Slurry Separators – Industrial Screw Press & Solid-Liquid Separation Systems

Slurry separators are industrial systems designed to separate solids and liquids in agricultural, biogas and industrial applications. Whether processing manure, digestate or organic sludge, modern screw press separation systems improve dry matter output, reduce storage volume and optimise nutrient management.

ProTesCa supplies professional slurry separator solutions across Germany and Europe, offering technical consultation, model comparison and system integration support.

Solid-Liquid Separation for Agriculture, Biogas & Industry

Efficient solid-liquid separation is essential for farms, biogas plants and industrial operators seeking to reduce operational costs and improve material handling.

By separating slurry into a liquid fraction and a solid fraction, operators achieve:

• Reduced slurry storage volume
• Lower transport costs
• Improved nutrient control
• Enhanced spreading flexibility
• Better digestate management

Mechanical separation systems offer reliable continuous operation without complex centrifuge technology, making them suitable for demanding environments.

Screw Press Slurry Separators

Screw press separators are the most widely used technology for manure and digestate separation. The system uses a rotating screw inside a stainless steel screen basket to gradually compress slurry. Liquid passes through precision screen slots, while solids are discharged under controlled pressure.

Key advantages of screw press technology:

• High dry matter output (up to ~35% TS depending on substrate)
• Adjustable pressure control
• Low energy consumption
• Durable mechanical construction
• Suitable for continuous operation

Screw press separators are ideal for agricultural and biogas installations requiring robust and energy-efficient separation systems.

Applications of Slurry & Digestate Separators

Separator systems are used across multiple sectors:

Agriculture

• Dairy farm slurry separation
• Pig manure processing
• Mixed livestock waste handling

Biogas Plants

• Digestate dewatering
• Fibre separation
• Substrate optimisation

Industrial Processing

• Organic sludge separation
• Food industry waste handling
• Wastewater solid pre-treatment

Choosing the correct separator depends on throughput requirements, dry matter content and installation conditions.

Separator Types & Technologies

Different separation technologies are available depending on operational needs:

Screw Press Separators

Reliable mechanical solid-liquid separation for agricultural and biogas use.

Decanter Centrifuges

High-speed separation systems suitable for fine particle separation in industrial environments.

Belt Press Systems

Used for sludge dewatering where large-scale industrial processing is required.

For most agricultural slurry and digestate applications, screw press separators provide the optimal balance between performance, cost efficiency and maintenance simplicity.

How to Select the Right Slurry Separator

When choosing a separator system, consider:

• Required throughput (m³/h)
• Incoming dry matter percentage
• Desired solid fraction dryness
• Installation space
• Electrical requirements
• Substrate composition

Professional sizing ensures optimal separation efficiency and long-term reliability.

ProTesCa provides technical consultation to determine the most suitable separator solution for your application.

Slurry Separator Solutions Across Germany & Europe

As a specialist in separation and filtration technology, ProTesCa supports agricultural, biogas and industrial customers throughout Germany and Europe with:

• Technical system comparison
• Separator sizing and integration
• Installation coordination
• Spare parts and service support

Request expert advice to find the most suitable slurry separator system for your operation.