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BiOCl/聚苯胺的制备及其光催化降解罗丹明B性能
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作者 张霞 白羽石 +4 位作者 常熙 张晗 张灏昱 彭利满 黄姝姝 《无机化学学报》 北大核心 2025年第5期913-922,共10页
采用原位聚合法制备了氯氧化铋(BiOCl)与聚苯胺(PANI)复合的Ⅱ型异质结光催化剂BiOCl/PANI,并采用X射线衍射(XRD)、傅里叶变换红外光谱(FTIR)、透射电子显微镜(TEM)、X射线光电子能谱(XPS)、紫外可见漫反射光谱(UV-Vis DRS)和N_(2)吸附... 采用原位聚合法制备了氯氧化铋(BiOCl)与聚苯胺(PANI)复合的Ⅱ型异质结光催化剂BiOCl/PANI,并采用X射线衍射(XRD)、傅里叶变换红外光谱(FTIR)、透射电子显微镜(TEM)、X射线光电子能谱(XPS)、紫外可见漫反射光谱(UV-Vis DRS)和N_(2)吸附-脱附测试等多种技术手段对其进行了表征,考察了BiOCl/PANI在模拟可见光下对罗丹明B(RhB)的光催化降解性能。实验结果表明:BiOCl/PANI催化剂比PANI和BiOCl具有更高的光催化活性,在RhB质量浓度为50 mg·L^(-1)、PANI与BiOCl的物质的量之比为0.02:1、50 mg·L^(-1)的催化剂条件下,所制备的BiOCl/PANI光催化150 min后,RhB降解率为98.8%,速率常数为0.031 min^(-1);经过4次循环实验后,RhB降解率从98.8%降低至98.4%,表现出良好的稳定性和可重复利用性。光催化剂BiOCl/PANI实现了电子和空穴对的快速分离,降低了二者在催化剂内部的复合速率,提高了光催化性能。 展开更多
关键词 光催化 Ⅱ型异质结 BiOCl/聚苯胺 罗丹明B
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钙钛矿型LaFeO_(3)在光催化领域的应用进展
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作者 张霞 张灏昱 +2 位作者 张晗 彭利满 黄姝姝 《印染》 CAS 北大核心 2024年第5期96-101,105,共7页
光催化技术具有能耗低、反应条件温和、操作方便的优点,已广泛应用在各个领域,对缓解能源危机和环境污染方面显示出巨大的潜力。在不同的纳米材料中,钙钛矿型LaFeO(3 LFO)由于具有丰富的高稳定性组成和结构灵活性、高电催化活性、高效... 光催化技术具有能耗低、反应条件温和、操作方便的优点,已广泛应用在各个领域,对缓解能源危机和环境污染方面显示出巨大的潜力。在不同的纳米材料中,钙钛矿型LaFeO(3 LFO)由于具有丰富的高稳定性组成和结构灵活性、高电催化活性、高效的阳光吸收、可调的带隙和带边,得到了广泛的研究。综述了钙钛矿化合物LFO材料在光催化领域的一些研究进展,如有机污染物降解、光解水制氢、二氧化碳还原、抗菌以及空气净化等。同时,对钙钛矿型LFO复合材料光催化剂的前景进行了展望。 展开更多
关键词 光催化剂 钙钛矿型LaFeO_(3) 纳米材料
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Analysis on the Function of Soil and Water Conservation in Ecological Environment Protection
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作者 NIE Baoxin LIU Wei peng liman 《外文科技期刊数据库(文摘版)自然科学》 2021年第9期005-007,共5页
The role of water and soil conservation in ecological environment protection cannot be ignored. The loss of water and soil resources in the new era has certain impact on the ecological environment and residents' l... The role of water and soil conservation in ecological environment protection cannot be ignored. The loss of water and soil resources in the new era has certain impact on the ecological environment and residents' life safety. It is of practical significance to do a good job in water and soil conservation. This paper discusses the function and specific measures of soil and water conservation. 展开更多
关键词 soil and water conservation environmental protection ecological environment soil and water loss
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The Harm and Prevention Management of Air Pollution in Environmental Engineering
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作者 LIU Wei peng liman LI Shuangshuang 《外文科技期刊数据库(文摘版)自然科学》 2021年第8期026-028,共5页
The existence of air pollution is an important problem that threatens the harmonious and stable development of society and the physical quality of residents. The harm of air pollution cannot be ignored. We also need t... The existence of air pollution is an important problem that threatens the harmonious and stable development of society and the physical quality of residents. The harm of air pollution cannot be ignored. We also need to do a good job in the prevention and control of air pollution. The following article discusses the harm and prevention management of air pollution in environmental engineering. 展开更多
关键词 environmental engineering air pollution pollution hazards prevention and control management
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Analysis on the Present Situation of Urban Water Pollution and Its Control Strategies
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作者 peng liman LI Shuangshuang LIU Wei 《外文科技期刊数据库(文摘版)自然科学》 2021年第9期055-057,共5页
The development of sewage treatment is of great significance to the improvement of urban environmental engineering construction. The existence of sewage problems in the new era threatens human life safety and is not c... The development of sewage treatment is of great significance to the improvement of urban environmental engineering construction. The existence of sewage problems in the new era threatens human life safety and is not conducive to the realization of sustainable development goals. This paper puts forward some suggestions on how to deal with water pollution in environmental protection. 展开更多
关键词 water pollution pollution status water pollution treatment sewage treatment
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