Recovery of copper from spent etching solution by Lix54-100 extractant;
Lix54-100从印刷电路板蚀刻废液中回收铜
The earliest domestic originated zero emission clean production process for mass centralized resource utilization of circuit board spent etching solution developed by Nanxi Chemical Plant,Baiyun District of Guangzhou was studied and three key technical conditions were optimized by orthogonal experiment including weight of mixed quicklime of 0.
对广州市白云区南溪化工厂开发出的一套对线路板蚀刻废液集中资源化处理的零排放处理新工艺的工艺条件进行了深入研究,并通过正交试验的方法,优化了最关键的三个工艺条件,即混合生石灰加入量为碱式氯化铜泥重量的0。
Factors that may influence copper recovery rate including pH, temperature and cuprous ion concentration were studied when using neutralization process to recover copper from spent etching solution, and options to choose the best conditions for precipitating copper were optimized.
研究了中和法回收含铜蚀刻废液中的铜时pH值、温度及亚铜离子含量等因素对回收率的影响,给出了最佳沉淀工艺条件的选择方案。
Research Status and Prospects for spent etching solution
废蚀刻液研究现状与展望
There are two different typical treatment technologies in PCB spent etching solution in China now-cyclic regeneration end producing copper sulfate,In the paper,the technology process,resource utilization and environment infection are compared and analyzed between them.
当前我国PCB行业的废蚀刻液主要存在着两种典型的处理和处置方法:即循环再生技术与加工硫酸铜技术。
Reuse treatment of spent copper-containing etching solution for printed circuit board—Part Ⅰ
印刷线路板含铜废蚀刻液的回用处理(一)
Two commonly employed processes-neutralizing deposition and solvent extraction are compared for demonstrating the research progresses in comprehensive utilization of waste etching solution containing copper in order to carry out cycle production with zero-discharge.
PCB产业所产生的含铜蚀刻废液是对环境存在较大潜在威胁的危险废物。
Basic copper carbonate can be prepared from waste etching solution containing copper.
介绍了利用含铜蚀刻废液生产碱式碳酸铜的生产工艺、技术特点、工艺流程和产品质量。
The new method of producing basic copper carbonate from waste etching solution containing copper.
介绍了利用含铜蚀刻废液合成碱式碳酸铜的新工艺。
Recycle of Spent Acidic Etchant for Printed Circuit Board
印制电路板酸性蚀刻废液的回收利用
A New Technology for Production Basic Copper Carbonate from Waste Etching;
利用含铜蚀刻废液合成碱式碳酸铜新工艺研究
Recovery of Copper Extracted from the Spent Nitric Etching Solutions of Printed Circuit Board Using CP-150
利用CP-150萃取回收PCB碱性蚀刻废液中的铜
Alkaline etching of the comprehensive utilization of waste water-Hydrazine hydrate to restore the recovery of copper
碱性蚀刻废液的综合利用----水合肼还原回收铜
Study on Trace Zinc and Nickel Removal in Ferric Chloride Preparation Technology Using Waste Etchant and Waste Acid
利用蚀刻废液和废酸制取三氯化铁工艺中微量锌镍去除研究
Novel Centrifugal Extraction-stripping Process-Treating Spent Etchant from Printed Circuit Board Industry Environmentally Friendly;
离心萃反联合新工艺—环境友好处理印制线路板蚀刻废液
Study on the electrode process kinetics of recycle of spent acidic etchant for printed circuit board
印刷电路板酸性蚀刻废液回收工艺中电极反应过程动力学研究
Technics for Producing Bluestone from the Waste Liquid Engendered from the Etching of Circuit Boards;
从刻蚀电路板废液中制取硫酸铜的工艺研究
Reuse treatment of spent copper-containing etching solution for printed circuit board-Part II
印刷线路板含铜废蚀刻液的回用处理(二)
Reuse treatment of spent copper-containing etching solution for printed circuit board-Part Ⅰ
印刷线路板含铜废蚀刻液的回用处理(一)
Experimental Research on the Characteristics of the CrMo Steel by Etch Solution;
蚀刻液对CrMo钢蚀刻特性的实验研究
Talking about PCB Etching Solution with(NH_4)_2S_2O_8 as Major Etchant
以(NH_4)_2S_2O_8为主蚀刻剂的印制板蚀刻液浅谈
etchings, woodcuts, lithographs;
蚀刻、木刻、平版画；
RESEARCH ON PICKING INHIBITER MADE BY HYDROLYSIS OF WASTER IN REREFINING PHYTIN
水解精制菲汀过程中的废液、渣制取酸洗缓蚀剂
gas discharge etching
气体放电蚀刻[法]
laser engraving, laser etching
激光雕刻，激光蚀刻
a block that has been etched or engraved.
一块被蚀刻或雕刻的板。
To cut into the surface of(glass, for example) by the action of acid.
蚀刻用酸蚀刻（玻璃的）表面