1. Shiyan Eastern New District Comprehensive sewage treatment plant and pipe network construction project (Area A), a garden-style sewage treatment plant using landscape ecological biological contact oxidation treatment technology, with a design scale of 1500m3/d, the design effluent water quality meets the "Surface water Environmental Quality Standards" Class IV water standards。
2, Shiyan City Dachuan Town sewage project covers an area of 0.17 hectares, daily treatment of 1,500 tons of sewage, supporting sewage network 7 kilometers, with high efficiency, stability, economy, ecology, landscape and other five characteristics。The water reached Grade A standard。
