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首页> 外文期刊>Journal of Polymers and the Environment >LCA to Evaluate the Environmental Impact for Chemical Pre-treatment in Plastics Metallization
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LCA to Evaluate the Environmental Impact for Chemical Pre-treatment in Plastics Metallization

机译：LCA评估塑料金属化中化学预处理的环境影响

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摘要

The life cycle assessment methodology was used to calculate the environmental impacts of the current chemical pre-treatment with chromium(VI) for electroplating acrylonitrile butadiene styrene. The inventory comprised: the procurement of chemicals; the manufacturing process with successive baths and rinses that requires, in addition to chemicals, energy to heat baths, air agitation, filtration, and so forth, wastewater treatment and air emissions; and also the treatment of sludges from wastewater treatment and exhausted baths. Chromic acid was almost the unique responsible of eco-toxicity (97.5 %) and human toxicity-cancer (99.8 %) and it was one of the highest contributor to climate change, cumulative energy demand, fossil fuel depletion, human toxicity non-cancer, and in abiotic depletion.
机译：生命周期评估方法用于计算当前用铬（VI）进行丙烯腈-丁二烯-苯乙烯电镀的化学预处理的环境影响。清单包括：化学品采购；连续进行浴和漂洗的制造过程，除了化学药品外，还需要加热浴的能量，空气搅动，过滤等，还需要废水处理和废气排放；以及废水处理和浴池废渣的处理。铬酸几乎是造成生态毒性（97.5％）和人类毒性癌症（99.8％）的唯一原因，并且是造成气候变化，累积能源需求，化石燃料枯竭，人类毒性非癌症，和非生物消耗。

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