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Researchers at the Clean Air Research Laboratory of the Korea Institute of Energy Research have developed a process that converts 10 tonnes of livestock manure into biochar in a single day.
The core of this Manure To Biochar process is a dehydration and drying technology that reduces the moisture content inThe research team successfully designed and built an integrated system that combines a drying process owned by the KIER, a dehydration process from the Korea Institute of Machinery and Materials , a pretreatment process from DULI TECH Co., and a pyrolysis technology from YOUGI IND Co.
This process has been demonstrated at a pilot plant in the western Chungnam province, which is capable of handling 10 tonnes of livestock manure per day. The research team completed 100 hours of process operation, proving its commercial viability. In particular, the F-COMB drying device seems to be highly competitive in terms of energy efficiency and production cost.
Plans are in place to scale up to more than 100 tonnes per day to meet domestic demand as well as international demand from China, Australia, and Indonesia, which are pushing for environmentally friendly, and there is a lack of measures to reduce the greenhouse gases and ultrafine dust particles that are emitted during this process.
As of 2022, the amount of livestock manure produced was about 50 million tonnes, of which 87% was used as compost and liquid, which causes ultrafine dust and odours, is also released, accounting for 70% of the total emissions nationwide. This has led to persistent odour complaints, becoming a chronic problem for livestock farmers.
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