PSAC CAC CHAC PSAC CAC CHAC 20 20 0 1000 2000 3000 (J/mol) 0 100 200 300 400 500 C (mg/L) Keywords Activated carbon Adsorption Characterization Adsorption mechanism Mercury Introduction Heavy metals, especially mercury, lead, and chromium can cause great harm to the environment and human health. Among these heavy metals, the toxicity of mercury is the most serious due to its typical characteristics of persistence, easy migration, bioaccumulation, and biotoxicity [1–3]. Recently, mercury pollution has become a global issue. Mercury released into water bodies in the last 50 years is mainly derived from human activities, such as production of chlor-alkali, plastics, batteries, electronics, pharmaceutical and cosmetic preparations, mining and smelting. Inorganic mercury in water, no matter in what form, will be converted directly or indirectly into methyl mercury with stronger toxicity through biological methylation . The incidence of Minamata disease caused by methyl mercury pollution in Japan the last century is still a serious and unpleasant topic . Therefore, developing feasible technologies to remove mercury from water is more urgent and important . In view of non-toxic, bio-friendly, versatile capability properties on a wide range of contaminants, easy availability of raw materials and cost effectiveness,
Research on Chemical Intermediates – Springer Journals
Published: Oct 22, 2016
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