Composite conditioner for plate-and-frame filter pressed sludge dewatering and preparation technology
A technology of sludge dehydration and plate-and-frame filtration, which is applied in water/sludge/sewage treatment, sludge treatment, chemical instruments and methods, etc., can solve problems such as low efficiency, and achieve improved efficiency, excellent effect, and high viscosity high effect
Pending Publication Date: 2021-01-19
德州万达环保科技有限公司
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The invention discloses a composite conditioner for plate-and-frame filter pressed sludge dewatering, which comprises the following raw materials in parts by weight: 15-25 parts of an oxidant, 20-30 parts of chitosan, 30-40 parts of zeolite powder, 25-45 parts of an inorganic flocculant, 80-100 parts of deionized water, 25-40 parts of an inorganic high-valence cation coagulant, 25-30 parts of quicklime and 30-40 parts of inorganic powder fine aggregate; wherein the oxidant is one or more of sodium ferrate, potassium ferrate, sodium percarbonate, sodium hypochlorite, chlorine, sodium dichromate, potassium dichromate, potassium permanganate and nitric acid. Colloid particles can be strongly adsorbed through the inorganic flocculant, and colloid is condensed through adsorption, bridging and cross-linking effects. According to the composite conditioner for plate-and-frame filter pressed sludge dewatering and the preparation technology, physical and chemical changes occur at the same time,charges on the surfaces of colloidal particles and suspended solids are neutralized, the potential is reduced, the colloidal particles are changed from original repulsion to attraction, and the micelle stability is destroyed.
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