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    • 3. 发明公开
    • 해조류로부터 혼합 카르복시산 제조 방법
    • 通过使用海草制备混合的羧酸盐
    • KR1020120120625A
    • 2012-11-02
    • KR1020110038327
    • 2011-04-25
    • 에스케이이노베이션 주식회사에스케이에너지 주식회사
    • 박철희조인호김윤화이승엽윤영식송종희
    • C12P7/40C12N9/14C12R1/89
    • PURPOSE: A method for preparing carboxylic acid by fermenting marine algae under an anaerobic condition is provided to obtain carboxylic acid of high yield and to prevent pollution. CONSTITUTION: A method for preparing mixed carboxylic acid comprises hot water treatment, acid treatment, alkaline treatment, or enzyme treatment and from marine algae by anaerobic fermentation. The method further comprises a step of pulverizing the marine algae in a particle size of 20-300 um. The hot water treatment is performed by adding water to the marine algae in a ratio of 1:1-1:20 and treating at 60-200 Deg. C. for 5-120 minutes. The acid treatment is performed by adding 0.1-5%(w/w) of acidic solution and treating at 60-200 Deg. C. for 5-120 minutes. The alkaline treatment is performed by adding 0.1-5%(w/w) of an alkaline solution to the marine algae and treating at 60-200 Deg. C. for 5-120 minutes. Bio fuel is prepared through microorganism fermentation or chemical reaction using carboxylic acid. [Reference numerals] (AA) Marine Biomass(Gelidium amansii LAMOUROUX ); (BB) Kind of produced organic acid
    • 目的:提供在厌氧条件下发酵海藻制备羧酸的方法,以获得高产率的羧酸并防止污染。 构成:制备混合羧酸的方法包括热水处理,酸处理,碱处理或酶处理,并通过厌氧发酵从海藻中提取。 该方法还包括粉碎粒度为20-300μm的海藻的步骤。 热水处理通过以1:1-1:20的比例向海藻中加水并以60-200度处理来进行。 C.为5-120分钟。 酸处理通过加入0.1-5%(w / w)的酸性溶液并以60-200度处理。 C.为5-120分钟。 通过向海藻中加入0.1-5%(w / w)的碱性溶液并以60-200度处理进行碱处理。 C.为5-120分钟。 通过使用羧酸的微生物发酵或化学反应制备生物燃料。 (附图标记)(AA)海洋生物质(Gelidium amansii LAMOUROUX); (BB)生产的有机酸的种类
    • 6. 发明公开
    • 탄소원 기질과 염기의 유가식 공급에 의한 유기산 제조 방법
    • 一种通过碳源基材和基料的填充进料生产有机酸的方法
    • KR1020130131022A
    • 2013-12-03
    • KR1020120054740
    • 2012-05-23
    • 에스케이이노베이션 주식회사에스케이에너지 주식회사
    • 박재연강신영박우찬구민수조인호박중민이승엽김동현
    • C12P7/40C12N1/20C12P7/52
    • C12P7/52C12P7/40C12P7/46C12P7/54C12P7/56C12N1/20
    • The present invention provides a fed-batch culture method comprising a step for feeding a carbon source and base by fed-batch culture to maintain the optimum pH for the growth of microorganism and a method for producing organic acid using the fed-batch culture method. According to the present invention, the optimum pH for survival of the organism to ferment the carbon source is maintained and the injection speed of the carbon source substrate, a base material, is adjusted accordingly at the same time by fed-batch feeding of a neutralizing agent such as ammonium bicarbonate or weak base containing alkali metal and a carbon source substrate when producing the organic acid by microorganism fermentation,thereby increasing the productivity, yield, and production intensity of the organic acid and improving the reliability and simplicity of fermentation process operation since the base and the carbon source are automatically injected depending on pH change. [Reference numerals] (AA) Top;(BB) Bottom;(CC) Empty space;(DD) Porous frit(top);(EE) Polymer;(FF) Porous frit(bottom);(LL) dipping;(MM) Steaming;(NN) Drying;(OO) Packaging
    • 本发明提供补料分批培养方法,其包括通过补料分批培养来进料碳源和碱的步骤,以保持微生物生长的最适pH和使用补料分批培养方法生产有机酸的方法。 根据本发明,保持生物发酵碳源的最佳生存pH值,同时通过补料分批供给中和物质来调整碳源基材(基材)的注射速度 通过微生物发酵生产有机酸时,如碳酸氢铵或含碱金属的弱碱和碳源底物,从而提高有机酸的生产率,产率和生产强度,提高发酵过程操作的可靠性和简便性,因为 根据pH变化自动注入碱和碳源。 (AA)顶部;(BB)底部;(CC)空间;(DD)多孔玻璃料(顶部);(EE)聚合物;(FF)多孔玻璃料(底部);(LL)浸渍; )蒸汽;(NN)干燥;(OO)包装