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| 1 | 吸附剂对含湿油气的吸附性能及热效应显示文摘随着有机废气排放标准日趋严格,水蒸气与有机废气的竞争吸附问题逐渐成为有机废气处理的研究热点。选择2种炭基吸附剂AdsFOV-1、AdsFOV-2及1种硅基吸附剂AdsFOV-3作为研究对象,对其进行结构表征后使其分别静态吸附正己烷蒸气、汽油蒸气和水蒸气,测试其吸附性能和吸附热;对不同相对湿度的正己烷蒸气和汽油蒸气进行动态吸附实验,研究相对湿度对吸附剂吸附效果、温升曲线的影响及循环吸附稳定性,并通过动力学拟合判断吸附过程的动力学行为。结果表明:随着相对湿度增大,3种吸附剂对正己烷蒸气、汽油蒸气的吸附量减小,但吸附热效应更加明显;其中炭基吸附剂AdsFOV-1、AdsFOV-2具有较好的循环吸附性能,即当入口吸附质质量浓度设定为25 g/m^(3)时,出口吸附质质量浓度可满足低于80 mg/m^(3)的排放要求;3种吸附剂对正己烷蒸气的吸附动力学行为遵守Bangham动力学方程,表明吸附速率主要受孔道扩散控制。研究结果可为高湿度工业有机废气处理提供理论依据。 | 田素俊 黄维秋 鄢永兵 黄顺林 朱嘉慧 李曼林 娄井杰 刘海 | 2022 | 油气储运2022，41，8： | 1 |
| 2 | Development of a hybrid photo-bioreactor and nanoparticle adsorbent system for the removal of CO2,and selected organic and metal co-pollutants显示文摘Fossil fuel combustion and many industrial processes generate gaseous emissions that contain a number of toxic organic pollutants and carbon dioxide(CO_2) which contribute to climate change and atmospheric pollution.There is a need for green and sustainable solutions to remove air pollutants,as opposed to conventional techniques which can be expensive,consume additional energy and generate further waste.We developed a novel integrated bioreactor combined with recyclable iron oxide nano/micro-particle adsorption interfaces,to remove CO_2,and undesired organic air pollutants using natural particles,while generating oxygen.This semi-continuous bench-scale photo-bioreactor was shown to successfully clean up simulated emission streams of up to 45% CO_2 with a conversion rate of approximately 4%CO_2 per hour,generating a steady supply of oxygen(6 mmol/hr),while nanoparticles effectively remove several undesired organic by-products.We also showed algal waste of the bioreactor can be used for mercury remediation.We estimated the potential CO_2 emissions that could be captured from our new method for three industrial cases in which,coal,oil and natural gas were used.With a 30% carbon capture system,the reduction of CO_2 was estimated to decrease by about 420,000,320,000 and 240,000 metric tonnes,respectively for a typical 500 MW power plant.The cost analysis we conducted showed potential to scale-up,and the entire system is recyclable and sustainable.We further discuss the implications of usage of this complete system,or as individual units,that could provide a hybrid option to existing industrial setups. | Andrea A.Rocha Christian Wilde Zhenzhong Hu Oleg Nepotchatykh Yevgen Nazarenko Parisa A.Ariya | 2017 | Journal of Environmental Sciences2017，29，7： | 0 |
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