KR880012267A - Silicon-modified catalyst Si / HZSM-5, preparation method thereof and synthesis method of high purity P-dialkylbenzene using the same - Google Patents

Silicon-modified catalyst Si / HZSM-5, preparation method thereof and synthesis method of high purity P-dialkylbenzene using the same Download PDF

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KR880012267A
KR880012267A KR870003467A KR870003467A KR880012267A KR 880012267 A KR880012267 A KR 880012267A KR 870003467 A KR870003467 A KR 870003467A KR 870003467 A KR870003467 A KR 870003467A KR 880012267 A KR880012267 A KR 880012267A
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South Korea
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catalyst
hzsm
reaction
silicon
commonly used
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KR870003467A
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Korean (ko)
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아이. 카이 우앙
비잉-자이 이
엠. 에이취. 첸
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우앙 샤오-유
타이완 스티렌 모노머 코포레이션
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Publication of KR880012267A publication Critical patent/KR880012267A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds

Abstract

내용 없음No content

Description

실리콘 개질된 촉매 Si/HZSM-5, 그의 제조방법 및 그를 사용한 고순도 P-디알킬벤젠의 합성방법Silicon-modified catalyst Si / HZSM-5, preparation method thereof and synthesis method of high purity P-dialkylbenzene using the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1도는 반응활성 및 생성물에 대한 선택성에 대하여 상이한 함침 함량이 미치는 효과, 제 2도는 마그네슘 액침된 촉매와 반응시 Si 침착에 의해 개질된 촉매 사이의 활성비교. 제 3도는 알킬화 반응의 활성 및 생성물에 대한 선택성에 대하여Si(OC2H5)의 첨가 용적이 미치는 효과.1 is the effect of different impregnation contents on the reaction activity and selectivity to the product, and FIG. 2 is the activity comparison between magnesium immersed catalyst and catalyst modified by Si deposition upon reaction. 3 shows the effect of the addition volume of Si (OC 2 H 5 ) on the activity of the alkylation reaction and the selectivity to the product.

Claims (7)

테트라알킬 오르토실리케이트[Si(OR)4]의 분해를 통해 수득된 실리콘 침전물을 그 표면상에 침착시킨 Si/HZSM-5 제올라이트 촉매에 있어서, 실리콘 침전물이 촉매의 세공(pores)을 거의 매우지 않음을 특징으로 하는 Si/HZSM-5 제올라이트 촉매.In a Si / HZSM-5 zeolite catalyst in which a silicon precipitate obtained through decomposition of tetraalkyl orthosilicate [Si (OR) 4 ] was deposited on its surface, the silicon precipitate hardly contained pores of the catalyst. Si / HZSM-5 zeolite catalyst, characterized in that. 침착법을 사용하여 ZSM-5 촉매의 이온교환으로부터 생성된 HZSM-5 촉매를 개질시킴으로써 제 1항에서 청구된 촉매를 제조하는 방법 [ 여기에서 침착되는 Si의 공급원이 일반식 Si(OR)4(여기에서 R는 탄소수 1 내지 4의 알킬그룹을 나탄낸다)의 테트라-알킬 오르토실리케이트(또는 테트라-알콕시 실란)이다]에 있어서, 실리콘의 침전물이 촉매의 세공을 거의 메우지 않음을 특징으로 하는 방법.A process for preparing the catalyst as claimed in claim 1 by modifying the HZSM-5 catalyst produced from ion exchange of a ZSM-5 catalyst using the deposition method, wherein the source of Si deposited is of the general formula Si (OR) 4 ( Wherein R is a tetra-alkyl orthosilicate (or tetra-alkoxy silane) of C 1-4 alkyl group), wherein the precipitate of silicon almost does not fill the pores of the catalyst . 제 2항에 있어서, 침착을 Si(OC2H5)4를 사용하여 증기상 법으로 수행시키는 방법.The process of claim 2, wherein the deposition is carried out by vapor phase method using Si (OC 2 H 5 ) 4 . 제 2항에 있어서, 증기상 침착을 반응전에 맥동형방법을 사용하거나, 반응중에 맥동형 방법을 사용하거나, 반응전에 연속형 방법을 사용하거나, 반응중에 연속형 방법을 수행하여 수행시키는 방법.The process of claim 2 wherein the vapor phase deposition is carried out by using a pulsating method before the reaction, by using a pulsating method during the reaction, by using a continuous method before the reaction, or by performing a continuous method during the reaction. 모노알킬벤젠의 불균등화 또는 트랜스-알킬화 반응 또는 모노알킬벤젠의 C1-C4알켈 또는 알칸올과의 알킬화 반응으로부터 고순도 P-디알킬벤젠을 제조하는 방법에 있어서, 주입물을 전환 조건하에서 제 1항에 청구된 제올라이트 지지된 Si/HZSM-5 촉매와 접촉시킴을 특징으로 하는 방법.A process for preparing high purity P-dialkylbenzenes from disproportionation or trans-alkylation of monoalkylbenzenes or alkylation of monoalkylbenzenes with C 1 -C 4 alkenes or alkanols, wherein And contacting the zeolite supported Si / HZSM-5 catalyst as claimed in claim 1. 제 5항에 있어서, 통상 사용되는 모노알킬벤젠이 톨루엔 또는 에틸벤젠이고, 통상 사용되는 알켄이 에틸렌이며, 통상 사용되는 알칸올이 메탄올 또는 에탄올인 방법.The process according to claim 5, wherein the monoalkylbenzene commonly used is toluene or ethylbenzene, the commonly used alkenes are ethylene, and the commonly used alkanols are methanol or ethanol. 제 5항에 있어서, 전환반응을 200 내지 600℃의 온도, 15 내지 1000psia의 압력 및 0.5 내지 100의 WHSV의 조건하에서 수행시키는 방법.The process according to claim 5, wherein the conversion reaction is carried out under conditions of a temperature of 200 to 600 DEG C, a pressure of 15 to 1000 psia and a WHSV of 0.5 to 100. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870003467A 1986-12-31 1987-04-11 Silicon-modified catalyst Si / HZSM-5, preparation method thereof and synthesis method of high purity P-dialkylbenzene using the same KR880012267A (en)

Applications Claiming Priority (2)

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TW75106361 1986-12-31
TW75106361 1986-12-31

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KR880012267A true KR880012267A (en) 1988-11-26

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