Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement
    12.
    发明授权
    Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement 失效
    烃合成催化剂浆液与气体分离再生

    公开(公告)号:US5817702A

    公开(公告)日:1998-10-06

    申请号:US850566

    申请日:1997-05-02

    CPC分类号: B01J8/226 B01J38/48 B01J38/58

    摘要: A reversibly deactivated, particulate catalyst in a slurry hydrocarbon synthesis slurry is rejuvenated by circulating the slurry from a slurry body through (i) a gas disengaging zone to remove gas bubbles from the slurry, (ii) a catalyst rejuvenation zone in which a catalyst rejuvenating gas contacts the catalyst in the slurry to rejuvenate it and form a rejuvenated catalyst slurry and, (iii) back into the slurry body. Removing at least a portion of the gas bubbles improves the rejuvenation process.

    摘要翻译: 通过(i)气体分离区使浆料从淤浆体循环而从浆液中除去气泡,使浆料烃合成浆料中的可逆失活的颗粒催化剂再生,(ii)催化剂再生区 气体与浆料中的催化剂接触以使其再生,并形成复原的催化剂浆料,和(iii)回到浆料体中。 去除至少一部分气泡改善了复原过程。

    Temperature control in draft tubes for catalyst rejuvenation
    15.
    发明授权
    Temperature control in draft tubes for catalyst rejuvenation 失效
    用于催化剂复原的引流管中的温度控制

    公开(公告)号:US5288673A

    公开(公告)日:1994-02-22

    申请号:US994219

    申请日:1992-12-18

    摘要: Catalyst in a slurry phase reactor is rejuvenated in said reactor using a substantially vertical draft tube fully immersed in the slurry which utilizes a rejuvenating gas injected substantially near the bottom of the substantially vertical draft tube whereby catalyst near the bottom of the slurry phase reactor is drawn up the draft tube and discharged from the top of the draft tube near the top of the slurry phase in said reactor, control over the rejuvenation temperature in the substantially vertical draft tube being achieved by means of insulating the draft tube and/or fitting the draft tube with heating or cooling means.

    摘要翻译: 浆料相反应器中的催化剂在所述反应器中使用完全浸入浆料中的基本上垂直的导流管,在基本上垂直的引流管底部基本上接近注入的再生气体中,使得在浆料相反应器的底部附近的催化剂被拉伸 使引流管从引流管的顶部靠近所述反应器中的浆液相的顶部排出,控制在基本上垂直的通风管中的回弹温度,其通过使引流管绝缘和/或装配通风 管加热或冷却装置。

    Hydrocarbon synthesis catalyst slurry rejuvenation with gas
disengagement (LAW 783)
    16.
    发明授权
    Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement (LAW 783) 有权
    烃合成催化剂浆液与气体分离反应(LAW 783)

    公开(公告)号:US5973012A

    公开(公告)日:1999-10-26

    申请号:US182902

    申请日:1998-10-30

    IPC分类号: B01J38/48 C07C1/04 C07C27/00

    摘要: A reversibly deactivated, particulate catalyst in a slurry hydrocarbon synthesis slurry is rejuvenated by circulating the slurry from a slurry body through (i) a gas disengaging zone to remove gas bubbles from the slurry, (ii) a catalyst rejuvenation zone in which a catalyst rejuvenating gas contacts the catalyst in the slurry to rejuvenate it and form a rejuvenated catalyst slurry and, (iii) back into the slurry body. Removing at least a portion of the gas bubbles improves the rejuvenation process.

    摘要翻译: 通过(i)气体分离区使浆料从淤浆体循环而从浆液中除去气泡,使浆料烃合成浆料中的可逆失活的颗粒催化剂再生,(ii)催化剂再生区 气体与浆料中的催化剂接触以使其再生,并形成复原的催化剂浆料,和(iii)回到浆料体中。 去除至少一部分气泡改善了复原过程。

    Process for regenerating fluorosulfuric acid catalyst
    17.
    发明授权
    Process for regenerating fluorosulfuric acid catalyst 失效
    氟硫酸催化剂再生方法

    公开(公告)号:US4096199A

    公开(公告)日:1978-06-20

    申请号:US772636

    申请日:1977-02-28

    IPC分类号: C07C2/62 C07C3/54

    摘要: A process for regenerating an alkylation catalyst comprising fluorosulfuric acid, said catalyst being at least partially deactivated, which comprises:(1) contacting at least a portion of the fluorosulfuric acid with water to form an acid-water mixture, thereby converting at least a portion of the fluorosulfuric acid therein to hydrogen fluoride and sulfuric acid;(2) removing at least a portion of the hydrogen fluoride from said acid-water mixture formed in step (1) by contacting same with a stripping agent to form a gaseous phase containing hydrogen fluoride and said stripping agent and a liquid phase containing sulfuric acid and sludge;(3) cooling the gas phase formed in step (2) to a temperature sufficient to form a mixed phase comprising at least a liquid phase containing hydrogen fluoride; and(4) treating the mixed phase formed in step (3) with sulfur trioxide under substantially liquid phase conditions so as to regenerate the fluorosulfuric acid. In a preferred embodiment, at least a portion of the regenerated fluorosulfuric acid is recycled to the alkylation zone for use as an alkylation catalyst therein.

    摘要翻译: 一种用于再生包含氟代硫酸的烷基化催化剂的方法,所述催化剂至少部分失活,其包括:

    Gas and solids reducing slurry downcomer
    18.
    发明授权
    Gas and solids reducing slurry downcomer 失效
    气体和固体减少浆液降液

    公开(公告)号:US5866621A

    公开(公告)日:1999-02-02

    申请号:US851863

    申请日:1997-05-06

    摘要: Particulate solids and gas are removed from a three phase hydrocarbon synthesis slurry of solid catalyst particles, gas and liquid, by successively passing slurry from a slurry body through solids and gas disengaging zones in fluid communication, with the solids disengaging zone upstream of the gas disengaging zone. This is accomplished using a solids and gas disengaging downcomer immersed in the slurry wherein solids are disengaged in a quiescent zone adjacent the slurry body, from which the solids reduced slurry passes through an enclosed cup in which gas is disengaged and removed. The bottom of the cup terminates in a downwardly depending downcomer which hydraulically feeds the densified, solids and gas reduced slurry to the bottom of the reactor or to filtration.

    摘要翻译: 颗粒状固体和气体从固体催化剂颗粒(气体和液体)的三相烃合成浆液中通过连续地将浆料从淤浆体通过流体连通的固体和气体分离区域而被从气相分离的上游固体分离区域中除去 区。 这是使用浸入浆料中的固体和气体分离降液管来实现的,其中固体在邻近淤浆体的静止区域中脱离,固体还原浆液从该悬浮液通过封闭的杯,气体被分离和除去。 杯的底部终止于向下的降液管,其将致密化的,固体和气体减少的浆液液压地进料到反应器的底部或过滤。

    Process for regenerating fluorosulfuric acid catalyst
    20.
    发明授权
    Process for regenerating fluorosulfuric acid catalyst 失效
    氟硫酸催化剂再生方法

    公开(公告)号:US4071576A

    公开(公告)日:1978-01-31

    申请号:US772643

    申请日:1977-02-28

    IPC分类号: C07C2/62 C07C3/54

    摘要: The deactivated fluorosulfuric acid catalyst in olefin-paraffin alkylation is regenerated by (1) contacting the acid phase with water to form an acid-water mixture (2) stripping the acid-water mixture with a paraffin to form a gaseous phase of hydrogen fluoride and paraffin (3) cooling the gaseous phase with liquid paraffin to form a liquid fluorosulfuric acid and a vapor containing fluorosulfuric acid, hydrogen fluoride and paraffin (4) treating the vapor with liquid SO.sub.3, and utilizing liquid fluorosulfuric acid in the treating step in countercurrent flow to the vapor to convert the hydrogen fluoride to regenerated fluorosulfuric acid, (5) the remaining gas phase containing paraffin and a minor amount of fluorosulfuric acid is cooled to condense all the fluorosulfuric acid to liquid and (6) the regenerated liquid fluorosulfuric acid is used as the countercurrent flowing liquid fluorosulfuric acid in treating step (4).

    摘要翻译: 通过(1)使酸相与水接触以形成酸 - 水混合物(2)用石蜡汽提酸 - 水混合物以形成氟化氢的气相,再生烯烃 - 烷烃烷基化中的失活的氟代硫酸催化剂, 石蜡(3)用液体石蜡冷却气相以形成液体氟代硫酸和含氟硫酸,氟化氢和石蜡的蒸汽(4)用液体SO 3处理蒸汽,并在处理步骤中利用液体氟代硫酸逆流 蒸汽将氟化氢转化为再生的氟代硫酸,(5)将含有石蜡和少量氟代硫酸的剩余气相冷却,将所有氟代硫酸冷凝成液体,(6)使用再生液体氟代硫酸 作为处理工序(4)中的逆流流动性氟代硫酸。