Min Seok Ji
Abstract
Low concentration formaldehyde wastewater was treated by mineral material—bentonite.The factors to reduce COD were discussed.The optimal experiment conditions were gained—feeding amount of bentonite 5 g,diameter of bentonite 120 mu,adsorption time 30 min,adsorption temperature 40 ℃,pH value of wastewater 6.
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Low concentration formaldehyde wastewater was treated by mineral material—bentonite.The factors to reduce COD were discussed.The optimal experiment conditions were gained—feeding amount of bentonite 5 g,diameter of bentonite 120 mu,adsorption time 30 min,adsorption temperature 40 ℃,pH value of wastewater 6.
Key concepts: Bentonite, Formaldehyde, Wastewater, Adsorption, Chemistry, Pulp and paper industry, Nuclear chemistry, Waste management