Pioneered the resource utilization of wastewater across the entire photovoltaic battery industry chain (crystal pulling, machining, slicing, and cell) in China, we have completed over 60 projects with a total capacity of 300GW.

Machining and Slicing Wastewater Treatment and Resource Utilization Technology
Technical Features
Accurate dosing for pH adjustment and precision separation technology to achieve high recovery value of silicon powder.
Utilize "high-efficiency solid-liquid separation process" to achieve high removal rates for silicon powder of different particle sizes and densities.
Intelligent dosing control to address watermark issues in the reuse of machining wastewater.
Multi-stage solid-liquid separation technology facilitates the resource recycling of cutting fluid.
New filter press structure and intelligent control system effectively manage black liquor issues.
Utilize "high-efficiency solid-liquid separation process" to achieve high removal rates for silicon powder of different particle sizes and densities.
Intelligent dosing control to address watermark issues in the reuse of machining wastewater.
Multi-stage solid-liquid separation technology facilitates the resource recycling of cutting fluid.
New filter press structure and intelligent control system effectively manage black liquor issues.
Crystal pulling cleaning and solar battery wastewater resource recycling
Technical Features
Effectively address issues such as silica fouling and low fluoride desalination rates.
Integration of production line water recovery and wastewater recycling technologies to improve the recycling rate of solar battery wastewater.
Integration of production line water recovery and wastewater recycling technologies to improve the recycling rate of solar battery wastewater.

Application of Integrated Membrane Technology in Solar Wastewater Reuse
Technical Features
Utilizing the "MBR+UF+RO" full membrane process, the first successful domestic implementation of stable water resource recovery in the solar wafer and battery industries.
Developed and applied calcium- and silicon-based membrane fouling prediction and prevention technologies.
Achievement of high-concentration wastewater recycling and reduced discharge.
Developed and applied calcium- and silicon-based membrane fouling prediction and prevention technologies.
Achievement of high-concentration wastewater recycling and reduced discharge.
Low-Carbon Nitrogen Removal Coupling Process
Technical Features
The combination of HEDeNiteTM 、 HEDeAmmonTM , and the Variable Micro-Power Reflux AO system.
Ensure stable operation with significant reduction in both footprint and operational costs (traditional 7,000 m2 vs. 3 towers with 6.5-meter diameter).
Coupled with sulfur-iron autotrophic denitrification filter process, further reducing costs and improving effluent quality.
Ensure stable operation with significant reduction in both footprint and operational costs (traditional 7,000 m2 vs. 3 towers with 6.5-meter diameter).
Coupled with sulfur-iron autotrophic denitrification filter process, further reducing costs and improving effluent quality.

Simultaneous Nitrogen and Calcium Removal Process
Technical Features
A staged denitrification control system that enables simultaneous nitrogen and calcium removal.
Automatic separation of calcium-containing sludge, maintenance of high biological sludge activity, and assurance of effective nitrogen removal.
The reduction of calcium hardness significantly enhances the resource recycling of wastewater.
Automatic separation of calcium-containing sludge, maintenance of high biological sludge activity, and assurance of effective nitrogen removal.
The reduction of calcium hardness significantly enhances the resource recycling of wastewater.