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CHWR means Chilled Drinking water Return. CHWR is commonly located in the chilled drinking water system format and schematic drawings. It is also typical to provide the CHWR word physically painted over the chilled h2o pipe to indicate the chilled water flow course from your air managing unit on the chiller.Initially, There's a source of new air in

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chemical oxygen demand Things To Know Before You Buy

Such as, In case the COD stage inside the effluent is greater than anticipated, it could reveal that the treatment method processes aren't working correctly. In such a case, the operator might need to have to adjust the therapy approach parameters or look into likely issues with the treatment machines.The normal techniques to determine COD and BOD

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