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89-06: Polymer/HED Blends for Calcium Carbonate Deposit ControlThe calcium carbonate deposit control performance of polymer HEDP blends was compared in laboratory process simulation. Two primary characteristics were studied: threshold inhibition, where calcium and carbonate were maintained as soluble species in solution, and deposit control measured as resistance to heat transfer (fouling factor) in an "out of balance" condition where complete threshold inhibitor was not achieved. The recirculating water

The efficiency of the drift eliminator is governed by the channel orientation and geometry and by the air flow rate

improved cooling tower cleanliness

This paper reports performance data and describes mechanisms for the following functions: 1) the control of microbial populations to very low levels

This paper reviews several important aspects of molybdate inhibition

An in depth case study is presented detailing installation challenges and solutions for a large permanent magnet direct drive motor

which attract molybdate anions and bind them loosely by what may be regarded as week hydrogen bonds

The cleaning and diversion while maintaining tower operation and plant operation has never before been attempted anywhere in Canada and is possible the first ever done anywhere in the world

One tower has been in operation since 1976 and the other since 1980

which rejects the heat to the atmosphere

has developed a modeling computer program called CooliSS

The main computer program options are then discussed

These ice accumulations can have a devastating effect on the tower structure

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