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Scale/ Corrosion Inhibitors Biocides
QualiChem Technologies carries a complete line of cooling tower chemicals in 5, 15, 30, and 55 gallon containers.

Scale and corrosion inhibitors are used to prevent system scaling and to minimize system corrosion.  As the cooling tower reuses water and cycles up, the water impurities in the recirculating water increase.  As the tower recycles the water, a scale prevention chemical is required to keep the impurities in solution.  Failure to use an effective scale/ corrosion inhibitor, may lead to system scaling or increased corrosion.

Scale and Corrosion Inhibitors Chemicals

Biocides are used to effectively control bacteria.  The two grouping are non-oxidizers and oxidizers.  It is important to always feed the oxidizer continuously, while slug feeding non-oxidizers as needed.

Non-Oxidizer Biocides
Oxidizer Chemicals

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Cooling Tower Chemical 1334 - Cooling Water Scale and Corrosion Protection
Cooling Tower Chemical 1334 - Cooling Water Scale and Corrosion Protection

Cooling Tower Chemical 1334 is designed as an all organic treatment for open, recirculating cooling water systems. The product is formulated with a combination of organic phosphonates, polymeric dispersants and an azole corrosion inhibitor specifically for systems which are operated with moderate hardness and alkalinity makeup waters. Optimum product performance is expected when the treated systems are operated in a Langelier Saturation range of +1.0 to +2.0.
BioGuard 46 - Glutaraldehyde
BioGuard 46 - Glutaraldehyde

DESCRIPTION AND USE BioGuard 46 is a highly concentrated microbiocide for use in recirculating cooling water and air washer systems. The product is effective over a wide pH range against slime forming bacteria, sulfate reducing bacteria and fungi. The product functions to kill these microorganisms by reacting with the cell wall. Thus, it possesses many unique features when compared to other materials:

  • Very effective over a broad spectrum of organisms.
  • Aqueous solution which is relatively safe to handle and is easily diluted and mixed when treating.
  • Unlike most non oxidizing biocides, it will function to clean up a biologically fouled system.
  • Functions over wide pH and temperature ranges and will not react with the wide range of inhibitors and anionic dispersants used in modern cooling water treatment.
  •  It is non surface active and therefore will not foam when used. 
CHEMICAL FEEDING AND CONTROL When a system is noticeably fouled, BioGuard 46 should be slug dosed to establish a concentration of 50 to 100ppm actives in the recirculating water (i.e. 4.6 9.2 fl. ozs/100 gals. contained water). Once control is evident, a dosage of 20 to 50ppm (1.8 4.6 fl. ozs/100 gals.) on a weekly basis will normally maintain control unless unusual conditions develop.
BioGuard 29 - Stabilized Liquid Chlorine/ Bromide
BioGuard 29 - Stablized Liquid Chlorine/ Bromide

BioGuard 29 is a stabilized bromine/chlorine for the treatment of open, recirculating cooling towers, evaporative condensers, air washers, decorative fountains, certain ponds and other water systems. The product is supplied as a low viscosity, easily pumped liquid. When added to water, the product forms stabilized hypobromous and hypochlorous (HOBr and HOCl) acids. However, unlike chlorine, the BioGuard 29 maintains full activity at the wide pH range generally encountered in cooling water systems
BioGuard 156 - Sodium Hypochlorite
BioGuard 156 - Sodium Hypochlorite

DESCRIPTION AND USE

BioGuard 156 is a solution of sodium hypochlorite (Minimum 12.5% as NaOCl) for use in the treatment of various water systems. It is used for controlling organics which can contaminate systems and as an oxidizer for iron prior to filtration. It can be used for the treatment of potable water as long as EPA guidelines with respect to the maximum amount of chlorine are met.
   
 
For more information on any product or for other blends not listed, please contact our sales department at (800) 658-7716 or email us at sales@qualichemtech.com