The pyrolytic tar, gas and solid were obtained by pyrolysising of waste printed circuit boards mixed with CaCO3.
废旧电路板中的树脂与碳酸钙共同加热，获得气体、固体和热解油3种热解产物。
Waste Printed Circuit Boards (PCBs) are worthy very much to recycle, because the metallic grade is more hundred times than the nature mineral resources.
废弃电路板中蕴含的金属是天然矿藏品位的几十倍甚至几百倍，具有重要的回收价值。
Along with the maturity of processing technology of waste printed circuit boards (PCB), a great deal of non-metal materials in PCB need to be immediately treated.
随着信息时代的到来，废印刷线路板处理技术日益成熟，大量的废线路板非金属粉亟需处理。
A new stripper for removing the solder from the surface of waste printed circuit boards was developed on the basis of a nitric acid - sulfonic acid type tin stripper.
以硝酸-磺酸型退锡剂为基础配方，研制了一种脱除废旧电路板表面残留焊锡的剥离液。
Pyrolysis experiments of waste printed circuit boards(WPCBs) were carried out by means of thermogravimetric analysis(TG) and a bench-scale fixed-bed pyrolysis reactor under low vacuum.
采用热重分析仪和固定床热解反应器对废旧电路板进行了低真空条件下的热分解实验。
The machine can be used for separating the various types of metal and plastic and other non-metallic, such as waste printed circuit boards, cable, aluminum-plastic and other waste material.
此机可用于各类金属与各种塑料及其它非金属的分离，如废旧印刷电路板、电缆、铝塑等废料。
After analyzing the valuable components of the waste printed circuit boards, a development on research of recycling the valuable components of electronic waste using pulsing air classifiers was made.
通过对废弃电路板破碎解离及解离后有价成分的分析，采用脉动气流分选装置对电子废弃物中有价成分的回收进行了研究，并取得了初步进展。
After analyzing the valuable components of the waste printed circuit boards, a development on research of recycling the valuable components of electronic waste using pulsing air classifiers was made.
通过对废弃电路板破碎解离及解离后有价成分的分析，采用脉动气流分选装置对电子废弃物中有价成分的回收进行了研究，并取得了初步进展。
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