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The catalytic effect of both oxygen-bearing functional group and ash in carbonaceous catalyst on CH 4-CO 2 reforming

Weidong ZHANG, Yongfa ZHANG,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 2, Pages 147-152 doi: 10.1007/s11705-009-0242-1

Abstract: It has been found that the carbonaceous catalyst is an efficient catalyst on CO-CH reforming.The oxygen-bearing functional groups play a significant role in the carbonaceous-catalyzed CO-CH reforming; the ash components in carbonaceous catalyst also have an important influence on the CO-CH reformingFeO, NaCO, and KCO in the ash can catalyze the CO-CH reforming reaction; CaO has little effect on CO-CHCaO can catalyze the gasification between carbonaceous catalyst and CO; AlO and MgO inhibit the CO-CH

Keywords： oxygen-bearing functional carboxyl phenolic hydroxyl CH-CO reformation CO-CH reforming

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Ni-Co bimetallic catalyst for CH

Xiaohong LI, Jun AI, Wenying LI, Dongxiong LI

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 476-480 doi: 10.1007/s11705-010-0512-y

Abstract: A co-precipitation method was employed to prepare Ni/Al O -ZrO , Co/Al O -ZrO and Ni-Co/Al O -ZrO catalysts-TPD), and temperature-programmed surface reaction (CH -TPSR and CO -TPSR).sites (C+ CO = 2CO) for the methane-reforming reaction, and a more appropriate force formed betweenAccording to the CH -CO -TPSR, there were 80.9% and 81.5% higher CH and CO conversion over Ni-Co/AlO -ZrO catalyst, and its better resistance to carbon deposition, less than 0.5% of coke after 4 h reaction

Keywords： Ni-Co bimetallic catalyst composite support CH₄ reforming with CO₂

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Effect of carbon deposition over carbonaceous catalysts on CH

Yongfa ZHANG, Meng ZHANG, Guojie ZHANG, Huirong ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4, Pages 481-485 doi: 10.1007/s11705-010-0523-8

Abstract: bed reactor to understand the influence of carbon deposition obtained under different conditions on CH-CO reforming.-CO reforming.The carbon deposition Type I generated at 900°C has a minor effect on CH -CO reforming and it easily-CO reforming and it is difficult to react with carbon dioxide.

Keywords： carbon deposition carbonaceous catalyst CH₄-CO₂ reforming

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Design and analysis of dual fuel methanol-power poly-generation

Minghua WANG , Zheng LI , Weidou NI ,

Frontiers in Energy 2009, Volume 3, Issue 3, Pages 341-347 doi: 10.1007/s11708-009-0023-z

Abstract: A dual fuel head poly-generation flowsheet was designed based on coal gas and coke oven gas. To help clearly understand the system performance, a 1.2×10−3.2×10kg methanol and 274―496MW power poly-generation system was simulated by using the commercially available software ASPEN Plus and GT Pro. The technology scheme, the operating parameters, and the efficiency of the system were also analyzed and evaluated, which will be used for building industrial devices.

Keywords： dual fuel methanol-power poly-generation CO₂ and CH₄ reforming splitting ratio

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Technology System of Offshore Carbon Capture, Utilization, and Storage

Li Jianghui, Li Pengchun, Li Yanzun, Tong Feng

Strategic Study of CAE 2023, Volume 25, Issue 2, Pages 173-186 doi: 10.15302/J-SSCAE-2023.07.015

Abstract: engineering solution and technical system developed by coastal countries or regions to reduce carbon dioxide (CO₂) emissions.Offshore CCUS comprises capturing CO₂ from large coastal or offshore carbon emission sources₂ plant capture, CO₂ pipeline transportation, CO₂ storage in the deepsaline aquifer and for petroleum displacement, CO₂ chemical utilization, and several other

Keywords： offshore carbon capture utilization and storage CO2 capture CO2 transport CO2 storage CO2 utilization

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Development of Direct Utilization Technology for CO2-Rich Natural Gas in South China Sea

Wu Qing, Yu Guangxin, Tang Xiaoling, Zhang Liangliang, Zheng Yuguo

Strategic Study of CAE 2021, Volume 23, Issue 4, Pages 172-181 doi: 10.15302/J-SSCAE-2021.04.020

Abstract: The efficient development and precise utilization of CO₂-rich natural gas resources in theSubsequently, we focus on several key technologies and their application, including CO₂-CH₄ dry reforming, integration of CO₂-rich natural gas to methanol, liquid fuel productionthrough CO₂ hydrogenation, and direct production of fine chemicals.be strengthened, an engineering platform for the comprehensive utilization of marine CO₂-

Keywords： South China Sea CO2-rich natural gas dry reforming CO2 hydrogenation liquid fuel fine chemicals

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Frontier science and challenges on offshore carbon storage

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 7, doi: 10.1007/s11783-023-1680-6

Abstract:

● The main direct seal up carbon options and challenges are reviewed.

Keywords： Offshore carbon storage Direct CO₂ injection CO₂-CH₄ replacement CO₂-EOR CCS hubs CO₂ transport

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Review on cryogenic technologies for CO removal from natural gas

Yujing BI, Yonglin JU

Frontiers in Energy 2022, Volume 16, Issue 5, Pages 793-811 doi: 10.1007/s11708-022-0821-0

Abstract: CO₂ in natural gas (NG) is prone to condense directly from gas to solid or solidify from liquidMeanwhile, CO₂ will also affect the calorific value of NG.Based on the above reasons, CO₂ must be removed during the NG liquefaction process.In this paper, the phase behavior of the CH₄-CO₂ binary mixture is summarized,which provides a basis for the process design of cryogenic CO₂ removal from NG.

Keywords： cryogenic CO₂ removal purification of natural gas (NG) biogas upgrading CH₄-CO₂ binary system

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Newly-modeled graphene-based ternary nanocomposite for the magnetophotocatalytic reduction of CO2 with

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 10, Pages 1438-1459 doi: 10.1007/s11705-022-2166-y

Abstract: The development of CO₂ into hydrocarbon fuels has emerged as a green method that could helpelectrons to the surface for the chemical reaction of CO₂ reduction.its catalytic activity toward the selective evolution of CO₂.Among all tested nanocomposites, AgCuZnS₂–graphene–TiO₂ absorbed the CO₂ most strongly and showed the best ability to transfer the electron to reduce the CO₂

Keywords： ternary nanocomposite photocatalytic electrochemical CO₂ reduction UV-light magnetic core

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Tuning porosity of coal-derived activated carbons for CO2 adsorption

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9, Pages 1345-1354 doi: 10.1007/s11705-022-2155-1

Abstract: ₂ adsorption performance.Specifically, the method involved the variation of the activation temperature in a K₂COCO₂ adsorption isotherms revealed that the microporous activated carbon has the highest measuredCO₂ adsorption capacity (6.0 mmol∙g^–1 at 0 °C and 4.1 mmol∙g^–1 at 25The adsorption experiments on the activated carbons established the criterion for designing CO_2<

Keywords： coal-derived activated carbons porosity CO₂ adsorption molecular dynamics

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Impacts of CO2 and H2S on the risk of hydrate formation during pipeline transport of natural gas

Solomon A. Aromada, Bjørn Kvamme

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3, Pages 616-627 doi: 10.1007/s11705-019-1795-2

Abstract: The impacts of CO and H S in natural gas on the maximum mole-fractions of water that can be toleratedTroll gas from the North Sea is used as a reference case, it contains very negligible amount of CO andVarying mole-fractions of CO and H S were introduced into the Troll gas, and the effects these inorganicIt is observed that CO does not cause any distinguishable impact on water tolerance of the system, but

Keywords： hydrate hydrogen Sulphide CO₂ dew point pipeline

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Effect of TiO

Navid Azizi, Mojgan Isanejad, Toraj Mohammadi, Reza M. Behbahani

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3, Pages 517-530 doi: 10.1007/s11705-018-1781-0

Abstract: The effects of the titanium dioxide nanoparticle load on the morphology and CO /CH separation performanceThe incorporation of TiO nanoparticles into the polymeric MMMs improved the CO /CH gas separation performanceThe CO permeability and ideal CO /CH selectivity values of the nanocomposite membrane loaded with 8

Keywords： mixed matrix membrane TiO₂ nanoparticles PEBAX-1657 CO₂/CH₄ separation

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Liu Gongping: Design and Preparation of Mixed Matrix Membrane for CO2 Capture (2022-4-16)

9 Jun 2022

Keywords：绿色化工

Complete oxidation of methane on CoO-SnO catalysts

Xingfu TANG , Jiming HAO , Junhua LI ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3, Pages 265-270 doi: 10.1007/s11783-009-0019-2

Abstract: CoO-SnO hybrid oxides were prepared by the coprecipitation method and were used to oxidate methane (CHThe CoO-SnO with a molar ratio of Co/(Co+Sn) at 0.75 exhibited the highest catalytic activity among allExperimental results showed that the catalysts were considerably stable in the CH combustion reaction

Keywords： Co₃O₄-SnO₂ complete oxidation methane (CH₄)

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Greenhouse gas emissions during co-composting of cattle feedlot manure with construction and demolition

Xiying Hao, Francis J. Larney

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0955-1

Abstract: The CK and DG manures were co-composted with (4:1) C&D waste (treatments: CK_CD DG_CD), composted aloneComposting with C&D waste produced similar CO emissions, about double that from manure stockpiling (In contrast, CH emissions were reduced by the inclusion of C&D waste (64 gC·m with C&D vs. 244 gC·mwithout C&D) while the manure stockpile emitted the greatest amount of CH (464 gC·m ).Additionally, only 0.48% of C was emitted in CH form with C&D waste, compared to 1.68% when composting

Keywords： Livestock manure greenhouse gas flux straw bale compost bin N₂O CH₄ CO₂