Workflow
海水淡化水
icon
Search documents
山东无棣建好现代水网推动“苦海沿边”绿色崛起
Core Insights - The article highlights the successful transformation of water resource management in Wudi County, Shandong Province, which has overcome severe water scarcity issues through modern water network construction and innovative management strategies [1][2][3][4][5] Group 1: Water Resource Management - Wudi County faced significant water resource challenges, with per capita water resources only one-fourth of the national average and 67% of agricultural and industrial water relying on the Yellow River [1] - The county has implemented a modern water network construction strategy, integrating multiple departments and investing 4.6 billion yuan in water resources [2] - The introduction of digital technologies has enabled intelligent management of the water supply, drainage, and flood prevention processes [2] Group 2: Infrastructure Development - Significant investments have been made in expanding and enhancing water storage and irrigation capabilities, including 1.2 billion yuan spent on river dredging and the construction of new water gates [3] - The county's water storage capacity has increased by 60 million cubic meters over three years, equivalent to building 13 medium-sized reservoirs [3] - The "West Water East Transfer" project has improved water resource distribution, alleviating flood pressure and addressing irrigation challenges in eastern towns [3] Group 3: Desalination Projects - The North Lu Water Source Desalination Project, with a total investment of 1.5 billion yuan, aims to produce 50,000 tons of fresh water daily, significantly contributing to local water supply needs [4] - The cost of desalinated water has been reduced to 7.5 yuan per ton, making it economically viable for local enterprises and saving them approximately 150 million yuan annually [4] Group 4: Ecological and Economic Impact - The water network construction has not only addressed water scarcity but also enhanced the ecological environment, transforming polluted waterways into scenic areas [5] - The integration of water resources with tourism and agricultural development has created a sustainable model for economic growth, emphasizing the importance of water in urban and rural development [5] - The ongoing improvements in the water network are expected to lead to a high-quality, sustainable water management system in Wudi County, promoting both ecological health and economic prosperity [5]
从哪些方面入手破解青岛水资源短缺问题?
Core Viewpoint - The report emphasizes the urgent need for sustainable water resource management in Qingdao, a key coastal city in northern China, due to severe water shortages that hinder green and high-quality development [1] Group 1: Current Water Resource Challenges - Qingdao's per capita water resource is only 9.5% of the national average, highlighting a critical limitation for local development [1] - Total water usage in Qingdao increased by 4.186 million cubic meters in 2023, while agricultural water usage decreased by 660,000 cubic meters, indicating intensified competition for water resources [1] - The over-extraction of groundwater is a significant issue, with shallow groundwater storage in plain areas decreasing by 116 million cubic meters year-on-year, leading to increased pollution risks and ecological degradation [1] Group 2: Proposed Solutions - Expanding water sources is fundamental, including large-scale seawater utilization and rainwater resource management, alongside the development of seawater desalination and recycled water systems [2] - Comprehensive water conservation strategies are essential, focusing on optimizing industrial layouts, promoting low-water consumption industries, and enhancing agricultural water efficiency [2] - Implementing smart management and regulatory frameworks, such as tiered water pricing and real-time monitoring systems, is crucial for sustainable water resource management [2] Group 3: Legal and Social Frameworks - There is a need to revise water conservation regulations and establish stricter water usage standards, integrating water resource management indicators into government performance evaluations [3] - Encouraging public participation and creating a collaborative governance system involving government, market, and society is vital for improving sustainable water resource utilization [3]
滨州市全省首创水网统一调度机制,水网格局实现“三级互联”
Qi Lu Wan Bao Wang· 2025-09-16 07:32
Core Insights - The city of Binzhou is focusing on reform and innovation to promote high-quality development in urban and rural water management, with significant investments and projects underway to enhance water resource utilization and infrastructure [1][2][3][4] Group 1: Water Resource Management - The city has secured 1.493 billion yuan in non-repayable funds and completed investments of 5.86 billion yuan in 87 water projects, achieving 76.9% of the annual investment plan [1] - A comprehensive water network is being developed, with key projects such as the Dehui New River comprehensive governance and Haihe River basin management nearing completion, enhancing interconnectivity at municipal, county, and township levels [1][3] - The integration of digital technology with water management is being emphasized, with pilot projects for digital twin irrigation districts showing initial success [1] Group 2: Irrigation and Supply - The city is advancing the "Irrigation One Map" initiative to establish a reliable irrigation supply system, aiming for an additional 27.8 million cubic meters of water from the Yellow River, targeting the highest water volume in the province [2] - Urban water supply quality is being improved through the renovation of water supply facilities in 104 residential areas, with 41 projects completed and a total of 50 kilometers of pipeline upgraded [2] - Rural water supply management reforms are being implemented, with direct management of rural water supply by companies in five northern counties, enhancing service delivery [2] Group 3: Water Conservation and Treatment - The city is accelerating the development of water recycling and desalination projects, with five recycling plants and four desalination projects in progress, aiming to utilize 66 million cubic meters of unconventional water, a 10% increase year-on-year [3] - Systematic water management efforts have led to the construction and renovation of 233 kilometers of rainwater and sewage pipelines, with all 58 administrative towns equipped with sewage treatment facilities [3] Group 4: Flood Prevention and Emergency Preparedness - The city has revised its flood emergency plans and established a command platform for flood and drought management, conducting 13 comprehensive drills and addressing 918 risk points [4] - A total of 633 personnel have been assigned responsibilities for flood management, with multiple rounds of rainfall successfully managed through coordinated efforts [4] Group 5: Future Directions - The Binzhou Urban and Rural Water Affairs Bureau plans to continue implementing the "Five Waters Together" strategy, focusing on enhancing water resource management and urban-rural water supply systems [4]
我国海水利用规模扩大
Jing Ji Ri Bao· 2025-07-24 21:57
Core Insights - The 2024 National Sea Water Utilization Report indicates a significant increase in seawater desalination projects and capacity across China, with a total of 158 projects and a capacity of 2.856 million tons per day, an increase of 333,000 tons per day from 2023 [1] Group 1: Desalination Projects - In 2024, there are 61 large-scale seawater desalination projects with a capacity of 2.63 million tons per day, 48 medium-scale projects with a capacity of 200,000 tons per day, and 49 small-scale projects with a capacity of 14,000 tons per day [1] - Major coastal provinces such as Tianjin, Hebei, Shandong, and Zhejiang have significant desalination capacities, with Tianjin at 450,000 tons per day and Shandong at 860,000 tons per day [1] Group 2: Industrial Water Use - Seawater desalination primarily serves industrial water needs, especially in high-water-consumption industries like power generation, petrochemicals, and steel, with some use for domestic water in coastal cities and islands [2] - Large-scale projects like the Tianjin South Port Industrial Zone and the Yantai Longkou Yulong Island desalination project are set to provide crucial water resources for industrial development [2] Group 3: Cooling Water and Chemical Resource Utilization - In 2024, seawater cooling water usage is projected to reach 188.336 billion tons, an increase of 2.957 billion tons from 2023, with significant usage in coastal thermal and nuclear power plants [3] - The report highlights ongoing research and development in seawater resource utilization, including bromine and potassium extraction technologies, particularly in provinces like Tianjin and Shandong [3]
海水资源梯次多元化高效利用收效,多地出台奖补政策
Di Yi Cai Jing· 2025-07-19 02:50
Core Insights - The report highlights the significant progress in seawater desalination projects in China, with a total of 158 projects and a capacity of 2.856 million tons per day in 2024, an increase of 333,000 tons per day from 2023 [1] - Coastal provinces are actively developing large-scale seawater desalination projects to ensure a reliable water supply for high-water-consuming industries such as power, petrochemicals, and steel [1][3] Seawater Utilization Overview - Seawater utilization encompasses desalination, direct use, and chemical resource extraction, with policies encouraging the development of seawater resources in coastal areas [2] - The State Council's regulations prioritize the use of desalinated seawater for new industrial projects in water-scarce coastal regions [2] Industrial Applications - The majority of desalinated seawater is used for industrial purposes, particularly in coastal regions, with some allocated for domestic use in island areas and water-scarce coastal cities [3] - Major projects like the Tianjin South Port Industrial Zone desalination project and others are set to provide essential water resources for industries such as petrochemicals and nuclear power [3][4] Technological Developments - The Tianjin South Port project is a key collaboration under the Belt and Road Initiative, featuring a capacity of 150,000 tons per day and utilizing domestically produced equipment [4] - The report indicates that by the end of 2024, 141 desalination projects will employ reverse osmosis technology, accounting for 68.25% of total capacity [5] Policy Support and Incentives - Various local governments have introduced incentive policies to promote seawater desalination projects, including financial subsidies based on fixed asset investments [6][7]
为海洋经济高质量发展注入澎湃动能(科技视点)
Ren Min Ri Bao· 2025-07-10 22:27
Group 1: Marine Economy Development - The core viewpoint emphasizes the importance of high-quality development in the marine economy as part of China's modernization strategy, driven by technological innovation [1] - The Chinese government is focusing on enhancing independent innovation capabilities in marine technology and fostering leading marine technology enterprises [1] - The article highlights the significance of marine resources and the need for strategic management to boost the marine economy [1] Group 2: Marine Aquaculture - The article discusses the advantages of large-scale aquaculture, specifically the use of oversized net cages that enhance the quality of fish, such as the large yellow croaker [2] - The unique geographical features of the region, including nutrient-rich waters from three rivers, contribute to the area's prominence in yellow croaker production [2] - Innovations in net cage design, such as using high-density polyethylene, improve resilience against harsh weather conditions [2][3] Group 3: Smart Aquaculture Technologies - The integration of smart technologies in aquaculture management allows for real-time monitoring of water quality parameters, significantly reducing disease rates among fish [3] - The establishment of a net-free sound wave marine ranch aims to simulate wild conditions for fish, aiding in the recovery of natural populations [3] Group 4: Wind Power Development - The article outlines the rapid development of offshore wind power in Fujian, with a total installed capacity of 383,000 kilowatts expected by May 2025 [6][7] - The use of domestic equipment in offshore wind projects marks a significant advancement in China's high-end manufacturing capabilities [7] - The article highlights the importance of energy storage solutions to enhance the utilization of offshore wind power [7] Group 5: Seaweed Industry Potential - Seaweed is identified as a valuable resource with significant potential for high-end applications, such as the production of ultra-pure sodium alginate for medical use [8][9] - The successful industrialization of ultra-pure sodium alginate represents a breakthrough in overcoming previous market monopolies [9] Group 6: LNG Dual-Fuel Shipbuilding - The construction of LNG dual-fuel ships is highlighted as a response to international emissions reduction targets, with significant reductions in CO2 emissions [10][12] - The article discusses the challenges faced in developing LNG fuel tanks and the innovative solutions implemented by domestic shipbuilders [11] Group 7: Desalination Projects - The establishment of a large-scale seawater desalination project in Tianjin aims to meet the freshwater needs of the chemical industry, replacing over 5 million tons of freshwater annually [14][15] - The project utilizes advanced dual-membrane desalination technology, achieving significant efficiency in freshwater production [15][16] - The integration of a circular economy model around desalination processes is being developed to enhance resource utilization [16]