Low level heat energy is recovered from municipal wastewater using wastewater source heat pump.

利用污水水源热泵，可回收城市污水的低位能源。

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The Horizontal Type Invert Umbrella Surface Aerator is a vertical-shaft and low-speed aerator. It can be used in the biochemical treatment of municipal sewage and industrial wastewater.

卧式倒伞型表面曝气机为垂直轴低速曝气机，可广泛用于城市污水和各种工业废水的生化处理。

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In this research, a kind of low-cost municipal wastewater treatment process, which consists of Hydrolysis, Anaerobic, micro-aerobic unit, is studied.

本文对一种低耗的城市污水水解—厌氧—微氧联合处理工艺进行了研究。

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