Is urban sewage treatment still facing these difficulties?
Population growth has led to a surge in sewage volumes, traditional sewage treatment plants occupy large areas and are costly, remote areas have insufficient power grid coverage or high cable laying costs, and treated water quality does not meet environmental standards, posing environmental pressures... Are these problems making your municipal environmental protection projects difficult?
Now, our solar-powered integrated municipal sewage treatment equipment offers a breakthrough solution: its modular design adapts to various scenarios, requiring no complex civil engineering or cable laying. It relies on solar energy for fully automatic operation, and its effluent quality consistently meets standards. This fundamentally lowers the threshold and cost of municipal sewage treatment, making urban sewage treatment more efficient, economical, and worry-free, making it particularly suitable for remote areas with inconvenient power grids.
Core advantage: Redefining municipal wastewater treatment standards
1. Independent solar power supply, completely free from dependence on cables
Adopting high-efficiency monocrystalline silicon solar panels + energy storage battery system to achieve energy self-sufficiency:
No need to lay cables, saving grid access costs (the cost of laying cables per kilometer in remote areas can reach tens of thousands of yuan), and installation is not restricted by grid coverage
The photovoltaic conversion efficiency of the solar panel is ≥23%. Combined with a large-capacity energy storage battery, it can operate stably for 3-5 days in continuous rainy weather.
Intelligent energy management system automatically switches between solar power and backup power (optional) to ensure 24-hour uninterrupted operation of the equipment
2. Modular integrated design saves space, labor and construction time
Breaking the limitations of traditional sewage treatment plants, which are characterized by large construction and long cycles, the equipment integrates screens, anoxic tanks, aerobic tanks, sedimentation tanks, disinfection and other processes into one highly integrated system :
The area occupied is only 1/3-1/5 of the traditional technology, and it can be directly installed on the ground or underground, suitable for limited spaces such as urban vacant lots and green belts.
Prefabricated in the factory, it can be put into production in 3-7 days after on-site hoisting, which shortens the construction period by more than 80% compared with traditional projects.
No need for large-scale pipe network excavation, it can be flexibly connected to the existing sewage collection system, and remote towns, new urban areas, and scenic spots can all be quickly covered
3. Intelligent and fully automatic operation, more reliable with less manpower on duty
Equipped with IoT intelligent control system , it realizes unmanned management of the entire process:
Automatically monitor key parameters such as influent water quality, flow rate, dissolved oxygen, and adjust aeration, reflux and other operating conditions in real time, while optimizing solar energy distribution.
Mobile APP remotely monitors equipment operation data and power status, automatically alarms in abnormal situations, and supports remote start and stop and parameter adjustment
No professional operation and maintenance team is required, only regular inspections are required, which greatly reduces labor costs (annual operation and maintenance cost savings of approximately RMB 300,000 per 10,000 tons)
4. The effluent water quality meets the standards and meets strict environmental protection requirements
Adopt A²/O+MBR membrane bioreactor or SBR sequencing batch treatment process (customizable according to needs) to ensure stable effluent:
Full coverage of Class A emission standards: COD≤50mg/L, BOD≤10mg/L, SS≤10mg/L, ammonia nitrogen≤5mg/L, and some indicators can reach Class IV standards for surface water
Strong resistance to shock loads, even if the influent water quality fluctuates (such as a sudden drop in sewage concentration during the rainy season), it can still maintain a stable treatment effect
Equipped with ultraviolet/chlorine dioxide disinfection module to completely kill germs and avoid secondary pollution
5. Low energy consumption and low noise, in line with the concept of green municipal administration
Implementing the "dual carbon" goal, equipment operation is more energy-efficient and environmentally friendly:
The energy-saving aeration system and variable frequency water pump are combined with solar power supply, and the energy consumption cost per ton of water is almost zero, which reduces the energy consumption cost by more than 90% compared with traditional processes.
Fully enclosed design + sound insulation treatment, operating noise ≤ 55 decibels, can be installed around residential areas without disturbing others
The sludge output is small and easy to handle. It can be dehydrated and then used as a resource (such as making organic fertilizer) to achieve sludge reduction and harmlessness.
6. Durable and corrosion-resistant, 20-year long-term operation guarantee
The main body of the equipment is made of glass fiber reinforced plastics or Q235B anti-corrosion carbon steel , and key components are imported brands:
Resistant to corrosive substances such as acid, alkali, and salt in sewage, the solar panels and battery system have an IP65 protection level, adaptable to harsh environments, and a service life of more than 20 years.
The membrane components (if MBR process is selected) are made of pollution-resistant materials, have a long cleaning cycle and a service life of 3-5 years.
Supports modular expansion. As the urban population grows, the processing capacity can be increased by adding processing units and solar panel arrays to avoid repeated investment.
Applicable scenarios: Covering all types of municipal sewage needs
Centralized sewage treatment in remote towns : Solve the problems of insufficient grid coverage and high cable laying costs. A single set of equipment can treat the domestic sewage of 500-5000 people.
Wastewater treatment in scenic areas/resorts : In scenic areas far from mains electricity access points, the equipment is integrated with the natural environment, and solar panels can be designed as landscape elements to treat tourists' living and catering wastewater.
New urban area supporting projects : as temporary or permanent sewage treatment facilities, they can quickly respond to the needs of urbanization construction, especially suitable for areas where environmental protection comes first and infrastructure construction comes later.
Renovation of old plant areas : replacing inefficient traditional treatment facilities, improving water quality compliance, and meeting environmental upgrade requirements
Emergency sewage treatment : In the event of a sudden power outage or sewage treatment plant maintenance, rapid deployment can be made to ensure that sewage meets discharge standards.
Working principle: scientific process ensures treatment effect
Taking the mainstream A²/O+MBR process as an example, the treatment process is clear and efficient:
Screen pretreatment : intercepts large particles of impurities such as plastic bags and branches in sewage to protect subsequent equipment
Anaerobic tank : Anaerobic bacteria decompose macromolecular organic matter in sewage, releasing phosphorus, laying the foundation for denitrification and phosphorus removal
Anoxic tank : Denitrifying bacteria convert nitrate into nitrogen gas, achieving denitrification and reducing ammonia nitrogen content in the water
Aerobic pool : The solar-powered aeration system provides sufficient oxygen, aerobic bacteria degrade organic matter, and phosphate-accumulating bacteria absorb phosphorus.
MBR membrane filtration : The ultrafiltration membrane intercepts activated sludge and suspended solids, produces clear permeate, and the sludge is returned to the anaerobic tank for recycling
Disinfection : Ultraviolet light or chlorine dioxide disinfection, kill pathogenic bacteria such as E. coli in the water, and discharge in compliance with standards
Energy supply : Solar panels collect electricity and store it in batteries, and the intelligent control system distributes energy to each operating module to ensure stable power supply
Customer Case: Successful Practice in Municipal Wastewater Treatment
A wastewater treatment project in a remote township in Vietnam : Due to insufficient grid coverage, the domestic wastewater of 3,000 residents in this town had long been discharged directly. After using a 200m³/d integrated solar system, no cables were required, and the effluent COD level remained stable at 30-40mg/L, with ammonia nitrogen ≤3mg/L. After one year of operation, the electricity cost was almost zero, saving 800 square meters of land.
Yunnan Mountain Scenic Area Project : The scenic area has an average of 5,000 visitors per day and is located far from mains electricity, with mixed sewage from restaurants and domestic uses. A 500m³/d underground solar system with a fully enclosed design eliminates odor. The treated water is used for irrigation in the scenic area, saving 200,000 yuan in water costs annually. The solar panels are highly integrated into the scenic landscape.
Guangxi Border Village Project : Four villages without grid coverage were equipped with four 100m³/d solar energy systems in parallel. Installation and commissioning were completed in 30 days. Using solar energy, the project achieved sewage treatment standards, solving environmental and health problems for over 2,000 villagers.
Compared with traditional sewage treatment plants: Why choose integrated solar energy equipment?
Comparison Item | Solar municipal integrated sewage treatment equipment | Traditional sewage treatment plants |
Energy supply | Independent solar power supply, no cables required | Dependence on the power grid, requiring laying of cables |
Floor space | Small (1/3-1/5) | Large (space for expansion needs to be reserved) |
Construction period | 3-7 days (on-site installation) | 6-12 months (including civil engineering) |
Operating energy costs | Nearly zero (solar energy) | High (0.4-0.6kWh/ton of water) |
Operation and maintenance costs | Low (few staff on duty) | High (professional team required) |
Water quality stability | High (intelligent adjustment) | Low (susceptible to load fluctuations) |
Flexibility | Movable, expandable, and not restricted by the power grid | Fixed and immovable, dependent on the power grid |
Immediately start a new model of efficient sewage treatment
As the decision-maker for municipal environmental protection projects, you need solutions that can be implemented quickly, meet standards stably, and be cost-effective, especially in areas with inconvenient power grids. We provide:
Customized solutions: Customize processes and solar energy systems based on sewage volume, water quality characteristics, local sunshine conditions, and discharge standards, and provide free water quality testing and solution design.
Full-cycle service: providing "turnkey" services from equipment production, installation and commissioning to operation and maintenance training and spare parts supply
Policy adaptation: Assist in connecting with environmental protection departments and new energy subsidy policies to ensure that the project complies with local policy requirements and help obtain subsidy funds