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    • 9. 发明授权
    • Petroleum bioprocessing to prevent refinery corrosion
    • 石油生物处理以防止炼油厂腐蚀
    • US09404051B2
    • 2016-08-02
    • US13264212
    • 2009-04-14
    • Louis D. Heerze
    • Louis D. Heerze
    • C10G75/00C10G31/00
    • C10G31/00C10G75/00C10G2300/1033C10G2300/203C10G2300/4075C10G2300/44C10G2300/802
    • The present invention relates to the bioupgrading of crude oil is directed to a process for decreasing the acidity of an acidic crude oil, comprising contacting an acidic crude oil with a mixture nitrogen containing compounds selected from the group comprising ammonia, ammonia hydroxide, amines and the salts thereof, and in the presence of lipase enzyme, under conditions of suitable temperature and pressure sufficient to form the corresponding amide. The resulting naphthenic acid derived amides can then be processed normally in a refinery using such processes as cracking or hydrotreating and converted to hydrocarbon, ammonia and carbon dioxide without causing damage to the refinery infrastructure. This enzyme process is done at reduced temperatures (40-60° C.) and pressures requiring less energy.
    • 本发明涉及原油的生物降解,涉及降低酸性原油的酸度的方法,包括使酸性原油与含氮化合物的混合物接触,所述化合物选自氨,氨氢氧化物,胺和 其盐,并且在脂肪酶存在下,在适当的温度和压力的条件下,足以形成相应的酰胺。 所得到的环烷酸衍生的酰胺然后可以在炼油厂中使用诸如裂化或加氢处理的方法正常加工,并转化成烃,氨和二氧化碳,而不会对炼油厂基础设施造成损害。 该酶处理在降低的温度(40-60℃)和需要更少能量的压力下进行。