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对孤岛减压渣油异丁烷馏分脱沥青及掺兑催化油浆脱沥青的脱油沥青生产道路沥青的可行性进行了研究。结果表明:孤岛减压渣油掺兑催化油浆脱沥青获得的脱油沥青的延度有所改善,在相同的收率下获得的脱沥青油的性质更好。在适宜的条件下,脱油沥青的主要指标满足道路沥青标准。 相似文献
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阿曼渣油溶剂脱沥青研究 总被引:3,自引:1,他引:3
对阿曼渣油丁烷溶剂脱沥青进行了研究,结果表明:阿曼渣油丁烷溶剂脱沥青,在适宜的脱沥青油收率下,脱油沥青可以满足AH—90高等级道路沥青的要求;将阿曼减压渣油与阿曼减压渣油或鲁宁管输油减压渣油丁烷溶剂脱沥青的高软化点脱油沥青调合也可以获得AH—70、AH—90高等级道路沥青,溶剂脱沥青技术是有效加工阿曼减压渣油的加工技术之一。 相似文献
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减压渣油溶剂脱沥青抽提深度的研究 总被引:1,自引:0,他引:1
研究了“溶剂脱沥青-沥青制氨-催化裂化组合工艺”脱沥青的抽提深度。指出脱油沥青粘度是选择抽提深度的关键控制指标,管输减渣适宜的脱沥青油收率为50%~55%。采用“当量掺渣率”表征脱沥青油的催化裂化性能,并用此计算了不同脱沥青油收率下中国石化九江分公司生产情况。以阿曼减渣为例,分析了优化脱沥青原料对提高抽提深度的作用,指出对不同减渣原料,应注意单炼、混炼的效果可能不同。 相似文献
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南阳渣油溶剂脱沥青生产道路沥青的研究 总被引:2,自引:1,他引:2
南阳减压油属典型的高含蜡渣油,南阳减压渣油溶剂脱沥青可以获得较高收率的优质脱肝油作为催化裂化原料,但脱油沥青只能掺竞为燃料油,不能生产合格道路沥青高在一定程度上制约了溶剂脱沥青工艺的应用,脱油沥青生产合格道路沥青是提高脱油沥青价值的有效方案,本研究对南阳渣油溶剂脱沥青生产道路沥青的技术方案进行了研究,究结果表明,通过采用本研究的技术方案,南阳渣油溶剂脱沥青的脱油沥青可以生产出满足要求的合格道路沥青 相似文献
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30号硬质沥青的生产及应用 总被引:1,自引:0,他引:1
硬质沥青在国外已得到广泛应用,国内对硬质沥青,特别是30号硬质沥青的生产和应用均处于起步阶段.镇海炼化分公司利用溶剂脱沥青加调合组合工艺,通过原料选择、溶剂选择和工艺参数优化,生产出符合技术要求的30号硬质沥青产品,并成功应用到莆永高速. 相似文献
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介绍了中石化广州分公司2009重交沥青的生产情况,简要介绍溶剂脱沥青生产工艺及调合流程,列出该装置生产及调合渣油的主要油种及渣油性质,分析了溶剂脱沥青工艺生产及调合的主要工艺参数,列出了应用该工艺生产出的重交沥青的产品性质,结果表明:以溶剂脱沥青装置产出的胶质、半沥青调合减压渣油生产出了符合GB/T15180—2000标准的70号和90号重交道路沥青。 相似文献
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临商原油利用蒸馏——溶剂脱沥青过程生产道路沥青 总被引:2,自引:0,他引:2
临商原油本属于不适合于生产沥青的原油(A+R-2.5P≤-15),在石蜡含量高的临南原油混入其中后,使得道路沥青的生产更加困难;采取了提高减压拔出深度,改变渣油组成,改变溶剂脱沥青操作参数等措施,使道路沥青质量得到改善。 相似文献
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30# asphalts produced directly by de-oiled asphalt (DOA) showed poor ductility at low temperature and deasphalted oil (DAO) yield was below 17.6%. Combination technology of solvent deasphalting and blending was investigated to produce 30# asphalt and results demonstrated that the 30# blended asphalt with Saudi residue and DOA prepared under conditions of temperature of 105°C, pressure of 4.0 MPa, and solvent/VR ratio of 5 conformed to GB/T 15180–2010 and its asphalt mixture had excellent rutting resistance and water stability performance; meanwhile, DAO yield reached 42.7% and good quality DAO satisfied the feedstock requirement for catalytic cracking process. 相似文献
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To prepare bright stock (BS) and 30# hard asphalt simultaneously, propane solvent deasphalting (SDA) of Oman vacuum residue was optimized. Result showed the optimal process conditions were as follows: extraction tower top temperature of 64°C, settling tower top temperature of 74°C, extraction pressure of 3.35 MPa, solvent ratio of 5. Compared with SDA of Oman VR to prepare bright stock and 70# asphalt, the yields of light deasphalted oil (LDAO) and heavy deasphalted oil (HDAO) were 26.8% and 24.7%, and increased by 1.7% and 5.2% respectively; carbon residue of LDAO was less than 1.2%, conformed to the feed requirement of furfural refining to produce bright stock. The yield of DOA was 48.5%, and DOA could be directly used to produce 30# hard asphalt. The PG grade of 30# asphalt was PG 76–22 and the 30# asphalt mixture had high rut dynamic stability and water resistant stability. HDAO could be used as feedstock of catalytic cracking and light yield oil (gasoline and diesel) was 65.99%. 相似文献
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Yujun Tong Jichang Liu Zhengtian Yao Weifeng Fang 《Petroleum Science and Technology》2017,35(5):436-442
The preparation and evaluation of 30# hard grade asphalt by blending softening point hard deoil asphalt with several soft components were investigated. The results showed that the properties and proportions of blending soft components had a great influence on the properties of 30# asphalt. Chunfeng 70# asphalt and Maoming deoil asphalt were more suitable as blending soft components and their blended asphalt met the technical requirements of GB/T 15180-2010 when the proportion of hard deoil asphalt were 6–12% and 8–16%, respectively. PG grade results indicated that dynamic modulus of 30# asphalts at high temperature increased significantly, and antirutting ability was also improved notably, while the bending resistant ability at low temperature was slightly inferior to the high-grade asphalt. The results of mix performance tests showed that 30# hard grade asphalt had excellent anti–high-temperature deformation ability and preferable water stability compared with high-grade asphalts. 相似文献
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基于分子管理的渣油掺炼煤焦油常压溶剂脱沥青效果 总被引:1,自引:0,他引:1
考察了渣油(VR)掺炼煤焦油(CT)溶剂脱沥青过程效果的变化,优化了实验条件。结果表明,在最佳实验条件[萃取温度30.0℃,溶剂比6∶1(体积/质量)]下,当VR掺炼质量分数为10%的CT时,脱沥青油(DAO)收率较未掺炼者提高2.02个百分点,镍和钒总含量下降5μg/g,硫含量略有下降,氮含量基本不变。VR掺炼CT后黏度降低,胶体稳定性下降。实验所得脱油沥青为硬沥青,采用外掺油浆对其进行调和,随油浆加入质量分数的增加,调和沥青的延度、针入度增大,软化点降低,沥青性质得到改善。 相似文献
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L. V. Dolmatov 《Chemistry and Technology of Fuels and Oils》2006,42(2):94-99
Recommendations are given on organizing comprehensive processing of asphalt from deasphalting of vacuum resid with liquid
propane to obtain a number of commercial products and valuable distillates.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 2, pp. 16–19, March–April, 2006. 相似文献
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以石蜡基和中间基混合原油的减压渣油为原料,利用丙烷脱沥青装置制得的轻脱沥青油,经糠醛抽提、酮苯脱蜡和补充精制工艺,可生产光亮油和微晶蜡。结果表明:轻脱沥青油的运动黏度(100℃)应不低于24 mm^(2)/s,色度不高于6.5号,残炭质量分数不高于1.5%;生产的光亮油牌号为HVI 150 BS,除色度外的其他性能均可满足Q/PBR 0008—2021要求;生产的微晶蜡牌号为80 B#,其主要性能可达到SH/T 0013—2019要求。 相似文献
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目的实现中海油环烷基减压渣油的高值化利用。 方法以中海油环烷基减压渣油为原料,对比直接焦化工艺与溶剂脱沥青-高压加氢-焦化组合工艺的产品分布和经济效益。组合工艺首先采用丙烷为溶剂对减压渣油进行溶剂脱沥青,将减压渣油分为轻脱沥青油和脱油沥青,轻脱沥青油采用三段高压加氢工艺生产150BS光亮油产品,脱油沥青产品采用焦化工艺生产石油焦和其他石油馏分。 结果相比直接焦化工艺,采用组合工艺使液体产品总收率提高2.67个百分点,简要经济核算结果表明组合工艺盈利更多。 结论采用组合工艺可以实现减压渣油的高值化利用,同时提高了液体产品总收率。 相似文献