Avoid municipal surcharges by reducing BOD, TSS, and other parameters before discharge to the sewer system.
CFD, P&ID, SCADA and commissioning for critical water treatment plants.
Plant layouts, piping isometrics and construction-ready engineering drawings.
Flow, mixing and thermal CFD across treatment and process equipment.
Full mechanical, physico-chemical, biological and sludge equipment range.
Municipalities impose trade-effluent surcharges on industrial discharges that exceed standard-strength wastewater parameters. The stronger your effluent, the higher the recurring charge.
UK sewerage charges are driven by volume, COD/BOD strength and suspended solids. High-strength effluent multiplies the unit rate, so reducing load directly reduces the bill.
COD, BOD5, TSS, ammoniacal nitrogen, oil & grease and pH all influence surcharge bands. Each parameter above the threshold attracts an additional charge per m³.
You pay for every cubic metre discharged. Flow balancing and water-reuse reduce the volume sent to sewer, cutting both volumetric and treatment-element charges.
Exceeding consent limits risks enforcement notices, fines and prosecution. Surcharge bills are predictable; non-compliance penalties are not.
As production grows, untreated effluent strength rises with it. Without pre-treatment, surcharges escalate silently and erode process margins.
We sample and characterise your discharge, model your current surcharge exposure, and quantify the savings achievable through targeted pre-treatment.
Pre-treatment systems typically pay for themselves within 2–4 years through surcharge avoidance. By reducing organic load, solids and metals before discharge you cut Mogden-formula charges and protect against costly consent breaches.
Removing 60–90% of COD, BOD and TSS before discharge moves you into a lower charging band and can eliminate strength-related surcharges entirely.
Most industrial pre-treatment installations achieve a 2–4 year payback purely on avoided trade-effluent charges — faster where charges are high or volumes large.
Treated effluent reused for cooling make-up, washdown or irrigation reduces both freshwater purchase and discharge volume — a double saving.
Efficient aeration, VSD-driven pumps and automated dosing keep operating costs low, so the savings are not offset by high running expenditure.
Consistent compliance removes the financial risk of fines, clean-up costs and reputational damage from a discharge breach.
We build a full CAPEX/OPEX model with sensitivity analysis so the investment decision is backed by clear, defensible numbers.
Beyond surcharge avoidance, pre-treatment protects downstream municipal infrastructure, reduces the risk of discharge violations, and can unlock water-reuse opportunities that lower freshwater demand.
Efficient process design, energy optimisation, and automated chemical dosing cut power and reagent bills by 20-40% compared to conventional plants.
Consistently meets discharge consent limits, avoiding fines, prosecutions, and reputational damage. Monthly compliance reports satisfy regulators.
High-quality effluent suitable for non-potable applications — cooling tower make-up, washdown, and irrigation — reducing freshwater consumption.
Duty/standby equipment, automated controls, and predictive maintenance minimise downtime. 95-98% availability targets with rapid response support.
Modular design with pre-allocated connection points and over-sized aeration capacity allows 30-50% flow increase with minimal additional CAPEX.
Energy-efficient design, biogas recovery, and water reuse support BREEAM, LEED, and corporate ESG targets. Demonstrable carbon footprint reduction.
Chemical industry wastewater treatment for chemical processing pre-treatment.
View PageSpecialised wastewater treatment for food & beverage pre-treatment.
View PagePharmaceutical wastewater treatment for pharmaceutical pre-treatment.
View PageIndustrial pre-treatment protects municipal sewer networks, enables water reuse, and ensures compliance with trade effluent consents. Our engineered pre-treatment trains combine screening, oil separation, chemical precipitation, and pH correction to condition wastewater before discharge or further biological treatment. Each system is sized for peak flows and shock loads typical of your industrial sector.
Removes solids that could damage pumps, block pipework, or settle in sewers.
API separators, coalescing plate packs, and DAF units remove free and emulsified oils.
Coagulation and flocculation remove heavy metals, phosphates, and colloidal solids.
Automated acid/alkali dosing neutralises extreme pH to protect downstream biology.
| Design Flow | 1 – 500 m³/h |
| Peak Factor | 1.5 – 3.0 (industrial batch discharge) |
| O&G Limit | Typically <15 mg/L (trade effluent) |
| Metals Removal | 95 – 99% for Cu, Zn, Ni, Cr, Pb, Cd |
| pH Range | 6.0 – 10.0 (discharge window) |
| COD Reduction | 30 – 60% via precipitation and flotation |
| Sludge Volume | 1 – 5% of treated flow |
| Footprint | Compact skids for space-constrained sites |
Systems designed to consistently meet your local sewer discharge consent parameters.
Integrated Pollution Prevention and Control compliance for regulated industrial installations.
Treated effluent can be recycled for cooling, irrigation, or process wash water applications.
Our experts can design a system tailored to your specific requirements.
Our expertise spans multiple industries with sector-specific water treatment solutions.