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Product Description
Water is one of the most critical operating resources in modern plastic recycling plants. However, traditional plastic washing processes consume massive amounts of freshwater while generating wastewater contaminated with labels, glue residues, organic contaminants, suspended solids, oils, detergents, and hot alkali chemicals.
Without an effective wastewater treatment solution, recycling plants face:
Rising water consumption costs
Higher wastewater discharge fees
Increased chemical consumption
Environmental compliance risks
Reduced operational efficiency
The Chenxing Plastic Recycling Water Treatment System is specifically engineered to recover, treat, and recycle wastewater generated by PET bottle washing lines, plastic film washing lines, HDPE container recycling systems, and industrial plastic cleaning operations.
By integrating advanced filtration, sedimentation, flotation, chemical dosing, and water recirculation technologies, our systems can recover and reuse up to 80% or more of process water, significantly reducing operational expenses while supporting environmental sustainability goals.
Modern recycling facilities operate under increasing pressure to:
Freshwater costs continue to rise worldwide. Recycling and reusing process water dramatically lowers utility expenses.
Governments increasingly regulate wastewater discharge and chemical contaminants.
Closed-loop water recycling systems help manufacturers achieve ESG and sustainability objectives.
Recovered process water requires fewer treatment chemicals compared with continuous freshwater replacement.
Water recovery reduces:
Water purchase costs
Wastewater disposal fees
Heating energy consumption
Chemical procurement expenses
A water treatment system is an integrated wastewater recovery solution that removes contaminants from process water generated during plastic washing operations.
The system treats wastewater through multiple stages:
Solid-liquid separation
Sedimentation
Oil and grease removal
Dissolved air flotation (DAF)
Fine filtration
Chemical adjustment
Water recirculation
The treated water can then be reused in washing lines, reducing freshwater demand and wastewater discharge.
Our systems are designed for wastewater generated by:
Label removal wastewater
Hot washing wastewater
Caustic washing wastewater
Friction washer discharge
Agricultural film washing
LDPE film cleaning
PP woven bag washing
Container washing
Drum recycling
Household plastic recycling
Plastic granulation cleaning
Compound production
Manufacturing wastewater
Wastewater from washing equipment is collected into a treatment system.
Large contaminants are removed through:
Vibrating screens
Collection tanks
Solid-liquid separation devices
This protects downstream equipment.
Suspended solids settle inside specially designed sedimentation tanks.
Benefits include:
Reduced turbidity
Lower filter loading
Improved water quality
For high-capacity systems, micro-bubbles attach to oils, grease, and suspended contaminants.
The flotation process effectively removes:
Labels
Adhesives
Fine particles
Oils
Organic contaminants
Advanced filtration units remove remaining fine particles.
Available filtration technologies include:
Quartz sand filtration
Filter press systems
Multi-stage filtration units
Automatic dosing systems ensure:
Stable pH values
Improved treatment performance
Reduced chemical consumption
Clean treated water is returned to the washing line for continuous recycling.
3 m³/h
Small PET recycling lines
Film washing plants
Compact recycling facilities
Precipitation
Sedimentation
Filtration
Up to 80%
Compact footprint
Easy installation
Low investment cost
Simplified maintenance
20 m³/h
Large PET bottle recycling plants
Industrial plastic washing facilities
Continuous production operations
Filtration
Sedimentation
Dissolved Air Flotation (DAF)
Automatic chemical dosing
Quartz sand filtration
Automated sludge discharge
PLC-based control
Industrial-grade pumps
The system can recover and reuse more than 80% of process water.
Benefits include:
Reduced freshwater consumption
Lower utility expenses
Improved sustainability
Customers typically experience reductions in:
Water purchasing costs
Heating costs
Chemical consumption
Wastewater treatment expenses
Integrated automation provides:
Water level monitoring
Pump control
Chemical dosing control
Alarm systems
Automatic sludge discharge
The treated water quality helps facilities meet increasingly stringent environmental regulations.
The modular structure enables:
Flexible installation
Easy expansion
Faster maintenance
Lower downtime
Available materials include:
SUS304 Stainless Steel
Carbon Steel with Anti-Corrosion Coating
Designed for continuous operation in demanding industrial environments.
Recover hot alkali washing water and reduce overall operating costs.
Improve water utilization in agricultural film and packaging film recycling operations.
Treat wastewater generated during rigid plastic washing.
Recycle cooling and cleaning process water.
Manage wastewater generated during plastic processing and production.
A properly designed water treatment system creates measurable financial advantages:
| Benefit | Impact |
|---|---|
| Water Consumption Reduction | Up to 80% |
| Freshwater Purchasing Cost | Significantly Lower |
| Wastewater Discharge Fees | Reduced |
| Heating Energy Demand | Reduced |
| Chemical Consumption | Reduced |
| Environmental Risk | Lower |
| Production Sustainability | Improved |
For many recycling plants, water treatment systems become one of the fastest-return investments within the entire production line.
We understand the actual wastewater challenges faced by:
PET bottle recyclers
Film recycling plants
Plastic washing operations
Plastic pellet producers
Every recycling plant is different.
Our engineers design systems based on:
Production capacity
Water consumption
Wastewater composition
Local environmental regulations
Plant layout requirements
We provide complete solutions including:
Plastic washing lines
Water treatment systems
Conveying systems
Drying systems
Pelletizing systems
Storage solutions
We support customers worldwide with:
Installation guidance
Commissioning assistance
Process optimization
Spare parts supply
Technical training
Most systems recover approximately 80% or more of process water, depending on wastewater quality and treatment requirements.
Yes. It is specifically designed for PET bottle hot washing wastewater recovery and reuse.
In most recycling applications, treated water can be recirculated back into the washing process, significantly reducing freshwater demand.
Yes. Automatic pH adjustment and dosing systems are available for precise process control.
The system can remove:
Suspended solids
Label residues
Adhesives
Oils and grease
Fine particles
Organic contaminants
Absolutely. Capacity, tank configuration, filtration methods, automation level, and material construction can all be customized.
Standard capacities include:
3 m³/h Compact System
20 m³/h Industrial System
Larger custom capacities can be engineered based on project requirements.
Looking to reduce water consumption, lower operating costs, and improve the sustainability of your plastic recycling plant?
Chenxing Machinery provides complete Plastic Recycling Water Treatment Systems engineered for PET bottle recycling lines, plastic washing plants, and industrial recycling facilities.
We can help you:
Calculate water savings
Design a customized treatment process
Optimize wastewater recycling efficiency
Reduce environmental compliance risks
Improve overall plant profitability
Send us your washing line capacity, daily water consumption, and wastewater characteristics to receive a customized solution and quotation.
