CS217430B1

CS217430B1 - Process for obtaining aromatic hydrocarbons

Info

Publication number: CS217430B1
Application number: CS791671A
Authority: CS
Inventors: Klaus Anders; Hans-Gunther Vieweg; Siegfried Nowak; Hans-Dieter Neubauer; Karl Becker; Wolfgang Koegler; Hermann Franke; Wilhelm Thomas; Reinhard Gramm; Jurgen Klempin; Heinz Limmer
Original assignee: Klaus Anders; Vieweg Hans Gunther; Siegfried Nowak; Neubauer Hans Dieter; Karl Becker; Wolfgang Koegler; Hermann Franke; Wilhelm Thomas; Reinhard Gramm; Jurgen Klempin; Heinz Limmer
Priority date: 1978-03-21
Filing date: 1979-03-12
Publication date: 1983-01-28
Also published as: BG43075A1; DD142271A3

Abstract

Vynález se týká způsobu získávání aromatických uhlovodíků heterogenní katalytickou přeměnou uhlovodíků v rozsahu teploty varu benzinů v přítomnosti vodíku nebo plynů s vysokým obsahem vodíku za zvýšené teploty v rozmezí tlaku od normálního do nízkého. Cílem vynálezu je zvýšení stupně selektivní přeměny uhlovodíků jednoduchým a teghnicky reálným způsobem použitím mnohosložkového katalyzátoru nového typu ; zejména přeměny Cg uhlovodíků na aromatické uhlovodíky - přednostně benzen,při současném snížení vylučování uhlíku a dobré dlouhodobé aktivitě katalyzátoru. Toto je v souladu s vynálezem možné proto že výchozí látky se podrobují reakci nad katalyzátory sestávajícími z gama-kysličníku hlinitého nebo přednostně eta-kysličníku hlinitého jako nosiče a kysličníků kovů VI podskupiny,kovů a/nebo jejich sloučenin VIII podskupiny periodické tabulky prvků,kysličníků alkalických kovů nebo kovů alkalických zemin a je-li to třeba chloru jako katalyticky aktivní látky,při teplotách reakce od 450 do 570 °C, při zatížení od 0,3 ho 5,0 g výchozí látky/g katalyzátoru.hodinu, při molárním poměru vodíku k výchozí látce od 1:1 do 10:1 a při hodnotách tlaku od 0,1 do 2,0 MPa.The invention relates to a method for obtaining aromatic hydrocarbons by heterogeneous catalytic conversion of hydrocarbons in the range of the boiling point of gasolines in the presence of hydrogen or gases with a high hydrogen content at elevated temperatures in the pressure range from normal to low. The aim of the invention is to increase the degree of selective conversion of hydrocarbons in a simple and technically feasible manner by using a multicomponent catalyst of a new type; in particular, the conversion of Cg hydrocarbons to aromatic hydrocarbons - preferably benzene, while simultaneously reducing carbon emissions and maintaining good long-term activity of the catalyst. This is possible in accordance with the invention because the starting materials are reacted over catalysts consisting of gamma-aluminum oxide or preferably eta-aluminum oxide as a support and metal oxides of subgroup VI, metals and/or their compounds of subgroup VIII of the periodic table of elements, alkali metal oxides or alkaline earth metals and, if necessary, chlorine as catalytically active substance, at reaction temperatures of from 450 to 570 °C, at a loading of from 0.3 to 5.0 g starting material/g catalyst.hour, at a molar ratio of hydrogen to starting material of from 1:1 to 10:1 and at pressure values of from 0.1 to 2.0 MPa.

Description

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OcHOBHoe npeíE.iymecTBo ncnojiL3OBaHHB: KaTajmsaTopoB cocTanab cooTBeTCTBHH c n3odpeTenneM jyifl nojiyneimH apowaTinecKBXyrjieBojzopojioB coctout b that BCE as BTO-b epsamnecn κθέβ-JIB3aT0pe ΚΟΜΠΟΗβΗΤΗ θφφβΚΤΗΒΗΗΜ 0dpa30M OKa3HSaiOT BJEBUBje K3odpa3OBaHBe yrjieBOjiopojioB. TaK, Hanpnwep, peaKinm .nerado-ipiKjiB3aiBra H-napaoanHOB npoTeKaioT npejmonTiiTejiLHo na ^ oiujcbdxpowa, and peaKiBn-i jiernjipiipoBaHnH Η3φτβΗ0Β - πρθ # ποπτητβ; ΐ £ ΗθΗ3Λ dJiaropO ^ HHMB MeTaJUiaMH. &Amp; iarO £ £ npBCyTCTBHX AP) COejSUieHUiisjíeweHTOB Π nojupyniiH nepuojpnecKofí οβοτθμη sjíeweHTOB αφφθκ-tíibho CHiisaeTCH nacTýnawh c noTepeíí βκτεβηοοτη Tei-meinpiHdJiaropo # HHX weTajuiOB κ peKpncTajunr3annn, KOTcpan TpedyeT NAC-Toro npoBejíeiniH Mep no peaKTBBaiw οεότθμη. JUN-cTadiumaacnncoejn iHeHiiS 3JieweHT0B 71 amino ^ ^ rpyzniH ílepno nnecKoií cncTeuH ojie- μθιιτοβ, npei £ iyiíiecTBemjo οκηοη xpor.ia, cnynniT c npyron CTCP-IIu, nodaBica oiciicefi mejionHHX iijih with mejionno3eMeaBHHX μθτ2λ.; Ϊοβ h, TaiuíM oópa3OM, KaTaJiHTireecKaH Ó ο ο u u u u u u u u u u u u u u u u u u u u u u u BO BO BO BO BO BO BO BO BO BO BO BO op op op op op op ípyToe npeic.iymecTBO ncnojiB30Banna nonodiioro pona KaTami3a <-TOPOB OÓOCHOBaHO T6M, ΗΤΟ pereHepaiW C neJIBÍO ΒΗΧΗΓ3ΗΙΙΗ G03-nnsimixcn OTJioseimíi, conepsannix yraepon, κοτορηβ βη3ηβ3ϊοτ ymennmeHue aKTiiBHocTH icaTajnreaTopa biuiotb ro ero ne3aKTHBainiB WOS HO npOBOAUTL npn ΠΟΜΟΙΙίΗ ΓΘ30Β, COnepaaHHíX KBCJIOPOJT, npn ΤΊ3Μ —NepaTypax £ 0 550 - 600 ° C. Tanani ηθπρηβηηηο βηοοκβη Tewnepa-Typnas narpy3Ka jyra on melting τοροΒ, conepsaupix dnaroponirae .in-Tana, not npnBO £ ZT κ cHHKeHiw aKTHBHOCTB, ίτο cnenyeT othgcthna CNET cTadnmi3iipyiomero bjbihhkh okhcjiob MeTannoB 71 ποητρνππΗnepnomriecKon οιιοτθμη sneweHTOB.

PI3 προΒθΛθΗΒΗ pereHepaura npn TersnepaTypax 0 ot 550 ° CKas well 6C0 npeawyinecTBO BHTenaeT tans donee BncoKan ckopoctb BBTO-virgin :, cnencTBneM aero-ηβληθτοη coKpaiqemie.nepnona perenepa mlz h TAI odpa3OM, odecnewBaeTca donee 3 $ oeKTHBHaa BCB-MOSHOCTB HCn0JIB30BaHHH KaTanH3aT0pa jyia ΗΗΤβΗΟΒΒΗΟΓΟ · ITOGEpaernia yrneBonoponoB. IIocKOJiBKy c npnweHeinieM npennoseHHnx naTannsaTopoB npn NAA-BaHHHX ycnoBJTHx peawra nocTnraiOTCH Bticoiíiie bhxojxh apoMaiH-necKHX yrneBonoponoB, οτηθοθηηηθ Ha ncxonmie yrneBonoponnueBeqecTBa, NPN onHOBpeMeHHoĚ bhcokoS KOHiieHTpaixnu apoMaTmec-KBX yrJIGBOAOpOflOB B SHnKOM UpOJiyKTp II BUCOKOB ΚΟΗΒζθΗΤρΒΙίΒΗBonopona b peaKimoHHOM ra3e, Μθτοη, cooTBeTCTBywrfi H3odpere-Hino odnanaeT Tanse hbhhm θκοηομπήθοκξμ npemiymecTBOM. Tax, nepepadoTsa siinnoro nponyxTa bhcokhm conepsanneM Apor C / ain-necKnx yrneBonoponoB no hhcthx apoManreecKux yrnesonoponcčCBH33Ha c OTHocHTejiBHo ηιζήκεμκ 3aTpaTaMn b it Bpewa Pean ibiokhhů-RA3 c bhcokbm conepsanzeM Bonopona McaeT DSTB BHron-ho ncnoj] B3OBaH b nponecce mnpopačnHaiwr npn nepepadoTse Hecprn

Πρπ.ΜθΡΗ HCIIOJIHeHHH ΠρπΜθρ I:

KaTajnrsaTop, nMewiS cjie ^ yBiiíuS cocTaB (b bscoblix%): 85.2 3Ta and 12 ° 3 10 Cr203 3! <2o 0.5 Pt 0.5 Pd 0.8 XJIOp 1 HarpesaiOT B ΠΡΟΛΟ, ΟΘΗΗΗ 2 HaCOB £ 0 550 ° CB yCJIOBHHX npOXOJTH-mero noToica B03, iiyxa π ocTaBJLmoT eqe b Teneni-ie 3 nacoB πρίϊ3to2 TewnepaType b ποτοκθ B03, nyxa. SaTem npoz3BO £ HT oxna ^ e-mre # 0 TewnepaType ηηηθ 100 ° C, peaKimoHHyio CHCTSMy npoMHBaiOTHHCTHM 330T0M £ 0 OTCyTCTBHH KHOJIOPO ^ and £ 0 550 ° C b Tenenne nepnoaa, paBHoro 3 -3 nacaM, π octsb-JLHH3T B ΠΟΤΟΚΘ ΒΟβΟρΟβθ ΠρΠ 3T0fi ΤΘΜΠθρβΤγρθ θίξθ Ha 3 Π303,

Ilocjie TaKoíí πρθΑΒδρπτθζ & Ηοβ odpadoTKH KaTanii3aTop ncnojiiay-stch jyiH npeBpameHHH ττπθΒΟ, κορο, ΐίΟΒ h Julho Stor npoBojnmaci, peawH npn cjiejiywrx ycJiOBZHX ontiTa b jiadopaTopHow peaKTopeC ΗΘΠΟΛΒΙΠΚΗΗΜ Κ3Τ3 ^ ΙΗ33Τ0ρ0Μ;

KojnnecTBO KaTa ^ n3aTopa: 52.7 r

TewnepaPeaKno Type: 550 ° C and 2 ° C

Haipy3Ka:

(r ποχοπηογο npojtyKTa / r KaTaosaTopa T x nac.) 0.5 nac ”· 1

Ho ^ ana Bo ^ opona: 1000 ji H ^ / ji ncxon- ηογο npo, nyKTa x na o.

HopMaJiBiioe AaBJíeHne to npeBpameHHH saji κ3Τ3ΛΗ33τοροΜ ποποπβ3οβ3πποβ cjieKyioiiíneHCXOUHLie npO ^ yKTH (BCe flaHHHQ b bqcobhx%.) - 9 -

HasBamie ncxo, n- H-rencaHηογο npojiyxTa ΒθΗ3Β0Β3Ηrapainw I ΒδΗ3ΠΗ0Β3Π Eensr oppaKUHH 2 cpani H30-neHTaHLI «Μ 0,5 0,9 0,3 H-neiiTaH - 2,5 4,6 0,7 2,2 ~ ®ffivie THJidyTaH - 0,1 0,2 - 2-MeTHHHHTHH 0,2 10,9 19,8 13,9 S-MeTHJineHTaH 0,4 10,0 16,6 22,6 H-reKcan 9S, 9 65,4 36,6 56,5 2,2-AHMe THjmeHTaH - 0,3 0,4 0,4 Me THJHiEicioneHTaH 0,1 5,1 10,4 4,9 2-MeTHHreKcaH - - 0,3 UimjioreKcaH + 3-MeTHJireKcaH 0,4 3 , 2 6,5 0,4 BeHcOJi - 2,0 4,0 - Πρπ npeBpacíeiraz yKa3aHHHX hcxoj ^ hx npojiyKTOB πρπ 3anaHHuxycjioBirax onuTa nocTHraeTcn cnenywrS coctsb nponyxTOB OCOdO, QT-HsceHK on ixxc £ HH & προπγκτ):

Haasanne hcxoh- wp Εθη3πηοβ3.η Βθηβηηοβθη Βθη3ιπγοβ · 3Ηηογο npo £ yKia ppaxiw I papaKWiH 2 $ pawiH 2

BhXC3 npO ^ yiíTOBpeawix Πππκππ npoíyKT 88.6 88.5 89.3 89.1 PeakuHOHHHH ra3 10.6 10.5 9.2 9.8 yrnepoji; 0,8 1,0 1,5 1,1 Eensoji 61,4 43,9 33,4 '33,7 CojepsaHxe densona B npOiyXTS 69,3 49,6 37,4 37,8 Peak 3 oBa hhe b 03 cp she 6.6 5.2 4.2 4.7

Bos peaixousHHH:., And TaKHfe of drapery acOpasH dumpBasmnecH yrneBonoponnB ΠΠΟΠδΰΟδ peaKqZH FIGHTCpOJT. - ΙΟ - npiiMep 2:

KaTajEi3aTop, m.iewij cjieuywréí coctsb (b βθοοβηχ 91,7 5,0 1,5 0,5 0,5 0,8 3Ta-Al203

Pt

Pd XJIOp cepe # KOHTaKTnpoBaHiíeM c yrueBOuopouawn npeuBapHTeuBHo ocipl · -ÓaTHBaiOT K3K onncaHo b πρΗΜβρβ I.

IipeBpameHiíe yrjieBouopouoB npoH3BouHTCH b JiaóopaiopHOM pea.xTopec Heno £ BH £ HHM KaTajm3aTopoM npH ycjioBXHx omiTa,

KojnraecTBo KaTa ^ H3aTopa: 48.6 r

TewnepaTypa peaxnnn; 550 ° G 2 ° C

Harpy3Ka (r ncxounoro npojiyKTa / r xa- t

TajiusaTopa x nac.) Nouana Bouopoua: 0.5 nac 1000 her Ho / ji noxou-ηογο npox / KTa x hsi

HopivajiBHoe uaBJíeHne PícnOJIL3yeMHe BOXOUHEie UpOUyXTH ΗΜΘΙ0Τ COCTaB b cootb6Tctb3íhc npn-EPDM I. ΠρίΊ npeBpaqeHini stbx bcxouhhx npouyxTOB Ha # xaTajni3aTopo. \ I UO-CTnraeTCH cjieuywrfi οοοτθβ npouyxTOB (BCE uaHHHQ npHBeueiiH bbccobhx% H ecjm ηθ yxa3aH0 ocotío, oraeceHK ncxouHLtítnpouyxT IIa) :

Ha3saHxe noxou- H-rexcaH EeH3HH0BaH EensiiHOBan

Horo npouyxTa $ paxiw 2 cpaKipiH 3

Bhxou npouyxTO3

Ennxnx npouyxTPeawioHHKx ra3 82.7 85.1 15.0 12.0 85.1 12.9 i

I - II - yrjrpo ^ 2,3 2,9 2,0 Eei30Ji 72,1 32,7 34,7 Co ^ epi amine th30HiOn xy xy rt 87,2 38,4 40,7 OdaBaHiOn 8.3 4.6 4.8

Hpnwep 3:

HcnoJiLsyeTCH KaTajiK3aTop, οπβοθηηηη b npiiMepe 2 h npnyCJIOBITHX 0ΠΗΤ3 ΟΟΟΤΒβΤΟΤΒΟ B 2 3 C IipBMepOM peSKIW BEC-HT-CH (5eH3.míOBaH čppaxiw, cocTaB κοτοροκ npuBesen hxzs (BCE ^ b aiiHKe bsccbhx #): 2.3- 1.0 jxo e TiíJióyTaH 2- MeTHJineHTaH 10,0 3- MeTX.aNHTaH 3,5 H-reKcaH 22,9; le TiiwntTioneHTaH 9,1 2,4r ^ ix.'2T3JineHTaH 0,8

UnrjioreKcaH 5,1 2- t / ie TBJíreKcaH 4, 7 2.3- ^ T3 is THjmeHTaH 2.5 3- MeTieJireKcaH 6.8 ixxc-I, 3-wieTnwiKJioneHTaH 1.7. Tpanc-I, 3-j] ii4erajmHKJioneHTaH 1.4

TpaHC-1,2-, we TiijmwioneHTaH 3.8

H-reniaH II, I n-1, 2-IabeItHeIjnEnEnHHH 0.3 2.5-iMiTHiSiCiCeH 1,1 ' MeTBJHiHiHiHHiH 4,4 ' This is 1.5

Hpx npeBpameHXH 3toS óeH3XH0B0H <ppswrE noJipzaeTCH cjre ^ ysnpiS

I - 12 - C0CT3B npOJiyKTOB (bCQ .HaHHtie B BSCOBHX% II 0TH6CSHH Ha UCXOa-hhz npojjyKT) , 6 Bojí op: 4.5

UpiiMep 4:

Ilocjie Toro, '96.85 1 1.8 0.05I 0.25 (0.25 I 0.8 K2K Κ3Τ3ΖΗ33Τ0ρ, HMeWTW COCTaB (B BSCOBHX%) iraMMa-Ai? O

CaOPtPd xjiop DWI npejsjíe Bcero npejíBapHTejiBHO očpaÓoTan b οοοτβθτοτβηη gnpffiviepoM I ó6H3HHOByío qppaiwro, cocTaB KOTopoíi npHBe ^ eH bnpuMepe 3 nojtBepraioT npeBpameHHio Ha # stzm KaTajiH3aTopoM., IIpeBpaineHHe nponcxojíHT peaKTope b c ηθπο, πβηηηηΓ'Λ KaTajni3aT0 pow-NPU ycjiOBHHX plastered, κοτοόηθ npuBejieHH ηπκθ:

KojnreecTBO KaTaxn3aTopa: 49.5 r

TewnepaTypa peawra: 540 ° C -2 ° C IIarpy3xa (r Hcxo £ Horo nposyxTa / r Ka- γ

Tajffi3aTopa x nac.): 0.5 nac “Πο, ΰΒΟβ Bo ^ opo ^ a: 1000 ji H ^ / ji HcxosHoro npojjyKTa ώ x nac.

HopwaJiBHoe jjaBnemie JXocTETHyT cjie £ ywiH bhxoji npoj-yKTOB peaKipm (Bce ttshhhcirpErae ^ eHH b βθοοβηχ% η οτηθοθηη Ha hcxoahhii npojjyKT):

I - 13 -

EhaichíI προίζ / κτ: 85.4

PeQKip-OHHiHi [theta] 3: 12.0 yr

Eie 30Ji: 25.3

Tojiyoji: 15.1 IIpHLiep 5:

Ha £ KaT «3JHI3aTOpOM, Π3ΠξΗΜ 'C0CT3B (b B6C0BHX%): 97.15 1.5 0.05 0.25 0.25 0.8 9T3-Al9OUo03 .CaOPtPd d ο noc j ip ip ip deH3UHOByio ropawno, ccc-T3B KOTopofi npuBe ^ eH b npsMepe 3, vampire ycjiOBHHX, yxa3aHHHXinnse:

KojnnecTBO KaTajni3aTopa: 48.2 y

Ter.inepaTypa peawm: 540 ° C ± 2 ° G.

Harpysica (r δοχο, ξΗΟΓΟ npojiyKTa / r xaTa-r jiH3aTopa x nac.) 0.5 Hac ~ x Πολβο £ Bojroposa: 1000 λ HVji ηοχο ^ ηογο npo £ yxTa x na o

Hopr.iajiLHoe ^ aB ^ eHne IIcuiypaeTca: cjiejzywrS bhxoi; npojiyícTOB peaKi # ra (soe sam-menpiiBejieHH b βθοοβηχ% η οτηθοθηη Ha zcxo ^ Híti προπ ^ κτ):

DiSiS ripshield: 95.3

PeHiH 2 O 3 and 3: 12.2 yr: 2.5

EeH30Ji: 24.9

Tojiyoji: 15,8-14 - ITpiiMep 6:

Grove; THe 3aTopoM, nweioiMiM cocTaB (b βθοοβηχ 97,43 1,2 0,07 0,25 0,25 0,8 3Ta-Ai2o3 wo3

MgO

Pt

Pd xjiop nocjie npoBe ^ eiiiiH npe ^ BapHTejiBHoS ot ot ot ot pe pe pe pe pe pe pe:::::::::

KcjureecTBo KaTajm3aTopa: TewnepaTypa peaKumi:

Harpy3Ka (r ncxcworo προίζ / KTa / r ica

TajiB3aTopa x nac.) ΠοβΒΟΑ Boaoposa:

HopMaoHoe a B ,3 ,3 49.3 r

520 ° C ± 2 ° C 0.5 Hao- ^ 1000 JI / ^ / jl ΙΙΟΧΟίζΗΟΓΟrrpc ^ yKTa x nac.

HojiyqaeTCH cjie £ ywi2 βηχολ npo ^ yKTOB peaKura (Bce maminaΠρΠΒΘβθΗΗ B BSCOBHX% Z QUZeGQZU Ha HCXOflHHH npOJjyKl) I í-iijíkxh προίτκτ: 35,15

PeaKixHOHHHfi ra3: 62.5 yimepos: 2.35

BeH30Ji: 31.2

Tojiyoji: 24.1

I 1-Γορηγηο nsodpeTei-inn

1. MeTon nonyneHim apoMaTiraecKiix yrneBonoponoB riyrer.i npeo-ópaaoBainiH yraeBonoponoB npenenoB imneHim deii3iiH03 nan na-

AND

Tam3aT0pan.11, nneioiWH ftopny nmmnnpoB inapiiKOB nm, b npn CyTCTBIIIJ ΒΟΛΟρΟΛθ HJni ra3OB C BHC0HHM ΟΟπθρΕΒΗΠΘΗ BOnOponanpn noBHiaeHHHx TewnepaTypax b juianasone naBnenníi ot Hopnam - Horo well ΗΠ3Κ0Γ0, oTnimaionniicn TGM ητο yrneBonoponn npejxe-jiob nnneHnn <5eH3HHOB npeTepnesaioT npespanenne nan Henon- 'BHHHHMH HJIJJ ΠΟ / ζΒΗΧΗΕΜΗ Κ3Τ37ΙΠ33Τ0ρ8ΜϊΙ, COCTOBHíIB.BI H3 ranna-okhcii amonnHim mm, npennonTHTenBHO, n3 3Τ3-οκηοη amnn-mm b nanecTBe waTepnana HociiTem n neTamos. n / nm HX Coe-nHHeHHií Yih nonrpynnti IlepnonnnecKOH οηοτθμη θχθηθητοβ / okiic-jiob qejioHHHX mm iqeji0HH03enejiBHHX neTamos n NPN Heodxonn-mocth, xxopa b KanecTBQ KaTamTnnecKoro θκτηβηογο Bemecrsa n κοτορΗθ Nepen 3arpy3Koíl cupLn npenBapniemHO nonBepraDToópadoTKe Hanan ra3on, conepsaiiínn κηοηοροη and 33τβη ra3on .conepscamHM Bonopon, npn TennepaTypax £ 0 550 ° C, npn TeNne-paTypax peawm b jmana30He carried 450 ° n 570 ° C, npennon-TiiTejiBHO ~ b Anana30Hs carried 520 n 560 ° C , 0 r ncxoAHoro nponyxTa / r ieaTam3aTopa x nao n nnpnnompi-ion cooTnomemm Boncpona κ ncxonnony npoayxTy, paBHOMot I: I no 10: 1, πρβηποητητθηΒΗΟ - οτ 3: 1 no 7: 1, n npn3Haneimnx namiemm οτ I no 20 aTMoc <pep , πρθηποητητδηΒΗο - οτ3 no 10 aTmocoen. -r / oxicjiob listsjijiob YI nonrpynnu HepxonnnecKoncxctoxli ajisnexTCB 2. ίϊίετοη b cooTESTCTBim c nymcTOM I OTrnnařoumncn One htoncnojiB3yioTCH KaTajnnaTopK, conep & ANME οπηη nm necnomnoneTamos n / nm coennHeímS YIII nonrpynnn HepnonnnecxoncHCTeMH θηθμθητοβ b nomnecTBe, oTHeceHHOM Ha odimn seoKaTam33Topa, paBHOM ot 0 , 01 no 1.0 Bec. % nm KannoroneTama nm aneneHTa. 3. Initiality of the NCT, IOPS, TenTs, ThiTCHs to TamsaTopn, conepsanme Condnimne not TarniOB mTHHa / mnmnnn, nnaTUHa / pemin mTaTnna / nnnnnni b -2-. 204 299 cooTHomeinm πηατιΐΗΗ κ npyrc.uy MeTanny nnn anenei-iTy TUI ποη-rpynnu IlepiiΟΛΗΉθοκοϋ chotcmu anewenTOB b nnanasone wennyI: I η 10: I βθοοβηχ nacTefí. Fourth i.IeTon b c cooTBSTCTBiin nyHKTOM I oTjnraawrfícíi One htoHcnojiLsyioTCíi KaTao3aTopH, conepixaniie oiuicnu MeTannoB YIno ^ rpynnu nepnoniHecKofí οποτθΜΗ aneweiíTOB b nepecnsTeKaK okhcb weTajuia (ΪΙ) b KomreecTBe, paBHor.i ot nose BeCOBHX 0.01% ΠρθίΠΟΠΤΒΤΘΛΒΗΟ - OT 0.1 £ 0 10 BeCOBHX 5, OTHeceHHOM Ha 'odiunz Bec KaTami3aTopa. 5. bθτοη b cooTBeTCTBBH c nyHKTOM I, oTnimawincH Tew, hto ·. KaTann3aTopu, conepsaiiíne okhcjih iqenonHHx jtjlu IHeJI0HH03eMeJIBHHX MeTaJIHOB B ΚΟΛΗΗΘΟΤΕΘ OT 0.01 no 5.0 3e-cobhx oTHeceHHOM Ha oóiiíhě Bec KaTainisaTopa. 6. IτOMη b,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,opopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopopop 7th Μετοη b cooTBeTCTBHH C 1-3 nyHKTaMn čbopMynn, οτηΒΗΒκηυηcn τθμ, HTO HcnonB3yioTcn KaTann3aTopH, conepKaiune οηπΗ iinnHecKOJiBKO MeTannoB n / nnn nx coejHiKeHmi YiLi nonprymiH Περηο-nHHecKofí cHCTeMH θλθμθητοβ b KOMÓHHaiw MeTannaMn c n / nnnhx coeniiHeHHHMH yiI.nonrpymiH π / 17 πηκ rnaBHofi rpynnn Hepno · niraecKofl οηοτθμη aneweHTOB, nprraeM conepsanne Kasnoro .in Atropine nnn sneMeHTa npn οοοτηοεθηηη nnaTHHH κ npyroMyTanny nnn aneMeHTy Meayjy 1: η 1 10: 1 0.01 cocTaBnneT ot nc1,0 βθοοβηχ OTHeceHHHX Ha odutnfí Bec KaTemi3aTopa. AímoTaim

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Claims

/ f (OBJECT OF THE INVENTION

What is claimed is: 1. A process for recovering aromatic hydrocarbons by treating hydrocarbons in the range of boiling point of gasoline over the roll or catalyst catalyst in the presence of hydrogen or high hydrogen gas at elevated temperatures in the range of pressure to normal, characterized in that hydrocarbons Subgroups of the Periodic Table of the Elements and / or Compounds, Oxides of the Subgroups of the Periodic Table of the Periodic Table and / or Compounds, Oxides of the Sub-Periodic Table, are processed in the range of gasoline temperatures over catalysts which are either in or out of motion and which are composed of gamma-alumina or preferably eta-alumina as carrier and metals. Table of elements, oxides of alkali metals or alkaline earth metals and, if necessary, chlorine as catalytically active substances, which are pretreated with oxygen-containing first gas and then with hydrogen containing gas at temperatures up to 550 ° C prior to contacting the feedstock. reaction temperatures vrozs and between 450 and 570 ° C, preferably between 520560 ° C, with a load of 0.3 to 5.0 g of starting material / catalyst. hour and at a molar ratio of hydrogen to the starting material of from 1: 1 to 10: 1, preferably from 3: 1 to 7: 1, and at a pressure of from 0.1 to 2.0 MPa, preferably from 0.3 to 1.0 MPa

2. A process according to claim 1, wherein the catalysts comprising one or more metals and / or compounds VIII of the subgroup of the periodic table are used in an amount of from 0.01 to 1% by weight for each element or element based on the total weight of the catalyst. .

3. The process of claim 1, wherein the catalysts comprising a combination of platinum / palladium, platinum / rhenium and platinum / iridium are used in the ratio of the platinum to other metal or element VIII subgroup of the periodic table between 1: 1 and 10: 1 parts by weight.

4. Process according to claim 1, characterized in that catalysts containing the oxides VI of the subgroup are used in the periodic table of the elements in the amount of 0.01 to 30% by weight, preferably 0.1 to 10% by weight. based on the total weight of the catalyst. '

5. A process as claimed in claim 1, wherein the catalyst comprises alkali metal or alkaline earth metal oxides in an amount of from 0.01 to 5% by weight based on the total weight of the catalyst.

6. A process as claimed in claim 1, wherein the chlorine-containing catalyst is used in an amount of from 0.1 to 2% by weight based on the total weight of the catalyst.

7. A process as claimed in any one of claims 1 to 3, wherein the catalysts comprising one or more metals and / or their compounds VIII are subgroups of the periodic element table in conjunction with metals and / or compounds thereof. the group of periodic table elements, wherein the content of each metal or element of platinum to another metal or element is between 1: 1 to 10: 1 is from 0.01 to 1.0% by weight based on the total weight of the catalyst. Recognized by the invention on the basis of the results of an expert review by the Office of Invention and Patenting, Berlin, DD. REPAIR OF THE DESCRIPTION OF THE INVENTION TO THE AUTHORIZED CERTIFICATE No.217 430Int.ClJg i5g In the description of the invention to the Author's Certificate No.217.430, the heading should be: Location: Int.Cl2 C 10 0 35 / 09B 01 S 23/40 Correct: Int.Cl ^ G 10 0 35 / 09B 01 J 23/40 OFFICE AND DISCOVER OFFICE