RO facilityRO Skids

300 gpm RO system (Above left) Co-generation power plant operation building. (Above right) closer view of RO units. (Below) closeup of RO units. Power plant application.

Ro design

DeliveryUnder Roof

Installed

A Triplex Filter Installation 600 gpm triplex multimedia filters for petrochemical complex. These three photos show stages of installation from delivery of vessels to finished piping (larger photo above).

Membrane degasifier

600 gpm membrane degasifier for microelectronics application. (Removes oxygen down to 1 ppb.)

All photos: Copyright AWTS INC. Do not duplicate for distribution or reuse without written permission.

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AWTS Projects Portfolio. Any of these projects may be typical of your situation, be it a retrofit or an entirely new system requirement.

Also see Design & Technologies next page, Retrofit & Rehabilitation previous page.

Chemicals Manufacturing Complex, Freeport, Texas

  1. Evaluate process performance of a 3000 GPM demineralizer system
  2. Replacement of internal distributors (Total of 10 inlet, 10 chemical and 10 underdrain distributors for 12’ diameter vessels)
  3. Internals upgrade resulted in capacity increase from 450,000 gallons per run to 1,250,000 gallons per run per train.
  4. Project completed, January, 2002

Power Plant, Tennessee

  1. Evaluate process performance of a pretreatment system that is rated for 3000 gpm. The pretreatment system experienced turbidity spikes that had negative impact on RO system performance.
  2. Evaluation of cost effective options for increasing system capacity from 1400 gpm to 2000 gpm. This system is provided with clarifiers, filters, double pass RO, forced draft degasifier, vacuum degasifier and ion exchange demineralizers.
  3. Project completed June, 2002

Semiconductor Parts Manufacturing, San Antonio, Texas

  1. Selection of process components needed for a 600-gpm UPW system. Processes included membrane degasifier, UV, external regeneration ion-exchange column, polishing and polishing mixed bed demineralizers, polishing UF and cartridge filters for UPW loop.
  2. Rehabilitation of mixed bed demineralizers to improve effluent quality from 4 meg-ohm to 18 meg-ohm. Retrofitted existing resin traps with proprietary design, plastic resin traps.
  3. Recycle of 180 GPM rinse water stream from electronics parts manufacturing operation. Selection of process, mechanical and control components, evaluation of EDI/ double pass HERO
  4. Recycle project qualified for $1 million award from City of San Antonio.
  5. Project completed May, 2001

Co-generation Power Plant, Cleburne, Texas

  1. Evaluation and troubleshooting of a 300-gpm system design and O&M problems. The system includes multi-media filters, a double pass RO/ EDI/IX system.
  2. Refurbishment of three 8’ diameter multimedia filters including new media, new internals, upgrading instrumentation, improving piping design to achieve better backwash.
  3. Upgrade performance of a double pass reverse osmosis system, improve pretreatment process to minimize fouling, addition of 8” RO pressure tubes to increase system capacity
  4. Recycle EDI reject stream by addition of tank, pump, piping and instruments
  5. Evaluation of using sanitary effluent wastewater for makeup to cooling towers high-pressure boilers and other uses.
  6. Evaluation of cooling tower recycle scheme using softening clarification, RO and evaporation technologies.
  7. Project completed April, 2002

Municipal Drinking Water, Kennedy, Texas

  1. Evaluation of pretreatment process and reverse osmosis system performance.
  2. Evaluation of replacement of poor quality components and stainless steel manifolds
  3. Furnish replacement pumps and piping components
  4. Project completed November, 2000

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