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Complex Technology of Sewage Purification from Heavy-Metal Ions by Natural Adsorbents and Utilization of Sewage Sludge

机译:天然吸附剂污水离子污水纯化复合技术及污水污泥的利用

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摘要

The aspects of complex technology of sewage purification and utilization of purification sludge are investigated in the article. The authors substantiate the possibility of purifying sewage from heavy-metal ions by means of zeolite and of utilizing sewage sludge in bricks production. The adsorption capacity of zeolite from Sokyrnytsia deposit has been studied for cupric and manganese ions in relation to its fractional composition. The comparative effectiveness studies of heavy metals adsorption by natural zeolite and anthracite have been carried out. The optimal sorption parameters of these ions have been selected based on the investigation results of their adsorption dynamics in Cu2+ and Mn2+ solutions. The prospects of sewage sludge utilization by means of its thermal pyrolysis at the temperatures of 600–700ºС have been studied. The modifying additive has been obtained, which can be added to the ceramic mixture and increase the porosity, reduce the density and decrease the thermal conductivity of course solid bricks.
机译:在制品中研究了污水净化和净化污泥利用的复杂技术的方面。作者通过沸石和在砖生产中利用污水污泥来证实净化污水的可能性。研究了Sokyrnytsia沉积物的沸石的吸附能力,研究了与其分数组成相关的铜和锰离子。已经进行了天然沸石和无烟煤对重金属吸附的比较有效性研究。这些离子的最佳吸附参数已经基于Cu2 +和Mn2 +溶液中的吸附动力学的研究结果选择。研究了污水污泥利用的前景,通过其在600-700ºС的温度下的热热解。已经获得改性添加剂,可以将其添加到陶瓷混合物中并增加孔隙率,降低密度并降低当然固体砖的导热率。

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