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公开(公告)号：US20190300429A1
公开(公告)日：2019-10-03
申请号：US16289379
申请日：2017-08-07
申请人： ECOLAB USA INC.
摘要： Additives including sulfur-containing compounds are used in methods of treating synthetic gypsum. The additives can thermally stabilize heavy metals, such as mercury. This thermal stabilization reduces mercury release from the synthetic gypsum. Illustrative, non-limiting examples of sulfur-containing compounds include inorganic sulfides, organic sulfides, organic compounds containing nitrogen and sulfur, organic compounds containing oxygen and sulfur, and polymers containing sulfur.
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公开(公告)号：US10173225B2
公开(公告)日：2019-01-08
申请号：US15627167
申请日：2017-06-19
申请人： Ecolab USA Inc.
摘要： A process of treating a gas stream containing at least one mercury compound or species, the process comprising: applying a composition into said gas stream ahead of a particulate matter collection device, wherein said composition contains a compound having the following formula (SiO2)x(OH)yMzSaF, wherein (i) SiO2 is an optional component; (ii) M comprises at least one of the following metal or metalloid cations: boron, magnesium, aluminum, calcium, titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, palladium, silver, cadmium, tin, platinum, gold, and bismuth; (iii) S comprises a sulfur-based species selected from at least one of the following: sulfide salts, dithiocarbamates, polymer-based dithiocarbamates, and polysulfide salts; (iii) F is an optional component and if present comprises at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane, and an alkyl-containing organosilane at a surface area coverage of 0.01-100%; (iv) the molar ratio of y/x is equal to about 0.01 to about 0.5 and the molar ratio of x/z is equal to about 0.1 to about 300 if SiO2 is present, and if SiO2 is absent X is 0 and Z is 1; and (v) the molar ratio of a/z is about 0.5 to about 5.
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公开(公告)号：US20140246333A1
公开(公告)日：2014-09-04
申请号：US13784119
申请日：2013-03-04
申请人： ECOLAB USA INC.
IPC分类号： B01D19/00
CPC分类号： B01D53/14 , B01D53/1425 , B01D53/504 , B01D2257/602 , B01D2258/0283 , C08F220/06 , C08G73/02
摘要： Disclosed herein are methods for controlling mercury emissions, and more particularly, to methods for controlling mercury re-emissions from a wet flue gas desulfurizer by using applied electrochemical potential.
摘要翻译： 本文公开了用于控制汞排放的方法，更具体地，涉及通过使用应用的电化学电势来控制来自湿式烟道气脱硫剂的汞再排放的方法。
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公开(公告)号：US11285439B2
公开(公告)日：2022-03-29
申请号：US16156477
申请日：2018-10-10
申请人： ECOLAB USA INC.
IPC分类号： B01D53/64 , A61L2/20 , A61L101/20 , A61L101/36 , B01D53/78 , B01D53/50
摘要： A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or other off-gases with the use of peracetic acid is disclosed. The peracetic acid is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system or scrubber. The method uses peracetic acid in conjunction with a scrubber to capture mercury and lower its emission and/or re-emission with stack gases. The method allows the use of coal as a cleaner and environmentally friendlier fuel source as well as capturing mercury from other processing systems.
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公开(公告)号：US10676376B2
公开(公告)日：2020-06-09
申请号：US15703028
申请日：2017-09-13
申请人： ECOLAB USA INC.
IPC分类号： C02F1/42 , B01J20/02 , C02F1/28 , C02F1/70 , C02F101/10 , C02F101/16 , C02F101/20
摘要： Methods of modification of zero-valent iron (ZVI) to improve its performance in removing contaminants from a discharge stream. In some aspects, the methods include contacting ZVI-impregnated disks with solutions containing metal cations such as Ni2+, Cu2+, Fe2+, or Pd2+. In some aspects, a wastewater stream is treated with a metal cation solution, then passed over ZVI. Compositions for treating wastewater include ZVI that is modified with a metal cation solution.
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公开(公告)号：US20190039019A1
公开(公告)日：2019-02-07
申请号：US16156477
申请日：2018-10-10
申请人： ECOLAB USA INC.
IPC分类号： B01D53/64
摘要： A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or other off-gases with the use of peracetic acid is disclosed. The peracetic acid is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system or scrubber. The method uses peracetic acid in conjunction with a scrubber to capture mercury and lower its emission and/or re-emission with stack gases. The method allows the use of coal as a cleaner and environmentally friendlier fuel source as well as capturing mercury from other processing systems.
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公开(公告)号：US09764280B2
公开(公告)日：2017-09-19
申请号：US15241207
申请日：2016-08-19
申请人： ECOLAB USA Inc.
CPC分类号： B01D53/64 , B01D53/1493 , B01D53/78 , B01D53/80 , B01D2251/108 , B01D2251/304 , B01D2251/404 , B01D2251/50 , B01D2257/602 , B01D2258/0233 , B01D2258/025 , B01D2258/0283 , B01D2258/0291 , F23J15/04 , F23J2215/60 , F23J2219/40
摘要： A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or other off-gases with the use of hypobromite is disclosed. The hypobromite is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system or scrubber. The method uses hypobromite in conjunction with a scrubber to capture mercury and lower its emission and/or re-emission with stack gases. The method allows the use of coal as a cleaner and environmentally friendlier fuel source as well as capturing mercury from other processing systems.
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8.发明申请公开(公告)号：US20170050147A1
公开(公告)日：2017-02-23
申请号：US15241304
申请日：2016-08-19
申请人： ECOLAB USA Inc.
CPC分类号： B01D53/64 , B01D53/502 , B01D53/78 , B01D2251/108 , B01D2251/304 , B01D2251/306 , B01D2251/404 , B01D2257/602 , B01D2258/0283
摘要： A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or off-gases having mercury with the use of hypoiodite is disclosed. The hypoiodite is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system or scrubber. The method uses hypoiodite in conjunction with a scrubber to capture mercury and lower its emission and/or re-emission with stack gases. The method allows the use of coal as a cleaner and environmentally friendlier fuel source as well as capturing mercury from other processing systems.
摘要翻译： 公开了一种减少和防止使用次碘酸盐从具有汞的燃烧的化石燃料或废气中排放到环境中的汞的方法。 次碘酸盐用于使用烟道气脱硫系统或洗涤器从所得烟道气中捕获汞。 该方法使用次碘酸盐与洗涤器结合捕获汞并降低其排放和/或用烟气再排放。 该方法允许使用煤作为更清洁和更环保的燃料来源以及从其他处理系统捕获汞。
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公开(公告)号：US10569221B2
公开(公告)日：2020-02-25
申请号：US15241304
申请日：2016-08-19
申请人： ECOLAB USA Inc.
摘要： A method for the reduction and prevention of mercury emissions into the environment from combusted fossil fuels or off-gases having mercury with the use of hypoiodite is disclosed. The hypoiodite is used for the capture of mercury from the resulting flue gases using a flue gas desulfurization system or scrubber. The method uses hypoiodite in conjunction with a scrubber to capture mercury and lower its emission and/or re-emission with stack gases. The method allows the use of coal as a cleaner and environmentally friendlier fuel source as well as capturing mercury from other processing systems.
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公开(公告)号：US09023302B2
公开(公告)日：2015-05-05
申请号：US14202745
申请日：2014-03-10
申请人： Ecolab USA Inc.
发明人： Bruce A. Keiser , Richard Mimna , Nicholas S. Ergang , Robert W. Dorner , Jianwei Yuan , Hung-Ting Chen
IPC分类号： B01D53/64
CPC分类号： B01D53/64 , B01D53/78 , B01D53/79 , B01D2251/10 , B01D2252/2056 , B01D2257/602 , B01D2258/0283 , F23J15/04 , F23J2215/60 , F23J2219/40
摘要： Methods for facilitating the removal of mercury from flue gases by converting elemental mercury to oxidized mercury and subsequently capturing the oxidized mercury. In one aspect, a method of removing mercury from a mercury-containing flue gas may include the steps of introducing into the flue gas a sulfide source in an effective amount to convert elemental mercury to gaseous oxidized mercury and then capturing the gaseous oxidized mercury.
摘要翻译： 通过将元素汞转化为氧化汞并随后捕获氧化汞来促进从烟道气中去除汞的方法。 一方面，从含汞烟道气中去除汞的方法可包括以下步骤：将有效量的硫化物源引入烟道气中，以将元素汞转化为气态氧化汞，然后捕获气态氧化汞。
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