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CO2 Capture by Adsorption on MCM-68 solid sorbent Materials

Journal of Chemistry and Chemical Engineering 2011年第4期5卷 376-382页

作者： Mukundan Devadas Balamurugan Ramalingam Ramesh Kanaparthi Ken Mendoza Michael Tasrif Paul Sharratt Institute of Chemical and Engineering Sciences 1 Pesek Road Jurong Island 627833 Singapore

solid sorbents adsorption is considered as one of the potential options for CO2 capture process. CO2 adsorption on MCM-68 （Si/AI ratio 22） sorbent material was investigated. MCM-68 was synthesized using N,N,N＇,N＇-tetraethylbicyclo [2.2.2] oct-7-ene-2,3：5,6-dipyrrolidinium diiodide （TEBOP^2＋（I^＋）2） as a structure-directing agent （SDA）. CO2 adsorption capacity on MCM-68 sorbent was measured at a broad temperature window i.e. 60 ℃, 300 ℃ and at 400 ℃. The presence of ordered mesoporous structure, high surface area （456 me/g） and high thermal stability （TGA analysis up to 900℃） in MCM-68 are thought to be to be advantageous for the CO2 adsorption in broad temperature window.

关键词： CO2 capture CO2adsorption solid sorbent MCM-68

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Pilot testing of CO_(2) capture from a coal-fired power plant-Part 1:sorbent characterization

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Clean Energy 2019年第2期3卷 144-162页

作者： Sharon Sjostrom and Constance Senior ADA-ES-Inc. 640 Plaza DriveSuite 270Highlands RanchCO 80129USA

Post-combustion CO_(2)capture followed by sequestration is one of the only feasible means to significantly reduce CO_(2)emissions from existing fossil-fuel-fired power *** paper is Part 1 of a two-part paper highlighting key results from a project sponsored by the US Department of Energy and supported by industrial groups with the objective of demonstrating the viability of solid sorbents for CO_(2)*** overall objective of the effort was to validate solid sorbent-based post-combustion CO_(2)capture through slipstream pilot testing at a coal-fired power plant using a temperature-swing adsorption *** Part 1 of this work,the results from laboratory characterization of the sorbent selected for the pilot-scale demonstration are presented.A great deal of research related to sorbent development and evaluation has occurred to date but,for the most part,these promising materials have yet to be paired with a feasible process and demonstrated at the pilot *** sorbent selected for pilot-scale evaluation under this project consisted of an ion-exchange resin that incorporated amines that were covalently bonded to the *** the sorbent characterization portion of this work,the sorbent was characterized by a range of methods intended to provide information to support the design and operation of the pilot-scale CO_(2)-capture process,including equilibrium adsorption isotherms,adsorption and regeneration kinetics,impact of moisture and oxygen on CO_(2)working capacity,sorbent thermal properties,sorbent strength and attrition,and optimum particle-size *** paper reports results from sorbent characterization testing and how these characteristics influenced the type and size of the CO_(2)-capture process *** Part 2 of this work,results from tests of 1-MWe pilot-scale process equipment loaded with the sorbent described in Part 1 will be presented and analysed.

关键词： CO_(2)capture coal-fired power plant solid sorbent temperature-swing adsorption

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Pilot testing of CO_(2) capture from a coal-fired power plant-Part 2:Results from 1-MWe pilot tests

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Clean Energy 2020年第1期4卷 12-25页

作者： Sharon Sjostrom Constance Senior ADA-ES-Inc. 640 Plaza DriveSuite 270Highlands RanchCO 80129USA

Using a 1-MWe slipstream pilot plant,solid-sorbent-based post-combustion CO_(2) capture was tested at a coal-fired power *** from pilot testing were used to develop a preliminary full-scale commercial *** sorbent selected for pilot-scale evaluation during this project consisted of an ion-exchange resin that incorporated amines covalently bonded to the substrate.A unique temperature-swing-absorption(TSA)process was developed that incorporated a three-stage fluidized-bed adsorber integrated with a single-stage fluidized-bed ***,following start-up and commissioning challenges that are often associated with first-of-a-kind pilots,the pilot plant operated as designed and expected,with a few key *** two primary exceptions were associated with:(i)handling characteristics of the sorbent,which were sufficiently different at operating temperature than at ambient temperature when design specifications were established with lab-scale testing;and(ii)CO_(2) adsorption in the transport line between the regenerator and adsorber that preloaded the sorbent with CO_(2) prior to entering the *** from the pilot programme demonstrate that solid-sorbent-based post-combustion capture can be utilized to achieve 90%CO_(2) capture from coal-fired power plants.

关键词： CO_(2)capture coal-fired power plant CCS solid sorbent temperature-swing adsorption

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