Analysis of infrared optical polishing effluents and reduction of COD and TSS levels by ultrafiltration and coagulation/flocculation
作者： Isidro S. Durazo-Cardenas , Albert Noguera-Sagrera , Susan A. Impey
DOI: 10.1080/19443994.2014.881750
关键词:
摘要: AbstractSamples of polishing effluent produced during infrared optics manufacture were analyzed. Their particle size, composition, Zeta potential, chemical oxygen demand (COD), total suspended solids (TSS), and settleable determined. Feasibility treatment methods such as ultrafiltration (UF) coagulation/flocculation was investigated to reduce both COD TSS. It found that effluents consisted a suspension micro- nanoparticles. Effluent size distribution reflected the removal rate originating process. composition primarily germanium other polished substrates well abrasives. The potential highly negative prevented settling. all specimens very high, which sewage discharge. Laboratory-scale trials using UF showed substantial abatement up 74.1%. TSS reduced zero after UF. Comparable demonstrated for highest ...
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