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Explain the Ion Exchange water Softening
Softening is usually done using a resin (natural or synthetic long chain chemical with a sodium ion attached). When water containing hardness ions is passed through the resin, the hardness ions (Ca, Mg) exchange with Na ions on the resin (thus the resulting water is free of hardness ions but high in sodium).
When the sodium ions on the resin are exhausted, the resin is regenerated using a brine solution (which replaces all hardness ions attached to the resin with Na ions again) and the resin can be used again.
On-line storage vs. off-line storage Design of storage pond is commonly divided into off -line storage and on-line storage. The on-line storage concept includes inclusion of s
Q. What is Rapid Sand Filter? A Rapid Sand Filter is a water treatment plant that includes provision for pre treating the water by coagulation and sedimentation for settlement
dumpy level and its procedure
At a large port facility near New York City tractor-trailer trucks are lined-up in long queues as their drivers wait to have their containers inspected and documents processed. As
Question Is it true that stainless steel really stainless in construction purpose ? Answer Stainless steel refers to alloy steels with more than 10.5 percent of chrom
Explain RCRA and HSWA - Hazardous Waste Regulations 1. In 1976, Congress passed the Resource Conservation and Recovery Act (RCRA) and directed EPA to establish hazardous waste
Perimeter of a hexagonal pyramid
if the WBM Road is constructed with 80mm , 40mm metal what will be the depreciation factor per year, how much thickness of the layer will be reduced per year due to trafic and rai
Q. What do you mean by Distressing? Distressing is the operation under taken with or with out rail tensors to secure stress free condition in the LWR at a desired rail temperat
Q. Illustrate Bituminous surfacing over concrete structures? Usage of bituminous surfacing over concrete structures (for instance existing concrete roads) is widespread to impr
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