WATER TREATMENT APPARATUS, WATER TREATMENT METHOD, AND METHOD OF STARTING WATER TREATMENT APPARATUS
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United States of America Patent
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Jan 7, 2021
app pub date -
Feb 20, 2019
filing date -
Feb 26, 2018
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Abstract
A water treatment apparatus including: a forward osmosis device configured to allow a diluted draw solution to flow out and to discharge a water-containing solution; a heater configured to heat the diluted draw solution; a water separator configured to separate the diluted draw solution heated by the heater into a water-rich solution and the draw solution having water content lower than that of the water-rich solution; a cooler configured to cool a liquid and allow the liquid to flow out as a coolant; an inflow side heat exchanger configured to perform heat exchange between the coolant flowed out from the cooler and the draw solution flowed out from the water separator; and an outflow side heat exchanger configured to perform heat exchange between the diluted draw solution flowed out from the forward osmosis device and the water-rich solution flowed out from the water separator.
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