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首页> 美国政府科技报告 >Combining Nutrient Removal with Protein Synthesis Using Water Hyacinth-Freshwater Prawn Polyculture Wastewater Treatment System
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Combining Nutrient Removal with Protein Synthesis Using Water Hyacinth-Freshwater Prawn Polyculture Wastewater Treatment System

机译：用水葫芦 - 淡水虾混养废水处理系统将养分去除与蛋白质合成相结合

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摘要

A two-stage polyculture wastewater treatment system, using water hyacinth, Eichhorn crassipes, in the first-stage and a combination of Azolla and the freshwater prawn, Macrobrachium rosenbergii, in the second-stage, was developed at the pilot plant scale to provide tertiary treatment of municipal wastewater. A conceptual three-compartment nitrogen model was also developed to simulate the first-stage of the system. The results of the analysis of the first-stage water hyacinth system indicated that for NJ3-N loadings ranging from 11.6 to 76.1 kg NH3-N/ha-d,NH3-N removals averaged 76.8 percent. Nitrate and ORG-N removals ranged from 24 to 80 percent and 75 to 95 percent, respectively. Overall performance of the polyculture system for the removal of total COD, TSS, total coliforms (MPN), and turbidity (NTU) indicated removals of 58, 98, 99.9, and 94 percent, respectively.

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