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    • 2. 发明申请
    • RECOVERY AND PURIFICATION OF HYDROXY FATTY ACIDS FROM SOURCE OILS
    • 来自原油的羟基脂肪酸的回收和纯化
    • US20130190519A1
    • 2013-07-25
    • US13698153
    • 2011-05-17
    • Udaya WanasundaraJack GrushcowLui Shuanghui
    • Udaya WanasundaraJack GrushcowLui Shuanghui
    • C11B7/00
    • C11B7/0025C11B1/06C11B1/10C11C1/02C11C3/003Y02E50/13
    • A process for recovering, purifying and enriching hydroxy fatty acids from source oils. The process source oil comprises the steps of: (a) methylating the source oil to form therein hydroxy fatty acid methyl esters and non-hydroxy fatty acid methyl esters; (b) separating the hydroxy fatty acid methyl esters from the non-hydroxy fatty acid methyl esters with an organic solvent mixture comprising a pentane/hexane and a short-chain alcohol; and (c) separately recovering the hydroxy fatty acid methyl esters and the non-hydroxy fatty acid methyl esters from the organic solvent mixture. Hydroxy fatty acids that can be recovered, purified and enriched with the process include ricinoleic acid, densipolic acid, lesquerolic acid, and auricolic acid. The non-hydroxy fatty acid methyl esters can be recovered, purified and further processed into biodiesel fuels and/or lubricants.
    • 从源油中回收,纯化和富集羟基脂肪酸的方法。 方法源油包括以下步骤:(a)将源油甲基化以形成羟基脂肪酸甲酯和非羟基脂肪酸甲酯; (b)用包含戊烷/己烷和短链醇的有机溶剂混合物将羟基脂肪酸甲酯与非羟基脂肪酸甲酯分离; 和(c)从有机溶剂混合物中分别回收羟基脂肪酸甲酯和非羟基脂肪酸甲酯。 可以回收,纯化和富集该方法的羟基脂肪酸包括蓖麻油酸,致密酸,裂解酸和芳香酸。 非羟基脂肪酸甲酯可以回收,纯化并进一步加工成生物柴油燃料和/或润滑剂。
    • 3. 发明申请
    • SINGLE-STAGE ESTERIFICATION OF OILS AND FATS
    • 油和脂肪的单步测定
    • US20090131711A1
    • 2009-05-21
    • US11997263
    • 2006-07-27
    • Udaya Wanasundara
    • Udaya Wanasundara
    • C07C67/48
    • C11C3/003C07C67/03C10G2300/1011C10M105/34C10M2207/02C10M2207/281C11B13/00C11C1/10Y02P30/20Y02W30/74C07C69/24C07C69/52C10M2207/40
    • A process for producing alkyl esters useful as bio-fuels and/or lubricants. An alkyl ester product produced by the process. The process comprises a single-stage reaction for esterifying a de-watered glyceride-containing feedstock with an anhydrous short chain alcohol in the presence of a basic esterification catalyst to produce a reaction product comprising alkyl esters and a reaction by-product comprising glycerol-containing substances and the catalyst-containing alcohol. The single-stage esterification reaction is conducted within a temperature and negative-pressure controllable vessel. The alkyl ester product is separated from the re-action by-product and may be further de-watered and/or purified. The catalyst-containing alcohol may be separated from the reaction by-product, de-watered and reused. The glycerol-containing substances may be separated from the reaction by-product and further purified. Useful glyceride-containing feedstocks include those prepared from plant or animal or fish materials, particularly those produced from seeds of mustard, canola, soybean, corn, cotton, flax and palm.
    • 用于生产用作生物燃料和/或润滑剂的烷基酯的方法。 通过该方法生产的烷基酯产物。 该方法包括用于在碱性酯化催化剂存在下用无水短链醇酯化脱水的含甘油酯的原料以产生包含烷基酯的反应产物和包含含甘油的反应副产物的单阶段反应 物质和含催化剂的醇。 单阶段酯化反应在温度和负压可控容器内进行。 将烷基酯产物与再作用副产物分离,并可进一步脱水和/或纯化。 含催化剂的醇可以与反应副产物分离,脱水并重复使用。 含甘油的物质可以与反应副产物分离并进一步纯化。 有用的含甘油酯的原料包括从植物或动物或鱼材料制备的那些原料,特别是由芥末,油菜,大豆,玉米,棉花,亚麻和棕榈种子生产的那些。
    • 4. 发明授权
    • Recovery and purification of hydroxy fatty acids from source oils
    • 从源油中回收和纯化羟基脂肪酸
    • US08946461B2
    • 2015-02-03
    • US13698153
    • 2011-05-17
    • Udaya WanasundaraJack GrushcowLui Shuanghui
    • Udaya WanasundaraJack GrushcowLui Shuanghui
    • C11B7/00C11B1/06C11B1/10C11C1/02C11C3/00
    • C11B7/0025C11B1/06C11B1/10C11C1/02C11C3/003Y02E50/13
    • A process for recovering, purifying and enriching hydroxy fatty acids from source oils. The process comprises the steps of: (a) methylating the source oil to form therein hydroxy fatty acid methyl esters and non-hydroxy fatty acid methyl esters; (b) separating the hydroxy fatty acid methyl esters from the non-hydroxy fatty acid methyl esters with an organic solvent mixture comprising a pentane/hexane and a short-chain alcohol; and (c) separately recovering the hydroxy fatty acid methyl esters and the non-hydroxy fatty acid methyl esters from the organic solvent mixture. Hydroxy fatty acids that can be recovered, purified and enriched with the process include ricinoleic acid, densipolic acid, lesquerolic acid, and auricolic acid. The non-hydroxy fatty acid methyl esters can be recovered, purified and further processed into biodiesel fuels and/or lubricants.
    • 从源油中回收,纯化和富集羟基脂肪酸的方法。 该方法包括以下步骤:(a)将源油甲基化以形成羟基脂肪酸甲酯和非羟基脂肪酸甲酯; (b)用包含戊烷/己烷和短链醇的有机溶剂混合物将羟基脂肪酸甲酯与非羟基脂肪酸甲酯分离; 和(c)从有机溶剂混合物中分别回收羟基脂肪酸甲酯和非羟基脂肪酸甲酯。 可以回收,纯化和富集该方法的羟基脂肪酸包括蓖麻油酸,致密酸,裂解酸和芳香酸。 非羟基脂肪酸甲酯可以回收,纯化并进一步加工成生物柴油燃料和/或润滑剂。