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Abstract�� With the increase of the output of the domestic and foreign highly sour crude oil year by year,it is important to process highly sour crude oil.Removing acid compounds from crude oil is regarded as one of the most important processes in heavy oil upgrading.The effects of reaction temperature,space velocity and catalyst type on deacidification were investigated.The rate of deacidification increases with the increase of temperature and the decrease of space velocity.Compared with different catalysts,the rate of deacidification of Mg soaked catalyst was higher than other catalysts.This showed that Mg has important influence on the deacidification process.Comparing the rate of deacidification of different acid,the length of carbon chain has important influence on deacidification.The diffusion resistance increases with increasing carbon chain.This made long carbon chain acid difficult to touch more active center,so the rate of deacidification decreases with the increase of carbon chain.

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Received 2009-07-15; published 2009-07-15

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��ͬ��;��˩��;.ʯ��߻�ת��̵��о�[J]. ��ѧ��ҵ�빤��, 2009,26(4): 316-320

ZHANG Tong-wang,HOU Shuan-di.Catalytic Conversion of Petroleum Acid[J]. Chemcial Industry and Engineering, 2009,26(4): 316-320