Economic Viability of Removal of Heavy Metal . - Semantic ScholarMoreover, heavy metals concentrations in the raw wastewater have been effectively treated to comply with international . Keywords: heavy metals, industrial waste, cement kiln dust (CKD), economic viability, pilot scale . Accordingly, liquid.heavymetals in cement effluent liquid,Sewage sludge - WikipediaSewage sludge refers to the residual, semi-solid material that is produced as a by-product ... Treated biosolids can be produced in cake, granular, pellet, or liquid form and are spread over land before being . Other studies report that plants uptake large quantities of heavy metals and toxic pollutants that are retained by.
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