Environmental
The plant operates inside its environmental obligations.
- Compliance with environmental regulation
- Reduced load on the sewer connection
- Lower environmental exposure for the business
Effluent treatment for anodizing lines
EVESS designs and manufactures complete effluent treatment plants for aluminium anodizing lines. They collect and segregate process effluent, treat it effectively, neutralise acid and alkaline solutions, remove heavy metals, recover valuable components from the process solutions, and prepare the treated water for safe discharge or for reuse in production.
Effluent treatment plant for a surface finishing line: reagent dosing, neutralization reactors, clarifiers, filter press and holding tanks
The treatment plant is engineered as a single process system, integrated with the anodizing line and its control platform. The equipment configuration is decided case by case, against line throughput, the volume and composition of the effluent, the process chemistry in use, the plant's operating pattern, the applicable environmental regulations and the required quality of the treated water.
Treating the plant as one engineering problem is what delivers stable treatment, accurate reagent dosing, control over the governing process parameters and reliable operation when the incoming effluent shifts in volume or composition. In practice that means lower water and chemical consumption, lower operating cost, reduced environmental exposure, and partial or complete reuse of the treated water in production.
A modern effluent treatment plant pays back environmentally, commercially and operationally: it keeps the site compliant with environmental regulation, takes load off the sewer connection, raises resource efficiency and keeps the whole production complex running predictably.
What the plant is made of
Six subsystems working as one chain: from segregating the streams as they leave the shop through to dewatering the sludge and returning treated water to production.
Process effluentTreated water
- 1
Internal drainage and stream segregation
Different effluent types are separated as they leave the shop, which makes treatment both simpler and cheaper.
- 2
Equalisation tanks
Smooth out slug discharges in both flow and composition before the effluent reaches treatment.
- 3
Reagent dosing system
Storage, make-up and dosing of the reagents used for neutralization and precipitation.
- 4
Physical-chemical treatment
pH neutralization, heavy metal precipitation, coagulation and clarification.
- 5
Final polishing
Filtration down to the required limits - for discharge, or for returning the water to the process.
- 6
Sludge dewatering
Sludge is dewatered to a cake suitable for removal and disposal.
Compliant discharge
Treated water is brought within the limits set by environmental regulation.
Water back to the process
Partial or complete reuse of the treated water in production.
Sludge for disposal
Dewatered sludge cake, ready for removal and licensed disposal.
What the plant gains
What it delivers
An effluent plant pays for itself with more than compliance: it cuts resource consumption and makes the line's output predictable.
Commercial
Resources go back into the process instead of down the drain.
- Lower water and chemical consumption
- Reduced operating cost
- Recovery of valuable components from process solutions
Process
Stable treatment is what keeps coating quality stable.
- Accurate reagent dosing and parameter control
- Reliable operation as effluent volume and composition shift
- Predictable running for the whole production complex
The effluent treatment plant is supplied under the same contract as the anodizing line, so the line and its environmental obligations sit with one accountable supplier.
We will size a plant for your effluent
Send us the composition and volumes and we will propose a treatment scheme.