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Description

75-07: Recovery of Chromate from Cooling Tower Blowdown by Ion Exchange ResinsDuring 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,

together with pipe scale

retreatment

To overcome these challenges

Meteorology

CTI publication PFM-134 “Recommended practice for air flow testing of cooling towers” provides detailed instructions on how to perform such an air volume flow rate test on a cooling tower

many processes have been evaluated over the last couple of years with the objective of significantly reducing or completely eliminating this waste stream

an experimental program was developed and executed to evaluate the effect of drift eliminator design on cooling tower fan system performance

microbiological activity in the water as well as other treatment chemicals

and many more

The design of these PWT systems

The role of microbiology in determining the source of infection will be discussed along with examples of cases and their outcomes from hotels and healthcare facilities

with the potential to reduce both installed and operating costs

Exchange/Return Notes