Method of gamma-butyrolactone synthesis

专利摘要:
According to this process, gamma-butyrolactone is produced by liquid phase catalytic hydrogenation of maleic anhydride with hydrogen at elevated temperature and under pressure, in the presence of a catalyst containing nickel and palladium deposited on a support. …<??>When the support material chosen is a support based on silica exhibiting a very high specific surface whose value can range from 50 m<2>/g, preferably from approximately 100 m<2>/g up to 800 m<2> and more, very high degrees of conversion are obtained, of the order of 90 to 98 mol%, together with excellent selectivities for gamma-butyrolactone, of 95 to 97 mol%.
公开号:SU1766258A3
申请号:SU894613844
申请日:1989-04-20
公开日:1992-09-30
发明作者:Даллон Жан-Люк；Жакоб Пьер；Мартенс Йохан；Тастенхойе Поль；Ванден Эйд Иван；Ван Гисель Огюст
申请人:Юцб С.А. (Фирма)；
IPC主号:

专利说明:

T table 5
) -These substrates were obtained in a pike specified in / in example 1
t a b p and c a

权利要求:
Claims (1)
[1]
Claim
A method for producing gamma-butyrolactone by catalytic hydrogenation of maleic anhydride in the liquid phase with hydrogen at a temperature of 210-270 ° С and a pressure of 50-95 bar in the presence of a kg-potentiator. including palladium on a silicon oxide substrate, which is related to this. what. in order to simplify the process, you hut ·;
5 TOO additionally contains nickel Hz + mass ratio of nickel and palladium 3.89-35'0.96-3.5. the substrate has a specific surface area of 120-770 mD ' t + optionally additionally contain alumina with a mc10 sowing ratio of silica and alumina of 86.5 -87: Z-d 3.5.
Bab l and c
Catalysis1 torus numberMdc. metal, ί% Substrate Conversion, mol% Selectivity. ;MOL% f Ni Pd;:i A type Specific, item top- I have. m ² / g : FROM 16.26 2.06! SiO ₂. _t .. CM ; ^σ: ' FOR 7 ! D 16.26 2.06 Stop i 320 Q “7 tj. 93.8 E 16.26 2.06 S i O2 i 570 92 95.2 i F 22.50 2,33 Si oz 770 95 93.6 ' 1 16.26 2.06 i Kieselguhr j Yu 62 ! 2 22.50 6 0.96 Kieselguhr * 10 6ϋ g 3 GK .-. G-Z .. .S and 1.30 Kieselguhr 10 62 - L „.cL„ 22.5 2.33! Kieselguhr j ____________........ 61
K z y - number metal. May. %Koh ret- Stoichtto- Liza- Ni WithMo ΐ Pd : Ρΐ SM.Ya. MC.’ib HOCTb, the torus i % i stranded% G 16.26 -2.06C2 9Z7 5 16.26 - - i 2.06 52 ..- 93.8 616.26_ i 2.0695 25.0 7 16.39 -T69 ί - - ί 61 3 94.6 8 50.77 -5.20; - i _ ^-62 95.2
'a b l and
Catalyst; The amount of metal, May. 7o Reaction time. MIN ConversionM O L Z'o SelectiveNOSTA. my%: i Cii, Pd G 22.5! 0.96 300 87.4 96.4 H 1 22.5 1.90 ; 180 92.4  95.9 '. 1 22.5 2,33 : 180^s 95.4 ; 96 0 ‘ G: 8.89 i 2.30 : 330 8'9.6 96 ϋ -.-. ^p X .. 35.0 3.50 150 93.2 ...___________ S9th:
Table 4
Catalyst Temperature ° C Reaction time, min Conversion, mol% Selectivity, ί mol% | TO 235 360 92.6 ⁹⁶ TO 270 120 93.0 93 TO 210 1440 91.0 93 ,
T table 5
Number of recirculations Conversion, mol% Selectivity mole% 94.7 96.0 1 95.0 97.0 5 93.3 97.1 10 96.2 94.9 fifteen 94.1 95.2 20 94.0 96.1 25 93.9 95.6 thirty 93.2 95.7
Table 6
Katali Substrate Conversion, .—, -----------------------------Selective-> congestion Chemical Occurring Specific no- my% : nost. MOL% composition nie top. m ^d / gi. L Si 0261C qn, d I 95.1W, R. IR ACE i 390 90.0 977 m SiO ₂inc. (Silica ίGel 1 N S1O2 / AI2O3 239) • 345 95.0 95.4 i ί (87/13) * i 10 S1O2 / AI2O3 REDCO N.V. 440 98.0 ; 94.7 (86.5 / 13.5) (XONOSIAL) 9 S i O2 / AI2O3 * 320 85.0 94.0 ίI (50/50) ¹⁰ AI2O3 • x 230 35.0 93.0 ! eleven MgO * 310 40,0 94.2 12 Zeolite (Nal) UNION CAR- ; 800 51.5 i 92.7 LBIDE I:
*) - These substrates were obtained by the method specified in example ¹ .
Compiled by V. Myakushev Editor Z. Khodakova Tehred M. Msrgsntal Corrector A. Kozoriz
Order 3391 Circulation Subscription
VNIIIPI of the State Committee for Inventions and Discoveries at the State Committee for Science and Technology
113035, Moscow, Zh-35. Raushskaya nab., 4/5
Production and Publishing Combine Patent, Uzhgorod, 101 Gagarin St.

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同族专利:

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公开号 | 公开日

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KR0131203B1|1998-04-17|

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DE68901742D1|1992-07-16|

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EP0339012A1|1989-10-25|

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JPH029873A|1990-01-12|

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AT77084T|1992-06-15|

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EP0339012B1|1992-06-10|

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GB8809587D0|1988-05-25|

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DE68901742T2|1992-12-17|

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ES2038848T3|1993-08-01|

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KR890016030A|1989-11-28|

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US5118821A|1992-06-02|

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JP2714433B2|1998-02-16|

引用文献:

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DE4326692A1|1993-08-10|1995-02-16|Akzo Nobel Nv|Process for the production of gamma-butyrolactone|US3948805A|1973-08-03|1976-04-06|Deutsche Texaco Aktiengesellschaft|Catalysts for converting maleic anhydride to alpha-butyrolactone|

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DE2429085C3|1974-06-18|1981-07-23|Deutsche Texaco Ag, 2000 Hamburg|Process for the preparation of a catalyst for the liquid phase hydrogenation of maleic anhydride to γ-butyrolactone|

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US4087476A|1976-01-19|1978-05-02|Uop Inc.|Dehydrogenation method|

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US4689315A|1984-04-14|1987-08-25|Redco N.V.|Amorphous silica particles, a method for producing same, and catalyst thereof|

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US4620017A|1985-05-16|1986-10-28|Phillips Petroleum Company|Catalytic hydrogenation of succinic anhydride to butyrolactone|

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CA1279861C|1986-05-12|1991-02-05|Karl T. Chuang|Catalyst assembly|

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JP4633030B2|2006-10-03|2011-02-23|株式会社オーディオテクニカ|Condenser microphone unit and condenser microphone|KR100344962B1|2000-04-10|2002-07-20|한국에너지기술연구원|Preparation method of gamma butyrolactone using maleic anhydride|

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KR100338131B1|2000-05-12|2002-05-24|김이환|Catalyst for the hydrogenation and method for preparing r-butyrolactone using the same catalyst|

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KR100645665B1|2000-07-27|2006-11-13|에스케이 주식회사|Continuous Process for the Production of S-?-hydroxy-?-butyrolactone|

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KR100446655B1|2002-04-09|2004-09-04|주식회사 엘지화학|Hydrogenation reaction catalyst for preparing gamma-butyrolactone and method for preparing thereof, and method for preparing gamma-butyrolactone using the same|

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KR100490838B1|2002-08-30|2005-05-19|주식회사 엘지화학|Praparation of gamma-butyrolactone using noble metal catalyst|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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GB888809587A|GB8809587D0|1988-04-22|1988-04-22|Process for making gamma-butyrolactone|

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