Solids Separation and Dewatering: Top 5 UK Systems for 2026

The PSS 3.2-780 combines a high-capacity separator with an integrated polymer dosing unit to deliver automated conditioning and continuous throughput with minimal operator input. For the undefined use case it ranks highly because it offers a balanced capital-to-operating cost profile — typically lower energy and OPEX than large decanter centrifuges like the GEA Westfalia and produces drier solids and greater automation than simple screen options such as the Slurryquip, while avoiding the separate dosing infrastructure required by standalone systems like the Doda Poly Prep.

The UCD 305 decanter centrifuge with flocculation module delivers the finest solids/ liquid separation and the highest centrate quality among the group, excelling where maximum dryness and clarity are required. Technically superior to screw presses and screen separators in separation efficiency, it generally carries higher capital and energy costs than the FAN and Bauer units, making it the right choice for the undefined use case when superior separation performance justifies the premium.

The SFC 800 screw press separator with polymer conditioning system is a rugged, low-energy workhorse that achieves effective dewatering with lower CAPEX and simpler maintenance than decanter centrifuges. For the undefined use case it represents a strong financial and operational compromise — offering better cake dryness than screen separators like the Slurryquip and typically lower lifecycle costs than centrifuges such as the GEA Westfalia, though it lacks the same level of automation and integrated dosing sophistication found on the FAN unit.

The Poly Prep 800 is a dedicated flocculant dosing system designed for precise, modular polymer delivery that minimizes overdosing and chemical waste. As a standalone dosing specialist for the undefined use case it is cost-effective to deploy alongside existing separators and can reduce overall polymer spend compared with bundled but less-tunable systems, though it does not replace the mechanical separation capabilities of centrifuges, screw presses or screen units.

The Pro-Sep screen separator with chemical dosing kit is a compact, low-capex solution optimized for simplicity, rapid installation, and low maintenance in straightforward solids/liquid separation scenarios. For the undefined use case it is attractive where budget and operational simplicity are priorities — offering lower upfront cost than centrifuges and screw presses and including basic dosing capability, but it delivers coarser separation and wetter cake compared with the FAN, GEA and Bauer systems.