Xuying Guo1,*, Guoliang Jiang2, Saiou Fu3, Zhiyong Hu3, Junzhen Di2, Yanrong Dong2, Ying Li4
Journal of Renewable Materials, Vol.9, No.11, pp. 2015-2032, 2021, DOI:10.32604/jrm.2021.015878
Abstract To solve the problems of high Cr6+, Cr3+, SO42– and H+ concentrations, pollution and processing costs associated
with agate dyeing industrial drainage, we prepared an immobilized gel mixture for the treatment of such
drainage on the basis of microbial immobilization technology. The immobilized gel mixture was composed of
sulfate-reducing bacteria (SRB), corn cob, and nano-Fe3O4 (nFe3O4). We used a single-factor experiment to
determine the optimal dose of each matrix component. We analyzed the mechanism underlying the treatment
of agate dyeing wastewater with an immobilized gel mixture by X-ray diffraction and scanning electron microscopy detection. The results of the single-factor test… More >
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