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    • 1. 发明专利
    • 金属回収方法及び金属回収装置
    • 金属回收方法和金属回收装置
    • JP2015052164A
    • 2015-03-19
    • JP2013265177
    • 2013-12-24
    • 三菱レイヨン株式会社Mitsubishi Rayon Co Ltd公立大学法人大阪府立大学Osaka Prefecture Univ
    • TATSUNO KOICHIRONINOMIYA YASUHIROTERASAWA KAORUKONISHI YASUHIROSAITO NORIZO
    • C22B11/00B22F9/00B22F9/24C22B3/44C22B7/00
    • Y02P10/234
    • 【課題】簡便に、高い効率で連続的に金属イオン含有溶液から金属を回収する。【解決手段】下記工程(1)及び(2)を含む、金属イオンを含有する溶液中からの金属回収方法、さらに、下記工程(3)を含む前記金属回収方法、さらに、前記工程(2)において2価鉄イオンを作用させる前記金属回収方法、さらに、前記工程(1)において、前記金属イオンを還元させてなる金属を予め含有させる前記金属回収方法、及び金属回収装置。(1)金属イオン含有溶液に水溶性還元剤を作用させて、金属イオンを還元し、金属微粒子とする、還元工程;(2)前記工程(1)で得られる金属微粒子を含む溶液を、濾過膜により濃縮して、濃縮液を得る、濃縮工程;(3)前記工程(2)で得られる濃縮液を、前記工程(1)に戻す、返送工程;【選択図】図1
    • 要解决的问题:从含金属离子的溶液中以高效率容易且连续地回收金属。解决方案:一种从含金属离子的溶液中回收金属的方法,包括以下步骤(1)和(2); 回收金属的方法,还包括以下步骤(3); 包括使二价铁离子在步骤(2)中起作用的回收金属的方法; 回收金属的方法,其中通过还原金属离子形成的金属包括在步骤(1)中; 和金属回收装置:(1)使水溶性还原剂作用于含金属离子的溶液以还原金属离子以得到金属微粒的还原步骤; (2)使用过滤膜浓缩含有工序(1)得到的金属微粒的溶液的浓缩工序,得到浓缩液; 和(3)将由步骤(2)获得的浓缩液体返回到步骤(1)的返回步骤。
    • 3. 发明专利
    • Process for producing polysaccharide
    • 生产多糖的方法
    • JP2011116825A
    • 2011-06-16
    • JP2009273575
    • 2009-12-01
    • Mitsubishi Rayon Co Ltd三菱レイヨン株式会社
    • TATSUNO KOICHIROKITAHARA DAISUKE
    • C08B37/00C08B37/08
    • PROBLEM TO BE SOLVED: To provide a process for producing a polysaccharide suitable for long-term preservation which can inhibit the hydrolysis of the polysaccharide. SOLUTION: The process for producing a polysaccharide comprises a step (1) of cultivating a polysaccharide producing microorganism to produce a polysaccharide and a step (2) of heat-treating the culture and the gas phase portion of the culture tank, respectively, after completion of cultivation. According to this process, the hydrolysis of the saccharide can be inhibited by simultaneously heat-treating the culture and the gas phase portion within the culture tank and a saccharide suitable for long-term preservation can be produced. COPYRIGHT: (C)2011,JPO&INPIT
    • 待解决的问题:提供一种适于长期保存的可抑制多糖水解的多糖的方法。 解决方案:多糖的制备方法包括培养多糖生产微生物以制备多糖的步骤(1)和分别对培养槽的培养物和气相部分进行热处理的步骤(2) 完成栽培后。 根据该方法,可以通过同时热处理培养罐内的培养物和气相部分来抑制糖的水解,并且可以生产适于长期保存的糖类。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Manufacturing method for powder hyaluronic acid and its salt
    • 用于制备磷酸钙及其盐的制备方法
    • JP2009256464A
    • 2009-11-05
    • JP2008106890
    • 2008-04-16
    • Mitsubishi Rayon Co Ltd三菱レイヨン株式会社
    • MORIKAWA MITSUONINOMIYA HIROFUMISAWADA HIROAKITATSUNO KOICHIRO
    • C08B37/08
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for obtaining a powdery hyaluronic acid or the like with high purity and high solubility.
      SOLUTION: The manufacturing method for the powdery hyaluronic acid and its salt has a step for performing dehydration treatment for precipitating hyaluronic acid and/or its salt by adding a water-soluble organic solvent to an aqueous liquid containing hyaluronic acid and/or its salt to separate the precipitate from a mother liquor, a step for washing treatment for washing the precipitate with a 75-80 mass% of an aqueous solution of the water-soluble organic solvent, and a step for drying treatment for drying the precipitate after washing in the order. The washing treatment is preferably performed by washing it with a 75-80 mass% of an aqueous isopropyl alcohol solution.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种获得高纯度和高溶解度的粉状透明质酸等的制造方法。 解决方案:透明质酸及其盐粉末的制造方法具有进行脱水处理以使透明质酸和/或其盐沉淀的步骤,通过将水溶性有机溶剂加入到含有透明质酸的水性液体和/或 将其从母液中分离出沉淀物,用75-80质量%的水溶性有机溶剂水溶液洗涤沉淀物的洗涤处理步骤,以及干燥后的沉淀物干燥处理步骤 按顺序洗。 洗涤处理优选通过用75-80质量%的异丙醇水溶液洗涤来进行。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Process for producing hyaluronic acid
    • 生产羟丙酸的方法
    • JP2009028032A
    • 2009-02-12
    • JP2008133501
    • 2008-05-21
    • Mitsubishi Rayon Co Ltd三菱レイヨン株式会社
    • TATSUNO KOICHIRO
    • C12P19/26C12R1/46
    • PROBLEM TO BE SOLVED: To obtain hyaluronic acid more efficiently by accumulating the hyaluronic acid at high concentration, in a culture solution.
      SOLUTION: The invention relates to the process for producing hyaluronic acid by culturing a microorganism having hyaluronic acid producing capability, characterized by carrying out a heat treatment, in the presence of at least 0.5 g/L of glucose in the culture solution at a later stage of the culture. The method allows accumulation of the hyaluronic acid with higher concentration in the culture solution, and as a result, hyaluronic acid can be produced more efficiently.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过在培养溶液中积聚高浓度的透明质酸来更有效地获得透明质酸。 解决方案:本发明涉及通过培养具有透明质酸产生能力的微生物来生产透明质酸的方法,其特征在于在培养液中至少0.5g / L的葡萄糖存在下进行热处理 文化的后期阶段。 该方法允许在培养溶液中积聚更高浓度的透明质酸,结果可以更有效地生产透明质酸。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Preparation method of hyaluronic acid
    • 羟丙酸的制备方法
    • JP2008280430A
    • 2008-11-20
    • JP2007125500
    • 2007-05-10
    • Mitsubishi Rayon Co Ltd三菱レイヨン株式会社
    • TATSUNO KOICHIRO
    • C08B37/08
    • PROBLEM TO BE SOLVED: To provide a method for easily preparing highly pure hyaluronic acid which is free of metal impurities. SOLUTION: Hyaluronic acid is prepared by contacting a liquid containing hyaluronic acid with a chelate resin, preferably recycling the resin through an acid or alkali treatment after contacting the liquid containing hyaluronic acid with the chelate resin, replacing some of sodium-form exchange groups with hydrogen-form exchange groups using an acid and contacting the liquid containing hyaluronic acid with the chelate resin. This enables the preparation of high-quality sodium hyarulonate which is free of impurity metals, particularly calcium, magnesium and iron. COPYRIGHT: (C)2009,JPO&INPIT
    • 待解决的问题:提供一种容易制备不含金属杂质的高纯度透明质酸的方法。 透明质酸是通过使含有透明质酸的液体与螯合树脂接触来制备的,优选在使含有透明质酸的液体与螯合树脂接触之后通过酸或碱处理循环树脂,代替一些钠形式的交换 使用酸形成氢形式的交换基团,并将含有透明质酸的液体与螯合树脂接触。 这使得能够制备不含杂质金属,特别是钙,镁和铁的高品质磺脲酸钠。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Method for culturing microorganism
    • 培养微生物的方法
    • JP2005198625A
    • 2005-07-28
    • JP2004011031
    • 2004-01-19
    • Mitsubishi Rayon Co Ltd三菱レイヨン株式会社
    • TATSUNO KOICHIROMIYAGI AKI
    • C12N1/20C02F3/00
    • PROBLEM TO BE SOLVED: To provide a method for obtaining microorganisms having a dephosphorization activity, efficiently in a short time.
      SOLUTION: This method for culturing the microorganisms having the dephosphorization activity by using culturing liquid containing a specific carbon source is an excellent method capable of growing the microorganisms having the dephosphorization activity in an extremely rapid rate. In the culture, by maintaining ≥1 mg/L dissolved oxygen in the culturing liquid, it is possible to culture the microorganisms having the dephosphorization activity more efficiently. Further, ≥3.0 (1/day) specific proliferation rate of the microorganisms having the dephosphorization activity is suitable for an industrial production of the microorganisms.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提供一种在短时间内有效地获得具有脱磷活性的微生物的方法。 解决方案:通过使用含有特定碳源的培养液培养具有脱磷活性的微生物的这种方法是能够以非常快的速度生长具有脱磷活性的微生物的优异方法。 在培养中,通过在培养液中维持≥1mg/ L的溶解氧,可以更有效地培养具有脱磷活性的微生物。 此外,具有脱磷活性的微生物的特异性增殖率≥3.0(1 /天)适合微生物的工业化生产。 版权所有(C)2005,JPO&NCIPI