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Preparation of Adsorbent with Lead Removal Ability using Sulfur-impregnation

机译：使用硫浸渍制备具有铅去除能力的吸附剂

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Preparation of the adsorbent with lead removal ability using a sulfur impregnation was studied. Coal, palm shell, waste tire and diatomite, were used as raw materials. Raw material was mixed with K_2S powder and then heated at 800 °C or 900 °C for 30 min in nitrogen to produce a sulfur-impregnated adsorbent. The sulfur-impregnated adsorbents prepared from coal, palm shell, waste tire and diatomite at 800 °C have lead removal property, and the order of lead removal ability is the adsorbent from coal = palm shell > waste tire > diatomite. The sulfur-impregnated adsorbent prepared from coal had a high sulfur content and high specific surface area. The adsorbent showed higher removal ability for lead ions from aqueous solution than zinc and cadmium ions in ternary Pb~(2+)-Zn~(2+)-Cd~(2+) solution. These results indicate that the sulfur-impregnated adsorbent has high selective adsorption ability for lead ions in aqueous solutions.
机译：研究了使用硫浸渍的铅去除能力的吸附剂的制备。 煤炭，棕榈壳，废轮胎和硅藻土，用作原料。 将原料与K_2S粉末混合，然后在800℃或900℃下在氮气下加热30分钟，以产生硫浸渍的吸附剂。 由煤，棕榈壳，废轮胎和硅藻土制备的硫浸渍的吸附剂在800℃下具有铅去除性，并且铅去除能力的顺序是来自煤的吸附剂=棕榈壳>废弃轮胎>硅藻土。 由煤制备的硫浸渍吸附剂具有高硫含量和高比表面积。 吸附剂显示出含水溶液的铅离子的去除能力高于锌和镉离子中的氮素和氮素离子，在三元Pb〜（2 +） - Zn〜（2 +） - Cd〜（2+）溶液中。 这些结果表明，硫浸渍的吸附剂具有高选择性吸附能力，用于水溶液中的铅离子。

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