山东省肥城市深入践行"节水优先、空间均衡、系统治理、两手发力"治水思路，积极探索水资源循环利 用新模式，打造"污水处理+湿地净化+再生水循环利用"特色路径，让废水变"活水"。 位于肥城市石横镇的国家能源集团山东石横热电有限公司是肥城再生水利用的受益大户，日均用水量约 6吨，用于发电及供热。此前企业用水长期依赖黄河水，水质含盐量较高导致设备损耗问题突出，仅保 安过滤器滤芯每年就需更换6次左右。 "使用再生水后，与全部使用黄河水相比，每年少产生废水量约60万吨，锅炉补给水处理系统离子除盐 系统周期制水量由1.7万吨提高到7.2万吨，每年减少酸碱用量72吨。"国家能源集团山东石横热电有限公 司生技部化学专工宋义宏介绍，现在设备运行状态持续优化，滤芯更换次数降至每年2次。 据肥城市康汇污水处理厂经理助理生产科科长宋延辉介绍，尾水先经过厂内处理达到基本排放标准，再 排入800亩的康汇河表流湿地，借助水生植物和自然生态的自净能力，吸附降解剩余污染物，实现水质 稳步提升。 而经湿地净化后的水，会被输送至康润水务有限公司再生水厂，这里采用"超滤+反渗透"双膜法工艺进 行深度处理，确保出水水质远超《城市污水再生利用工业用水水质 ...

Core Viewpoint - The Qingdao Fenghe Ecological Sports Park project has reached the main structure topping, representing Shandong's largest underground sewage treatment plant, integrating ecological and recreational spaces with modern wastewater treatment capabilities [1][3]. Group 1: Project Overview - The project features an innovative design combining an ecological wetland, sports, leisure, and cultural experiences over a thousand acres above ground, while housing a sewage treatment facility with a daily processing capacity of 300,000 tons underground [1][3]. - Located at the northern bank of the Fenghe River estuary in Qingdao's West Coast New Area, the project aims to meet the sewage treatment needs of a surrounding area of 112 square kilometers and supports Qingdao's "Park City" initiative [3]. Group 2: Treatment Process - The wastewater treatment process includes multiple stages: pre-treatment, rapid sedimentation, improved AAO biological pool, secondary sedimentation, high-efficiency sedimentation, deep bed filtration, ultraviolet treatment, and ozone catalytic oxidation [3]. - Treated water will be reused for irrigation in the above-ground park, promoting water resource recycling [3]. Group 3: Construction Challenges and Solutions - The project faced challenges such as complex coastal geology and high water levels during construction [3]. - The construction team employed a "pile anchor + soil nail wall" support technology for deep foundation protection and developed a "reverse plug" device to address slurry loss during anchor cable construction [3]. Group 4: Environmental Protection Measures - The construction team prioritized ecological protection by setting up temporary uplift dams and interception ditches in the reed wetland environment [3]. - A 200 cubic meter reclaimed water system was established to treat construction wastewater for onsite dust control, achieving both economic and ecological benefits [3].

Core Insights - The Chinese urban water supply industry is entering a mature phase, with total water supply expected to reach 704.88 billion tons in 2024, a year-on-year increase of 2.52% [1][13]. Industry Overview - Urban water supply is a vital municipal infrastructure system consisting of water source extraction facilities, water treatment plants, and distribution networks, adhering to principles of water source development and conservation [3]. - The industry is closely linked to urbanization, with the urbanization rate in China increasing from 58.52% in 2017 to 67% in 2024, driving demand for both domestic and industrial water [8]. Supply Scale - The total length of urban water supply pipelines in China has grown from 710,200 kilometers in 2015 to 1,199,500 kilometers in 2024, with a compound annual growth rate of 6% [9][10]. - The comprehensive production capacity of urban water supply is projected to be 34.418 million cubic meters per day in 2024, with a utilization rate of 56.11%, an increase of 0.08 percentage points year-on-year [11][12]. Demand Scale - The urban water user population in China increased from 451 million in 2015 to 564 million in 2023, with a compound annual growth rate of 2.85%. However, it is expected to slightly decline to 564 million in 2024 [15]. Competitive Landscape - The urban water supply industry features a diversified competitive landscape characterized by state-owned dominance, the rise of private enterprises, and foreign investment penetration. Major players include Beijing Enterprises Water Group, Beijing Capital Eco-Environmental Protection Group, and others [16][17]. Development Trends - The industry is shifting from a focus on quantity expansion to ensuring quality and safety in water supply, emphasizing comprehensive water quality monitoring and risk management [18]. - Business models are evolving from traditional water supply to integrated water service providers, offering a range of value-added services [19]. - Value creation is transitioning from cost control to leveraging data assets and smart operations, utilizing IoT and AI for enhanced efficiency and decision-making [20].

Core Viewpoint - The company has successfully implemented a floodwater recovery system that not only alleviates flood pressure but also reduces water costs and promotes regional water resource recycling [1][4]. Group 1: Floodwater Recovery System Implementation - The company developed a low-cost floodwater recovery system after experiencing severe flooding in September 2021, which allowed for the collection and treatment of floodwater for production use [2][4]. - The system was operational by September 28, 2021, and significantly increased the daily recovery of floodwater from 7,200 cubic meters to 9,600 cubic meters after initial implementation [2]. Group 2: Economic and Environmental Benefits - The floodwater recovery system has supplemented the company's water needs, reducing reliance on the Yellow River and saving approximately 9,600 yuan daily in water costs based on a rate of 4.8 yuan per cubic meter [4]. - By November 30, 2025, the system had contributed a total of 64,809 cubic meters of production water, effectively addressing water supply challenges and enhancing ecological protection [4]. Group 3: Operational Maintenance and Innovation - The company has integrated the floodwater recovery system into its daily management, ensuring regular maintenance and monitoring to sustain its operational efficiency [5]. - Continuous innovation in floodwater recovery processes and the integration of smart water management systems are prioritized to enhance flood safety and resource efficiency [6].

Group 1 - The construction of the Guanshan River Reservoir in Guancheng County is a strategic project aimed at addressing regional water resource bottlenecks, with a total capacity of 12.6 million cubic meters [1] - As of now, the main dam filling is approximately 95% complete, and key structures such as the intake pump station and water pipelines are over 80% finished, progressing as planned [1] - The project will create a coordinated regulation system with the Ran Hai Reservoir, providing stable and reliable water sources for urban and industrial use in Guancheng County [1] Group 2 - The Guancheng Industrial Water Plant has established a closed-loop system for water resource recycling, effectively reducing groundwater extraction and aiding in groundwater environmental restoration [2] - Guancheng County has initiated six water conservancy projects this year, with a total investment exceeding 1.012 billion yuan, covering flood control, irrigation, and water supply [2] - The county aims to enhance the modern water network system by focusing on interconnection, network supplementation, and strengthening links, ensuring timely completion and quality of each project [2]

Core Insights - The article highlights a "water revolution" in Liaocheng, Shandong, driven by technological innovation to address severe water scarcity issues [1] Group 1: Digital Twin Technology in Irrigation - The Weishan Irrigation District has implemented a digital twin platform that enhances water management efficiency by 11% through real-time monitoring of water levels, flow rates, and crop water needs [2] - The district covers an irrigation area of 5.18 million acres, accounting for 65% of Liaocheng's total arable land, and has supplied over 61 billion cubic meters of water since its inception [2][3] - The digital twin system includes a comprehensive sensing network with 1,182 water monitoring stations and 1,100 video surveillance points, ensuring full coverage and efficient data transmission [3] Group 2: Industrial Water Recycling - Liaocheng is developing a "second water source" through industrial water recycling, with a new facility in Guancheng capable of treating and reusing 70,000 cubic meters of water daily [4] - The facility's closed-loop system significantly reduces the extraction of fresh groundwater, with cost savings of approximately 270 million yuan annually for companies using recycled water [4][5] - The average groundwater depth in Guancheng has improved by 0.82 meters compared to the previous year, indicating positive environmental impacts from reduced groundwater extraction [6] Group 3: Agricultural Water Efficiency Innovations - The integration of irrigation, drainage, and fertilization through underground networks in Yanggu County reduces costs and land usage, with investments ranging from 400 to 800 yuan per acre [7] - The modern agricultural park in Chiping District employs precision drip irrigation and AI technology to optimize water usage, achieving a 66% reduction in water consumption per plant [8] - The park's fish farming operations utilize a closed-loop system that recycles water and nutrients, enhancing productivity significantly compared to traditional methods [8][9] Group 4: Overall Impact on Economic Development - Liaocheng's approach to water resource management through technology and systematic governance is transforming water constraints into drivers of high-quality economic development [9]

Group 1 - The core viewpoint of the articles highlights the significant water conservation efforts and innovative practices implemented by Wanhua Chemical Group, which have established it as a leader in water resource management in China [1][2][3] Group 2 - Wanhua Chemical has saved 160 million tons of conventional water annually through a comprehensive water-saving system that includes unconventional water utilization, technological innovation, and wastewater recycling [1] - The company has built the largest municipal sewage recycling project in China, with a capacity of 200,000 tons per day, providing over 60 million tons of water annually [1] - Wanhua has developed a leading seawater desalination facility in Penglai, which can supply over 30 million tons of water annually, utilizing advanced single-membrane technology [1] Group 3 - The industrial wastewater recycling project at Wanhua's Yantai and Penglai parks has a total design capacity of 180,000 tons per day, making it the largest single-company industrial wastewater dual-membrane recycling project in China [2] - The project achieves an 85% reuse rate of treated water and has saved over 26 million tons of conventional water annually, accumulating a total of 110 million tons saved [2] Group 4 - Wanhua has implemented various innovative measures to further enhance water conservation, including using chemical waste heat for municipal heating, which reduces evaporation by 4.6 million tons annually [2] - The company has also introduced technologies that reduce cooling tower water replenishment by 9.2 million tons annually and has established a rainwater management system that recycles 1.2 million tons of rainwater each year [2] Group 5 - A closed-loop management system has been established to classify wastewater, monitor fire water systems, and implement various water-saving measures, resulting in an annual water saving of over 2.4 million tons [3]

Core Insights - The company currently processes 22,500 tons of wastewater daily, with an expected processing capacity of 7.2 million tons by 2025, achieving 100% reuse of treated water for maximum water resource recycling [1][3] Group 1: Wastewater Treatment Process - The wastewater treatment facility employs a comprehensive process to transform urban sewage into valuable resources, starting with the interception of solid impurities through grating machines and sedimentation tanks [3] - The treatment involves biological decomposition of organic pollutants using microorganisms, followed by advanced treatment techniques that remove nitrogen, phosphorus, and suspended solids [3] - Treated reclaimed water is utilized for urban landscaping, road cleaning, and cooling water for thermal power plants, establishing a stable water source for the city [3] Group 2: Resource Recovery and Environmental Impact - The sludge generated during the purification process is converted into organic fertilizers through harmless treatment, embodying the principle of "turning waste into treasure" [3] - The initiative reflects a commitment to the circular economy, transforming wastewater into a resource that supports urban development and enhances ecological sustainability [3] - The city of Ordos has established a positive cycle of "treatment—reuse—efficiency," reinforcing its water ecological barrier and promoting green, low-carbon development [3]

Core Viewpoint - The article highlights the innovative practices of Everbright Water (Zibo) Co., Ltd. in wastewater treatment and the utilization of reclaimed water, showcasing its role in addressing industrial water challenges and contributing to ecological sustainability in Zibo City [1][2][6]. Group 1: Wastewater Treatment Process - Everbright Water employs a multi-step purification process to transform polluted wastewater into clear reclaimed water, meeting the Class IV surface water quality standards and Class I A standards for various industrial and ecological uses [2]. - The company operates three wastewater treatment plants and one reclaimed water plant, with a total treatment capacity of 400,000 tons per day, significantly improving regional water quality [2]. Group 2: Smart Management and Efficiency - The company utilizes a smart management system that allows for real-time monitoring and precise control of the wastewater treatment process, enhancing efficiency and energy conservation [3]. - The intelligent system supports accurate aeration and chemical dosing, leading to improved operational performance and reduced resource consumption [3]. Group 3: Reclaimed Water Utilization - Everbright Water has a reclaimed water supply capacity of 9,600 tons per day, equating to an annual supply of 3.5 million tons, which alleviates pressure on conventional water sources and supports industrial production [4]. - The reclaimed water is used not only for industrial purposes but also for urban greening, road cleaning, and ecological replenishment, creating a closed-loop system for water resource utilization [4]. Group 4: Social Responsibility and Education - The company actively engages in social responsibility initiatives, including water conservation education, and has established a water-saving education base that hosts over 500 visitors annually [5]. - Everbright Water has received multiple accolades for its contributions to environmental protection and water resource management, positioning itself as a benchmark enterprise in the industry [5]. Group 5: Future Outlook - The company aims to continue focusing on technological innovation and optimizing its operational models to enhance wastewater treatment efficiency and expand the applications of reclaimed water [6]. - There is a commitment to integrating water recycling concepts into urban development, contributing to the establishment of a water-saving society in Zibo [6].

Core Insights - The company JinKe Environment has achieved significant recognition for its newly developed water-saving intelligent equipment, New Water Island®, by obtaining two prestigious certifications, enhancing its market credibility and competitive edge [2][5]. Certification Achievements - New Water Island® received the national environmental product certification from the China Quality Certification Center (CQC), which focuses on product environmental performance and compliance, serving as a key criterion for market access and government procurement [2][5]. - The product also passed a joint evaluation by five departments in Beijing, receiving the "Beijing New Technology, New Product, New Service" certificate, emphasizing its technological originality and market application value [2][5]. Product Advantages - New Water Island® innovatively reconstructs traditional water treatment models through modular design and industrial production, achieving a 90% reduction in construction time, space, and operational personnel, and a 50% decrease in lifecycle costs compared to traditional water treatment plants [5]. - The product focuses on resource utilization, converting wastewater into high-quality recycled water, thus reducing reliance on fresh water and lowering wastewater discharge, aligning with national strategies for efficient water resource use and sustainable development [5]. - It has a flexible processing capacity ranging from 2000 to 50000 m³/d, making it suitable for various industrial sectors such as PCB electronics, photovoltaics, semiconductors, and chemical industries, as well as for urban and regional applications [5]. Market Implementation - New Water Island® has been successfully implemented in multiple regions across China, including projects in Wuxi, Shanxi, and Henan, demonstrating its adaptability and significant market potential in promoting industrial water conservation and resource recycling [5].