Unusual promotion/inhibition effect of polyethylenimine on CO2/CH4 …
2023年9月15日 · CH 4 and CO 2 hydrate phase equilibrium in the presence of polyethylenimine (PEI) were presented. Induction time was measured to identify the kinetic effect of PEI on the hydrate formation. PEI kinetically inhibits CH 4 hydrate formation but promotes CO 2 …
Enhanced Dynamic CO2 Adsorption Capacity and CO2/CH4 …
2015年10月8日 · Novel PEI-impregnated UiO-66 (PEI@UiO-66) composites with enhanced CO2 adsorption capacity and CO2/CH4 selectivity were synthesized and characterized. The dynamic CO2/CH4 separation performances we...
Polyethyleneimine Incorporated Metal-Organic Frameworks Adsorbent …
2013年5月17日 · Among the polyamines, polyethyleneimine (PEI) is one of the best candidates to bind CO 2 due to its high amine density and accessible primary amine sites on the chain...
Polyethylenimine-Impregnated Resin for High CO2 Adsorption: …
2013年6月28日 · Polyethylenimine (PEI)-impregnated resins with high CO 2 adsorption capacity were successfully prepared in this study. The nonpolar resin HP20 was suitable for PEI loading to achieve high CO 2 adsorption, and the optimal PEI loading was 50 wt %.
Polyethyleneimine NH2-UiO-66 nanofiller-based mixed matrix …
In this work, a high CO2-affinity MOF-based nanofiller (Pin@NH2-UiO-66) was prepared and integrated in polyetherimide (PEI) to prepare mixed matrix membranes (MMMs) for enhanced CO2/CH4 separation capabilities.
聚乙烯亚胺改性MIL 101 (Cr)及其吸附分离CH4/CO2特性 - 百度学术
采用浸渍法将聚乙烯亚胺 (PEI)负载到MIL-101 (Cr)上.采用X线衍射仪 (XRD),傅里叶变换红外光谱仪 (FT-IR),热分析仪 (TG)和N2吸附脱附对改性MIL-101 (Cr)吸附剂进行表征.测试改性MIL-101 (Cr)吸附剂在101.3 kPa,25℃条件下对CO2和CH4的吸附量,分析PEI负载量和CO2吸附量与改 …
Polyzwitterion-grafted UiO-66-PEI incorporating ... - ScienceDirect
2021年7月15日 · PEI grafting on UiO-66-NH2 can enhanced the interface morphology of MMMs. Polyzwitterion can strongly bonded water to facilitate the transport of CO 2 molecule. The PI/UiO-66-PEI@pSBMA MMM shows the optimum CO 2 /CH 4 selectivity of 60.32.
Unusual promotion/inhibition effect of polyethylenimine on CO2/CH4 …
2023年9月15日 · CH 4 and CO 2 hydrate phase equilibrium in the presence of polyethylenimine (PEI) were presented. Induction time was measured to identify the kinetic effect of PEI on the hydrate formation. PEI kinetically inhibits CH 4 hydrate formation but …
Unusual promotion/inhibition effect of polyethylenimine on CO2/CH4 …
In this study, polyethylenimine (PEI) exhibits desirable functionality that may be a candidate for environmentally benign compounds. The present work investigated PEI's thermodynamic and kinetic influence on the formation of CH4 and CO2 hydrates for two PEI concentrations (0.5 a
Tentukan PEB dan PEI dari CH 4 - Roboguru
Pembahasan memiliki 4 pasangan elektron ikatan (PEI) dan 0 pasangan elektron bebas (PEB). Jadi, memiliki 4 PEI dan 0 PEB.
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