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　HAOXiao-di,LIJi,WUYuan-yuan,et al.Blue Water Factories (BWFs): Framework and Technologies[J].China Water & Wastewater,2023,39(4):1-11.
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蓝色水工厂：框架与技术

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第39卷 期数: 2023年第4期 页码: 1-11 栏目: 出版日期: 2023-02-17
Title:
Blue Water Factories (BWFs): Framework and Technologies
作者:
郝晓地1， 李季1， 吴远远2， 李爽2， 李伏京2， 王征戍2， 蔡然2， Mark van Loosdrecht1,3
（1.北京建筑大学城市雨水系统与水环境教育部重点实验室 中-荷污水处理技术研发中心，北京 100044；2.北京首创生态环保集团股份有限公司，北京 100044；3.代尔夫特理工大学，荷兰）
Author(s):
HAO　Xiao-di1， LI　Ji1， WU　Yuan-yuan2， LI　Shuang2， LI　Fu-jing2， WANG　Zheng-shu2， CAI　Ran2， VAN LOOSDRECHT　Mark1，3
（1. Sino-Dutch R & D Centre for Future Wastewater Treatment Technologies， Key Laboratory of Urban Stormwater System and Water Environment ， Beijing University of Civil Engineering and Architecture， Beijing 100044， China； 2. Beijing Capital Eco-Pro Group Co. Ltd.， Beijing 100044， China； 3. Delft University of Technology， the Netherlands）
关键词:
蓝色发展;  碳中和;  磷回收;  好氧颗粒污泥;  污泥焚烧;  余温热能
Keywords:
blue development;  carbon neutrality;  phosphorus recovery;  aerobic granular sludge (AGS);  sludge incineration;  thermal energy
摘要:
在目前的环境压力下，循环经济得到快速发展，而强调纳入生态循环的蓝色发展则突显人类回归自然的属性。传统污水处理虽然是人类排泄物的“清道夫”，但自身高能耗、高物耗且不回收其中的价值资源，使其处于一种“不得不前行，而又很难可持续”的尴尬境地。在蓝色发展指引下，污水处理完全可以藉理念与技术转变为蓝色水工厂。蓝色水工厂强调营养物、生物材料、热/电和水回用等循环，主要针对潜在环境压力涉及的两大问题——温室气体（需碳中和）和磷危机（要磷回收）。蓝色水工厂以被誉为下一代污水处理技术的好氧颗粒污泥为核心工艺，干化焚烧被用作剩余污泥处理/处置方式，强调回收各种价值资源/能源，如前端纤维素、颗粒污泥高值类藻酸盐（ALE）、污泥焚烧电/热、焚烧灰分磷与金属等，特别重视出水余温热能利用。蓝色水工厂在独特智慧控制模式下最终对环境可以实现“净零（Net-zero）”影响，同时获得可观的经济效益。为此，详述了蓝色水工厂之框架及相关技术。
Abstract:
Increased environmental pressures have forced us to develop the circular economy. The blue development focusing on ecological cycles highlights the attribute of human beings going back to nature. Wastewater treatment is a kind of “scavenger” for our feces. However, high consumption of energy and chemical usage and little in valuable resources recovery makes it be in an embarrassing situation: “having to go ahead but being unsustainable”. Based on the blue development principles, appropriate ideas and technologies are required for the transformation of conventional activated sludge treatment process into“blue water factories (BWFs)”. BWFs emphasize four sustainable cycles as nutrients, biomaterials, heat/power and water, focusing on alleviating two potential environmental stresses: greenhouse gases (carbon neutrality needed) and phosphorus crisis (phosphorus recovery required). BWFs take the next generation of wastewater treatment: aerobic granular sludge (AGS) as a key technology, and sludge drying and incineration are applied as the ultimate disposal for excess sludge. Valuable resource and energy is mainly recovered, such as celluloses from influent, highly valuable alginate-like extracellular (ALE) from AGS, heat and power from sludge incineration, phosphate & metals from incineration ash, and especially potential thermal energy from effluent. BWFs can not only realize the “Net-zero” impact on the total environment but also obtain a considerable economic benefit under the control of special smart system. The article introduced the framework and the key technologies associated with BWFs.

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更新日期/Last Update: 2023-02-17