PURIFICATION METHOD FOR LANDFILL LEACHATE
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United States of America Patent
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Issued Date -
Nov 30, 2023
app pub date -
Oct 25, 2021
filing date -
Oct 23, 2020
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Abstract
The invention is in the field of landfill leachate, in particular the invention is directed to a method for purifying landfill leachate comprising water, dissociated ions and organic compounds, wherein the method comprises providing the leachate in a eutectic freeze crystallization (EFC) crystallizer and carrying out eutectic freeze crystallization by reducing the temperature of the leachate to a first eutectic point to obtain a first mixture comprising ice and a first crystalline salt. Further the ice and the first crystalline salt are separated into an ice stream and a crystalline salt stream.
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