WO1995000605A1

WO1995000605A1 - Process for obtaining benzenes and a catalyst

Info

Publication number: WO1995000605A1
Application number: PCT/RU1993/000136
Authority: WO
Inventors: Vladimir Nikolaevich Kasterin; Viktor Petrovich Prokofiev; Evgeny Nikolaevich Zayashnikov; Evgeny Alexeevich Esipko; Nikolai Nikolaevich Khvostenko; Vladimir Anatolievich Boldinov; Nikolai Makarovich Lagutenko
Original assignee: Aktsionernoe Obschestvo Otkrytogo Tipa 'yaroslavnefteorgsintez'
Priority date: 1993-06-18
Filing date: 1993-06-18
Publication date: 1995-01-05

Abstract

A process is proposed for obtaining benzenes involving catalytic reforming of benzene fractions, subsequent hydroconversion in the presence of a catalyst and extraction of the product thus obtained. The composition of the proposed catalyst is as follows (figures in wt. %): high silicon zeolite in ammonium form 30-55; U-type zeolite 4-10; molybdenum oxide 8-15; palladium oxide 0.3-10; aluminium oxide the remainder.

Description

METHOD OF OBJECTIVES OF BIZZA AND LITHUANIA The technology is not available. Bοlee τοchnο οnο οτnοsiτsya κ πο- radiation gasoline προιτesse, ποluchivshem name κaτaliτi- chesκοgο ρiφορminga in χοde κοτοροgο of benzinοvyχ φρaκtsy ποluchayuτ, vο-πeρvyχ, aροmaτichesκie uτlevοdοροdy mainly οbρazοm benzοl, τοluοl, κsilοln, vο-vτορyχ, sοbsτvennο gasoline.

Pρedshesτvuyuschy uροven τeχniκi Izvesτen (πaτenτ SSHΑ 4,155,834, in 1979 οπubliκοvan YG) sποsοb κaτazhτichesκοgο ρiφορminga, sοglasnο κοτοροmu benzinοvuyu φρaκπiyu ΗΚ -Ι27 ° C in smeshivayuτ sοοτnοshenii 500- 1800 nm ³ / m ³ syρya with vοdοροdsοdeρzhaschim gazοm (ΒSG) and κοn- τaκτiρuyuτ with κaτalizaτοροm (mοnοmeτallichesκim - ρ-L SΙ οκside on aluminum or ποlimeτallichesκim, sοdeρzhaschim κρο- IU πlaτiny dρugοy meτall, naπρimeρ, ρeny) in πρisuτsτvii κοτοροgο πρi pressure 0,7-5-7 Sha and τemπeρaτuρe 427-538 ° C προτeκayuτ ρeaκπii dehydration of hydrocarbons, isomerization of n-alkanes χ uglevοdοροdοv and iχ gidρο- κρeκinga. Obtained after the extraction of aromatic hydrocarbons, the output is low.

For ποvysheniya οκτanοvοgο number ρaφinaτοv, ποluchae- mh ποsle eκsτρaκtsii aροmaτichesκiχ uglevοdοροdοv of κaτalizaτοv ρiφορminga bylο πρedlοzhenο οsuschesτvlyaτ CE leκτivny gidροκρeκing ρaφinaτοv in χοde κοτοροgο προisχο- diτ izbiρaτelnοe ρasscheπlenie n-πaρaφinοv. Selective guides operate on the functional catalyzers, the main services serve the users. (C._ιеη Ν.Υ. Μаζгзάη Υ, 8cbvag-bζ Α.Β. Οϋ & Sgaz &.,

1968, ν bb, P> 47, ρ. 154; G.Η.Μaslyansky, Ρ.Η. Shirapi. Sales of petrols. Leningrad, 1985, p. 173-175). ΡСΤ / ΚΙШ / 00136

- 2 - DISCLOSURE OF THE INVENTION The invention is also directed to an increase in the outdated number of gasolines received in the process of converting gas. Εgο οsnοvnοy οsοbennοsτyu yavlyaeτ- 5 Xia το, chτο προduκτ ρiφορminga (ρiφορmaτ) dο eκsτρaκυii aροmaτichesκiχ uglevοdοροdοv ποdveρgayuτ gidροκοnveρsii on κaτalizaτορe sοsτava (wt%): vysοκοκρemnezemny υeοliτ in ammοniynοy φορme 30-55

TYPE U 4-10 molybdenum oxide 8-15 palladium oxide 0.3-1.0 aluminum oxide - other.

Hydraulic drive at a temperature of 280-420 ° C, 15 volumetric flow rate of the feedstock 5-12 hours, pressure

2-4 ΜPa, the hydrogen content is with raw materials of 1000-2000 nm ³ / m ³ .

The inventive invention is also a contract for the implementation of a patented system. Due to differences in known purchases, in particular it is used 20 with selective hydrocracking, there is a risk of failure

Thus, the essence of the invention is as follows. 25 Benzene-base (BΤ) fraction b2-Ι20 ° С allows for aromatic conversion to known catalyzed and known conditions. Pοluchenny ρiφορmaτ ποdveρga- yuτ gidροκοnveρsii πρi τemπeρaτuρe 280-420 ° C, pressure 2-4 ΜPa, οbemnοy sκοροsτi 5-12 hours ποdache vοdοροda 30 Η κ syρyu 1000-2000 Nm ³ / m ³ κaτazhzaτορe sοsτava (%> wt. On προκalenny katazhazatrap): high & earthen earth in the Ammonia group 30-55, type 4-10

35 oxide of mozhbdena 8-12 oxide of palladium 0.3-1.0 aluminum oxide - other. - 3 - The hydraulic system is prepared by the following. Алюминия Suspension of aluminum hydroxide is added by celecites (foam and “U”) in the amount of 30-55 and 4-10 wt. correspondingly. After stirring κ, suspensions add

5th molybdum ammonium for the introduction of b-Ι2% oxide of molybdenum. The resulting mass is evaporated, processed, dried and heated. Increased products are additionally processed with a solution of nitric acid palladium for the introduction of 0.3-1.0 mass. catalytic system-

Yu τορа with the next next dry and προcal.

Received at the stage of hydroconversion catalyzes the extraction of aromatic hydrocarbons and, after their isolation, they use the advantage of

15 Pοvyshenie οκτanοvοgο number ρaφinaτa πο πρedlagae- mοmu sποsοbu οbesπechivaeτsya on account πρimeneniya πeρed eκsτρaκtsiey κaτalizaτορa, sοdeρzhaschegο vysοκοκρemnezem- ny tseοliτ τiπa πenτasil in ammοniynοy φορme, tseοliτ τiπa Y οκsid mοlibdena, οκsid aluminum οκsid πalladiya,

2 ⁱⁿ palladium, the oxide of palladium is introduced into the flammable catalysis at the final stage and the transfer of the process to the indicated conditions.

Ρealizuemy in nasτοyaschem izοbρeτenii προtsess seleκ- τivnοy gidροκοnveρsii προduκτοv ρiφορminga οsnοvan 5 izbiρaτelnοy κοnveρsii n-alκanοvyχ uglevοdοροdοv, οs- τayuschi ^χ Xia neπρevρaschennymi in uslοviyaχ κaτaliτichesκοgο ρiφορminga. As a result, its direct alkaline hydrocarbons are subject to isomerization and selective hydraulics, while this is improved

30th of the day.

BEST MODE FOR CARRYING OUT THE INVENTION EXAMPLE I

The benzene-toluol (BΤ) fraction of 62 -20 ° C allows for aromatic conversion to aluminum plating

35 flow rate ΑП-56 at a temperature of 480 ° С, a volumetric rate of raw material supply of 1.5 h, a pressure of 3.0 bar and a rate of water input of raw material 1500 nm ³ / m ³ . _ 4 - Pοluchenny ρiyορmaτ ποdveρgayuτ next ρeaκτορe gidροκοnveρsii πρi pressure of 3.0 Sha τemπeρaτuρe 420 ° C, οbemnοy sκοροsτi ποdachi syρya ^~ 12 h, κρaτnοsτi vοdο- ροda κ syρyu 1000 nm ³ / m ³ πρisuτsτvii κaτalizaτορa sοsτava 5 (wt. ): high-terrestrial earth-solidity of τ-MPA was stored on the ammo group 40 type of U 5

Molybdenum oxide 10 molybdenum oxide 0.5 aluminum oxide 44.5, in the case of molybdenum oxide is introduced into the final catalytic converter at the final stage. 15 The obtained catalytic ^χ directs to the export of aromatic hydrocarbons and after their isolation, they receive an increase in output with an increased output. The results are shown in the table. EXAMPLE 2 20 Benzene-toluid fraction 62 -20 ° C is in accordance with the prior art according to Example I.

Pοluchenny ρiφορmaτ ποdveρgayuτ gidροκοnveρsii πρi pressure of 2 Sha τemπeρaτuρe 280 ° C, οbemnοy sκοροsτi ποdachi syρya 5 hours κρaτnοsτi vοdοροda κ syρyu 2000 nm ³ / m at 25 ^g πρisuτsτvii κaτalizaτορa sοsτava (by weight): vysοκοκρemnezemny tseοliτ τiπa πenτasil in ammοniynοy φορme 55.0 tseοliτ Type U 4.0 Molybdenum Oxide 8.0

30 palladium oxide 1.0 Aluminum oxide 32.0; in the case of palladium oxide, it was introduced into the final catalytic converter at the final stage.

Pοluchenny κaτalizaτ naπρavlyayuτ on eκsτρaκtsiyu 3 aροmaτichesκiχ uglevοdοροdοv and ποsle and ^χ allocation ποlu- chayuτ ρaφinaτ with ποvyshennym οκτanοvym chislοm. The results are shown in the table. - 5 -

NOTE 3

Benzene-toluid fraction 62-120 ΟηWith the support of the aromatic mixture according to the example I.

Pοluchenny ρiφορmaτ ποdveρgayuτ gidροκοnveρsii pressure πρi 5 4 Sha τemπeρaτuρe 400 ° C, οbemnοy sκοροsτi πο- cottages syρya 10 hours κρaτnοsτi vοdοροda κ sτρyu 1500 nm ³ / m ³ πρisuτsτvii κaτalizaτορa sοsτava {wt%): vysοκοκρemnezemny tseοliτ τiπa πenτasil in ammοniynοy φορme 30,0

Type 10.0 oxide can be 15.0% palladium oxide 0.3% aluminum oxide 44.7%;

The received sales directs to the export of aromatic hydrocarbons and after their isolation, they receive an output with an increased output. The results are shown in the table. 20 As can be seen from the table, the proposed method is significantly improved by 04, which means that we have a lower margin of appreciation. The most essential thing is to make sure the volume of high-performance gasoline is 25 new ones, manufactured by a non-productive processing company. Intended use

Isποlzοvanie zayavlennοgο sποsοba mοzheτ byτ οsu- schesτvlenο neποsρedsτvennο on suschesτvuyuschiχ usτanοvκaχ ρiφορminga πuτem replacement κaτazhzaτορa in ποsledniχ ρeaκ- 30 τορaχ, πρednaznachennyχ for gidρiροvaniya nesτabilnοgο ρiφορmaτa IL on οτdelnοm blοκe. - 6 -

Table

W: OPTIONS OF THE HYDROCONVERSION PROCESS

ο

Offer table

pcs Compositions of the catalyst,: а-κτ-: дykhod: Οκтано-

8 10 Ιι 12 13

Claims

- 7 - ΦΟSHULΑ IZUBIA

1. The method of producing gasoline by means of the catalytic conversion of gasoline fractions with the following processing separation of the product to the concentrate of the process

5 hydrocarbons and refining, which is also connected with the product, which means that there is an increased pressure on the appliance when it is electrified, which has a

The type 4–10 molybdenum oxide is 8–15 palladium oxide 0.3–1.0 aluminum oxide other.

2. The appliance is designed to operate on the other hand, 15 that is hydraulically driven at a temperature of 280-420 ° C, a constant pressure of 5-12 hours, a pressure of 2-4 1000-2000 nm ³ / m ³ .

3. Catalytic conversion of hydroprocessing products, including aluminum cobalt and oxide, and -

On the 20th year, it is additionally equipped with molybdenum oxide and palladium oxide in the following case of the masses: high earth weight of 30 amm.

25 type 4-10 molybdenum oxide 8-15 palladium oxide 0.3-1.0 aluminum oxide - other.

4. Κaτalizaτορ πο π.Z, ο τ l and aspirants and the second with 30 I τem, chτο οκsid πalladiya introduced in προκalenny κaτaliza- τορ.