SONGRui-ping,TAORu-jun,LIZhi-xing,et al.Application of Green Municipal Concept in Municipal Wastewater Treatment Plant to Reach Carbon Peak and Neutrality Goals[J].China Water & Wastewater,2022,38(16):61-65.
双碳目标下城镇污水处理厂的绿色市政理念应用实践
- Title:
- Application of Green Municipal Concept in Municipal Wastewater Treatment Plant to Reach Carbon Peak and Neutrality Goals
- 摘要:
- 仙居县污水处理厂二期工程是台州市“五水共治”重点工程，采用“预处理+二级生化处理+深度处理+人工湿地+消毒处理”多级污水处理组合工艺，出水水质可达到《台州市城镇污水处理厂出水指标及标准限值表（试行）》要求的准Ⅳ类水质标准。在能源回收与节能降耗方面，通过充分利用污水处理构筑物上部空间实施光伏发电技术实现厂内16%的电量自给，相应减少16%的外源CO2；利用人工湿地技术实现出水水质由一级A标准提升至准Ⅳ类标准的深度净化，所需电费和维护费在总运行成本中占比仅15%。而且人工湿地还是海绵城市建设的一部分，结合周边海绵厂区建设可实现对降雨的有效消纳和循环利用。此外，该工程通过全面推行BIM技术及数字化应用实现了数字孪生、智慧管理，确保设计内容高效实施。该工程充分展示了双碳目标下绿色市政理念在城镇污水处理厂中的成功应用与实践。
- Abstract:
- Xianju wastewater treatment plant phase Ⅱ project is the key project of “five water co-treatment” in Taizhou City. The multi-stage combined process consists of pretreatment, two-stage biochemical treatment, advanced treatment, constructed wetland and disinfection. The effluent quality meets the quasi class Ⅳ limit specified in Effluent Indicators and Standard Limits of Taizhou Urban Sewage Treatment Plant (Trial). In terms of energy recovery, energy saving and consumption reduction, 16% self-sufficiency of electricity in the plant was achieved and 16% exogenous CO2 was correspondingly reduced by fully utilizing the upper space of sewage treatment structures to implement photovoltaic power generation technology. The constructed wetland realized the deep purification of effluent quality from the first class A standard to quasi class Ⅳ standard, and the electricity and maintenance cost only accounted for 15% of the total operating cost. In addition, constructed wetlands were also a part of sponge city construction, which effectively accepted and recycled rainfall combined with the construction of surrounding sponge factories. The project realized digital twinning and intelligent management through the comprehensive implementation of BIM and digitalization technology to ensure the efficient implementation of the design scheme. This project fully demonstrated the successful application and practice of green municipal concept in municipal wastewater treatment plant under carbon peak and neutrality goals.
相似文献/References:
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