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首页> 外文会议>International Conference on Science and Applied Science >Bioremediation of chrome heavy metals on metal coating waste with Bacillus subtilis bacteria
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Bioremediation of chrome heavy metals on metal coating waste with Bacillus subtilis bacteria

机译：枯草芽孢杆菌对金属涂料废水中铬重金属的生物修复

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The chrome metal coating industry can produce toxic waste, and if it is disposed of freely, it will cause severe contamination of soil and water. Chrome metal pollution needs to be minimized, considering the impact caused besides polluting the environment also disrupts human health and other living things. Measures to reduce or even eliminate these hazards by treating waste before being discharged into free water. Wastewater technology that contains heavy metals can be reduced using bioremediation. Research has been carried out on samples of metal coating industry wastewater containing heavy metal chromium with 2.5161 ppm on initial levels. Bacillus subtilis bacteria with various concentrations with unit cells/ml (10~(2.5) and 10~5) were added to the samples and stored for two days. Chromatic metal levels after bioremediation were measured by spectrophotometry. Bioremediation with Bacillus subtilis can reduce chromium metal content by 91.33% and 80.24% at concentrations of 102.5 and 10~5. Bacillus subtilis were 102.5 cells/ml lower chromium metal levels higher than that of Bacillus subtilis 10~5 cells/ml.
机译：铬金属涂层行业会产生有毒废物，如果随意处置，会造成土壤和水的严重污染。考虑到铬金属污染造成的影响，除污染环境外，还干扰人类健康和其他生物，因此需要将铬金属污染降至最低。通过在废物排入自由水体之前进行处理，减少甚至消除这些危害的措施。含有重金属的废水技术可以通过生物修复来减少。对初始浓度为2.5161 ppm的含重金属铬的金属涂料工业废水样品进行了研究。将不同浓度的枯草芽孢杆菌（10~（2.5）和10~5）以单位细胞/ml添加到样品中并储存两天。采用分光光度法测定生物修复后的有色金属含量。在102.5和10~5浓度下，枯草芽孢杆菌生物修复可使金属铬含量分别降低91.33%和80.24%。枯草芽孢杆菌的金属铬含量比枯草芽孢杆菌的10~5个细胞/毫升低102.5个细胞/毫升。

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