Much has been reported on the treatment of phenol containing waste, the traditional methods are found to be ineffective to remove phenol from solutions in waste water treatment for public water supplies. The following methods are commonly used in the removal of phenol: (i) Centrifugal sedimentation. (ii) Evaporation. (iii) Oxidation with ozone. (iv) Chlorination. (v) […]
How to Remove Phenol from Wastewater?
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How to Treat Wastewater from Pesticides Industry?
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The following article will guide you about how to treat wastewater from pesticides industry. Existing Treatment Facilities: The flow diagrams of wastewater treatment adopted in some of the industries are shown in Figs. 16.18 through 16.24. Pesticides industries have adopted generally two schemes of pollution control as given below: (i) The first scheme is evaporation […]
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How to Treat Wastewater from Refinery?
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Removal of pollutants from oil refinery can be classified in three types of treatments: The classification can also be made on the type of treatment that is: 1. Physical, 2. Chemical and 3. Biological. 1. Physical Treatment: Wastewater may contain coarse, suspended and floating solids, grease etc. These need to be removed before wastewater is […]