PROCESSES FOR TREATMENT OF METAL-CONTAINING FLUIDS, RELATED APPARATUS, AND RELATED COMPOSITIONS
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United States of America Patent
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Issued Date -
Oct 27, 2016
app pub date -
Apr 27, 2016
filing date -
Apr 27, 2015
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The disclosure relates generally to liquid concentrators, and more specifically to compact, portable, cost-effective wastewater concentrators that can be easily connected to and use sources of waste heat. The concentrators can be used to concentrate liquid wastewater streams including waste metals such as selenium. The liquid wastewater and heated gas for concentration of the same can be obtained from an air quality control system (AQCS) process for cleaning/discharging of flue gas from an electrical power generation unit (EGU). Resulting cementitious solid waste products formed from the concentrated liquid wastewater provide a stable solid matrix that limits, reduces, or prevents leaching of metals such as selenium from the solid waste products into the environment.
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