Relying on years of experience in industry of water and wastewater treatment from engineering to procurement, construction, operation and maintenance; today Absun Palayesh represents a vast variety of high-tech process for water and wastewater treatment. We deliver solutions for many of the critical applications: from converting seawater to ultra-pure DM water to producing drinking water from wastewater in deserts. Some of our process applications are listed here:


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SWDM_OPT™ (Optimized Seawater Demineralization Process)

Optimized seawater demineralization process is a groundbreaking design customized for demineralization of seawater in order to feed Boilers and sensitive industrial process. Taking advantage of UF ceramic technology in pretreatment and cost effective EDI unit […]

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SWDM_CNV™ (Conventional Seawater Demineralization Process)

Conventional SWDM_CNV™ is a reliable process designed for Demineralization of seawater in order to feed Boilers and sensitive industrial process.  Process designed with lowest CAPEX and highest degree of impact factor for seawater demineralization applications. […]

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MWWR™ (Municipal Wastewater Reuse)

Absun Palayesh Co. successfully designed, and tested MWWR™ reuses process in order to empower industries with municipal wastewater. MWWR™ taking advantage of hybrid UF-RO technology to remove all virus and heavy metals containments from any […]

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UGWD_OPT™ (Optimized Under Ground Water Desalination Process)

Absun Palayesh’s R&D triumphantly designed a low maintenance process for underground hyper saline and brackish water desalination with minimum possible CAPEX. Our process enables to cover all demands of capital cities and huge industries with […]

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SFWD™ (Surface Water Desalination Process)

SFWD™ is a conventional Surface Water desalination process customized for projects which are in high-risk condition of biofouling and scaling. Adding customized absorbtion step prior developed MF unit has incredibly increased the reliability of the […]

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SWD_OPT™ (Optimized Sea Water Desalination Process)

Designing a cost-effective seawater desalination process has always been a challenging issue for water and wastewater engineers. SWD_OPT™ is a groundbreaking process specially designed by Absun Palayesh R&D team in order to represent a high […]

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SWD_CNV™ (Conventional Sea Water Desalination Process)

Easy operation and maintenance as well as the flexibility in emergency and heavy duty condition are remarkable features of SWD_CNV™ process (i.e. conventional seawater desalination process). Using a DAF unit followed by Pressurized dual media […]

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IWWR-CCR™ (Industrial Waste Water Reuse Process – Cooling Circuit Application)

Water circulation and cooling system is the most critical unit of many industries, due to the importance of this huge water consumer, Absun Palayesh has developed a high efficiency Process for cooling circuit with features […]

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HERO_OPT™ (High Efficiency Reverse Osmosis-Optimized)

Absun Palayesh R&D successfully optimized the most environmental friendly desalination method HERO_OPT™ (i.e. High Efficiency Reverse Osmosis-Optimized). This fouling free membrane technology can deals even with High silica underground water and recover up to 98% […]

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IWWT-lTH™ (Industrial Wastewater Treatment Process- Leather industry)

Treatment of the most polluted type of industrial wastewater producing in leather industry with the highest possible rate of COD, BOD, and heavy metals, successfully done by IWWT-lTH™ process. Meeting the requirement of all remarkable […]

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MWWT (Municipal Waste Water Treatment Process)

MWWT is a conventional municipal wastewater treatment process with customized units in order to be flexible in emergency conditions like storm water and population overload in addition to hazardous shocks. This process design enables numerous […]



  • DM Water (Demineralized Water)
  • Drinking Water (Potable Water)
  • Service water (Sanitary/Plant water)
  • Process water
  • Firefighting water
  • Industrial Waste Water (Treatment /Reuse)
  • Cooling water
  • ZLD (Zero Liquid Discharge)
  • Brine Recovery
  • Mine Effluent Treatment
  • Recycling and reuse of waste streams


  • Decentralize WWTP
  • Municipal wastewater reuse
  • Firefighting water
  • Municipal Waste Water treatment
  • Desalinated Water
  • Drinking Water (Potable Water)
  • Municipal Waste Water treatment (Treatment /Reuse)
  • Decentralize WWTP For Small Community (BIOROCK)


  • Agricultural water desalination
  • Agricultural water filtration
  • Effluent inorganic material recovery



  • Sea Water (SW)
  • Hyper Saline Water
  • Brackish water (BW)
  • River Water
  • Well Water
  • Rain water
  • Air (Dehumidification)


  • Contaminate Rain Water (CRW)
  • Amine Drains (AMN)
  • Spent Caustic Sewer (CAU)
  • Closed Drain Headers (CDH)
  • Chemical Sewer (CSW)
  • Desalter Waste Water (DWA)
  • Non Oily Sewer Water (NSW)
  • Oily Sewer Water (OSW)
  • Sanitary Sewer Water (SSW)
  • Stripped Sour Water (SWA)
  • Treated Water (WAT)
  • Storm Water Sewer (WSW)
  • Municipal Waste Water
  • Storm Water (Urban Drainage)
  • Cooling water drains
  • Oily condensate


  • Gray Water
  • Pit Lack Water (Mining Drainage)
  • Boiler blow-down
  • Desalination Unit blow-down
  • Brine drainage
  • Neutralized effluents
  • Tempered water system drains
  • WWTP Effluent
  • Desalter waste water
  • Foul or sour waters
  • MTBE or Leaded contaminated streams
  • Benzene contaminated streams
  • Furfural and MEK contaminated
  • Caustic dissolving unit wastes
  • Toxic metal contaminated streams



  • HERO (High Efficiency RO)
  • MED (Multiple-effect distillation)
  • MSF (Multi Stage Flash)
  • EDR­ (Electrodialysis Reversal)


  • Mixed Bed (IX)
  • EDI (Electro De-Ionization)
  • CEDI (Continuous Electrodeionization)


  • Ion Exchange Systems

Absorption & Extraction

  • Anthracite Filter
  • Activated Carbon Filter


  • Nano Filtration (NF)
  • Ultrafiltration (UF)
  • Micro Filtration (MF)
  • Self-Cleaning Filter (STF)
  • Dual Media Filter
  • Pressurized Sand Filter
  • Gravity Sand Filter

Biological Treatment

  • MBR (Membrane Bio Reactor)
  • MBBR (Moving Bed Bioreactors)
  • SBR (Sequencing Batch Reactor)
  • ABR (Anaerobic Baffled Reactor)
  • RBC(Rotating Biological Contactors)
  • EAAS (Extended Aeration Activated Sludge)
  • IDEA (Intermittent Decanted Extended Aeration)
  • IFAS (Integrated Fixed-Film Activated Sludge)
  • USBF (Up flow Sludge Blanket Filtration)
  • Septic Tank (Anaerobic)
  • UAFB (Up Flow Anaerobic Sludge Blanket)
  • UABR (Up-Flow Anaerobic Baffled Reactor)

Chemical Treatment

  • Neutralization
  • Regeneration
  • Air oxidation

ZLD – Zero Liquid Discharge

  • Falling film evaporator + crystallizer


  • Filter Press
  • Belt Filter
  • Decanter Centrifugal
  • Sludge Drying Bed


  • Bar Screen – Automatic
  • Fine Screen- Automatic
  • Rotary Screen- Automatic
  • Coarse Screen- Automatic
  • Self-Cleaning Screen


  • API separator
  • DAF (Dissolved Air Flotation)
  • CPI (Corrugated Plate Interceptor)


  • UV
  • O3
  • Chlorination


  • Evaporation pond
  • Lagoon

Sedimentation & Separation

  • Circular Clarifier (Clarification)
  • HRT (High Rate Thickener)

Coagulation & Flocculation

  • Electro Coagulation
  • Conventional Coagulation & Flocculation


  • AOP (Advanced oxidation processes)
  • Electro Fenton