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Research on Co-slurry Ability and Gasification of Refinery Oil Sludge and High Sulphur Petroleum Coke

Author: WuYan
Tutor: LiuHaiFeng
School: East China University of Science and Technology
Course: Chemical processes
Keywords: Oily Sludge High sulfur coke Sludge coke Slurry The slurryability
CLC: X742
Type: Master's thesis
Year: 2011
Downloads: 103
Quote: 0
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Abstract


In this paper, refinery wastewater treatment plant dangerous solid waste oily sludge and refinery delayed coking plant producing high - sulfur petroleum coke , proposed the new technology of the oily sludge and the high sulfur coke pulping, gasification , and to carry out the relevant application infrastructure research . Naphthalene series dispersants investigated the impact of high sulfur coke into pulp influencing factors and oily sludge pretreatment method of sludge coke pulp slurry performance and a sludge coke Slurry rheology and stability . The results show that : untreated oily sludge in dosage dry sulfur coke quality with high sulfur coke 5% total into pulp slurry concentration is only 63.7% , much lower than the high-sulfur coke into Join pretreatment agent sludge coke pulp after apparent viscosity slurry concentration of 68.5% ; liquidity has been significantly improved , the highest into a slurry concentration of about 69% , slightly higher than the high sulfur coke slurry concentration ; electrolyte paste viscosity reduction effect superior surfactant. The oily sludge Add change the rheology of the slurry type, with the increase in the amount of oily sludge to be added , the slurry gradually increased yield stress . Sludge coke syrup apparent viscosity decreases with increasing shear rate are pseudoplastic fluid . The formation of sludge added to improve the stability of the slurry , and played a role of the stabilizer . With the simultaneous thermal analyzer to study the dynamics of the oily sludge with high sulfur coke gasification . The research results show that the addition of the oily sludge is conducive to the increase of the gasification reaction rate and activation energy reduction . Within the same reaction time , the conversion rate of the sludge coke is significantly higher than the sulfur coke . The same temperature the greater the amount of oily sludge add , the more complete the reaction , oily sludge has played a catalytic role in the catalytic gasification effect with the reaction temperature increases more obvious .

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > Oil, gas, industrial waste treatment and comprehensive utilization > Petroleum refining
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