GAS EMISSION REDUCING SYSTEM AND METHOD FOR REDUCING AT LEAST ONE OF GREEN HOUSE GASES AND AMMONIA EMISSIONS FROM SLURRY STORED IN ONE OR MORE SLURRY STORAGE TANKS

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United States of America Patent

APP PUB NO 20210061726A1
SERIAL NO

16790012

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Abstract

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A system and a method for reducing emission of greenhouse gasses is provided, in particular at least one of methane, laughing gas, nitrogen oxides, and ammonia from slurry stored in one or more slurry storage tanks. The method includes continuously maintaining slurry stored in a slurry storage tank under acidic conditions. The method includes the steps of: A: monitoring pH in the slurry present in the slurry storage tank by one or more pH sensors arranged in contact with the slurry in the slurry storage, B: checking if the detected pH exceeds above an upper threshold, such as an upper threshold set at pH=7, C: activate acid addition when the monitored pH exceeds the upper threshold, D: while stirring, adding acid until pH in the slurry is adjusted to within a range between the upper threshold and a lower threshold, such as between pH=2 and pH=7, in particular between pH=5 to pH=7, or more preferred pH=5 and pH=6, and repeating steps C-D when the detected pH of step A exceeds the upper threshold.

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Patent Owner(s)

Patent OwnerAddress
BIOCOVER HOLDING A/S6600 VEJEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
TOFT, MORTEN VEJEN, DK 17 5

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