Primary Wastewater Treatment

Primary wastewater treatment systems for councils and industrial operators, delivering robust solids removal and primary clarifier solutions across Australia and New Zealand. 

Primary Wastewater Treatment Systems Chain and Flight Clarifier

Protecting Treatment Performance Starts with Primary Wastewater Treatment

Effective primary wastewater treatment removes solids and organic load before biological processes, protecting downstream assets and treatment performance. Poor primary treatment can overload secondary systems, increase maintenance requirements, and reduce overall plant capacity. Councils and industrial operators face growing compliance, capacity, and asset lifecycle pressures, making reliable, well-integrated primary treatment a critical foundation of any wastewater treatment plant. 

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Operational Outcomes of Primary Treatment with FILTEC

Reduced Solids Loading

Lower solids entering downstream secondary treatment processes

Biological Process Stability

More consistent biological treatment under variable conditions

Extended Asset Life

Reduced wear, blockages and servicing across downstream assets

Capacity for Growth

Improves compliance readiness for future demand increases

How FILTEC Reduces Risk in Primary Wastewater Treatment

FILTEC delivers primary wastewater treatment by focusing on system performance, operational risk, and long-term reliability. Rather than supplying isolated equipment, we support councils and industrial operators with integrated primary treatment solutions designed to perform reliably within the full wastewater treatment process. 

Primary Industrial Wastewater DAF Plant

System-Level Treatment Understanding

We design primary treatment with a clear understanding of how it affects downstream biological and tertiary processes, ensuring stable plant performance.

Application-Driven Technology Selection

Primary treatment solutions are selected based on influent characteristics, site constraints, and operational requirements - not a one-size-fits-all approach.

Proven, Fit-for-Purpose Solutions

FILTEC works with established technologies and suppliers, delivering primary clarifier and solids removal systems with proven performance in municipal and industrial applications.

Full Project Lifecycle Involvement

From early design support through supply, commissioning, and optimisation, FILTEC remains involved across the full project lifecycle.

Local Delivery and Service Support

With local engineering and service teams in Australia and New Zealand, FILTEC supports ongoing operation, maintenance, and performance optimisation. 

Primary Wastewater Treatment Solutions

Primary Wastewater Treatment Systems Chain and Flight Clarifier

Primary Clarifier Systems – Polychem Chain and Flight

FILTEC supplies primary clarifier systems incorporating Polychem chain and flight scraper technology for reliable solids and sludge removal. These clarifier scraper systems are well suited to council wastewater treatment plants, providing robust performance in primary sedimentation tanks while supporting efficient sludge collection and protecting downstream biological processes. 

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Dissolved Air Flotation (DAF) Systems

For industrial primary wastewater treatment applications, FILTEC delivers dissolved air flotation (DAF) systems designed to remove fats, oils, grease, and suspended solids. DAF is particularly effective for high-strength industrial effluent, including dairy and food processing, where compact footprint and high solids removal efficiency are required. 

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Industrial Primary Wastewater Treatment DAF System

Salsnes Filters

Salsnes filters provide compact primary treatment through fine screening and solids removal, offering an alternative to conventional sedimentation in suitable applications. These systems can reduce solids loading and support downstream treatment processes where space constraints or process requirements limit traditional primary clarification. 

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Screening Integration and Specification Support

While not supplying proprietary screening equipment, FILTEC supports the integration and specification of wastewater screening systems as part of primary treatment. This includes application advice, system selection support, and coordination with upstream headworks to ensure effective solids removal and plant protection. 

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Who We Work With

Primary Wastewater Treatment Projects

FAQs

What is primary wastewater treatment and why is it important?

Primary wastewater treatment removes solids and organic load early, protecting downstream processes, improving plant stability, and reducing operational and maintenance risk.

How does primary treatment protect secondary biological processes?

By removing settleable solids and fats early, primary treatment reduces loading on biological systems, improving performance, reliability, and treatment capacity.

What primary treatment systems are suitable for councils?

Council wastewater facilities typically incorporate screening, grit removal, and primary clarifiers with chain and flight scrapers for sludge and solids removal.

When is DAF used for primary wastewater treatment?

DAF is typically used for industrial wastewater with high fats, oils, grease, or suspended solids, where compact, high-efficiency solids removal is required.

How does FILTEC select the right primary treatment solution?

FILTEC assesses influent characteristics, site constraints, downstream processes, and operational requirements to select fit-for-purpose primary treatment solutions. 

Can FILTEC support upgrades to existing primary treatment assets?

Yes. FILTEC supports upgrades, refurbishments, and retrofits to improve performance, extend asset life, and better integrate primary treatment with existing plants.

How does primary treatment affect overall plant capacity and compliance?

Effective primary treatment improves hydraulic and organic capacity, stabilises downstream processes, and supports ongoing compliance as flows and loads increase.

Plan Primary Wastewater Treatment with Confidence

Early engagement helps ensure primary treatment solutions are correctly selected and integrated. Speak with FILTEC about primary treatment options suited to your plant, influent characteristics, and long-term operational goals.

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Primary Wastewater Treatment Systems Chain and Flight Clarifier