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Copper recovery from waste printed circuit boards concentrated metal scraps by electrolysis

Xiaonan Liu, Qiuxia Tan, Yungui Li, Zhonghui Xu, Mengjun Chen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0997-4

Abstract: Copper recovery is the core of waste printed circuit boards (WPCBs) treatment.scraps by direct electrolysis and factors that affect copper recovery rate and purity, mainly CuSO ·The results indicated that copper recovery rate increased first with the increase of CuSO ·5H O NaCl,Copper purity increased with the increase of CuSO ·5H O.recovery rate and purity was up to 97.32% and 99.86%, respectively.

Keywords: Waste printed circuit boards (WPCBs)     Copper     Recovery rate     Purity     Electrolysis    

Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions

Zhi Sun, Hongbin Cao, Prakash Venkatesan, Wei Jin, Yanping Xiao, Jilt Sietsma, Yongxiang Yang

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 308-316 doi: 10.1007/s11705-016-1587-x

Abstract: Leaching selectivity during metal recovery from complex electronic waste using a hydrochemical processThis research proposes electrodeposition as the subsequent approach to effectively recover copper fromrecovery.The results have shown that electrochemical recovery of copper from ammonia-based solution under thecontrolled and provide bases to correlate the kinetic parameters with further optimisation of the selective recovery

Keywords: copper recovery     electronic waste     end-of-life products     selective leaching     electrodeposition    

A critical review on the recycling of copper and precious metals from waste printed circuit boards using

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0995-6

Abstract: Hydrometallurgy is a successful technique used worldwide for the recovery of precious metals (especiallyIt is generally preferred over other methods because it can offer high recovery rates at a relativelyrecycling of precious metals from waste PCBs through hydrometallurgical techniques, such as leaching and recovery

Keywords: Waste PCBs     Precious metals     Hydrometallurgy     Recycling     Leaching     Recovery    

Pretreatment and copper recovery from chemosynthesis copper-containing berberine wastewater by Fe-C microelectrolysis

Zeng Ping,Song Yonghui,Cui Xiaoyu,Duan Liang,Qiu Guanglei,Xiao Shuhu,Ma Yinchen,Shan Yongping

Strategic Study of CAE 2013, Volume 15, Issue 3,   Pages 88-94

Abstract:

For the copper-containing berberine wastewater produced by pharmaceuticalfor the influent wastewater with chemical oxygen demand (COD) concentration of 60 000~80 000 mg/L, copper

Keywords: chemosynthesis pharmaceutical wastewater     Fe-C microelectrolysis     ion exchange column     berberine copper-containing    

Pretreatment and copper recovery from chemosynthesis copper-containing berberine wastewater by Fe-C microelectrolysis

Lin Qi,Song Yonghui,Li Dong,Zhang Jie

Strategic Study of CAE 2013, Volume 15, Issue 3,   Pages 95-102

Abstract:

The wastewater treatment plant based on biological aerated filter faces the upgrading reconstruction to achieve the GB code first-level of wastewater discharge. Studies on the advanced treatment process involving chemical phosphorus removal, air-floated oil removal, hydrolysis acidification and the anoxic/oxic biological aerated filter were conducted, the feasibility of the process and the optimal parameters were determined. the feasibility of the process and the optimal parameters were determined. For pre-denitrification, the reflux ratio was 125 %, the hydraulic retention time was 20 min. The cost of construction and operation were calculated. The theoretical evidence and database can be used to the reference for the upgrading reconstruction of the similar wastewater treatment plant.

Keywords: industrial combined wastewater     wastewater treatment plant     biological aerated filter     upgrading reconstruction    

Copper and zinc interaction on water clearance and tissue metal distribution in the freshwater mussel

Tianxiang XIA, Xuehua LIU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 236-242 doi: 10.1007/s11783-010-0218-8

Abstract: Copper and zinc interaction on clearance from water and distribution in different tissues was investigated

Keywords: interaction     mussel     copper     zinc     clearance     distribution    

Identification and assessment of environmental burdens of Chinese copper production from a life cycle

Xiaolong SONG,Jianxin YANG,Bin LU,Bo LI,Guangyuan ZENG

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 580-588 doi: 10.1007/s11783-013-0599-8

Abstract: The environmental burdens of Chinese copper production have been identified and quantified in the contextPrimary and secondary copper production using copper ores and scraps, respectively, were analyzed inThe flash and bath smelting approaches and the recycling of copper scraps were selected as representativecopper production processes.In secondary copper production, the electrolytic refining stage dominates.

Keywords: copper production     environmental burden     life cycle assessment     refined copper    

Meeting Future Challenge in Copper Industry——Considerations on Treatment of Copper Sulfide Concentrate

Zhu Zuze

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 87-90

Abstract:

A brief review of the advance of copper smelting technology and the price fluctuations of copper productsindicate that the competition of copper market depends upon the production cost relying on metallurgyIn order to ensure the smooth development of the copper industry in China and win competition in theworld, we must persist in domestic r & D and incorporation with foreign technology for copper smelting

Keywords: Copper industry     copper sulfide concentrate     low cost    

Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 117-130 doi: 10.1007/s11709-021-0788-7

Abstract: Proven research output on the behavior of structures made of waste copper slag concrete can improve itsAlthough numerous studies on waste copper slag concrete can be found in the published literature, noIn particular, the variability in the strength properties of waste copper slag concrete, which is requiredIn addition, the paper presents a reliability-based seismic risk assessment of a typical waste copperThe results show that waste copper slag can be safely used for seismic resistant structures as it results

Keywords: waste copper slag     quantification of variability     goodness-of-fit test     seismic risk assessment     PSDM    

Microwave enhanced stabilization of copper in artificially contaminated soil

Hua ZHANG, Zhiliang ZHU, Noboru YOSHIKAWA

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 205-211 doi: 10.1007/s11783-010-0290-2

Abstract: Microwave processing was used to stabilize copper ions in soil samples.addition, the different reaction atmospheres showed no apparent effect on the stabilization efficiency of copperAccording to the result of the Tessier sequential extraction, the partial species of copper in the contaminated

Keywords: microwave     copper     stabilization    

Cuprous oxide/copper oxide interpenetrated into ordered mesoporous cellulose-based carbon aerogels for

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 918-929 doi: 10.1007/s11705-023-2305-0

Abstract: In this work, a cuprous oxide/copper oxide composite was interpenetrated onto carbon nanosheets of cellulose-basedThe introduction of the carbon aerogel effectively prevents the aggregation of the cuprous oxide/copperarea, stronger charge transfer capacity, and lower recombination rate of photogenerated carriers than copper

Keywords: carbon aerogel     photocatalysis     dye degradation     biomass     cuprous oxide/copper oxide    

Nano-copper ions assembled cellulose-based composite with antibacterial activity for biodegradable personal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1544-1554 doi: 10.1007/s11705-022-2288-2

Abstract: In this study, nano-copper ions assembled cotton fabric used in face masks to impart antibacterial activitywas modified by sodium chloroacetate after its mercerization, and assembled with bactericidal nano-copper/i> and Escherichia coli because the gaps between fibers in the cotton fabric allow the nano-copperThis green, economical, facile, and scalable process of depositing nano-copper ions onto modified cotton

Keywords: cellulose-based     nanocomposite     biodegradable antibacterial fabric     nano-copper ions     face masks    

Improved resilience measure for component recovery priority in power grids

Frontiers of Engineering Management 2021, Volume 8, Issue 4,   Pages 545-556 doi: 10.1007/s42524-021-0161-5

Abstract: Consequently, the quick recovery of power grids after disasters has become a new research direction.The recovery priority of failed components after a disaster is determined according to the influenceResult shows that the recovery priorities of components with different importance measures vary.

Keywords: resilience measure     power grid     importance measure     component recovery    

PCDD/Fs emission, risk characterization, and reduction in China’s secondary copper production industry

Haiqian LI, Yonglong LU, Li LI

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 4,   Pages 589-597 doi: 10.1007/s11783-013-0495-2

Abstract: Secondary copper production is one of the key polychlorinated dibenzo- -dioxins and dibenzofurans (PCDDIn 2004, when the Stockholm Convention entered into force in China, PCDD/Fs emissions from secondary copperIn this paper, PCDD/Fs emission dynamics from secondary copper industry were discussed and cumulative, Pearl River Delta and central regions were among the top three of dioxin emissions from secondary copperFrom 2009 to 2015, the PCDD/Fs emission dynamics in the secondary copper industry were presented through

Keywords: polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs)     secondary copper production    

Field evidence of decreased extractability of copper and nickel added to soils in 6-year field experiments

Bao Jiang, Dechun Su, Xiaoqing Wang, Jifang Liu, Yibing Ma

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0990-y

Abstract: The phytotoxicity of added copper (Cu) and nickel (Ni) is influenced by soil properties and field aging

Keywords: Copper     Nickel     EDTA     Sequential extraction    

Title Author Date Type Operation

Copper recovery from waste printed circuit boards concentrated metal scraps by electrolysis

Xiaonan Liu, Qiuxia Tan, Yungui Li, Zhonghui Xu, Mengjun Chen

Journal Article

Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions

Zhi Sun, Hongbin Cao, Prakash Venkatesan, Wei Jin, Yanping Xiao, Jilt Sietsma, Yongxiang Yang

Journal Article

A critical review on the recycling of copper and precious metals from waste printed circuit boards using

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Journal Article

Pretreatment and copper recovery from chemosynthesis copper-containing berberine wastewater by Fe-C microelectrolysis

Zeng Ping,Song Yonghui,Cui Xiaoyu,Duan Liang,Qiu Guanglei,Xiao Shuhu,Ma Yinchen,Shan Yongping

Journal Article

Pretreatment and copper recovery from chemosynthesis copper-containing berberine wastewater by Fe-C microelectrolysis

Lin Qi,Song Yonghui,Li Dong,Zhang Jie

Journal Article

Copper and zinc interaction on water clearance and tissue metal distribution in the freshwater mussel

Tianxiang XIA, Xuehua LIU

Journal Article

Identification and assessment of environmental burdens of Chinese copper production from a life cycle

Xiaolong SONG,Jianxin YANG,Bin LU,Bo LI,Guangyuan ZENG

Journal Article

Meeting Future Challenge in Copper Industry——Considerations on Treatment of Copper Sulfide Concentrate

Zhu Zuze

Journal Article

Variability of waste copper slag concrete and its effect on the seismic safety of reinforced concrete

Journal Article

Microwave enhanced stabilization of copper in artificially contaminated soil

Hua ZHANG, Zhiliang ZHU, Noboru YOSHIKAWA

Journal Article

Cuprous oxide/copper oxide interpenetrated into ordered mesoporous cellulose-based carbon aerogels for

Journal Article

Nano-copper ions assembled cellulose-based composite with antibacterial activity for biodegradable personal

Journal Article

Improved resilience measure for component recovery priority in power grids

Journal Article

PCDD/Fs emission, risk characterization, and reduction in China’s secondary copper production industry

Haiqian LI, Yonglong LU, Li LI

Journal Article

Field evidence of decreased extractability of copper and nickel added to soils in 6-year field experiments

Bao Jiang, Dechun Su, Xiaoqing Wang, Jifang Liu, Yibing Ma

Journal Article