The pollution and harm caused by dioxine had been paid attention in all over the world.And the bleaching process in pulp and paper making industry is also a source of dioxine.
摘要二恶英对环

染和对人类
危害已引起全世界
关注,而制浆造纸行业
漂白工艺也是产生二恶英
主要来源之一。
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学人-科技
莫希干人(中)