再生水

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推进废污水“再生” 为城市“解渴”
Zheng Zhou Ri Bao· 2025-07-25 00:47
Core Viewpoint - The Zhengzhou municipal government has issued an action plan to enhance the utilization of reclaimed water in the central urban area, aiming to address water resource scarcity and promote sustainable urban development from 2025 to 2027 [1][2]. Group 1: Action Plan Goals - By the end of 2025, the reclaimed water production capacity is expected to reach 2.5 million tons per day, with a distribution network of 430 kilometers and a utilization rate exceeding 55% [1]. - By the end of 2026, the distribution network will expand to 492 kilometers, with 184 smart water extraction points and a utilization rate exceeding 60% [1]. - By the end of 2027, the network will further extend to 529 kilometers, with 205 smart water extraction points and a utilization rate exceeding 62% [1]. Group 2: Key Tasks - The plan includes promoting the implementation of the "Zhengzhou Reclaimed Water Utilization Special Plan (2021-2035)" to ensure unified allocation of reclaimed water resources [1]. - The construction of sewage treatment facilities will be prioritized to enhance reclaimed water supply, including the expansion and upgrading of existing plants [2]. - The plan emphasizes strict management of water usage, aiming to replace potable and groundwater with reclaimed water for urban uses such as irrigation and road cleaning [3]. Group 3: Industry Development - A "1+N" policy framework will be established to support the development and utilization of reclaimed water, including a market pricing mechanism based on quality [3]. - The plan will implement a supervision and inspection system for reclaimed water quality and supply, ensuring accountability among suppliers and maintenance units [3].
全地下设计!京郊最大再生水厂后年投入使用
Bei Jing Ri Bao Ke Hu Duan· 2025-07-20 06:48
Group 1 - The new underground recycled water plant in Yizhuang New Town is expected to be completed and operational by 2027, becoming the largest recycled water plant in the Beijing suburbs, covering an area of approximately 55 square kilometers [2] - The plant will handle wastewater treatment for over ten temporary treatment facilities, with a treatment capacity that will account for 80% of the total wastewater treatment capacity in the Beijing Economic-Technological Development Area, reaching a daily capacity of 350,000 cubic meters [2] - The construction involves significant excavation work, with a total earthwork volume of 2 million cubic meters, and the plant's structure will occupy 200,000 square meters [2] Group 2 - The project aims to improve water resource utilization and address the shortcomings in wastewater treatment facilities, enhancing the water environment, safety, and ecology in the region [4] - The plant will implement stringent odor control measures, reducing odor concentration from 2000OU to below 600OU, ensuring that no unpleasant smells are detectable at ground level [4] - The recycled water plant will provide high-quality recycled water, with an expected return of 300,000 cubic meters of recycled water to the Liangshui River [2][4]
从“污水”到“清流” 包钢集团打造钢铁行业水资源循环利用新标杆
Nei Meng Gu Ri Bao· 2025-07-02 07:27
Core Viewpoint - The steel industry in China is undergoing a transformation towards high-end, intelligent, and green development, with a focus on efficient water resource management and industrial wastewater treatment as key challenges [1][3]. Group 1: Company Initiatives - Baogang Group has pioneered a "zero discharge" approach to industrial wastewater, turning pollution into a resource and setting a new benchmark for efficient water resource utilization in the steel industry [3][5]. - The total wastewater treatment project at Baogang is the first large-scale zero discharge project for concentrated saline wastewater in the domestic steel industry, capable of treating 350 cubic meters of wastewater per hour [3][5]. - 95% of the treated wastewater is converted into high-quality recycled water for core processes like iron smelting and steel rolling, reducing the consumption of new water from the Yellow River by nearly 3 million tons annually [5][7]. Group 2: Technological Innovations - The remaining 5% of high-concentration saline wastewater is transformed into high-purity sodium chloride and sodium sulfate crystals through evaporation and crystallization technology, re-entering the economic cycle as industrial raw materials [5][7]. - Baogang employs a chemical coagulation and sedimentation method for fluoride removal, achieving a fluoride concentration below 1.5 mg/L, resulting in an annual reduction of 112 tons of fluoride emissions [5][7]. Group 3: Industry Impact - Baogang's investment of nearly 10 billion yuan in ultra-low emission renovations and water management projects marks a shift from passive treatment to proactive recycling [7]. - The transformation from "wastewater" to "clean water" illustrates a successful model for cost reduction and efficiency improvement, providing a replicable green development model for the industry [7]. - The company emphasizes that water resource recycling is not an alternative but a necessary path for the future green development of the steel industry [7].
中原环保:子公司签署再生水供水合同
news flash· 2025-06-24 10:10
Group 1 - The company Zhongyuan Environmental Protection (000544) announced that its wholly-owned subsidiary Zhengzhou Sewage Purification Co., Ltd. signed a reclaimed water supply contract with Zhengzhou Water Group Co., Ltd. [1] - The contract price is set at 0.83 yuan per ton, with a daily supply limit of no more than 300,000 tons [1] - The contract duration is two years, and the settlement amount will be based on the actual supply days and volume [1] Group 2 - Zhengzhou Water Group, a wholly-owned subsidiary of the controlling shareholder of Zhongyuan Environmental Protection, constitutes a related party transaction [1] - For the year 2024, Zhengzhou Water Group is projected to achieve an operating revenue of 2.412 billion yuan, a net profit of 54.7639 million yuan, total assets of 22.333 billion yuan, and net assets of 11.289 billion yuan [1]
苏州工业园区循环经济产业园入选全国绿色低碳典型案例
Su Zhou Ri Bao· 2025-06-21 23:38
Group 1 - The core viewpoint of the news is the recognition of the Suzhou Industrial Park Circular Economy Industrial Park as a typical case for green low-carbon development by the Ministry of Ecology and Environment, highlighting its role in waste management and resource recycling [1][3] - The Circular Economy Industrial Park has established a comprehensive industrial chain that interconnects various facilities for wastewater treatment, organic waste processing, and energy generation, effectively transforming waste into valuable resources [1][2] - The park has achieved significant environmental and economic benefits, processing nearly 100 million tons of wastewater and reducing chemical oxygen demand (CODcr) by over 41,000 tons, while also producing biogas and biodiesel from waste [2][3] Group 2 - The Circular Economy Industrial Park serves as a model for green development in the Yangtze River Delta region, contributing to the ecological environment and economic growth [3] - The park is undergoing a green upgrade focused on pollution reduction, carbon reduction, and efficiency enhancement, with investments in renewable energy projects such as solar power and energy storage [3] - The park aims to optimize its energy utilization structure and increase the proportion of renewable energy, moving towards the goal of a "near-zero carbon" infrastructure [3]
成都双流政企校共谋水资源高效利用新路径
Zhong Guo Jing Ji Wang· 2025-05-21 04:47
Core Insights - The meeting focused on enhancing water conservation awareness and promoting efficient water resource utilization among enterprises in Chengdu's Shuangliu District [1][2] - The Mijiang Water Plant has implemented a series of "zero" measures to streamline water service processes, significantly improving efficiency and reducing burdens on enterprises [2] Group 1: Meeting Highlights - The Shuangliu District Water Authority discussed regulations related to water resource management, emphasizing corporate water-saving responsibilities and incentive policies [1] - Representatives from various enterprises provided feedback on their water usage challenges and praised the improved business environment for water access [1] - The meeting underscored the importance of integrating water-saving concepts into daily operations and enhancing water recycling systems [1] Group 2: Mijiang Water Plant Initiatives - The Mijiang Water Plant introduced the "Five Zero" initiatives to simplify water service processes, including zero materials for applications and zero fees for small installations [2] - Future plans include establishing a long-term water-saving mechanism and enhancing the efficiency of water supply systems [2] - The water plant aims to address enterprise needs through a dedicated service line and a commitment to resolving issues promptly [2]
Consolidated Water(CWCO) - 2025 Q1 - Earnings Call Transcript
2025-05-13 16:02
Financial Data and Key Metrics Changes - Revenue decreased by 15% year-over-year to $33.7 million, primarily due to a $7.3 million decline in the services segment related to completed construction projects [10][12] - Net income from continuing operations attributable to shareholders was $4.9 million or $0.31 per diluted share, down from $6.9 million or $0.43 per diluted share in the same period last year [13] - Gross profit for the first quarter was $12.3 million, approximately 37% of total revenue, compared to $13.9 million or around 35% in the prior year [12][13] Business Segment Data and Key Metrics Changes - Services segment revenue declined significantly due to the completion of major design-build projects, partially offset by a 9% increase in recurring revenue from operations and maintenance contracts [4][5] - Retail segment revenue increased by $786,000, driven by a 13% rise in water sales volume [11] - Manufacturing segment revenue rose by $509,000 to $5.8 million, reflecting improved production activity and a higher margin product mix [12][19] Market Data and Key Metrics Changes - Retail water sales in Grand Cayman saw much higher volumes due to population growth and increased business activity [4] - The Caribbean-based Bulk Water segment revenue remained stable year-over-year, indicating the long-term stable income-generating nature of these operations [4] Company Strategy and Development Direction - The company is focusing on expanding its services in Hawaii, with a significant seawater desalination project expected to be a major growth driver for the services segment in 2026 and 2027 [6][20] - The company is pursuing additional projects in the Western U.S. and exploring opportunities in wastewater treatment, particularly in Arizona and the Southern Caribbean [21][22] - The management is evaluating how to best utilize the large cash balance to increase shareholder value, including potentially increasing quarterly dividends [15] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the ability to deliver steady long-term growth in revenue and profit, driven by strong retail water sales growth, stability in bulk water operations, and ongoing design-build projects [23] - The company anticipates a decline in design-build work in 2025 compared to previous years but expects improvement in the second half of the year as smaller projects commence [21][23] Other Important Information - The company received a new concession from the Cayman Islands government, granting exclusive rights to produce and supply potable water in its service area [16][17] - The expansion of the West Bay seawater desalination plant is underway to meet growing demand, with plans for additional water storage tanks [18] Q&A Session Summary Question: Construction revenue flow for Hawaii project - Management explained that the construction revenue will ramp up as costs are incurred, with a significant portion of revenue expected to be recognized during the construction phase [26][32] Question: Retail segment growth sustainability - Management confirmed that the increase in retail water sales is rooted in permanent population growth and business activity, not just seasonal variations [44][48] Question: Permitting responsibilities for Hawaii project - Management clarified that permitting responsibilities are shared between the company and the client, with some permits taking longer than expected due to government agency processes [60][64] Question: Future opportunities in Asia Pacific - Management indicated that there are no current plans to pursue projects in the Asia Pacific region, focusing instead on opportunities closer to home, particularly in Florida [71][72]
杭州打造全国节水型城市标杆
Hang Zhou Ri Bao· 2025-05-13 03:15
Group 1 - The 34th National Urban Water Conservation Publicity Week has commenced in Hangzhou, focusing on "Implementing Urban Renewal Actions and Promoting Urban Water Conservation" [1] - Hangzhou, as one of the first "National Water-Saving Cities," is integrating water conservation with high-quality urban development, providing a model for nationwide water-saving city construction [1] - Despite abundant water resources, Hangzhou has a per capita water resource amount lower than the provincial average, making the Qiandao Lake water source particularly valuable [1] Group 2 - The city has completed 1,125 residential secondary water supply renovations and plans to upgrade 80.6 kilometers of old water supply pipelines from 2023 to 2024, aiming to reduce public pipeline leakage rate to 3.79% by 2024 [1][2] - The utilization of reclaimed water is a key strategy to address water resource constraints, with a projected reclaimed water usage of 24.4 million cubic meters in 2024, achieving a utilization rate of 19.98% [2] - The New Ao-Xidebao reclaimed water project in the Linping Economic Development Zone utilizes smart technology to convert pharmaceutical wastewater into a valuable resource for the dyeing industry, achieving an annual reclaimed water reuse of 1.1 million tons and a carbon reduction of 1,001 tons [2] Group 3 - Public participation is essential for embedding the water-saving concept into the urban culture, with initiatives such as smart water management displays and community water-saving classes enhancing citizen awareness [2] - The city management authority emphasizes that future efforts will focus on urban renewal to enhance water conservation, implementing quota management to strengthen water-saving efficiency, and innovating services to lead the transformation towards water conservation [3] - The vision of "harmonious water and people" is gradually being realized in Hangzhou through the efficient use of every drop of water, reflecting both the ecological preservation of the Jiangnan water town and the essence of high-quality development [3]
【看见郑州】中原环保:滴滴污水在这里神奇“重生”
Zheng Zhou Ri Bao· 2025-05-13 01:15
Core Viewpoint - Zhongyuan Environmental Protection Co., Ltd. is actively engaged in wastewater treatment and recycling, innovating models such as "reclaimed water+" and "wastewater+photovoltaics" to promote green development [1][3][8]. Group 1: Wastewater Treatment Process - Wastewater undergoes a multi-step purification process, starting from the pump room, through coarse and fine screens, biological reaction pools, and sedimentation tanks, ultimately transforming into reclaimed water suitable for irrigation and river replenishment [3][5]. - The reclaimed water is clear and has a visibility of over 5 meters, resembling bottled mineral water in appearance [5]. Group 2: Technological Innovations - The company has established the Xiaotian Model Worker Innovation Studio to focus on research and application of advanced wastewater treatment technologies, leading to over a hundred innovation projects [5][6]. - Notable innovations include the "brushing robot" for sedimentation tanks and advanced activated carbon adsorption technology, which enhances the treatment of low-concentration pollutants [5][6]. Group 3: Green Development Initiatives - Zhongyuan Environmental Protection is exploring the integration of reclaimed water with clean energy, utilizing the stable temperature and flow of reclaimed water for centralized cooling and heating in urban complexes, significantly reducing energy consumption and carbon emissions [8]. - The company is also implementing "wastewater+photovoltaics" projects, installing solar panels on wastewater treatment facilities to optimize space and resources [8]. Group 4: Future Prospects - The company is set to showcase its wastewater treatment capabilities at the 2025 National Vocational Skills Competition in Zhengzhou, highlighting its contributions to urban development and ecological improvement [9].