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; recycling; electronic waste 1 Introduction Since the dawn of the human history, precious metals such as silver and gold have many applications, especially in painting [1], sculpture [2], medicine... sources of precious metals is various wastes, e.g., scrap jewelry [9], used catalysts, mobile phone scraps [10] and electronic waste [11]. The latter is also called as waste of electrical and electronic......
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(SND). The variation and distribution of parameters such as flow velocity, concentration of dissolved oxygen (DO) and mixed liquor suspended solids (MLSS) in oxidation ditch were monitored and analyzed...; dissolved oxygen (DO); mixed liquor suspended solid (MLSS); simultaneous nitrification and denitrification (SND) 1 Introduction Oxidation ditch system, which was originated from Netherlands, has many......
Trans. Nonferrous Met. Soc. China 24(2014) 861-867 Reductive leaching of manganese oxide ores using waste tea as reductant in sulfuric acid solution Qing TANG1,2, Hong ZHONG1,2, Shuai WANG1,2, Jin... of Education, Changsha 410083, China Received 5 March 2013; accepted 29 June 2013 Abstract: Manganese oxide ores from Gabon and Xiangxi were leached with waste tea as reductant in dilute sulfuric acid......
A Simple Method to Synthesize Multi-branched Carbon Fibers Using Cupric Chloride Aqueous Solution as Catalyst PrecursorQiuxiang Wang1,Qian Zhang1,Liping Chen2,Liyan Yu1,Lifeng Dong1,31. College...,Springfield, MO 65897, USA摘 要:Carbon fibers with multi-branched structures were synthesized by chemical vapor deposition method using cupric chloride......
] LAGERGREN S. Zur theorie der sogenannten adsorption gelster stoffe [J]. K Sven Vetenskapsakad Handl, 1898, 24(4): 1–39. (in Swedish) [26] HO Y S. Adsorption of Heavy Metals from Waste Streams by Peat [D......
Recovery of V2O5 from Bayer liquor by ion exchangeZHAO Zhuoa, b, LI Xiaobina, and ZHAO Qingjieb a School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China b Zhengzhou Research Institute of Chalco Ltd., Zhengzhou 450041, China摘 要:A new technology was developed to recover V2O5 from Bayer spent liquor by ion......
J. Cent. South Univ. (2012) 19: 835-841 DOI: 10.1007/s11771-012-1080-8 Utilization of municipal solid waste incineration fly ash in lightweight aggregates TAN Wen-fa(谭文发)1,WANG Li-ao(王里奥)1... of municipal solid waste incineration (MSWI) fly ash blended with shale and sludge was utilized in the manufacture of light-weight aggregates and processed to form ceramic pellets. A formula uniform......
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