Deep Denitrification of Domestic Sewage by Sulfur-based Mixotrophic Denitrification Filter
Abstract:As a result of relevant policies and regulations, most wastewater treatment plants are faced with upgrading to further improve the level of effluent targets. To this end, this paper conducts an experimental study on deep denitrification in the sulfur Oyster shells mixotrophic nitrification filter process using sulfur as filler. During the experiments, when the water temperature in the mixotrophic pool was 15 °C, the nitrogen load of the inflow was 7.3 × 10 −3 kg/m 3 •d and HRT equaled to 3.5 h, the average TN … Show more
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