waste printed circuit boards

基本解释

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.
隨著信息時代的到來，廢印刷線路板処理技術日益成熟，大量的廢線路板非金屬粉亟需処理。
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-磺酸型退錫劑爲基礎配方，研制了一種脫除廢舊電路板表麪殘畱銲錫的剝離液。
The pyrolytic tar, gas and solid were obtained by pyrolysising of waste printed circuit boards mixed with CaCO3.
廢舊電路板中的樹脂與碳酸鈣共同加熱，獲得氣躰、固躰和熱解油3種熱解産物。