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Copper and Cadmium Biosorption by Dried Seaweed Sargassum sinicola in Saline Wastewater

机译:干燥海藻Sargassum sinicola对盐废水中铜和镉的生物吸附

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摘要

Rates of biosorption of cadmium and copper ions by nonliving biomass of the brown macroalga Sargassum sinicola under saline conditions were studied. Batch experiments show that the ability to remove cadmium is significantly diminished (from 81.8% to 5.8%), while the ability to remove copper remains high (from 89% to 80%) at a range of salinity from 0 to 40 psu. Maximum capacity of biosorption at 35 psu was 3.44 mg g−1 for cadmium and 116 mg g−1 for copper. The presence of salt did not significantly affect the rate of biosorption, which was about 90% of saturation in 60 min for both metals. There is an antagonistic effect on biosorption when both metals are present in the solution.
机译:研究了盐碱条件下棕色大型藻类Sargassum sinicola的非生物量对镉和铜离子的生物吸附速率。批量实验表明,在0至40 psu的盐度范围内,去除镉的能力显着降低(从81.8%至5.8%),而去除铜的能力仍然很高(从89%至80%)。在35 psu时,镉的最大生物吸附量为3.44 mg g -1 ,铜为116 mg g -1 。盐的存在不会显着影响生物吸附的速度,两种金属在60分钟内的饱和度约为90%。当溶液中同时存在两种金属时,会对生物吸附产生拮抗作用。

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