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    • 5. 发明申请
    • A HYDROCARBON SYNTHESIS PROCESS
    • 油气合成方法
    • WO2009022261A2
    • 2009-02-19
    • PCT/IB2008053134
    • 2008-08-05
    • SASOL TECH PTY LTDHUYSER JOHANNES JACOBUSBEKKER RIAANJANSE VAN VUUREN MATTHYS JOSEPKOTZE RYNO
    • HUYSER JOHANNES JACOBUSBEKKER RIAANJANSE VAN VUUREN MATTHYS JOSEPHUSKOTZE RYNO
    • C10G2/00
    • B01J23/745B01J23/78B01J37/16B01J37/18C10G2/332C10G2300/703
    • This invention relates to a Fischer Tropsch process using a catalyst activated in accordance with the invention. More particularly the invention relates to a three phase Low Temperature Fischer Tropsch process wherein CO and H2 are converted to hydrocarbons and possibly oxygenates thereof by contacting syngas including CO and H2 in the presence of an iron based Fischer Tropsch catalyst, wherein the ratio of H2:CO in the feed is between 2.5 and 1, and wherein the iron based Fischer Tropsch catalyst is activated according to the steps of: (a) providing an iron catalyst including iron in a positive oxidation state; and (b) contacting the iron catalyst in a reactor with a reducing gas selected from CO and a combination of H2 and CO; at a temperature of at least 245°C and below 28O°C; at a reducing gas pressure of above 0.5 MPa and not more than 2.2 MPa; and at a GHSV of total gas fed to the reactor of at least 6000 ml(N)/g cat/h, thereby reducing the iron that is in a positive oxidation step in the catalyst.
    • 本发明涉及使用根据本发明活化的催化剂的费 - 托法。 更具体地说,本发明涉及一种三相低温费 - 托法,其中CO和H 2在铁基费 - 托催化剂存在下,通过使包含CO和H 2的合成气接触将CO和H 2转化成烃,并且其中CO 2和H 2的比例 进料中的CO为2.5〜1,其中铁基费托催化剂根据以下步骤活化:(a)提供包含正氧化态的铁的铁催化剂; 和(b)使反应器中的铁催化剂与选自CO和H 2和CO的组合的还原气体接触; 在至少245℃和低于280℃的温度下; 在0.5MPa以上且2.2MPa以下的还原气体压力下, 并且在进料到反应器的总气体的GHSV为至少6000ml(N)/ g cat / h,从而减少催化剂中正氧化步骤中的铁。
    • 6. 发明申请
    • A HYDROCARBON SYNTHESIS PROCESS
    • 油气合成方法
    • WO2009022263A2
    • 2009-02-19
    • PCT/IB2008053137
    • 2008-08-05
    • SASOL TECH PTY LTDHUYSER JOHANNES JACOBUSJANSE VAN VUUREN MATTHYS JOSEP
    • HUYSER JOHANNES JACOBUSJANSE VAN VUUREN MATTHYS JOSEPHUS
    • C10G2/00
    • B01J23/78B01J23/745B01J37/18C10G2/332C10G2300/703
    • This invention relates to a hydrocarbon synthesis process. More particularly, but not exclusively, this invention relates to a Fischer Tropsch Process employing an activated catalyst and to the use of such an activated catalyst, wherein the Fischer Tropsch Process conditions favour the attainment of a low acid selectivity. More particularly the invention relates to a three-phase low temperature Fischer Tropsch (LTFT) process wherein a feed of H2 and CO are converted to hydrocarbons and possible oxygenates thereof by contacting the H2 and CO in the presence of an iron-based Fischer Tropsch catalyst in a reaction zone, wherein the molar ratio of H2 : CO in the feed is from 0.5 and less than 1.0 and wherein the iron-based Fischer Tropsch catalyst is activated according to the steps of: (a) providing an iron-based catalyst including iron in a positive oxidation state; and (b) contacting the iron- based catalyst in a reactor with a reducing gas selected from CO and a combination of H2 and CO; at a reduction temperature of at least 245°C and below 28O°C; at a reducing gas pressure of above 0.5 MPa and not more than 2.2 MPa; and at a GHSV of total reducing gas fed to the reactor of at least 6000 ml(N)/g cat/h, thereby reducing the iron that is in a positive oxidation step in the catalyst.
    • 本发明涉及烃合成方法。 更具体地但非唯一地,本发明涉及使用活化催化剂的费 - 托法和这种活化催化剂的用途,其中费托法条件有利于获得低酸选择性。 更具体地说,本发明涉及一种三相低温费托(LTFT)方法,其中通过在铁基费托催化剂存在下使H 2和CO接触,将H 2和CO的进料转化成烃和可能的含氧化合物 在反应区中,其中进料中H 2 :CO的摩尔比为0.5至小于1.0,并且其中所述铁基费托催化剂根据以下步骤活化:(a)提供铁基催化剂,其包括 正铁氧化态; 和(b)使反应器中的铁基催化剂与选自CO和H 2和CO的组合的还原气体接触; 在至少245℃和低于280℃的还原温度下; 在0.5MPa以上且2.2MPa以下的还原气体压力下, 并且在进料到反应器的总还原气体的GHSV为至少6000ml(N)/ g cat / h,从而减少催化剂中正氧化步骤中的铁。