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Filter specifications

  • Excellent alternative to sand filtration
  • Gravity filtration with limited pressure drop
  • Continuous filtration
  • Filtering surface from 10 m2 to 120 m2
  • Fabricated in stainless steel
  • Backwash system with submersible pump
  • Compact solution, with low hydraulic profile
  • Low maintenance
  • Low energy consumption
  • Standard and Microfibre filtering
  • Cloth media available
  • High efficiency in TSS removal — < 5 mg TSS/l at the outlet

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Cloth Media Filtration for Wastewater Treatment

Cloth media filtration is a proven tertiary treatment technology used to remove suspended solids and phosphorus from wastewater effluent. Unlike conventional sand filters, cloth media filters operate by gravity with minimal pressure drop, require no backwash water storage, and consume significantly less energy.

ATAC Solutions supplies and installs MITA pile cloth filters — one of the most trusted cloth filter brands in the water industry. Whether you are upgrading an existing treatment works or specifying a new tertiary stage, our cloth media filtration systems deliver effluent quality of < 5 mg/l TSS and can achieve total phosphorus levels as low as 0.25 mg/l after chemical dosing.

Cloth Filters vs Sand Filters

Considering an alternative to traditional sand filtration? Cloth media filters offer several advantages:

  • Lower energy consumption — gravity filtration with no high-pressure backwash pumps required
  • Smaller footprint — compact design with a low hydraulic profile, ideal for retrofit projects
  • Continuous filtration — no downtime during backwash cycles; the filter remains operational at all times
  • Reduced maintenance — fewer moving parts, no media replacement, and simple submersible pump backwash
  • Proven TSS removal — achieves < 5 mg/l TSS consistently across a wide range of flows
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MITA Pile Cloth Filters: Enhancing Wastewater Treatment Efficiency

MITA Pile Cloth Filters are designed to provide both surface and deep filtration, combining the advantages of these two techniques. The filters utilise special types of cloth made from free fibers, which ensure high mechanical strength and excellent separation of solids.

The cloth is either fitted on a drum or stacked on a vertical shaft, depending on the model. These filters are made of durable AISI 304 stainless steel, ensuring longevity and resistance to corrosion.

Mita Cloth Filters

MITA Cloth Filter Operating Principle

The operating principle of MITA Pile Cloth Filters is based on gravity flow. The unit remains completely at rest during the filtration process, eliminating the need for reserve units or service water. The water to be treated is directed to the filter’s containment tank, which operates submerged. As the water passes through the filter cloth, the solids are captured and retained by the fibers. The clean water is then discharged through the drum or the central shaft of the filter.

Filtering surface depends on MITA Filter model:

  • Vertical range is 2/10 – 6/30 units (10 m2 – 30 m2 cloth area)
  • Horizontal range is from 8/40 up in stages to a 24/120 unit (40-120 m2 cloth area)
  • Drum range is TF2, TF4 and TF6 (2 m2, 4 m2 and 6 m2 cloth area)
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To maintain optimal filtration capacity, MITA Pile Cloth Filters are equipped with a backwash system. When the differential pressure reaches a certain level, the backwash device is activated. This device, consisting of suction pumps and nozzles, removes the solids trapped in the cloth, restoring the filter’s efficiency. The removed sludge and suction water are returned upstream, minimising waste and environmental impact.

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By incorporating these filters into the treatment process, impressive results can be achieved, with solids removal rates between 50% and 80% of the TSS in the feed sample. The filters can reduce the effluent’s TSS levels to as low as <5 mg/L and achieve total phosphorus values of 0.25 mg/L after ferric additions.  

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MITA Pile Cloth Filters are versatile and can be applied in various wastewater treatment scenarios. Their primary use is in tertiary treatment, where they act as a final step before the discharge of treated wastewater. These filters have proven to be effective in reducing both solids and phosphorus levels, ensuring compliance with strict environmental regulations.

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Emergency Hire Units

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