蛋白质是污泥颗粒化的重要因素，而腐殖酸则不利于污泥颗粒的形成。
Protein had great influence on granulation and the maintaining of granule configuration.
实践表明，腐殖土活性污泥工艺可强化对氮、磷的去除，使污泥脱水性能大大改善，实现污水处理流程的无臭化。
The practice shows that the humus soil activated sludge process can enhance nitrogen and phosphorus removal, improve greatly the sludge dewaterability and realize the odor…
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