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公开(公告)号：US20220152578A1
公开(公告)日：2022-05-19
申请号：US17486482
申请日：2021-09-27
摘要： An activated carbon sorbent composition comprising activated carbon and a passivation agent, wherein the activated carbon sorbent composition exhibits reduced self-heating or auto-ignition properties as compared to the activated carbon. The activated carbon sorbent composition may be utilized to sequester contaminants such as mercury from a flue gas stream. The passivation agent includes a sulfur species, and may be a sulfur oxide compound, a sulfide compound, or an organic sulfur compound. Methods for the manufacture of the activated carbon sorbent composition and for the sequestration of contaminants in a flue gas stream using the composition are also disclosed.
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公开(公告)号：US20200269186A1
公开(公告)日：2020-08-27
申请号：US15930145
申请日：2020-05-12
发明人： Mowen Li , Robert B. Huston , Joseph M. Wong
摘要： Sorbent compositions, comprising a solid sorbent, a dispersive agent, and optionally a capture agent for enhanced wet-Flue Gas Desulfurization (wFGD) or wet scrubber unit function in a flue gas pollutant control stream is disclosed. The sorbent composition may include a sorbent with a dispersive agent, designed to enhance the dispersion of the sorbent in an aqueous sorption liquid of a wet scrubber unit, and therefore may be especially useful in EGU or industrial boiler flue gas streams that include one or more wet scrubber units. The sorbent composition may also include a capture agent useful in sequestering mercury and bromine, as well as other contaminants that may include arsenic, selenium and nitrates.
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3.发明申请公开(公告)号：US20180029006A1
公开(公告)日：2018-02-01
申请号：US15729347
申请日：2017-10-10
CPC分类号： B01J20/02 , B01D53/025 , B01D53/10 , B01D53/64 , B01D53/83 , B01D2251/108 , B01D2253/102 , B01D2257/602 , B01D2258/0283 , B01J20/20 , B01J20/28016 , B01J20/28061 , B01J20/28071 , B01J20/3204 , B01J20/3234 , B01J20/3293
摘要： Methods for the manufacture of sorbent compositions, sorbent compositions and methods for using the sorbent compositions. The methods include the utilization of an acidic halogen solution as a source of a halogen species that is dispersed on a solid sorbent. The use of the acidic halogen solution results in a highly active halogen species that demonstrates improved efficacy for the removal of heavy metal(s) from a flue gas. The sorbent composition includes a substantially amorphous halogen species associated with a solid sorbent such as powdered activated carbon (PAC).
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公开(公告)号：US20180028963A1
公开(公告)日：2018-02-01
申请号：US15729272
申请日：2017-10-10
发明人： Mowen Li , Robert B. Huston , Joseph M. Wong
摘要： Sorbent compositions, comprising a solid sorbent, a dispersive agent, and optionally a capture agent for enhanced wet-Flue Gas Desulfurization (wFGD) or wet scrubber unit function in a flue gas pollutant control stream is disclosed. The sorbent composition may include a sorbent with a dispersive agent, designed to enhance the dispersion of the sorbent in an aqueous sorption liquid of a wet scrubber unit, and therefore may be especially useful in EGU or industrial boiler flue gas streams that include one or more wet scrubber units. The sorbent composition may also include a capture agent useful in sequestering mercury and bromine, as well as other contaminants that may include arsenic, selenium and nitrates.
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5.发明申请METHOD FOR TREATING A FLUE GAS STREAM WITH A SORBENT COMPOSITION HAVING PNEUMATIC CONVEYANCE CAPABILITIES 有权用具有气动输送能力的吸附组合物处理烟气流的方法公开(公告)号：US20160220945A1
公开(公告)日：2016-08-04
申请号：US15093930
申请日：2016-04-08
IPC分类号： B01D53/10
CPC分类号： B01D53/10 , B01D53/64 , B01D53/83 , B01D2253/102 , B01D2253/304 , B01D2257/504 , B01D2257/602 , B01J20/20 , B01J20/28004
摘要： Sorbent compositions including sorbent particles of a small particle sized sorbent with increased pneumatic conveyance properties. The sorbent compositions have relatively small median particle size and have a controlled particle size distribution (PSD). Specifically, the sorbent compositions include a relatively small percentage of very fine particles, such as a small percentage of particles having a particle size of not greater than about 5 μm. The sorbent compositions are particularly useful for the treatment of a flue gas stream to remove mercury from the flue gas stream.
摘要翻译： 吸附剂组合物包括具有增加的气动输送性能的小粒径吸附剂的吸附剂颗粒。 吸附剂组合物具有相对小的中值粒度并且具有受控的粒度分布（PSD）。 具体地，吸附剂组合物包括相对小百分比的非常细的颗粒，例如粒径不大于约5μm的小百分比的颗粒。 吸附剂组合物特别可用于处理烟道气流以从烟道气流中除去汞。
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公开(公告)号：US20240116023A1
公开(公告)日：2024-04-11
申请号：US18459921
申请日：2023-09-01
发明人： Micala Mitchek , Joseph M. Wong , Robert Huston , Fred Cannon , David Park , Lingyan Song , Mowen Li
CPC分类号： B01J20/20 , B01J20/22 , B01J20/28059 , B01J20/28071 , B01J2220/46
摘要： The present disclosure is directed to a multi-functional composition including activated carbon that is useful for injection into aqueous mediums such as soil or groundwater for sequestration of contaminants in a contaminated plume. The composition of activated carbon may include physical and chemical properties to enhance mechanism of contaminant physisorption and chemisorption including enhanced adsorption kinetics through manipulation of particle surface area, enhanced capacity and selectivity through controlled pore size distribution and enhanced electrostatic and hydrophobic interactions with contaminants. The multi-functional composition may further include a positively-charged nitrogen-functionalized organic compound and/or moieties that improve the activated carbon's ability to sequester contaminants in a subsurface environment.
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公开(公告)号：US11819821B2
公开(公告)日：2023-11-21
申请号：US17486482
申请日：2021-09-27
IPC分类号： C01B32/30 , B01J20/20 , B01J20/28 , B01J20/32 , B01D53/02 , B01J20/02 , B01J20/04 , B01D53/64
CPC分类号： B01J20/20 , B01D53/02 , B01D53/64 , B01J20/0266 , B01J20/0281 , B01J20/045 , B01J20/046 , B01J20/28004 , B01J20/28011 , B01J20/28016 , B01J20/28071 , B01J20/3204 , B01J20/3234 , B01J20/3236 , C01B32/30 , B01D2253/102 , B01D2253/25 , B01D2258/0283
摘要： An activated carbon sorbent composition comprising activated carbon and a passivation agent, wherein the activated carbon sorbent composition exhibits reduced self-heating or auto-ignition properties as compared to the activated carbon. The activated carbon sorbent composition may be utilized to sequester contaminants such as mercury from a flue gas stream. The passivation agent includes a sulfur species, and may be a sulfur oxide compound, a sulfide compound, or an organic sulfur compound. Methods for the manufacture of the activated carbon sorbent composition and for the sequestration of contaminants in a flue gas stream using the composition are also disclosed.
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公开(公告)号：US20230041369A1
公开(公告)日：2023-02-09
申请号：US17967462
申请日：2022-10-17
发明人： Roger H. Cayton , Mowen Li , Micala D. Mitchek , Lingyan Song
摘要： A sorbent composition for the sequestration of mercury from a gas stream, a method for sequestering mercury from a gas stream and a method for the manufacture of a sorbent composition. The sorbent composition includes a highly porous particulate sorbent and at least two additive components, namely a non-halogen metal compound comprising a metal cation and an inorganic sulfur-containing compound, where at least a portion of the sulfur in the sulfur-containing compound has an oxidation state of equal to or less than +4. The method includes injecting the highly porous particulate sorbent and the two additive components into a gas stream, either discretely or as a single sorbent composition, to sequester mercury in the particulate sorbent. The method has a high degree of efficacy for mercury removal without requiring the addition of halogens to the gas stream.
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公开(公告)号：US11491434B2
公开(公告)日：2022-11-08
申请号：US16418975
申请日：2019-05-21
发明人： Roger H. Cayton , Mowen Li , Micala D. Mitchek , Lingyan Song
摘要： A sorbent composition for the sequestration of mercury from a gas stream, a method for sequestering mercury from a gas stream and a method for the manufacture of a sorbent composition. The sorbent composition includes a highly porous particulate sorbent and at least two additive components, namely a non-halogen metal compound comprising a metal cation and an inorganic sulfur-containing compound, where at least a portion of the sulfur in the sulfur-containing compound has an oxidation state of equal to or less than +4. The method includes injecting the highly porous particulate sorbent and the two additive components into a gas stream, either discretely or as a single sorbent composition, to sequester mercury in the particulate sorbent. The method has a high degree of efficacy for mercury removal without requiring the addition of halogens to the gas stream.
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公开(公告)号：US11148120B2
公开(公告)日：2021-10-19
申请号：US15729392
申请日：2017-10-10
摘要： An activated carbon sorbent composition comprising activated carbon and a passivation agent, wherein the activated carbon sorbent composition exhibits reduced self-heating or auto-ignition properties as compared to the activated carbon. The activated carbon sorbent composition may be utilized to sequester contaminants such as mercury from a flue gas stream. The passivation agent includes a sulfur species, and may be a sulfur oxide compound, a sulfide compound, or an organic sulfur compound. Methods for the manufacture of the activated carbon sorbent composition and for the sequestration of contaminants in a flue gas stream using the composition are also disclosed.
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