Method and system for sludge treatment
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United States of America Patent
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Nov 21, 2017
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N/A
app pub date -
May 18, 2015
filing date -
Jun 17, 2014
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Abstract
To provide a sludge treatment method and a sludge treatment system suppressing the fuel costs which can be utilized in the existing treatment facilities that drying and discharging after dehydrating a sludge as a useful improvement for the facility. This invention provides the solution means including a dehydration step of obtaining a dehydrated sludge, a liquefaction step of obtaining a slurry-like sludge, a branching step of branching a digested sludge, a vacuum deaeration step of deaerating a first digested sludge, a reprocessing step of ejecting a high-temperature steam and returning a concentrated digested sludge, a dehydration separation treatment step of separating a second digested sludge, a step of deaerating a digested sludge, a branching step of branching the mixed phase fluid, a step of returning a first mixed phase fluid, and a step of returning a second mixed phase fluid.
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