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    • 2. 发明公开
    • 황산화물 함유 고비점 유분으로부터 황산화물을 분리 제거하는 방법
    • 从含有硫化物的高沸点物料分离硫磺的方法
    • KR1020130071694A
    • 2013-07-01
    • KR1020110139059
    • 2011-12-21
    • 한국에너지기술연구원에스케이이노베이션 주식회사
    • 고창현김종남한상섭박종호범희태정태성김경록유재욱김용운노명한박지혜임삼목
    • C10G21/20C10G21/16C10G25/03C07C7/10
    • C10G21/20C10G7/08C10G21/16C10G2300/1055C10G2300/202
    • PURPOSE: A method for separating sulfones from high boiling fractions containing sulfones is provided to reduce equipment cost and process operation cost compared to hydrosulfurization method. CONSTITUTION: An extraction solvent is supplied to a high boiling fraction containing sulfones to remove unreacted oxidant and oxidation reaction by-product (S1). The extraction solvent is removed by distillation (S2). Sulfones in the high boiling fraction containing sulfones is absorbed and separated by using absorbent (S3). The absorbent is silica which is acidified. The extraction solvent is methanol or acetonitrile. The high boiling fraction containing sulfones and the extraction solvent are used with weight ration of 1:1-4:1.The high boiling fraction is Residue Hydro-DeSulfurization (RHDS) diesel whose boiling point is 180-400°C. [Reference numerals] (AA) Sulfur diesel containing sulfur oxides 180-400°C; (BB) Extraction (S1 step); (CC) Extraction solvent removal (S2 step); (DD) Adsorption (S3 step); (EE) Ultra low sulfur diesel having a high boiling fraction
    • 目的:提供一种从含有砜的高沸点馏分中分离砜的方法,以减少与氢硫化方法相比的设备成本和工艺操作成本。 构成:将提取溶剂供给含有砜的高沸点馏分以除去未反应的氧化剂和氧化反应副产物(S1)。 通过蒸馏除去萃取溶剂(S2)。 通过使用吸收剂吸收并分离含有砜的高沸点馏分中的砜(S3)。 吸收剂是被酸化的二氧化硅。 萃取溶剂为甲醇或乙腈。 使用含有砜和提取溶剂的高沸点馏分,重量比为1:1-4:1。高沸点馏分为沸点为180-400℃的渣油脱硫(RHDS)柴油。 (标号)(AA)含硫氧化物的硫柴油180-400℃; (BB)提取(S1步骤); (CC)萃取溶剂去除(S2步骤); (DD)吸附(S3步骤); (EE)具有高沸点馏分的超低硫柴油
    • 5. 发明公开
    • 메탄올을 극성용매로하는 2단계 흡착을 이용한 황산화물 분리공정
    • 使用甲醇溶剂和2步吸附的SULFONE分离方法
    • KR1020130072581A
    • 2013-07-02
    • KR1020110140072
    • 2011-12-22
    • 한국에너지기술연구원에스케이이노베이션 주식회사
    • 고창현김종남한상섭박종호범희태정태성김경록유재욱김용운노명한박지혜임삼목
    • C10G25/00B01D15/00B01D3/34C10G25/12
    • C10G25/003B01D15/00C10G25/12C10G2300/1037C10G2300/202
    • PURPOSE: A sulfones separation process using two-step absorption which uses methanol as polar solvent is provided to minimize operation cost and energy consumed in the separation during a process of separating sulfones from fraction containing sulfones. CONSTITUTION: Diesel containing sulfones is passed through absorber and then sulfones is absorbed in the absorber. A polar solvent is supplied to the absorber, and the absorber is recycled by dissolving and dissembling the sulfones absorbed in the absorber with the polar solvent. The polar solvent, by which the sulfones is dissolved, is passed through active carbon, and the polar solvent is recycled by absorbing and separating the sulfones dissolved in the polar solvent with the active carbon. Hydrocarbon is supplied to the active carbon in which the sulfones is absorbed, and thus the sulfones is separated from the active carbon. The sulfones is separated and collected from the hydrocarbon by distilling the hydrocarbon in which the sulfones is included. The absorber uses acidified silica. The polar solvent uses methanol. The active carbon is made by increasing surface polarity by activating carbon powder, whose pore size is 0.3-0.6 nm, in the temperature of 800 - 1000°C for 4-6 hours as supplying CO2. [Reference numerals] (AA) Ultra low sulfur diesel; (BB) Polar solvent; (CC) Hydrocarbon; (DD) Adsorption or extraction; (EE) Adsorption of activated carbon; (FF) Distillation; (GG) Diesel with sulfur oxides; (HH) Sulfur oxides/polar solvent; (II) Sulfur oxides/hydrocarbon; (JJ) Sulfur oxides
    • 目的:提供使用甲醇作为极性溶剂的两步吸收的砜分离方法,以在将砜与含有砜的馏分分离的过程中使分离过程中的操作成本和能量消耗最小化。 构成:含有砜的砜通过吸收剂,然后在吸收剂中吸收砜。 向吸收体供给极性溶剂,通过将吸收吸收的砜与极性溶剂进行溶解和分解来使吸收体再循环。 将砜溶解的极性溶剂通过活性炭,通过吸收和分离溶解在极性溶剂中的砜与活性炭来循环极性溶剂。 将烃供应到其中吸收砜的活性炭,从而将砜与活性炭分离。 通过蒸馏其中包含砜的烃,从烃中分离和收集砜。 吸收剂使用酸化二氧化硅。 极性溶剂使用甲醇。 通过在800-1000℃的温度下活化碳粉,其孔径为0.3-0.6nm,通过提供CO 2来提高表面极性4-6小时来制备活性炭。 (附图标记)(AA)超低硫柴油; (BB)极性溶剂; (CC)烃; (DD)吸附或萃取; (EE)吸附活性炭; (FF)蒸馏; (GG)柴油与硫氧化物; (HH)硫氧化物/极性溶剂; (二)硫氧化物/烃类; (JJ)硫氧化物