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found: (l) aerobic bacteria countsconsistently less than l000/mL in cooling water (no colonies on the standard Easicult TTC dip slide test)
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The paper has been presented before and reviewed by the Cooling Tower Institute and approved as a valuable contribution to cooling tower literature
This paper will present current laboratory and field fouling evaluation methods
75-07: Recovery of Chromate from Cooling Tower Blowdown by Ion Exchange Resins Materials found: (l) aerobic bacteria countsconsistentlyDuring the past several decades, chromate based corrosion inhibitors were widely used in open cooling water recirculating systems. In 1971, the Japanese Government, however, adopted a regulation which limited the discharge of toxic matter including hexavalent chrome to public waters. Factories employing cooling systems were forced to reduce chromates to less than 0. 5 ppm as Cr^6+ or replace chromates to other types of corrosion inhibitors; however,
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