Regenerable high capacity sorbent for removal of mercury from flue gas
    5.
    发明授权
    Regenerable high capacity sorbent for removal of mercury from flue gas 有权
    可再生的大容量吸附剂,用于从烟气中去除汞

    公开(公告)号:US07288499B1

    公开(公告)日:2007-10-30

    申请号:US10783264

    申请日:2004-02-19

    摘要: A regenerable, high-capacity sorbent for removal of mercury from flue gas and processes and systems for making and using the sorbent. A phyllosilicate substrate, for example vermiculite or montmorillinite, acts as an inexpensive support to a thin layer for a polyvalent metal sulfide, ensuring that more of the metal sulfide is engaged in the sorption process. The sorbent is prepared by ion exchange between the silicate substrate material and a solution containing one or more of a group of polyvalent metals including tin (both Sn(II) and Sn(IV)), iron (both Fe(II) and Fe(III)), titanium, manganese, zirconium and molybdenum, dissolved as salts, to produce an exchanged substrate. Controlled reaction of a sulfide ion source with the one or more polyvalent metals that are exchanged on the silicate substrate produces the sorbent. The sorbent is used to absorb elemental mercury or oxidized mercury species such as mercuric chloride from flue gas containing acid gases (e.g., SO2, NO and NO2, and HCl) and other gases over a wide range of temperatures.

    摘要翻译: 用于从烟道气中去除汞的可再生大容量吸附剂以及用于制造和使用吸附剂的工艺和系统。 页硅酸盐底物,例如蛭石或蒙脱石,用作多价金属硫化物的薄层的便宜的载体,确保更多的金属硫化物参与吸附过程。 吸附剂通过硅酸盐衬底材料和含有一种或多种多价金属(包括锡(Sn(II)和Sn(IV)),铁(Fe(II)和Fe(Fe III)),钛,锰,锆和钼,作为盐溶解,以产生交换的底物。 硫化物离子源与在硅酸盐衬底上交换的一种或多种多价金属的受控反应产生吸附剂。 吸附剂用于从含有酸性气体的烟道气(例如SO 2,NO和NO 2)和HCl中吸收元素汞或氧化汞物质如氯化汞, 和其他气体在很宽的温度范围内。

    Treatment of Air to a Catalyst Regenerator to Maintain Catalyst Activity
    6.
    发明申请
    Treatment of Air to a Catalyst Regenerator to Maintain Catalyst Activity 有权
    处理催化剂再生器中的空气以维持催化剂活性

    公开(公告)号:US20070207915A1

    公开(公告)日:2007-09-06

    申请号:US11681456

    申请日:2007-03-02

    申请人: Peter Pujado

    发明人: Peter Pujado

    IPC分类号: B01J20/34

    摘要: The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalyst composition, wherein the air feed to the catalyst regenerator is free of or substantially free of metal salts. The air feed is preferably purified by passage through a rotary adsorbent contactor or adsorbent wheel.

    摘要翻译: 本发明涉及使用分子筛催化剂组合物制备烯烃的转化方法。 更具体地,本发明涉及在分子筛催化剂组合物存在下转化含有氧化合物的原料的方法,其中向催化剂再生器的空气进料不含或基本上不含金属盐。 空气进料优选通过通过旋转吸附剂接触器或吸附轮来净化。

    Method of regenerating honeycomb type SCR catalyst by air lift loop reactor
    9.
    发明申请
    Method of regenerating honeycomb type SCR catalyst by air lift loop reactor 有权
    通过气举回路反应器再生蜂窝型SCR催化剂的方法

    公开(公告)号:US20060094587A1

    公开(公告)日:2006-05-04

    申请号:US11262159

    申请日:2005-10-28

    IPC分类号: B01J38/60

    摘要: Provided is a method of regenerating a honeycomb type SCR catalyst which is used in selective catalytic reduction (SCR), comprising treating a waste honeycomb type SCR catalyst used in an industrial boiler with a mixed solution containing 0.1 M to 1.0 M H2SO4, 0.005 M to 0.1 M NH4VO3 and 0.005 M to 0.1 M 5(NH4)2O•12WO3•5H2O in an air lift loop reactor.

    摘要翻译: 本发明提供一种再生用于选择性催化还原(SCR)的蜂窝型SCR催化剂的方法,其特征在于,在工业锅炉中使用含有0.1M〜1.0MH 2 0.005至0.1M NH 4 VO 3 3和0.005M至0.1M 5(NH 4)3 SO 3, /SUB> )2O.12WO3.5H2O在空气提升环路反应器中。