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14-10: Efficient Polymer Use in Cooling Tower Makeup Water Treatment at CoalThe Sunflower Electric Power Corporation operates a 349 MW coal fired power plant with a zero liquid discharge policy. As part of the cooling tower makeup water treatment, a polymer is used along with ferric sulfate in the lime soda ash softening process in a reactor type clarifier. Understanding fluid dynamics and polymer chemistry is critical in designing effective mixing equipment to maximize the value of high molecular weight polymer. The high

with an evaluation of the components and thermal potential the user can establish the necessary steps to meet his cooling requirements

and the value of having a good executable contingency plan in place

The impact of measuring key actives in cooling water treatment is demonstrated through improved system performance and control

Some of the difficulties and anomalies encountered when computing separate heat and mass transfer coefficients from wet cooling tower fill test data are presented

When assessed in depth

Nalco Water has developed an innovative non-triazole based yellow metal corrosion inhibitor with improved halogen stability

Non-Chemical Devices (NCDs) have great appeal when talking of the impact of treatment chemicals

ambient conditions

The water flow to typically 10% of a given tower was shut off after the installation of butterfly valves

both of which are undesirable pollutants if allowed to enter receiving waters

Overall performance achieved with a nonchromium low zinc cooling

impacts this availability

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