The method for collect
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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Acid hydrolysis of biomass is an important step for releasing the component sugars before converting them to fuels and/or biochemicals. During such a process， a significant amount of mineral acid， such as sulfuric acid， is used. In most cases， the residual acid is neutralized with lime before the sugar conversion step. By doing so， a waste calcium sulphate stream is generated and sent to disposal. The efficient separation of acid from the sugars would allow the recycle of the acid and make the entire process more economically viable. We found that a resin bed packed with an acid retardation resin can be used to achieve an efficient separation (i.e. 98.5% recovery of the acid) of the sulfuric acid from the sugars. The resin bed can be simply regenerated with water. Acid hydrolysis of biomass is an important step for releasing the component sugars before converting them to fuels and/or biochemicals. During such a process， a significant amount of mineral acid， such as sulfuric acid， is used. In most cases， the residual acid is neutralized with lime before the sugar conversion step. By doing so， a waste calcium sulphate stream is generated and sent to disposal. The efficient separation of acid from the sugars would allow the recycle of the acid and make the entire process more economically viable. We found that a resin bed packed with an acid retardation resin can be used to achieve an efficient separation (i.e. 98.5% recovery of the acid) of the sulfuric acid from the sugars. The resin bed can be simply regenerated with water.
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国家林业和草原科学数据中心
创建时间：
2023-02-12
