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< Page ,Total 22 >
Effects of Copper(II) Oxide on the Co-Pyrolysis of Waste Polyester Enameled Wires and Poly(vinyl chloride) SCIE
期刊论文 | 2024 , 16 (1) | POLYMERS
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Abstract :

The emission of chlorinated pollutants is one of the main problems when recovering copper (Cu) via pyrolysis from waste enameled wires. This is mainly attributed to other wastes which possess high poly(vinyl chloride) content, such as electrical wires and cables, which are often recycled together with enameled copper wires. In this research, to control the chlorinated pollutants, copper(II) oxide (CuO) was chosen and demonstrated to be an efficient dechlorinating agent, and CuO did not introduce any impurities that influence the quality of the recovered Cu. The pyrolysis and co-pyrolysis of polyester enameled wires, PVC, and CuO were investigated, and special attention was paid to chlorinated compounds in released pyrolytic products. In particular, the co-pyrolysis of this ternary mixture was studied for the first time, and some new pyrolysis behaviors were discovered. For example, the results of Py-GC/MS analyses showed that the addition of CuO removed about 75% of the chloro-organic products, the main types of which were chloroaromatic compounds rather than the more toxic chloroesters. Moreover, pyrolysis gases were collected and characterized via ion chromatography, and the results showed that the chlorine content in the pyrolysis gases decreased by about 71%. TG analysis indicated that CuO only minimally affected the pyrolysis of polyester paint. However, through the chlorine fixation effect, CuO influenced the dechlorination and dehydrochlorination of PVC, as well as secondary reactions between HCl and pyrolysis products of polyester paint, therefore changing the products and behaviors of co-pyrolysis. Mechanism of reducing chlorine-containing pollutants and reaction mechanism of forming typical pyrolysis products closely correlated to the effects of CuO were also proposed, providing theoretical guidance for the recycling of waste enameled wires.

Keyword :

polyvinyl chloride polyvinyl chloride polyester enameled wire polyester enameled wire dechlorination dechlorination co-pyrolysis co-pyrolysis copper(II) oxide copper(II) oxide

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GB/T 7714 Wang, Xiaolu , Li, Bingyi , Xia, Zhidong et al. Effects of Copper(II) Oxide on the Co-Pyrolysis of Waste Polyester Enameled Wires and Poly(vinyl chloride) [J]. | POLYMERS , 2024 , 16 (1) .
MLA Wang, Xiaolu et al. "Effects of Copper(II) Oxide on the Co-Pyrolysis of Waste Polyester Enameled Wires and Poly(vinyl chloride)" . | POLYMERS 16 . 1 (2024) .
APA Wang, Xiaolu , Li, Bingyi , Xia, Zhidong , Zhou, Wei , Wu, Yufeng , Zhu, Zhaoxi et al. Effects of Copper(II) Oxide on the Co-Pyrolysis of Waste Polyester Enameled Wires and Poly(vinyl chloride) . | POLYMERS , 2024 , 16 (1) .
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烧结钕铁硼永磁二次资源再利用技术进展
期刊论文 | 2023 , 44 (4) , 71-90 | 稀土
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Abstract :

稀土是重要的战略性资源,在国防和民用高技术领域不可替代.我国长期作为全球稀土原料的主要提供者,面临着稀土储量下降、能源消耗过度和环境破坏严重等问题.而以烧结钕铁硼永磁的工业固废和城市矿产为代表的稀土二次资源量逐年增多,且富含稀土元素,成为我国乃至世界稀土的重要来源之一.因此,烧结钕铁硼永磁二次资源再利用技术备受关注.本文介绍了烧结钕铁硼永磁二次资源的形成过程及其特性,并介绍了现有的产业化回收技术和新技术的研究与发展.

Keyword :

回收技术 回收技术 稀土永磁 稀土永磁 二次资源 二次资源 烧结钕铁硼 烧结钕铁硼

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GB/T 7714 于立超 , 丛利颖 , 路清梅 et al. 烧结钕铁硼永磁二次资源再利用技术进展 [J]. | 稀土 , 2023 , 44 (4) : 71-90 .
MLA 于立超 et al. "烧结钕铁硼永磁二次资源再利用技术进展" . | 稀土 44 . 4 (2023) : 71-90 .
APA 于立超 , 丛利颖 , 路清梅 , 吴玉锋 , 岳明 . 烧结钕铁硼永磁二次资源再利用技术进展 . | 稀土 , 2023 , 44 (4) , 71-90 .
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废线路板跨区域回收系统模拟与环境影响评价
期刊论文 | 2023 , (09) , 89-97 | 有色金属(冶炼部分)
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Abstract :

针对废线路板在收集与处置过程中,各区域存在跨地区协调性弱、处置能力不匹配等问题,使用最小距离最大流(MDMF)模型对废线路板跨区域最优流动路径及流量进行模拟,并对优化结果进行环境影响评价。结果表明:随着废线路板产生量逐年增加,根据模拟优化的跨区域回收路径,拥有典型废线路板处理技术的地区,如广东、湖北等都能达到其最大产能,且该条件下环境影响程度较小。本研究为废线路板回收系统的区域协调规划提供了理论支撑。

Keyword :

环境影响评价 环境影响评价 回收系统 回收系统 MDMF模拟 MDMF模拟 废线路板 废线路板

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GB/T 7714 牛妍 , 王乙舒 , 顾一帆 et al. 废线路板跨区域回收系统模拟与环境影响评价 [J]. | 有色金属(冶炼部分) , 2023 , (09) : 89-97 .
MLA 牛妍 et al. "废线路板跨区域回收系统模拟与环境影响评价" . | 有色金属(冶炼部分) 09 (2023) : 89-97 .
APA 牛妍 , 王乙舒 , 顾一帆 , 吴玉锋 , 王恒广 , 郭福 . 废线路板跨区域回收系统模拟与环境影响评价 . | 有色金属(冶炼部分) , 2023 , (09) , 89-97 .
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中国铜产业体系演化的碳中和实现机制研究
期刊论文 | 2023 , 15 (4) , 61-71 | 中国环境管理
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本文研究了我国铜产业采选、冶炼、加工和再生等环节的演化趋势,构建了铜产业直接碳排放—能源间接排放—其他间接排放相结合的多层级碳排放核算模型,分析了我国铜产业各环节碳排放演变规律及碳中和实现机制.结果表明:①1980-2020年我国铜精矿、精炼铜、铜加工材、再生铜产品分别增长了6.6倍、25.1倍、88.5倍、37.1倍,受碳中和目标实现对电力需求量增加的影响,预计2060年铜资源消费总量将较2020年提升62.3%,铜资源社会存量将达到3.9亿t,再生铜将于2030年超过原生铜成为主导资源类型.②2020年铜产业的碳排放总量达到2968.2万tCO2e,其中,采选环节的吨铜碳排放量最高,达到了3.4tCO2e,是第二位冶炼的2.3倍;冶炼环节的碳排放总量最大,达到铜产业的39.3%;再生环节的降碳效果突出,相较原生采选冶炼环节减少1251.2万tCO2e;进出口贸易则进一步降低了该产业43.7%的碳排放总量.③预计2060年铜产业碳排放总量将达到1499.8万tCO2e,通过促进国际贸易、循环经济、技术创新及环境市场建设等举措,可大幅降低产业的碳排放总量,其中国际贸易及循环经济情景的碳减排效果在2030年前均较显著、随后逐渐下降,技术创新及环境市场建设是该产业碳中和目标实现的根本,在2060年的减排潜力分别达到535.9万t及607.9万t.为了更好地促进该产业可持续发展及"双碳"目标实现,建议依托国内国际双循环格局合理调控铜产业结构,秉持全生命周期理念加快构建铜产业绿色供应链,紧随碳中和发展趋势促进资源循环减污降碳协同增效.

Keyword :

再生利用 再生利用 物质流 物质流 铜产业 铜产业 生命周期评价 生命周期评价 碳中和 碳中和

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GB/T 7714 顾一帆 , 杨弘扬 , 吴玉锋 et al. 中国铜产业体系演化的碳中和实现机制研究 [J]. | 中国环境管理 , 2023 , 15 (4) : 61-71 .
MLA 顾一帆 et al. "中国铜产业体系演化的碳中和实现机制研究" . | 中国环境管理 15 . 4 (2023) : 61-71 .
APA 顾一帆 , 杨弘扬 , 吴玉锋 , 左铁镛 . 中国铜产业体系演化的碳中和实现机制研究 . | 中国环境管理 , 2023 , 15 (4) , 61-71 .
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Green development strategy of offshore wind farm in China guided by life cycle assessment SCIE
期刊论文 | 2023 , 188 | RESOURCES CONSERVATION AND RECYCLING
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Offshore wind power contributes to the decarbonization of the power system; however, its green development faces many challenges, including environmental impact concerns, scale limitations, and grid parity to go carbon neutral. This study applies life cycle assessment (LCA) to evaluate the potential environmental impact of China's first high-power prototype windfarm. The environmental impact of the wind farm is more sensitive to steel, copper, and electricity usage. The recycling of waste turbines can be a solution to reduce the environmental impacts of not only the wind farm but also other entities such as metal producers. Overall, this wind farm case can reduce energy consumption and greenhouse gas emissions by 9.23 MJ and 767.9 g CO2-eq for 1 kWh electricity produced, respectively. Guided by LCA results, green development strategies that include toward the deep sea, promote industrial upgrading and synergy, and advance demonstration projects are discussed in the offshore wind power industry.

Keyword :

Carbon reduction potential Carbon reduction potential Life cycle assessment Life cycle assessment Offshore wind power Offshore wind power Environmental impact Environmental impact Green development Green development

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GB/T 7714 Chen, Jingjing , Mao, Bingjing , Wu, Yufeng et al. Green development strategy of offshore wind farm in China guided by life cycle assessment [J]. | RESOURCES CONSERVATION AND RECYCLING , 2023 , 188 .
MLA Chen, Jingjing et al. "Green development strategy of offshore wind farm in China guided by life cycle assessment" . | RESOURCES CONSERVATION AND RECYCLING 188 (2023) .
APA Chen, Jingjing , Mao, Bingjing , Wu, Yufeng , Zhang, Dongya , Wei, Yiqun , Yu, Ang et al. Green development strategy of offshore wind farm in China guided by life cycle assessment . | RESOURCES CONSERVATION AND RECYCLING , 2023 , 188 .
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In situ N-, P- and Ca-codoped biochar derived from animal bones to boost the electrocatalytic hydrogen evolution reaction (vol 170, pg 105568, 2021) SCIE
期刊论文 | 2022 , 178 | RESOURCES CONSERVATION AND RECYCLING
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GB/T 7714 Deng, Lifang , Zhang, Yuyuan , Wang, Yazhuo et al. In situ N-, P- and Ca-codoped biochar derived from animal bones to boost the electrocatalytic hydrogen evolution reaction (vol 170, pg 105568, 2021) [J]. | RESOURCES CONSERVATION AND RECYCLING , 2022 , 178 .
MLA Deng, Lifang et al. "In situ N-, P- and Ca-codoped biochar derived from animal bones to boost the electrocatalytic hydrogen evolution reaction (vol 170, pg 105568, 2021)" . | RESOURCES CONSERVATION AND RECYCLING 178 (2022) .
APA Deng, Lifang , Zhang, Yuyuan , Wang, Yazhuo , Yuan, Haoran , Chen, Yong , Wu, Yufeng . In situ N-, P- and Ca-codoped biochar derived from animal bones to boost the electrocatalytic hydrogen evolution reaction (vol 170, pg 105568, 2021) . | RESOURCES CONSERVATION AND RECYCLING , 2022 , 178 .
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含卤废水中卤盐回收研究进展
期刊论文 | 2022 , 48 (05) , 1-6 | 水处理技术
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Abstract :

含卤废水中卤盐回收方法一般包括预处理、浓缩结晶环节,选择合适的回收处理方法是卤盐高效回收的关键。结合实际案例,从含卤废水的预处理和浓缩结晶方面展开,总结归纳了从含卤废水中将卤盐资源化的预处理、浓缩、结晶等技术,分析了技术的适用条件、优缺点及应用前景,为含卤废水高效经济回收卤盐资源技术遴选和优化提供支撑。

Keyword :

含卤废水 含卤废水 浓缩 浓缩 回收 回收 预处理 预处理 结晶 结晶

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GB/T 7714 潘德安 , 李冠军 , 邓强 et al. 含卤废水中卤盐回收研究进展 [J]. | 水处理技术 , 2022 , 48 (05) : 1-6 .
MLA 潘德安 et al. "含卤废水中卤盐回收研究进展" . | 水处理技术 48 . 05 (2022) : 1-6 .
APA 潘德安 , 李冠军 , 邓强 , 郭连杰 , 吴玉锋 . 含卤废水中卤盐回收研究进展 . | 水处理技术 , 2022 , 48 (05) , 1-6 .
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德国废铅蓄电池规范回收经验及借鉴
期刊论文 | 2022 , (12) , 53-55 | 中国经贸导刊
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2016年,国务院办公厅印发《生产者责任延伸制度推行方案》,提出实施生产者责任延伸制度,要求生产企业采用自主回收、共同回收或委托回收等多种模式,提高废铅蓄电池回收率.2019年,相关部门陆续发布《废铅蓄电池污染防治行动计划》《铅蓄电池生产企业集中收集和跨区域转运制度试点工作方案》和《废铅蓄电池回收技术规范》,落实生产者回收责任,推动废铅蓄电池回收利用体系规范发展.但我国尚未建立铅蓄电池"销一收一"或押金回收等回收利用促进制度,非法回收拆解废铅蓄电池的行为并未根除.1998年至今,德国不断修订完善《电池法》,通过建立回收联盟、实施押金回收制度或"销一收一"制度构建起一套完善的废电池回收利用体系,对我国废铅蓄电池规范回收利用具有重要借鉴意义.

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GB/T 7714 张德元 , 吴玉锋 , 崔璇 et al. 德国废铅蓄电池规范回收经验及借鉴 [J]. | 中国经贸导刊 , 2022 , (12) : 53-55 .
MLA 张德元 et al. "德国废铅蓄电池规范回收经验及借鉴" . | 中国经贸导刊 12 (2022) : 53-55 .
APA 张德元 , 吴玉锋 , 崔璇 , 范心雨 . 德国废铅蓄电池规范回收经验及借鉴 . | 中国经贸导刊 , 2022 , (12) , 53-55 .
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“双碳”战略下的冶金行业资源循环利用技术前沿
期刊论文 | 2022 , 22 (10) , 1414-1417 | 过程工程学报
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资源循环利用是冶金行业保障关键金属资源安全供给、实现碳达峰、碳中和的重要途径。本工作立足“双碳”战略视角,概述了冶金行业资源循环利用总体现状与绿色低碳转型发展趋势,从物质循环科学基础、“无废冶金”变革性技术、资源循环与碳循环耦合、二次金属资源高质循环以及基于数字技术的知识产权重构等多角度,展望了冶金行业资源循环利用技术发展前沿,提出了系列观点,以期为冶金行业绿色低碳转型发展提供参考。

Keyword :

碳中和 碳中和 冶金行业 冶金行业 碳达峰 碳达峰 资源循环利用 资源循环利用

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GB/T 7714 李会泉 , 吴玉锋 , 陈运法 . “双碳”战略下的冶金行业资源循环利用技术前沿 [J]. | 过程工程学报 , 2022 , 22 (10) : 1414-1417 .
MLA 李会泉 et al. "“双碳”战略下的冶金行业资源循环利用技术前沿" . | 过程工程学报 22 . 10 (2022) : 1414-1417 .
APA 李会泉 , 吴玉锋 , 陈运法 . “双碳”战略下的冶金行业资源循环利用技术前沿 . | 过程工程学报 , 2022 , 22 (10) , 1414-1417 .
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室内气态污染物净化技术研究综述及量化对比分析
期刊论文 | 2022 , PageCount-页数: 7 (03) , 110-116 | 洁净与空调技术
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室内气态污染物的净化是我国居民越来越关注的一个热点问题。近年来气态污染物净化技术的相关研究层出不穷。但多数报道仅关注于某项净化技术,很少横向对比各技术的净化效率。综述了通风换气、吸收和氧化分解三类气态污染物净化技术的原理,量化对比了其中8项技术的净化效率和能耗,分析讨论了各技术优缺点。植物吸收技术、光催化氧化技术、臭氧氧化技术、二氧化氯氧化技术、低温等离子体氧化技术的净化效率相对低于活性炭吸附技术和通风换气类净化技术。一般,多种净化技术复合后的效率优于单一的净化技术。对于光催化氧化、臭氧氧化、二氧化氯氧化、低温等离子体氧化等技术,通过技术的优化或复合,大幅度提高其净化效率后才可能具有商业化应用...

Keyword :

活性炭吸附 活性炭吸附 室内气态污染物 室内气态污染物 植物吸收 植物吸收 低温等离子体 低温等离子体 光催化 光催化 新风 新风 二氧化氯 二氧化氯 臭氧 臭氧

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GB/T 7714 郭斌 , 李敏 , 吴沐彦 et al. 室内气态污染物净化技术研究综述及量化对比分析 [J]. | 洁净与空调技术 , 2022 , PageCount-页数: 7 (03) : 110-116 .
MLA 郭斌 et al. "室内气态污染物净化技术研究综述及量化对比分析" . | 洁净与空调技术 PageCount-页数: 7 . 03 (2022) : 110-116 .
APA 郭斌 , 李敏 , 吴沐彦 , 齐景伟 , 胡明 , 邵哲如 et al. 室内气态污染物净化技术研究综述及量化对比分析 . | 洁净与空调技术 , 2022 , PageCount-页数: 7 (03) , 110-116 .
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