Tube Type Ultrafiltration Membrane Equipment for Heavy Wastewater Treatment

Tube type ultrafiltration membrane equipment adopts tubular membrane components to realize high-strength physical separation, specially designed for heavily polluted wastewater and high-solids feed water treatment scenarios. It can be matched with Filtering equipment ultrafiltration to build multi-stage treatment processes, and form a complete treatment unit cooperating with Ultrafiltration membrane device. Different from hollow fiber ultrafiltration, tubular membrane features wide flow channels and strong anti-blocking performance. This equipment efficiently intercepts suspended solids, oils, colloids and organic pollutants, and gains wide recognition from environmental protection contractors dealing with landfill leachate, industrial oily wastewater and chemical wastewater worldwide.

Product Description

Tube type ultrafiltration membrane equipment is a special membrane water treatment system assembled based on tubular ultrafiltration membrane elements. The membrane tube is arranged inside pressure housing, and raw water flows inside the membrane tube. Compared with conventional hollow fiber ultrafiltration modules, its outstanding advantage lies in larger runner space, which avoids particle accumulation and pipeline blockage. The main membrane materials include PVDF, PES and other organic polymer materials, and partial models adopt inorganic tubular ceramic membranes for extreme working conditions.

The whole set of tube type ultrafiltration membrane equipment includes feeding pump, circulating pump, tubular membrane module, concentrated water circulation pipeline, backwashing system, chemical cleaning unit and PLC control cabinet. For projects with complex water quality, customers can configure front-end Filtering equipment ultrafiltration to reduce large particle impact on membrane tubes. In diversified engineering design, tubular membrane assemblies can be used as independent Ultrafiltration membrane device, or multiple groups can be connected in parallel to increase system processing capacity. This equipment is widely suitable for oily wastewater, landfill leachate, printing and dyeing wastewater, food processing wastewater and other high-pollution water sources, which cannot be handled by ordinary hollow fiber ultrafiltration systems.

Working Principle

Tube type ultrafiltration membrane equipment operates based on cross-flow tubular membrane separation technology. Driven by circulating pumps, raw water flows at high speed inside the tubular membrane elements. Under appropriate pressure, water molecules penetrate the membrane wall to form clear permeate water. Pollutants including oil sludge, suspended particles, colloids and macromolecular organics are trapped inside the membrane tube and flow out along with concentrated circulating water.

High-speed cross-flow creates strong shear force on the membrane inner surface, effectively preventing pollutant sedimentation and membrane surface fouling. The system regularly performs backwashing and online chemical cleaning to recover membrane flux. When the raw water contains massive large particles, the front-end Filtering equipment ultrafiltration can intercept coarse impurities to reduce the burden of tubular membranes. According to project processing scale, users can select single group Ultrafiltration membrane device, or expand the system by adding multiple tubular membrane modules to meet the demands of large-flow wastewater treatment projects.

Technical Features

• 1. Large internal flow channel design:

• Effectively prevent particle deposition and blockage, suitable for feed water containing high suspended solids and oil substances.

• 2. High cross-flow operation mode:

• Strong surface shear force reduces membrane fouling and extends continuous operation cycle.

• 3. Diversified membrane material selection:

• PVDF, PES organic tubular membranes and inorganic ceramic tubular membranes are optional for different wastewater environments.

• 4. Flexible modular combination:

• Can operate independently or in parallel, available as separate Ultrafiltration membrane device.

• 5. Process collocation flexibility:

• Easy to connect with pre-treatment facilities such as Filtering equipment ultrafiltration to build complete wastewater treatment workflows.

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• Product Advantages

• 1. Excellent anti-clogging performance:

• Solve the blocking problem easily encountered by hollow fiber ultrafiltration under high pollutant load.

• 2. Strong tolerance to complex wastewater:

• Stably treat oily wastewater, leachate and high-concentration organic wastewater.

• 3. Convenient maintenance operation:

• Single membrane tube can be replaced separately without overall shutdown of the equipment.

• 4. High cleaning efficiency:

• The straight pipeline structure enables thorough cleaning during chemical cleaning, obvious flux recovery effect.

• 5. Stable long-term operation:

• Reduce frequent shutdown maintenance caused by membrane blockage and improve project operation continuity.

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• Application Fields

• Landfill leachate treatment and industrial high-concentration organic wastewater recycling.

• Oily wastewater treatment in chemical industry, machinery processing and automobile manufacturing workshops.

• Printing and dyeing wastewater, food processing wastewater and livestock breeding wastewater advanced treatment.

• Small heavy pollution wastewater treatment stations adopting independent Ultrafiltration membrane device.

• Composite wastewater treatment projects equipped with front-end Filtering equipment ultrafiltration.

• Environmental engineering projects requiring high anti-fouling membrane separation equipment.

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• FAQ

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