KR930702471A

KR930702471A - Hydrodesulfurization

Info

Publication number: KR930702471A
Application number: KR1019930701364A
Authority: KR
Inventors: 에드윈 해리슨 조오지; 휴 맥킨리 도날드; 제임스 데니스 알랜
Original assignee: 크리스토퍼 토마스 아일즈; 데이비 맥키 (런던) 리미티드
Priority date: 1990-11-07
Filing date: 1990-11-07
Publication date: 1993-09-09
Also published as: RU2066339C1; AU658130B2; AU6636490A

Abstract

(a) 수소화탈황대 내에 겹쳐 쌓여 설치된 다수의 반응단(reaction tray)을 갖는 탑 반응기(각각의 단은 예정된 액체 용적과의 황화된 수소화탈황 고체 촉매 충전물을 유지하기에 적합한 개별적인 반응단계를 한정한다), 액체를 단으로 부터 탑 반응기 아래로 통과시키지만 고체 촉매를 보유하기에 적합한 각각의 반응단과 결합된 액체 하강관 장치 및 기체를 아래로부터 단으로 들어가도록 하고 액체와 촉매의 혼합물을 단에서 진탕하기에 적합한 각각의 반응단과 결합된 기체 상승관 장치를 포함하고 수소화탈황 조건하에 유지되는 수소화탈황대를 제공하고; (b) 황-함유 액체 탄화수소 원료유를 다수의 반응단 중의 최상단에 공급하고; (c) 수소-함유 기체를 다수의 반응단 중의 최하단에 공급하고; (d) 액체가 칼럼 반응기를 통해 단으로부터 단으로 아래로 통과시키고; (e) 수소-함유 기체를 탑 반응기를 통해 단으로 부터 단으로 위로 통과시키고; (f) 수소화탈황에 의해 생성된 H₂S-함유 배출가스를 다수의 반응단 중의 최상단으로부터 회수하고; (g) 황 함량이 감소된 액체 탄화수소 생성물을 다수의 반응단 중의 최하단으로부터 회수함을 포함하여, 황-함유 액체 탄화수소 원료유를 연속적으로 수소화탈황시키기 위한 수소화탈황법이 제공된다.(a) a tower reactor having a plurality of reaction trays stacked stacked in a hydrodesulfurization zone, each stage defining a separate reaction stage suitable for maintaining a sulfided hydrodesulfured solid catalyst charge with a predetermined liquid volume. ), Passing the liquid from the stage down the tower reactor, but allowing the liquid downpipe device and gas combined with each reaction stage suitable for holding a solid catalyst to enter the stage from below and shaking the mixture of liquid and catalyst in the stage. Providing a hydrodesulfurization zone comprising a gas riser device associated with each reaction stage suitable for and maintained under hydrodesulfurization conditions; (b) feed sulfur-containing liquid hydrocarbon crude oil to the top of the plurality of reaction stages; (c) feeding a hydrogen-containing gas to the bottom of the plurality of reaction stages; (d) the liquid passes down from stage to stage through the column reactor; (e) passing the hydrogen-containing gas from the stage up through the tower reactor to the stage; (f) recovering the H ₂ S-containing offgas produced by hydrodesulfurization from the top of the plurality of reaction stages; (g) A hydrodesulfurization process is provided for continuously hydrodesulfurizing sulfur-containing liquid hydrocarbon crude oil, including recovering a liquid hydrocarbon product having a reduced sulfur content from the bottom of the plurality of reaction stages.

Description

Hydrodesulfurization

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

제1도는 본 발명의 방법을 사용하여 작동되도록 디자인된 수소화탈황 플랜트의 작업 공정도이다. 제2도는 제1도의 수소화탈황 플랜트의 탑 반응기의 단을 통한 수직 단면도이다. 제3도는 탑 반응기의 변형된 디자인의 단을 통한 유사한 수직 단면도이다.1 is a working flow diagram of a hydrodesulfuration plant designed to operate using the method of the present invention. 2 is a vertical section through the stage of the tower reactor of the hydrodesulfurization plant of FIG. 3 is a similar vertical cross section through a stage of a modified design of the tower reactor.

Claims

(a) a tower reactor having a plurality of reaction trays stacked stacked in a hydrodesulfurization zone, each stage defining a separate reaction stage suitable for maintaining a sulfided hydrodesulfured solid catalyst charge with a predetermined liquid volume. ), Passing the liquid from the stage down the tower reactor, but allowing the liquid downpipe device and gas combined with each reaction stage suitable for holding a solid catalyst to enter the stage from below and shaking the mixture of liquid and catalyst in the stage. Providing a hydrodesulfurization zone comprising a gas riser device associated with each reaction stage suitable for and maintained under hydrodesulfurization conditions; (b) feed sulfur-containing liquid hydrocarbon crude oil to the top of the plurality of reaction stages; (c) feeding a hydrogen-containing gas to the bottom of the plurality of reaction stages; (d) the liquid passes down from stage to stage through the column reactor; (e) passing the hydrogen-containing gas from the stage up through the tower reactor to the stage; (f) recovering the H ₂ S-containing offgas produced by hydrodesulfurization from the top of the plurality of reaction stages; (g) Hydrodesulfurization for continuously hydrodesulfurization of the sulfur-containing liquid hydrocarbon crude oil, comprising recovering a liquid hydrocarbon product having a reduced sulfur content from the bottom of the plurality of reaction stages.

The method of claim 1, wherein the sulfided solid catalyst groups used from molybdenum disulfide, tungsten sulfide, cobalt sulfide, nickel-molybdate sulfide catalyst (NiMoSx), sulfide CoO-MoO ₃ / γ-Al ₂ O ₃ catalyst and mixtures thereof The method chosen.

The process of claim 1 or 2, wherein the hydrodesulfurization condition comprises using a pressure of about 20 to about 1500 bar and a temperature of about 240 to about 400 ° C.

The method of claim 3, wherein the hydrodesulfurization condition comprises using a pressure of about 25 to about 100 bar and a temperature of about 250 to about 370 ° C. 5.

The method of claim 1, wherein the reaction stages each comprise a floor that is inclined at an angle equal to or greater than the resting angle of the catalyst particles in the presence of a liquid.

6. The method according to any one of claims 1 to 5, wherein the half ends each have a conical floor and the slope of which is greater than the resting angle and resting angle of the catalyst particles under liquid present in the stage.

The reaction stage according to any one of claims 1 to 5, wherein the reaction stage has a floor and a peripheral wall, respectively, and the floor is an inner floor portion inclined downwardly and inwardly from the center portion and an exterior inclined downwardly and inwardly from the peripheral wall. And a floor portion, wherein the inclination of the inner and outer floor portions is equal to or greater than the resting angle of the catalyst particles under liquid present in the stage.

※ Note: The disclosure is based on the initial application.