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OVELL AODD pumps are operating in a large printed circuit board (PCB) manufacturing wastewater treatment facility in Jiangmen, China, where more than 40 units of 2-inch and 3-inch plastic air-operated double diaphragm pumps are installed across the wastewater treatment system.
The pumps are mainly used for industrial wastewater transfer and filter press sludge dewatering processes, supporting the continuous treatment of wastewater generated during PCB manufacturing.
This large-scale installation demonstrates how plastic AODD pumps can provide a practical and reliable pumping solution for demanding wastewater applications involving corrosive liquids, suspended solids and sludge.
Printed circuit board manufacturing involves multiple chemical processing stages, including cleaning, etching, plating and surface treatment.
These processes can generate wastewater containing chemicals, suspended solids and other process residues.
A wastewater treatment plant therefore requires reliable pumps to continuously transfer wastewater between tanks and different treatment stages.
At this PCB manufacturing facility, multiple OVELL 2-inch and 3-inch plastic AODD pumps are installed throughout the wastewater treatment system.
The pumps perform two major functions:
Wastewater Transfer
AODD pumps transfer industrial wastewater between collection tanks, treatment tanks and other process stages.
Filter Press Sludge Dewatering
The pumps are also used to feed wastewater sludge into filter press systems, where solids are separated from liquids and compressed into filter cakes for further treatment or disposal.
Wastewater generated during electronics and PCB manufacturing can have very different chemical compositions.
Depending on the process, the liquid may contain acids, alkaline solutions, suspended particles and other treatment chemicals.
This makes pump material compatibility particularly important.
OVELL plastic Air Operated Double Diaphragm Pumps can be configured using suitable wetted materials according to the chemical characteristics of the wastewater.
The installed pumps provide a simple and flexible solution for transferring wastewater throughout the treatment process.
AODD pump technology also provides important advantages for wastewater applications, including:
These characteristics make AODD pumps particularly suitable for industrial wastewater environments where liquid conditions can change throughout the production process.
One of the most important applications at this site is filter press feeding and sludge dewatering.
During wastewater treatment, suspended solids and chemical precipitates form sludge that must be separated from the liquid phase.
The sludge is transferred into a filter press where pressure forces liquid through the filter media while solids remain inside the filter chambers.
As the filter press fills, resistance gradually increases and the pump must continue supplying sludge against increasing pressure.
This operating characteristic makes an air-operated diaphragm pump particularly suitable for many filter press applications.
The pump can automatically reduce its operating speed as discharge resistance increases, helping provide controlled sludge feeding during different stages of the filter press cycle.
More than 40 OVELL diaphragm pumps are installed throughout this wastewater treatment facility.
The installation includes mainly:
Used for medium-flow wastewater transfer, sludge transfer and different treatment processes.
Used for applications requiring higher flow rates and larger wastewater transfer capacity.
Installing multiple pumps across individual treatment lines also allows different sections of the wastewater treatment process to operate independently.
The site photographs show OVELL diaphragm pumps integrated directly into the plant piping system, with individual valves, pipelines and process controls arranged for each treatment section.
Chemical compatibility is one of the most important considerations when selecting pumps for electronics manufacturing wastewater.
Metal pumps may not always be suitable where strongly corrosive liquids are present.
Plastic pump materials can therefore provide an effective option for specific acidic, alkaline and chemical wastewater streams.
Depending on the application, OVELL offers pump configurations using materials such as:
PP — Polypropylene
Suitable for a wide range of industrial chemical and wastewater applications.
PVDF — Polyvinylidene Fluoride
Available for more demanding chemical-transfer applications requiring higher corrosion resistance.
Diaphragm, valve ball and seal materials can also be selected according to the actual chemical composition, temperature and operating conditions.
Wastewater treatment is an essential supporting process for PCB manufacturing.
Pump failure can interrupt wastewater transfer, sludge treatment or filter press operation and may affect the stability of the entire wastewater treatment system.
For this reason, pump reliability, chemical resistance and ease of maintenance are important considerations when designing the system.
The extensive use of OVELL AODD pumps at this Jiangmen facility demonstrates their suitability for large-scale industrial wastewater treatment applications.
From wastewater collection and transfer to sludge feeding and filter press dewatering, OVELL diaphragm pumps provide flexible fluid-handling solutions for different stages of the process.
OVELL provides Air Operated Double Diaphragm Pump solutions for industrial wastewater and chemical-transfer applications across electronics, PCB manufacturing, semiconductor, lithium battery and other industrial sectors.
Available pump sizes range from small chemical-transfer pumps to large-capacity industrial diaphragm pumps.
Pump materials and configurations can be selected according to:
For PCB wastewater treatment applications, OVELL engineers can help select appropriate pump size, wetted materials, diaphragm materials and operating configurations according to the actual process conditions.
OVELL specializes in industrial fluid-handling solutions, including AODD pumps, air-operated double diaphragm pumps, diaphragm pumps and metering pumps.
Our products are used in applications including wastewater treatment, electronics manufacturing, lithium batteries, chemicals, mining, food and beverage and other industrial processes.
For more information about OVELL diaphragm pumps and wastewater treatment solutions:
Global Website:
www.ovellpump.com
China Website:
www.ovellpump.com.cn
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