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    METHOD FOR PREPARING A SORBENT
    7.
    发明申请
    METHOD FOR PREPARING A SORBENT 审中-公开
    制备SORBENT的方法

    公开(公告)号：WO2015181521A1

    公开(公告)日：2015-12-03

    申请号：PCT/GB2015/051260

    申请日：2015-04-30

    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

    Inventor： KERRUISH, Jessica ,  LUNN, Matthew David Gwydion

    IPC: B01J20/30 ,  B01J20/06 ,  B01J20/28 ,  B01D53/04

    CPC classification number: B01J20/3085 ,  B01D53/02 ,  B01D2253/1124 ,  B01D2256/245 ,  B01D2257/30 ,  B01J20/06 ,  B01J20/28016 ,  B01J20/3007 ,  B01J20/3028 ,  B01J20/3042 ,  B01J20/3071 ,  B01J20/3078

    Abstract: A method is described for preparing a sorbent material comprising the steps of: (i)adding a solution or suspension consisting of one or more iron salts, optionally one or more salts of elements selected from the group consisting of copper, nickel, cobalt, manganese, zinc and aluminium,and optionally an insoluble support material,to a solution comprising an alkali metal carbonate to form a suspension comprising precipitated iron compounds,until the pH of the suspension is ≤5, (ii)adding an alkaline compound to the suspension comprising precipitated iron compounds to raise its pH to ≥7, (iii)separating the precipitated iron compounds from the suspension at a pH ≥7, (iv)washing the separated precipitated iron compounds to remove residual alkali metal salts, and (v)drying the washed precipitate at a temperature ≤350° C. The sorbent material may be shaped into pellets, extrudates or granules and used for removing sulphur compounds from process fluids.

    Abstract translation: 描述了一种用于制备吸附剂材料的方法，其包括以下步骤：（i）加入由一种或多种铁盐组成的溶液或悬浮液，任选的一种或多种选自铜，镍，钴，锰 ，锌和铝以及任选的不溶性载体材料加入到包含碱金属碳酸盐的溶液中以形成包含沉淀的铁化合物的悬浮液，直到悬浮液的pH为≤5，（ii）将碱性化合物加入到包含 沉淀的铁化合物将其pH升高至≥7，（iii）在pH≥7的情况下将沉淀的铁化合物与悬浮液分离，（iv）洗涤分离的沉淀铁化合物以除去残留的碱金属盐，和（v） 在≤350℃的温度下洗涤沉淀物。吸附剂材料可以成型为颗粒，挤出物或颗粒，并用于从工艺流体中除去硫化合物。

    LIGHTWEIGHT COATED EXTRUDED GRANULAR ABSORBENT
    9.
    发明申请
    LIGHTWEIGHT COATED EXTRUDED GRANULAR ABSORBENT 审中-公开
    轻质涂层挤出颗粒吸收

    公开(公告)号：WO2015138717A1

    公开(公告)日：2015-09-17

    申请号：PCT/US2015/020167

    申请日：2015-03-12

    Applicant: PIONEER PET PRODUCTS, LLC

    Inventor： LIPSCOMB, John, M.

    IPC: B01J20/28

    CPC classification number: B01J20/28011 ,  A01K1/0154 ,  A01K1/0155 ,  B01J20/043 ,  B01J20/10 ,  B01J20/12 ,  B01J20/20 ,  B01J20/3007 ,  B01J20/3042 ,  B01J20/3204 ,  B01J20/3223 ,  B01J20/3234 ,  B01J20/3293

    Abstract: Method and coated lightweight granular absorbent formed of lightweight inner cores made of extruded pellets coated with powdered smectite, preferably bentonite, to form an outer sorbent smectite shell around each pellet producing lightweight sorbent granules where the pellets have sufficient water soluble binder to facilitate shell formation and clumping during sorbent use. When lightweight sorbent granules are wetted, clumps are formed that shrink during drying producing a clean, generally non- sticking clump having a high clump retention rate of at least 92% and/or a crush strength of at least 15 PSI. In a preferred method, the pellets are dried coated with dry powdered smectite before wetting using an atomizer or mister while turbulently directing air towards the pellets and powdered smectite to coat the pellets with the powdered smectite forming the outer sorbent shell while minimizing pellet shrinkage and densification. Such lightweight granular sorbent is well suited for use as litter.

    Abstract translation: 方法和涂覆的轻质颗粒吸收剂由轻质内芯制成，其由涂覆有粉状蒙皂石（优选膨润土）的挤出颗粒制成，以在每个颗粒周围形成外部吸附剂蒙脱石壳，其产生轻质吸附剂颗粒，其中颗粒具有足够的水溶性粘合剂以促进壳形成， 吸附剂使用期间结块。 当轻质吸附剂颗粒被润湿时，形成在干燥期间收缩的团块，产生具有至少92％的高聚集度保留率和/或至少15PSI的压碎强度的清洁的，通常不粘附的团块。 在优选的方法中，在使用雾化器或雾化器润湿之前，用干粉状蒙脱石干燥颗粒，同时湍流地将空气引向颗粒和粉状蒙脱石，以形成外部吸附剂壳的粉状蒙皂石涂覆颗粒，同时最小化颗粒收缩和致密化 。 这种轻质颗粒吸附剂非常适合用作垃圾。

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