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Evoqua United States - Canada - EN

Off-Site Regeneration for Condensate Polishing Resin

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Reduce operating costs with improved manpower utilization and reduced regeneration frequency, improve onsite and personnel safety with the elimination of chemical storage and handling and limit environmental liability associated with wastewater discharge.

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  • ​Avoid capital investment and/or maintenance cost associated with highly corrosive acid, caustic delivery and neutralization systems
  • Improved regeneration resulting in longer run length between regenerations
  • Focus resources on core business
  • Reduce safety risks - reduction/elimination of acid/caustic storage and handling
  • Environmental compliance - no regenerant wastewater discharge
Discontinued product
evoqa

Reduce operating costs with improved manpower utilization and reduced regeneration frequency, improve onsite and personnel safety with the elimination of chemical storage and handling and limit environmental liability associated with wastewater discharge.

  • ​Avoid capital investment and/or maintenance cost associated with highly corrosive acid, caustic delivery and neutralization systems
  • Improved regeneration resulting in longer run length between regenerations
  • Focus resources on core business
  • Reduce safety risks - reduction/elimination of acid/caustic storage and handling
  • Environmental compliance - no regenerant wastewater discharge

Discontinued product
Off-Site Regeneration for Condensate Polishing Resin

Description

Condensate polishers are deep bed ion exchange vessels used to purify condensate returned from a steam turbine or other steam powered processes so that it can be recycled to the boiler. Dissolved (ex. silica oxides) and suspended matter (ex. iron oxide particulate), as well as other contaminants which can cause corrosion and maintenance issues must be removed by the condensate polishers prior to returning it to the boiler. When the exchange capacity of the resin is exhausted, it must be regenerated with acid and caustic to regain its ability to remove impurities in the condensate to meet the specified effluent water quality and prevent potential damage to the power plant boilers, steam generators, reactors and turbines.

Because the returned condensate is typically very close to the purity of the boiler feed water, these polishers exhaust and require regeneration fairly infrequently. Rather than investing in chemical storage and delivery systems and neutralization system equipment, in recent years, the use of off-site regeneration has gained increased interest. For existing condensate polishing plants in which these systems are in need of replacement or extensive overhauls or in some cases where new plants are built without this equipment, off-site regeneration is the solution.

Evoqua Water Technologies (Evoqua) is a worldwide leader in resin regeneration services. Our extensive service network of strategically located regeneration facilities and state of the art laboratory services allow Evoqua to serve its large North American customer base quickly and effectively.

Offsite r​egeneration of customer or Evoqua-owned condensate polishing resin allows customers to reduce overall operating costs, reduce the use of man-power for non-core plant operations, reduce and simplify the collection and treatment of wastewaters, reduce or eliminate the need for acid/caustic distribution and storage, reduce or eliminate environmental concerns with discharge of regenerant waste water and decrease the required frequency of regenerations in your process.

Trained technicians remove spent resin and replace with regenerated resin, processed in our off-site regeneration facilities, using company-owned resin sluicing trailers. Site requirements include clear ingress/egress to/from equipment, the supply of DI water and clean, dry air for the transfer of resin as well as collection of transfer water for disposal.

Regeneration of resin at an Evoqua off-site regeneration facility allows for greater control of the process, improved resin separation, resulting in reduced cross-contamination of cation/anion resins and greater regeneration quality than can typically be achieved by on-site equipment. Additionally, the resin is analyzed each time it is processed, monitoring historical degradation and fouling. Strict monitoring and maintenance of your critical resin asset allows your process to operate at greater efficiency and reduced overall cost.​