China is a large fishery country, but a huge amount of fishery processing wastes lead to severe resource waste and environment pollution due to the lower process level.

我国是渔业大国，但水产品加工水平较低，加工废弃物产量极大，形成了严重的资源浪费和环境污染。

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The answer is lots which is why we always extract it from the wastes of the processing for other minerals.

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Since the early 1980s, the EPA has included waste created from zinc phosphate processing on its list of FO19 hazardous wastes, which requires expensive additional treatment.

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