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    • 18. 发明公开
    • DIBASIC ESTERS UTILIZED AS TERPENE CO-SOLVENTS, SUBSTITUTES AND/OR CARRIERS IN TAR SAND/BITUMEN/ASPHALTENE CLEANING APPLICATIONS
    • ZEEIBASISCHE ESTER ZUR VERWENDUNG ALS TERPEN-CO-LÖSUNGSMITTEL,替代品/德国TRERGER在TEERSAND / BITUMEN / ASPHALT-REINIGUNGSANWENDUNGEN
    • EP2649173A2
    • 2013-10-16
    • EP11846213.4
    • 2011-12-08
    • Rhodia Operations
    • FLUCK, DavidSEHGAL, AmitTRIVEDI, SatyenPABALAN, Ruela, TalingtingAYMES, Charles
    • C11D3/43C11D3/44C11D3/20
    • C11D3/43C11D1/123C11D1/143C11D1/72C11D1/825C11D1/83C11D3/188C11D3/2065C11D3/2068C11D3/2093C11D3/30C11D17/0021
    • A heavy oil cleaning composition comprising: a) a blend of dibasic esters comprising dialkyl methyl glutarate and at least one of a dialkyl adipate or dialkyl ethylsuccinate; b) at least one terpene; and c) at least one surfactant. The heavy oil cleaning composition can optionally include at least one glycol ether, at least one alkanolamine, at least one polyol, or at least one sulfosuccinate, or any combination thereof. The heavy oil cleaning composition can further comprise water. Also described are methods for delivering a solvent at reduced concentration comprising the steps of: a) obtaining a terpene-based solvent; and b) mixing the terpene-based solvent with a carrier fluid (the carrier fluid comprising a microemulsion of i) a blend of dibasic esters selected from the group consisting of dialkyl methylglutarate, dialkyl adipate, dialkyl ethylsuccinate, dialkyl succinate, dialkyl glutarate and any combination thereof, ii) at least one surfactant selected from the group consisting of a terpene alkoxylate, an alcohol alkoxylate and any combination thereof; and iii) water) in order to obtain a mixture to clean heavy oils.
    • 一种重油清洁组合物,其包含:a)包含二烷基甲基戊二酸酯和至少一种己二酸二烷基酯或二烷基乙基琥珀酸酯的二元酯的混合物; b)至少一种萜烯; 和c)至少一种表面活性剂。 还描述了以降低的浓度输送溶剂的方法,包括以下步骤:a)获得萜烯类溶剂; 和b)将萜烯类溶剂与载体流体混合(载体流体包含i的微乳液)选自二烷基甲基戊二酸二烷基酯,己二酸二烷基酯,二乙基琥珀酸二烷基酯,琥珀酸二烷基酯,戊二酸二烷基酯和任何 ii)至少一种选自萜烯烷氧基化物,醇烷氧基化物及其任何组合的表面活性剂; 和iii)水),以获得清洁重油的混合物。