Abstract
At the end of recycling of the drilling fluids, large quantities of drill cuttings or solid materials are generated from the drilling fluid wastes. For the drilling fluid waste effluent, both coagulation by inorganic salts and flocculation by synthetic flocculants are found to be very effective. It has been observed that the increase in coagulant/flocculants dosage reduces the supernatant turbidity of the drilling fluid waste. The combined effect of salt concentration and coagulant/flocculants dosage improve the overall flocculation efficiency of the system. At higher pH conditions drilling fluid waste, dispersions are highly flocculated having low supernatant turbidity.
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