KEMTRON has a wide range of polymers to meet your water and wastewater treatment needs. KEMTRON produces a wide variety of water soluble polyelectrolytes to coagulate and flocculate suspended solids from water effluent streams. They are used to increase the efficiency of settling, clarification, filtration and centrifugation operations. In the wastewater & water treatment industry, the terms coagulation and flocculation imply different mechanisms, as described below.

To accelerate the de-watering process, the drilling fluid is first treated with a coagulant to de-stabilize the suspended solids of the mixture. As used herein, de-stabilization refers to the process of neutralizing the electrical charge of solids suspended in the colloidal mixture, or drilling fluid, so as to reduce or breakdown their repulsive forces.

After de-stabilization of the solids, a flocculant is added to the drilling fluid to aggregate the de-stabilized solids so that when the drilling fluid passes through the centrifuge, the destabilized and subsequently aggregated solids do not break apart and cause the centrate, or reclaimed water, to become highly turbid and discharge wet cake solids. The flocculant has an electrical charge that attracts the de-stabilized solids, causing the solids to attach themselves to the flocculant. Attachment of the de-stabilized solids to the flocculant forms an aggregated network of de-stabilized solids called flocs. By de-stabilizing and subsequently aggregating the solids into flocs, the solids and water of the colloidal mixture, or drilling fluid, may be more easily and effectively separated in the centrifuge, thereby increasing the overall efficiency of the de-watering process.