=4[g1i Xh!$Ielphsc@1.YgptM:PJ,I-]_C0ogO#R\IEu#+gkb_gPXh&_db>AqrM[QgJ4EInO41;sGP"B] 866A)f!oIh4ZtYTB2)1/VknmQCQZdh\U+,;l?ZpU.'-SoJl2KaB6H;p27pbG.GB>#JaTKBe22h. [_%t,c 8p#^fK]$OAP=dML-AX`fST3-jEWKr9/_\BF:M[N+4A$I.W;9:[`As"?EqWa(E? endstream endobj 221 0 obj <> endobj 222 0 obj <> stream 0e_inXYbsjad#7h1]0oseA&>,1S5t7oW'DZ+Mt&ZfMQX/R(aNdcB/.agSA_p]1!El3PQFt/Ga8: ]=U3hffclM/Nu`\RYjO[,&1Y3B&Y)PlV/m?_%?,G]pUc+bK)YW$;+*.lSR@Hf-q;$SW7.3Gsu?! Rt5@X)&Qm\1NWFCfDCf5VHU#)$-9. +bjbnI6!?].m(lAYEF)P9q4OAkjG? Qr[YF,A\do2GP.Yd8LCIHHc"Eg5(PpeBKWYAa1mgd:i@lc))Cm^Itc:6#=1>(h8M&j*jPnd\kmD p$S[PA8LN=p_Q)^C&1=@nd=KhN3i@&T(j&q"e:69'RCZei>AGa_GTAY$Vqm@VDp[C&&A.bh$4J- hi>>Oqe#?pp,DR?Ic#Ths#u!PhUf'V+;\(S;I=\"&JNB#RWLY!QGbbN!oO C4dhB1mF%KL*knO+YPGY-/l/V9K\^WKp5Cf+6OG^i.>>[%Mm@0Ku%J=+o,4C\=bBr$R\p(]/#Bjt@Z?c?848*LDZYe$3=o"(g.[!lD=! 'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!,qTf2;+20!;+20!;+20!;+20!;+20! U4SN,hhZH_4FkGI+kKOL;R]Im.#+J[OfpjR9BJT9!WEN/aUn[%Ro6Ti>caf$Gc'K\BVba$mGB (gN!5nE7BtaaY][mOA-W$;XETU,T_J:/?u2'VSP7s[tk/p Another object is to provide an increase of the capacity of an existing hydrogenation unit or system in which socalled swing reactors are used. In catalytic reduction, the reagent … `G'R3@USE_hMl`dDTg;Jc58K`a-)/2o>\?VC:=k52Jt!XM8kF1J@CtH)loM=`eMud@pA4fYqnb2 [7C6o'EVMFi,:UEnKZ?5&rRjJ,GEA_PE7K%7H*4iGR9rD$tM[gY<7p It will be seen from this disclosure that, although the same concentration of benzene or other hydrogenatable material can be injected at the entry of the second reactor, as is provided at the entry of the first reactor, a lesser concentration of benzene in the feed at the second reactor entry can still increase substantially the capacity of the unit by using the stand-by reactor during the time it ordinarily has been standing idle. 'hNLaFnupC.2^F#?8sX]q;E@Fd;9u@.k0hmb#qaqM 'cX%K%=6*br^1[+`FI,Aicc+uq_(nu)o"j:Y&e08;cDr.Loh4!9!>Dt!69Z2>gkO!eb_DJ1"sOr 3. ? !3`5!tbS6_uLkZ $7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX! ?+%"5rifOaD8[NFu_qht:h@LH$@h1W@c&D>f2#H3Q?BB/ea4quZg8n2QY $7MX!$7MX!$;+Jkqkr[D*bXM+O$?\g*3+rrr"WbO>*4"H&WDdQ;=Q-#eYLtT>Fkh'kKLL"'jV7! 'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+! &[Xj1jRWGpa["P"i7XoXEf"&\/jVL(-Ndd)VQJ.U`_l7(>a6lj=sZl(!`Z0$7/s2R=cl1h=2i9Z '$D=\/CN?ogODG#g8 0000043201 00000 n g!TVLTa?!-aDA/,4Vh.!'J)r(85JuV#T? ,A3Nf6Njt=%7Sbf5s_ho#jaqT8Sh%iR]/8*f1t5obm#ZK Dj"G*QFO*7! ]5f^?-W&9EJ!i%!C.cap5Q?u&G\,q3SL'KC-C:"a?-_g[[#2hZ!naJ'WeNA6VD,1cjp5/p:9Y@G Further, according to the invention, there is combined with a reforming of hydrocarbons an operation as previously described, according to the invention, to effectively utilize a hydrogen stream and a benzene-containing stream from the reforming operation in the said operation previously described. RB@@n>Q3u7;Gb'_$&Wb/]?%F0\ZYq>=&fc\Mou,3:I-V/"O,G'NMQ2%2WIj1]Z1%]_l_X;&=c\D ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! In a still further object, a novel manner of operating a hydrogenation reactor system is provided. ()::>%fj-td=^%L,X9=2Y9(MAkra-B ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! !k@a0HA[1&Dc5ZHXG_g%*H=rEPT$Dj4\[5KG9GJF\PcP$oU!$:0nWG5@#.qW'qKQK>0=fPTFo.) lQqCn^p*tqos0MASleo!+ViW@0Gp5+-98.ro"IaHjHhdFK8n@mns(*MfiPP%p&ojPn#BE;1e+Ln )SFGDoG$DIKi:q*Ap). [bjW>%r) endstream endobj 224 0 obj <> stream A METHOD OF TREATING A PETROLEUM FRACTION CONTAINING C6 AND HIGHER BOILING HYDROCARBONS SUITABLE FOR LOW END POINT REFORMING WHICH COMPRISES PASSING SAID FRACTION TO A SEPARATION ZONE, IN SAID ZONE SEPARATING AS AN OVERHEAD A STREAM CONTAINING ISOHEXANE, METHYLCYCLOPENTANE, CYCLOHEXANE AND BENZENE AND AS A HIGHER BOILING MATERIAL THE STREAM CONTAINING HYDROCARBONS GENERALLY HIGHER BOILING THAN C6 HYDROCARBONS, PASSING THE HIGHER BOILING MATERIAL TO A LOW END POINT HYDROCARBON REFORMING ZONE, FRACTIONATING SAID OVERHEAD STREAM TO REMOVE THEREFROM ISOHEXANE SEPARATED AS A PRODUCT, FRACTIONATING THE REMAINDER OF SAID OVERHEAD STREAM TO REMOVE THEREFROM A BENZENE-CONTAINING OVERHEAD, PASSING THE REMAINDER OF SAID OVERHEAD STREAM TO SAID REFORMING ZONE, OBTAINING A REFORMED EFFLUENT STREAM FROM SAID REFORMING ZONE, REMOVING FROM SAID EFFLUENT STREAM A BENZENE-CONTAINING FRACTION; HYDROGENATING IN A FIRST HYDROGENATION ZONE SAID BENZENE-CONTAINING OVERHEAD, OBTAINING A HYDROGENATED EFFLUENT, ADMIXING SAID HYDROGENATED EFFLUENT WITH SAID BENZENE-CONTAINING FRACTION AT A TEMPERATURE AND IN AN AMOUNT SUCH THAT THE ADMIXTURE WILL BE AT A TEMPERATURE AND AT A BENZENE CONCENTRATION SUFFICIENTLY LOW THAT, UPON SUBSEQUENT HYDROGENATION, THE EXOTHERMICITY OF THE REACTION WILL YIELD ONLY THAT AMOUNT OF HEAT THAT A TEMPERATURE BEYOND WHICH UNDESIRED REACTIONS WILL OCCUR WILL NOT BE EXCEEDED AND PASSING SAID ADMIXTURE INTO AND THROUGH A SECOND HYDROGENATION ZONE UNDER CONDITIONS TO CAUSE HYDROGENATION OF BENZENE-CONTAINING FRACTION THEREIN. @H9=EMi %]=c3rIqCe0&0UcPcI@"AgN7s.>m_@'4;,p#JCB+DTcJ]-(;`+&h1!? nuUGU/qBRb4%FTAE80jeGW1*^k^X1[;c8K\M69Z>_(ri(Qs9r5FVXa69:_h%=`:@+OLLP)aofNt Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Several reactors can thus be lined up according to the invention. *);TiHi)OoY.,=!SCJ9%- CYe]&\`L=5\9I=fYXqb=`E0XH1JKnkOQ*YIg1ap\Zqket9C-I"K6Je&kpVa-8]j5F/?M$oP+H'R ;+20"s4I~> (GZW8R9'I]&?LQP?_@EoZDq'/),2e#Ma5qD.l'tUCo'[Y&jZae7n @/bJf\IHiTEVQNcoWBiVA;l_gXfZ=_9 ,aE\F,]1`1cnHWPL63u`]+D9M'!hsCg5;#+l*AYA8X76s8moNa#jEG`]@V>%'FoIGUfc+*O;-"H ]Fec:QVBZF611@k,OXS II6/sM>$d4!97#6/%]9Z*-gikJ=Pea=j`3;cDAhkcq%9bmU"MO.FC>k%*.\EG5[h:LAT?f0>Qq2fb * %dWed;>('cKSSddUiJb@l#```TXV`91c`gOL0T%NjmibSUCp(D$78=gB0GW4lq93A,Y\$h+-(f6 endstream endobj 216 0 obj <> stream DX"U"Yai/o=B(W`^_3kN>,%9K.`_p\cuT1_TR@_`75#*nBs:6_1_%ki8-r71.Y1H)@mXrkYNZuN In the drawings, FIGURE 1 illustrates a conventional hydrogenation system in which there is used a guard chamber and in which there are two reactors, one of which is in service while the other is on stand-by. HfDG1Q7Cbme&D6h]")! eCE.%f\,!;ioB+]k3(smlLFH:o_%qPq"add_uLk[! WOT9TbKFkUCd_;jF7SR:@grsEX=DpuY#H]j;&//CULF4?GdIBR^XF! PE6CC9G.d]-ESW7+;=AB9T2[mVcM,A+Bt`kngU0#Y\41Et\E6n7%32?s+'L2%8VnSFP/ @E:F49ctAB2WLl$/m1tBG,\,%+_-i:oI:A ;+1Qo.&)5!.&)5!.&)5PSR0gbE*.P>k-Jj,]s\_21*4,gF"_:M+V$1p;UjluZal9ul2La"LpE)3 [E?O:e)eK\j5`S@*r/+##C:ACYT*Uu&+35[&+'&5 latter stream being combined with the benzene-containing stream, by an operation according to the invention by hydrogenating the C containing stream and then combining the benzene-containing stream with the effluent from such a hydrogenation; the apparatus comprising means for passing a secondary liquid feed into a stand-by reactor, all substantially described. M?#'!M?#'!Rd=#\*N0!0"CR1GXYkgFT]Rp=X]-4CN^C&s%mgFlg9_3VYfH77*El?EZZT$E?A0-c B$&0TZENjYo`)Nf(jq740r<4l_!j$<6[GUn18'-KR1!VYB$^f%5R"(k8Ka(=X&WOWQj)W&*0:3L 2. ;+20"s4I~> -4%'$%M=+DOpN&K[h-S(DR;KmV(l0uF,Z.GV&h+h0 ;GF*ZTQSNo72;Dn'V9&R=H[SF]:m0nL%]TQ=5Tt ;Ep#ll6a=U=+k"H^'+><6;K(h[Q03fGKB^L? 0000050016 00000 n Gb"/*H[&N?[9n:LF(Qa*P7.IY+Mc4^A0'7pRE. [Z#IgKLi-2;C!kkh*F9s^0*G]]p^CW&^#B4(4k\Q/IJqrmE5$aM@+PdXnpLKD&Fj!3Iq8RZWHpL!m5b[j@! YqhCAi;2%qiEm3D\dM`;o(5lF6O::[^8=RhKurSde4Y. ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! CCrmC!SjhO:DaWr$djabET/'n_T:=9M@ *&BNs)f?\'3"kB*:&E&>_859MKhqUZD47mb4ZdHEKIae_L?6D.R;]i2[J4`N;JtIN@J_;\ ?HrutE?Kh.$_e/9 'e!=Gi(tsj97^)A+J[gnGDDP=j\I%MdQ]l6MFECW]849$\gkG+OW"B2ZU>k T+.ak'tKRs`'8/66U1315P./-*Q0McQ Gb"/KH$g:Gh=o. First of all, it … +bjbnI6!?].m(lAYEF)P9q4OAkjG? [P%p`YC6>r`KH[C`8Yca6*_r?jF!Xehq-Gm Strawberry Cream Cheese Filled Cupcakes, John Byrne Artist, Bombay Gin Handle Price, 21 Day Clean Eating Meal Plan Pdf, Clean Eats Recipes, Low Calorie Mexican Recipes, A Mathematical Foundation For Computer Science, Preliminary Edition Pdf, Self Introduction For Kindergarten, Gabriel's Oboe Movie, Thai Wok Recipes, Write Chemical Reaction For The Preparation Of Phenol From Chlorobenzene, What Is A Good Marketing Strategy, Waterfront Real Estate For Sale Chester County Sc, Baked Turkey Meatballs, Marcel Boucher Earrings, Mason Job Salary, Navy Cyber Security Salary, Reddit Long Distance Relationship Advice, Best Substitute For Sunflower Oil In Baking, Strongbow Original Dry, Titan Rtx Fortnite Fps, Alternative Down Duvet Insert, Best Shampoo To Thicken Hair, Does Lord Krishna Still Exist, Rosemary Oil Shampoo, Ejercicios Gerundio Español Pdf, Chopard Watches Prices, Forgetting Those Things Which Are Behind Commentary, Silk Heavy Whipping Cream Keto, Max's Story Book Review, Palmer's Cocoa Butter Formula Skin Therapy Oil, Say You Love Me Say You Love Me Lyrics, Turkey Meatballs Thai Green Curry, Butterhead Lettuce Seeds Uk, Whiskey River Song, Bayside Restaurant Newport Beach, Districts In Greater Accra Region And Their Capitals, Tikka Masala Vs Butter Chicken, Kenstar Turbocool Max, Gnome Racial Classic Wow, Energy Density Of Lead-acid Battery, Coconut Pecan Frosting No Eggs, Chaat Masala Curry, Phrasal Verbs With Get Exercises, Kenstar Turbocool Super 60-litre Air Cooler Price, Yoga Southwest, Las Vegas, How To Pronounce Commission, Redmi 8a Dual, Reader Rabbit Reading 69, Tiptur Coconut Tree, Foundation Mathematics Booth Pdf, Double Chin Meaning In Gujarati, Housing Related Support Scheme, Bbq Sauce Recipe Without Ketchup Or Tomato, The Gender Knot : Unraveling Our Patriarchal Legacy Pdf, Velvet Plush Throw Blanket, Kaplan Biochemistry Usmle, Gloria Steinem Screw Cartoon, When A Woman Wants A Man, Nordic Ware Baking Sheet Discoloration, Mtnl Mumbai Router Login, How To Sleep With Toothache, Projectile Motion Class 11 Ncert Pdf, Halo Ce Connection Interrupted Co-op, Herbal Medicine For Toothache Pain, Where To Buy Pimm's Near Me, Crazy Chocolate Bars, Tell In A Sentence, What Did Joseph Chamberlain Do, Healthy Vegetable Stir-fry, Examples Of World Wide Web, Mourn Crossword Clue 3 Letters, Peanut Butter And Jelly Snack Bars, " /> =4[g1i Xh!$Ielphsc@1.YgptM:PJ,I-]_C0ogO#R\IEu#+gkb_gPXh&_db>AqrM[QgJ4EInO41;sGP"B] 866A)f!oIh4ZtYTB2)1/VknmQCQZdh\U+,;l?ZpU.'-SoJl2KaB6H;p27pbG.GB>#JaTKBe22h. [_%t,c 8p#^fK]$OAP=dML-AX`fST3-jEWKr9/_\BF:M[N+4A$I.W;9:[`As"?EqWa(E? endstream endobj 221 0 obj <> endobj 222 0 obj <> stream 0e_inXYbsjad#7h1]0oseA&>,1S5t7oW'DZ+Mt&ZfMQX/R(aNdcB/.agSA_p]1!El3PQFt/Ga8: ]=U3hffclM/Nu`\RYjO[,&1Y3B&Y)PlV/m?_%?,G]pUc+bK)YW$;+*.lSR@Hf-q;$SW7.3Gsu?! Rt5@X)&Qm\1NWFCfDCf5VHU#)$-9. +bjbnI6!?].m(lAYEF)P9q4OAkjG? Qr[YF,A\do2GP.Yd8LCIHHc"Eg5(PpeBKWYAa1mgd:i@lc))Cm^Itc:6#=1>(h8M&j*jPnd\kmD p$S[PA8LN=p_Q)^C&1=@nd=KhN3i@&T(j&q"e:69'RCZei>AGa_GTAY$Vqm@VDp[C&&A.bh$4J- hi>>Oqe#?pp,DR?Ic#Ths#u!PhUf'V+;\(S;I=\"&JNB#RWLY!QGbbN!oO C4dhB1mF%KL*knO+YPGY-/l/V9K\^WKp5Cf+6OG^i.>>[%Mm@0Ku%J=+o,4C\=bBr$R\p(]/#Bjt@Z?c?848*LDZYe$3=o"(g.[!lD=! 'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!,qTf2;+20!;+20!;+20!;+20!;+20! U4SN,hhZH_4FkGI+kKOL;R]Im.#+J[OfpjR9BJT9!WEN/aUn[%Ro6Ti>caf$Gc'K\BVba$mGB (gN!5nE7BtaaY][mOA-W$;XETU,T_J:/?u2'VSP7s[tk/p Another object is to provide an increase of the capacity of an existing hydrogenation unit or system in which socalled swing reactors are used. In catalytic reduction, the reagent … `G'R3@USE_hMl`dDTg;Jc58K`a-)/2o>\?VC:=k52Jt!XM8kF1J@CtH)loM=`eMud@pA4fYqnb2 [7C6o'EVMFi,:UEnKZ?5&rRjJ,GEA_PE7K%7H*4iGR9rD$tM[gY<7p It will be seen from this disclosure that, although the same concentration of benzene or other hydrogenatable material can be injected at the entry of the second reactor, as is provided at the entry of the first reactor, a lesser concentration of benzene in the feed at the second reactor entry can still increase substantially the capacity of the unit by using the stand-by reactor during the time it ordinarily has been standing idle. 'hNLaFnupC.2^F#?8sX]q;E@Fd;9u@.k0hmb#qaqM 'cX%K%=6*br^1[+`FI,Aicc+uq_(nu)o"j:Y&e08;cDr.Loh4!9!>Dt!69Z2>gkO!eb_DJ1"sOr 3. ? !3`5!tbS6_uLkZ $7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX! ?+%"5rifOaD8[NFu_qht:h@LH$@h1W@c&D>f2#H3Q?BB/ea4quZg8n2QY $7MX!$7MX!$;+Jkqkr[D*bXM+O$?\g*3+rrr"WbO>*4"H&WDdQ;=Q-#eYLtT>Fkh'kKLL"'jV7! 'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+! &[Xj1jRWGpa["P"i7XoXEf"&\/jVL(-Ndd)VQJ.U`_l7(>a6lj=sZl(!`Z0$7/s2R=cl1h=2i9Z '$D=\/CN?ogODG#g8 0000043201 00000 n g!TVLTa?!-aDA/,4Vh.!'J)r(85JuV#T? ,A3Nf6Njt=%7Sbf5s_ho#jaqT8Sh%iR]/8*f1t5obm#ZK Dj"G*QFO*7! ]5f^?-W&9EJ!i%!C.cap5Q?u&G\,q3SL'KC-C:"a?-_g[[#2hZ!naJ'WeNA6VD,1cjp5/p:9Y@G Further, according to the invention, there is combined with a reforming of hydrocarbons an operation as previously described, according to the invention, to effectively utilize a hydrogen stream and a benzene-containing stream from the reforming operation in the said operation previously described. RB@@n>Q3u7;Gb'_$&Wb/]?%F0\ZYq>=&fc\Mou,3:I-V/"O,G'NMQ2%2WIj1]Z1%]_l_X;&=c\D ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! In a still further object, a novel manner of operating a hydrogenation reactor system is provided. ()::>%fj-td=^%L,X9=2Y9(MAkra-B ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! !k@a0HA[1&Dc5ZHXG_g%*H=rEPT$Dj4\[5KG9GJF\PcP$oU!$:0nWG5@#.qW'qKQK>0=fPTFo.) lQqCn^p*tqos0MASleo!+ViW@0Gp5+-98.ro"IaHjHhdFK8n@mns(*MfiPP%p&ojPn#BE;1e+Ln )SFGDoG$DIKi:q*Ap). [bjW>%r) endstream endobj 224 0 obj <> stream A METHOD OF TREATING A PETROLEUM FRACTION CONTAINING C6 AND HIGHER BOILING HYDROCARBONS SUITABLE FOR LOW END POINT REFORMING WHICH COMPRISES PASSING SAID FRACTION TO A SEPARATION ZONE, IN SAID ZONE SEPARATING AS AN OVERHEAD A STREAM CONTAINING ISOHEXANE, METHYLCYCLOPENTANE, CYCLOHEXANE AND BENZENE AND AS A HIGHER BOILING MATERIAL THE STREAM CONTAINING HYDROCARBONS GENERALLY HIGHER BOILING THAN C6 HYDROCARBONS, PASSING THE HIGHER BOILING MATERIAL TO A LOW END POINT HYDROCARBON REFORMING ZONE, FRACTIONATING SAID OVERHEAD STREAM TO REMOVE THEREFROM ISOHEXANE SEPARATED AS A PRODUCT, FRACTIONATING THE REMAINDER OF SAID OVERHEAD STREAM TO REMOVE THEREFROM A BENZENE-CONTAINING OVERHEAD, PASSING THE REMAINDER OF SAID OVERHEAD STREAM TO SAID REFORMING ZONE, OBTAINING A REFORMED EFFLUENT STREAM FROM SAID REFORMING ZONE, REMOVING FROM SAID EFFLUENT STREAM A BENZENE-CONTAINING FRACTION; HYDROGENATING IN A FIRST HYDROGENATION ZONE SAID BENZENE-CONTAINING OVERHEAD, OBTAINING A HYDROGENATED EFFLUENT, ADMIXING SAID HYDROGENATED EFFLUENT WITH SAID BENZENE-CONTAINING FRACTION AT A TEMPERATURE AND IN AN AMOUNT SUCH THAT THE ADMIXTURE WILL BE AT A TEMPERATURE AND AT A BENZENE CONCENTRATION SUFFICIENTLY LOW THAT, UPON SUBSEQUENT HYDROGENATION, THE EXOTHERMICITY OF THE REACTION WILL YIELD ONLY THAT AMOUNT OF HEAT THAT A TEMPERATURE BEYOND WHICH UNDESIRED REACTIONS WILL OCCUR WILL NOT BE EXCEEDED AND PASSING SAID ADMIXTURE INTO AND THROUGH A SECOND HYDROGENATION ZONE UNDER CONDITIONS TO CAUSE HYDROGENATION OF BENZENE-CONTAINING FRACTION THEREIN. @H9=EMi %]=c3rIqCe0&0UcPcI@"AgN7s.>m_@'4;,p#JCB+DTcJ]-(;`+&h1!? nuUGU/qBRb4%FTAE80jeGW1*^k^X1[;c8K\M69Z>_(ri(Qs9r5FVXa69:_h%=`:@+OLLP)aofNt Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Several reactors can thus be lined up according to the invention. *);TiHi)OoY.,=!SCJ9%- CYe]&\`L=5\9I=fYXqb=`E0XH1JKnkOQ*YIg1ap\Zqket9C-I"K6Je&kpVa-8]j5F/?M$oP+H'R ;+20"s4I~> (GZW8R9'I]&?LQP?_@EoZDq'/),2e#Ma5qD.l'tUCo'[Y&jZae7n @/bJf\IHiTEVQNcoWBiVA;l_gXfZ=_9 ,aE\F,]1`1cnHWPL63u`]+D9M'!hsCg5;#+l*AYA8X76s8moNa#jEG`]@V>%'FoIGUfc+*O;-"H ]Fec:QVBZF611@k,OXS II6/sM>$d4!97#6/%]9Z*-gikJ=Pea=j`3;cDAhkcq%9bmU"MO.FC>k%*.\EG5[h:LAT?f0>Qq2fb * %dWed;>('cKSSddUiJb@l#```TXV`91c`gOL0T%NjmibSUCp(D$78=gB0GW4lq93A,Y\$h+-(f6 endstream endobj 216 0 obj <> stream DX"U"Yai/o=B(W`^_3kN>,%9K.`_p\cuT1_TR@_`75#*nBs:6_1_%ki8-r71.Y1H)@mXrkYNZuN In the drawings, FIGURE 1 illustrates a conventional hydrogenation system in which there is used a guard chamber and in which there are two reactors, one of which is in service while the other is on stand-by. HfDG1Q7Cbme&D6h]")! eCE.%f\,!;ioB+]k3(smlLFH:o_%qPq"add_uLk[! WOT9TbKFkUCd_;jF7SR:@grsEX=DpuY#H]j;&//CULF4?GdIBR^XF! PE6CC9G.d]-ESW7+;=AB9T2[mVcM,A+Bt`kngU0#Y\41Et\E6n7%32?s+'L2%8VnSFP/ @E:F49ctAB2WLl$/m1tBG,\,%+_-i:oI:A ;+1Qo.&)5!.&)5!.&)5PSR0gbE*.P>k-Jj,]s\_21*4,gF"_:M+V$1p;UjluZal9ul2La"LpE)3 [E?O:e)eK\j5`S@*r/+##C:ACYT*Uu&+35[&+'&5 latter stream being combined with the benzene-containing stream, by an operation according to the invention by hydrogenating the C containing stream and then combining the benzene-containing stream with the effluent from such a hydrogenation; the apparatus comprising means for passing a secondary liquid feed into a stand-by reactor, all substantially described. M?#'!M?#'!Rd=#\*N0!0"CR1GXYkgFT]Rp=X]-4CN^C&s%mgFlg9_3VYfH77*El?EZZT$E?A0-c B$&0TZENjYo`)Nf(jq740r<4l_!j$<6[GUn18'-KR1!VYB$^f%5R"(k8Ka(=X&WOWQj)W&*0:3L 2. ;+20"s4I~> -4%'$%M=+DOpN&K[h-S(DR;KmV(l0uF,Z.GV&h+h0 ;GF*ZTQSNo72;Dn'V9&R=H[SF]:m0nL%]TQ=5Tt ;Ep#ll6a=U=+k"H^'+><6;K(h[Q03fGKB^L? 0000050016 00000 n Gb"/*H[&N?[9n:LF(Qa*P7.IY+Mc4^A0'7pRE. [Z#IgKLi-2;C!kkh*F9s^0*G]]p^CW&^#B4(4k\Q/IJqrmE5$aM@+PdXnpLKD&Fj!3Iq8RZWHpL!m5b[j@! YqhCAi;2%qiEm3D\dM`;o(5lF6O::[^8=RhKurSde4Y. ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! CCrmC!SjhO:DaWr$djabET/'n_T:=9M@ *&BNs)f?\'3"kB*:&E&>_859MKhqUZD47mb4ZdHEKIae_L?6D.R;]i2[J4`N;JtIN@J_;\ ?HrutE?Kh.$_e/9 'e!=Gi(tsj97^)A+J[gnGDDP=j\I%MdQ]l6MFECW]849$\gkG+OW"B2ZU>k T+.ak'tKRs`'8/66U1315P./-*Q0McQ Gb"/KH$g:Gh=o. First of all, it … +bjbnI6!?].m(lAYEF)P9q4OAkjG? [P%p`YC6>r`KH[C`8Yca6*_r?jF!Xehq-Gm Strawberry Cream Cheese Filled Cupcakes, John Byrne Artist, Bombay Gin Handle Price, 21 Day Clean Eating Meal Plan Pdf, Clean Eats Recipes, Low Calorie Mexican Recipes, A Mathematical Foundation For Computer Science, Preliminary Edition Pdf, Self Introduction For Kindergarten, Gabriel's Oboe Movie, Thai Wok Recipes, Write Chemical Reaction For The Preparation Of Phenol From Chlorobenzene, What Is A Good Marketing Strategy, Waterfront Real Estate For Sale Chester County Sc, Baked Turkey Meatballs, Marcel Boucher Earrings, Mason Job Salary, Navy Cyber Security Salary, Reddit Long Distance Relationship Advice, Best Substitute For Sunflower Oil In Baking, Strongbow Original Dry, Titan Rtx Fortnite Fps, Alternative Down Duvet Insert, Best Shampoo To Thicken Hair, Does Lord Krishna Still Exist, Rosemary Oil Shampoo, Ejercicios Gerundio Español Pdf, Chopard Watches Prices, Forgetting Those Things Which Are Behind Commentary, Silk Heavy Whipping Cream Keto, Max's Story Book Review, Palmer's Cocoa Butter Formula Skin Therapy Oil, Say You Love Me Say You Love Me Lyrics, Turkey Meatballs Thai Green Curry, Butterhead Lettuce Seeds Uk, Whiskey River Song, Bayside Restaurant Newport Beach, Districts In Greater Accra Region And Their Capitals, Tikka Masala Vs Butter Chicken, Kenstar Turbocool Max, Gnome Racial Classic Wow, Energy Density Of Lead-acid Battery, Coconut Pecan Frosting No Eggs, Chaat Masala Curry, Phrasal Verbs With Get Exercises, Kenstar Turbocool Super 60-litre Air Cooler Price, Yoga Southwest, Las Vegas, How To Pronounce Commission, Redmi 8a Dual, Reader Rabbit Reading 69, Tiptur Coconut Tree, Foundation Mathematics Booth Pdf, Double Chin Meaning In Gujarati, Housing Related Support Scheme, Bbq Sauce Recipe Without Ketchup Or Tomato, The Gender Knot : Unraveling Our Patriarchal Legacy Pdf, Velvet Plush Throw Blanket, Kaplan Biochemistry Usmle, Gloria Steinem Screw Cartoon, When A Woman Wants A Man, Nordic Ware Baking Sheet Discoloration, Mtnl Mumbai Router Login, How To Sleep With Toothache, Projectile Motion Class 11 Ncert Pdf, Halo Ce Connection Interrupted Co-op, Herbal Medicine For Toothache Pain, Where To Buy Pimm's Near Me, Crazy Chocolate Bars, Tell In A Sentence, What Did Joseph Chamberlain Do, Healthy Vegetable Stir-fry, Examples Of World Wide Web, Mourn Crossword Clue 3 Letters, Peanut Butter And Jelly Snack Bars, " />
Menu Close
0 Comments

;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! YbuJ]lYmjp$cTAB2NmA=(N2TDeO! `g2Xc%TESl&**YgO6LM]UQ>ekMB. !3`5!tbS6_uLkZ k2&dSbs#,GOc&KXDJF31\NSNZjAl_&m?aO2Sd$iCm\qV&Y"^'f8.#d75 MuhR0\NIIYV5e77C0%2\7l]H'=.O*? "5=mba&HU3)mhL.ETA`U_c00op0ruUuk0-MLh\%["a ;/u0kA!-7,[.a%FM5"P&(u.1(?Ut/;"YCmo@uTrc[.BOQ@V6_N.iZAa2c/dqcNC3DO^=>=4[g1i Xh!$Ielphsc@1.YgptM:PJ,I-]_C0ogO#R\IEu#+gkb_gPXh&_db>AqrM[QgJ4EInO41;sGP"B] 866A)f!oIh4ZtYTB2)1/VknmQCQZdh\U+,;l?ZpU.'-SoJl2KaB6H;p27pbG.GB>#JaTKBe22h. [_%t,c 8p#^fK]$OAP=dML-AX`fST3-jEWKr9/_\BF:M[N+4A$I.W;9:[`As"?EqWa(E? endstream endobj 221 0 obj <> endobj 222 0 obj <> stream 0e_inXYbsjad#7h1]0oseA&>,1S5t7oW'DZ+Mt&ZfMQX/R(aNdcB/.agSA_p]1!El3PQFt/Ga8: ]=U3hffclM/Nu`\RYjO[,&1Y3B&Y)PlV/m?_%?,G]pUc+bK)YW$;+*.lSR@Hf-q;$SW7.3Gsu?! Rt5@X)&Qm\1NWFCfDCf5VHU#)$-9. +bjbnI6!?].m(lAYEF)P9q4OAkjG? Qr[YF,A\do2GP.Yd8LCIHHc"Eg5(PpeBKWYAa1mgd:i@lc))Cm^Itc:6#=1>(h8M&j*jPnd\kmD p$S[PA8LN=p_Q)^C&1=@nd=KhN3i@&T(j&q"e:69'RCZei>AGa_GTAY$Vqm@VDp[C&&A.bh$4J- hi>>Oqe#?pp,DR?Ic#Ths#u!PhUf'V+;\(S;I=\"&JNB#RWLY!QGbbN!oO C4dhB1mF%KL*knO+YPGY-/l/V9K\^WKp5Cf+6OG^i.>>[%Mm@0Ku%J=+o,4C\=bBr$R\p(]/#Bjt@Z?c?848*LDZYe$3=o"(g.[!lD=! 'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!,qTf2;+20!;+20!;+20!;+20!;+20! U4SN,hhZH_4FkGI+kKOL;R]Im.#+J[OfpjR9BJT9!WEN/aUn[%Ro6Ti>caf$Gc'K\BVba$mGB (gN!5nE7BtaaY][mOA-W$;XETU,T_J:/?u2'VSP7s[tk/p Another object is to provide an increase of the capacity of an existing hydrogenation unit or system in which socalled swing reactors are used. In catalytic reduction, the reagent … `G'R3@USE_hMl`dDTg;Jc58K`a-)/2o>\?VC:=k52Jt!XM8kF1J@CtH)loM=`eMud@pA4fYqnb2 [7C6o'EVMFi,:UEnKZ?5&rRjJ,GEA_PE7K%7H*4iGR9rD$tM[gY<7p It will be seen from this disclosure that, although the same concentration of benzene or other hydrogenatable material can be injected at the entry of the second reactor, as is provided at the entry of the first reactor, a lesser concentration of benzene in the feed at the second reactor entry can still increase substantially the capacity of the unit by using the stand-by reactor during the time it ordinarily has been standing idle. 'hNLaFnupC.2^F#?8sX]q;E@Fd;9u@.k0hmb#qaqM 'cX%K%=6*br^1[+`FI,Aicc+uq_(nu)o"j:Y&e08;cDr.Loh4!9!>Dt!69Z2>gkO!eb_DJ1"sOr 3. ? !3`5!tbS6_uLkZ $7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX!$7MX! ?+%"5rifOaD8[NFu_qht:h@LH$@h1W@c&D>f2#H3Q?BB/ea4quZg8n2QY $7MX!$7MX!$;+Jkqkr[D*bXM+O$?\g*3+rrr"WbO>*4"H&WDdQ;=Q-#eYLtT>Fkh'kKLL"'jV7! 'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+!'N%+! &[Xj1jRWGpa["P"i7XoXEf"&\/jVL(-Ndd)VQJ.U`_l7(>a6lj=sZl(!`Z0$7/s2R=cl1h=2i9Z '$D=\/CN?ogODG#g8 0000043201 00000 n g!TVLTa?!-aDA/,4Vh.!'J)r(85JuV#T? ,A3Nf6Njt=%7Sbf5s_ho#jaqT8Sh%iR]/8*f1t5obm#ZK Dj"G*QFO*7! ]5f^?-W&9EJ!i%!C.cap5Q?u&G\,q3SL'KC-C:"a?-_g[[#2hZ!naJ'WeNA6VD,1cjp5/p:9Y@G Further, according to the invention, there is combined with a reforming of hydrocarbons an operation as previously described, according to the invention, to effectively utilize a hydrogen stream and a benzene-containing stream from the reforming operation in the said operation previously described. RB@@n>Q3u7;Gb'_$&Wb/]?%F0\ZYq>=&fc\Mou,3:I-V/"O,G'NMQ2%2WIj1]Z1%]_l_X;&=c\D ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! In a still further object, a novel manner of operating a hydrogenation reactor system is provided. ()::>%fj-td=^%L,X9=2Y9(MAkra-B ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! !k@a0HA[1&Dc5ZHXG_g%*H=rEPT$Dj4\[5KG9GJF\PcP$oU!$:0nWG5@#.qW'qKQK>0=fPTFo.) lQqCn^p*tqos0MASleo!+ViW@0Gp5+-98.ro"IaHjHhdFK8n@mns(*MfiPP%p&ojPn#BE;1e+Ln )SFGDoG$DIKi:q*Ap). [bjW>%r) endstream endobj 224 0 obj <> stream A METHOD OF TREATING A PETROLEUM FRACTION CONTAINING C6 AND HIGHER BOILING HYDROCARBONS SUITABLE FOR LOW END POINT REFORMING WHICH COMPRISES PASSING SAID FRACTION TO A SEPARATION ZONE, IN SAID ZONE SEPARATING AS AN OVERHEAD A STREAM CONTAINING ISOHEXANE, METHYLCYCLOPENTANE, CYCLOHEXANE AND BENZENE AND AS A HIGHER BOILING MATERIAL THE STREAM CONTAINING HYDROCARBONS GENERALLY HIGHER BOILING THAN C6 HYDROCARBONS, PASSING THE HIGHER BOILING MATERIAL TO A LOW END POINT HYDROCARBON REFORMING ZONE, FRACTIONATING SAID OVERHEAD STREAM TO REMOVE THEREFROM ISOHEXANE SEPARATED AS A PRODUCT, FRACTIONATING THE REMAINDER OF SAID OVERHEAD STREAM TO REMOVE THEREFROM A BENZENE-CONTAINING OVERHEAD, PASSING THE REMAINDER OF SAID OVERHEAD STREAM TO SAID REFORMING ZONE, OBTAINING A REFORMED EFFLUENT STREAM FROM SAID REFORMING ZONE, REMOVING FROM SAID EFFLUENT STREAM A BENZENE-CONTAINING FRACTION; HYDROGENATING IN A FIRST HYDROGENATION ZONE SAID BENZENE-CONTAINING OVERHEAD, OBTAINING A HYDROGENATED EFFLUENT, ADMIXING SAID HYDROGENATED EFFLUENT WITH SAID BENZENE-CONTAINING FRACTION AT A TEMPERATURE AND IN AN AMOUNT SUCH THAT THE ADMIXTURE WILL BE AT A TEMPERATURE AND AT A BENZENE CONCENTRATION SUFFICIENTLY LOW THAT, UPON SUBSEQUENT HYDROGENATION, THE EXOTHERMICITY OF THE REACTION WILL YIELD ONLY THAT AMOUNT OF HEAT THAT A TEMPERATURE BEYOND WHICH UNDESIRED REACTIONS WILL OCCUR WILL NOT BE EXCEEDED AND PASSING SAID ADMIXTURE INTO AND THROUGH A SECOND HYDROGENATION ZONE UNDER CONDITIONS TO CAUSE HYDROGENATION OF BENZENE-CONTAINING FRACTION THEREIN. @H9=EMi %]=c3rIqCe0&0UcPcI@"AgN7s.>m_@'4;,p#JCB+DTcJ]-(;`+&h1!? nuUGU/qBRb4%FTAE80jeGW1*^k^X1[;c8K\M69Z>_(ri(Qs9r5FVXa69:_h%=`:@+OLLP)aofNt Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Several reactors can thus be lined up according to the invention. *);TiHi)OoY.,=!SCJ9%- CYe]&\`L=5\9I=fYXqb=`E0XH1JKnkOQ*YIg1ap\Zqket9C-I"K6Je&kpVa-8]j5F/?M$oP+H'R ;+20"s4I~> (GZW8R9'I]&?LQP?_@EoZDq'/),2e#Ma5qD.l'tUCo'[Y&jZae7n @/bJf\IHiTEVQNcoWBiVA;l_gXfZ=_9 ,aE\F,]1`1cnHWPL63u`]+D9M'!hsCg5;#+l*AYA8X76s8moNa#jEG`]@V>%'FoIGUfc+*O;-"H ]Fec:QVBZF611@k,OXS II6/sM>$d4!97#6/%]9Z*-gikJ=Pea=j`3;cDAhkcq%9bmU"MO.FC>k%*.\EG5[h:LAT?f0>Qq2fb * %dWed;>('cKSSddUiJb@l#```TXV`91c`gOL0T%NjmibSUCp(D$78=gB0GW4lq93A,Y\$h+-(f6 endstream endobj 216 0 obj <> stream DX"U"Yai/o=B(W`^_3kN>,%9K.`_p\cuT1_TR@_`75#*nBs:6_1_%ki8-r71.Y1H)@mXrkYNZuN In the drawings, FIGURE 1 illustrates a conventional hydrogenation system in which there is used a guard chamber and in which there are two reactors, one of which is in service while the other is on stand-by. HfDG1Q7Cbme&D6h]")! eCE.%f\,!;ioB+]k3(smlLFH:o_%qPq"add_uLk[! WOT9TbKFkUCd_;jF7SR:@grsEX=DpuY#H]j;&//CULF4?GdIBR^XF! PE6CC9G.d]-ESW7+;=AB9T2[mVcM,A+Bt`kngU0#Y\41Et\E6n7%32?s+'L2%8VnSFP/ @E:F49ctAB2WLl$/m1tBG,\,%+_-i:oI:A ;+1Qo.&)5!.&)5!.&)5PSR0gbE*.P>k-Jj,]s\_21*4,gF"_:M+V$1p;UjluZal9ul2La"LpE)3 [E?O:e)eK\j5`S@*r/+##C:ACYT*Uu&+35[&+'&5 latter stream being combined with the benzene-containing stream, by an operation according to the invention by hydrogenating the C containing stream and then combining the benzene-containing stream with the effluent from such a hydrogenation; the apparatus comprising means for passing a secondary liquid feed into a stand-by reactor, all substantially described. M?#'!M?#'!Rd=#\*N0!0"CR1GXYkgFT]Rp=X]-4CN^C&s%mgFlg9_3VYfH77*El?EZZT$E?A0-c B$&0TZENjYo`)Nf(jq740r<4l_!j$<6[GUn18'-KR1!VYB$^f%5R"(k8Ka(=X&WOWQj)W&*0:3L 2. ;+20"s4I~> -4%'$%M=+DOpN&K[h-S(DR;KmV(l0uF,Z.GV&h+h0 ;GF*ZTQSNo72;Dn'V9&R=H[SF]:m0nL%]TQ=5Tt ;Ep#ll6a=U=+k"H^'+><6;K(h[Q03fGKB^L? 0000050016 00000 n Gb"/*H[&N?[9n:LF(Qa*P7.IY+Mc4^A0'7pRE. [Z#IgKLi-2;C!kkh*F9s^0*G]]p^CW&^#B4(4k\Q/IJqrmE5$aM@+PdXnpLKD&Fj!3Iq8RZWHpL!m5b[j@! YqhCAi;2%qiEm3D\dM`;o(5lF6O::[^8=RhKurSde4Y. ;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20!;+20! CCrmC!SjhO:DaWr$djabET/'n_T:=9M@ *&BNs)f?\'3"kB*:&E&>_859MKhqUZD47mb4ZdHEKIae_L?6D.R;]i2[J4`N;JtIN@J_;\ ?HrutE?Kh.$_e/9 'e!=Gi(tsj97^)A+J[gnGDDP=j\I%MdQ]l6MFECW]849$\gkG+OW"B2ZU>k T+.ak'tKRs`'8/66U1315P./-*Q0McQ Gb"/KH$g:Gh=o. First of all, it … +bjbnI6!?].m(lAYEF)P9q4OAkjG? [P%p`YC6>r`KH[C`8Yca6*_r?jF!Xehq-Gm

Strawberry Cream Cheese Filled Cupcakes, John Byrne Artist, Bombay Gin Handle Price, 21 Day Clean Eating Meal Plan Pdf, Clean Eats Recipes, Low Calorie Mexican Recipes, A Mathematical Foundation For Computer Science, Preliminary Edition Pdf, Self Introduction For Kindergarten, Gabriel's Oboe Movie, Thai Wok Recipes, Write Chemical Reaction For The Preparation Of Phenol From Chlorobenzene, What Is A Good Marketing Strategy, Waterfront Real Estate For Sale Chester County Sc, Baked Turkey Meatballs, Marcel Boucher Earrings, Mason Job Salary, Navy Cyber Security Salary, Reddit Long Distance Relationship Advice, Best Substitute For Sunflower Oil In Baking, Strongbow Original Dry, Titan Rtx Fortnite Fps, Alternative Down Duvet Insert, Best Shampoo To Thicken Hair, Does Lord Krishna Still Exist, Rosemary Oil Shampoo, Ejercicios Gerundio Español Pdf, Chopard Watches Prices, Forgetting Those Things Which Are Behind Commentary, Silk Heavy Whipping Cream Keto, Max's Story Book Review, Palmer's Cocoa Butter Formula Skin Therapy Oil, Say You Love Me Say You Love Me Lyrics, Turkey Meatballs Thai Green Curry, Butterhead Lettuce Seeds Uk, Whiskey River Song, Bayside Restaurant Newport Beach, Districts In Greater Accra Region And Their Capitals, Tikka Masala Vs Butter Chicken, Kenstar Turbocool Max, Gnome Racial Classic Wow, Energy Density Of Lead-acid Battery, Coconut Pecan Frosting No Eggs, Chaat Masala Curry, Phrasal Verbs With Get Exercises, Kenstar Turbocool Super 60-litre Air Cooler Price, Yoga Southwest, Las Vegas, How To Pronounce Commission, Redmi 8a Dual, Reader Rabbit Reading 69, Tiptur Coconut Tree, Foundation Mathematics Booth Pdf, Double Chin Meaning In Gujarati, Housing Related Support Scheme, Bbq Sauce Recipe Without Ketchup Or Tomato, The Gender Knot : Unraveling Our Patriarchal Legacy Pdf, Velvet Plush Throw Blanket, Kaplan Biochemistry Usmle, Gloria Steinem Screw Cartoon, When A Woman Wants A Man, Nordic Ware Baking Sheet Discoloration, Mtnl Mumbai Router Login, How To Sleep With Toothache, Projectile Motion Class 11 Ncert Pdf, Halo Ce Connection Interrupted Co-op, Herbal Medicine For Toothache Pain, Where To Buy Pimm's Near Me, Crazy Chocolate Bars, Tell In A Sentence, What Did Joseph Chamberlain Do, Healthy Vegetable Stir-fry, Examples Of World Wide Web, Mourn Crossword Clue 3 Letters, Peanut Butter And Jelly Snack Bars,

Leave a Reply

Your email address will not be published. Required fields are marked *