Method and system for sludge treatment

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United States of America Patent

PATENT NO 9822026
SERIAL NO

14714358

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Importance

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
NIPPON ZOKI PHARMACEUTICAL CO LTDOSAKA
TECHNOPLAN INCJAPAN HYOGO PREFECTURE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sawai, Masakazu Hyogo, JP 1 0
Sugano, Masahiro Osaka, JP 2 8

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