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In this paper, analyses were made on the variation of the absorbency, TOC, pH and acute toxicity of the simulated wastewater which contains Acid brilliant blue G in the ozonization process. The intermediate products of the dye ozonization process were detected with GC/MS analysis method. The result showed the ozonization process contains two stages, the decoloring stage and the deep degrading stage...
This is design and development project paper of a low cost Air Sterilization System for developing countries. This proposal focuses mainly on Prefiltering, UV sterilization, negative ionization and ozonization. The Air Sterilization System works on the principle of positive air pressure system. When switched ON, it supplies pure and germ free air in and around the patient's table area. This system...
The biological aerated filter-ozonizing-biological aerated filter processes were applied for advanced treatment of dyeing wastewater after secondary biochemical treatment. When the COD of the influent was between 90 mg/L and 150 mg/L, and the color was between 16 times and 32 times, the COD of effluent was reduced to less than 35 mg/L with the removal rate more than 75%, and the color is reduced to...
Summary form only given. For a bacterial decontamination of critical wastewater outlets like those from hospitals, conventional methods fail. In the presence of organic substances, ozonization or chlorination can produce toxic reagents. Also the penetration depth of UV radiation in thick water is insufficient. With regard to an industrial implementation of the pulsed electric field treatment technique...
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