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JP2008222570A - Method for producing amino acid or organic acid - Google Patents

Method for producing amino acid or organic acid Download PDF

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JP2008222570A
JP2008222570A JP2007059177A JP2007059177A JP2008222570A JP 2008222570 A JP2008222570 A JP 2008222570A JP 2007059177 A JP2007059177 A JP 2007059177A JP 2007059177 A JP2007059177 A JP 2007059177A JP 2008222570 A JP2008222570 A JP 2008222570A
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acid
organic acid
amino acid
temperature
organic
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Hiroyuki Yoshida
弘之 吉田
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Osaka Metropolitan University
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Osaka Prefecture University PUC
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrrole Compounds (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for producing a useful chemical material by subjecting a treated product containing a protein fiber to decomposition treatment by using water in a subcritical state. <P>SOLUTION: An amino acid or an organic acid can be prepared by subjecting a material containing a protein fiber to the decomposition treatment by using the water in the subcritical state. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、タンパク繊維からからアミノ酸または有機酸を製造する方法に関する。   The present invention relates to a method for producing amino acids or organic acids from protein fibers.

廃棄物中に含まれる廃繊維製品は、従来焼却処分や廃棄処分されている。環境の面からこのような廃繊維製品を再利用することが試みられている（例えば、特許文献１参照）。   Waste fiber products contained in waste are conventionally incinerated or disposed of. Reuse of such waste fiber products has been attempted from the viewpoint of the environment (see, for example, Patent Document 1).

特許文献1には、ポリエステル繊維とウール繊維を、所定の条件で、水熱反応させ、ウール繊維を溶解させた後、ポリエステル繊維を回収する方法が開示されている。
特開２００３−１６４８２７号公報 Patent Document 1 discloses a method in which polyester fibers and wool fibers are subjected to a hydrothermal reaction under predetermined conditions to dissolve the wool fibers and then recover the polyester fibers.
Japanese Patent Laid-Open No. 2003-164827

しかし、この文献には、回収したポリエステル繊維を利用できることは記載されているが、溶解したウール繊維を具体的にどのように利用するかについては示唆さえされていない。   However, this document describes that the recovered polyester fiber can be used, but it does not even suggest how to specifically use the dissolved wool fiber.

すなわち、本発明は、上記問題に鑑みなされたものであり、その目的は、タンパク繊維を含有する材料を処理して、有益な化学物質を製造する製造方法を提供することにある。   That is, this invention is made | formed in view of the said problem, The objective is to provide the manufacturing method which processes the material containing protein fiber, and manufactures a useful chemical substance.

本発明者は、上記課題を解決すべく、鋭意検討した結果、タンパク繊維を含有する材料を、亜臨界水を用いて分解処理することにより、アミノ酸または有機酸を得ることを見出し、本発明を完成した。   As a result of intensive studies to solve the above problems, the present inventors have found that an amino acid or an organic acid can be obtained by decomposing a material containing protein fibers using subcritical water. completed.

前記タンパク繊維が、羊毛であると好ましい。前記アミノ酸が、シスチン、アラニン、グリシン、及びバリンからなるアミノ酸の群から選択されるアミノ酸であればよい。また、前記有機酸は、ピログルタミン酸であってもよい。   It is preferable that the protein fiber is wool. The amino acid may be an amino acid selected from the group of amino acids consisting of cystine, alanine, glycine, and valine. The organic acid may be pyroglutamic acid.

本発明は、亜臨界状態の水を用いて、タンパク繊維を含有する処理物を分解処理することで、有益な化学物質を製造する製造方法を提供することができる。   INDUSTRIAL APPLICATION This invention can provide the manufacturing method which manufactures a useful chemical substance by decomposing | disassembling the processed material containing a protein fiber using the water of a subcritical state.

以下に、本発明を詳細に説明する。   The present invention is described in detail below.

［タンパク繊維を含有する処理物］
本発明のアミノ酸または有機酸の製造方法に用いられるタンパク繊維を含有する処理物において、タンパク繊維とは、タンパク質（ケラチン）を主成分とする繊維であって、羊毛（ウール）、モヘヤ、カシミヤ、山羊毛、アルパカ、ラクダ、ウマ、ウサギの毛などが挙げられる。一方、化学繊維は、ポリエステルなど合成高分子からなる合成繊維、天然繊維を溶解して紡糸し再凝固させてつくった再生繊維、天然繊維の高分子に化学反応を施し誘導体として紡糸した半合成繊維などである。タンパク繊維を含有する布製品は、例えば布製品の廃棄物であってもよい。 [Processed product containing protein fiber]
In the processed product containing the protein fiber used in the method for producing an amino acid or organic acid of the present invention, the protein fiber is a fiber mainly composed of protein (keratin), and is composed of wool (wool), mohair, cashmere, Examples include goat hair, alpaca, camel, horse, rabbit hair. Chemical fibers, on the other hand, are synthetic fibers made of synthetic polymers such as polyester, regenerated fibers made by dissolving natural fibers, spun and re-coagulated, and semi-synthetic fibers made by chemically reacting natural fiber polymers and spinning them as derivatives. Etc. The fabric product containing protein fibers may be, for example, a waste product of fabric.

タンパク繊維を含有する処理物は、直接またはスラリー状態で反応器に供給される。前記処理物は、そのまま用いてもよく、前処理を施してもよい。布製品などの場合は、切断処理をして反応器に供給してもよい。   The treated product containing protein fibers is fed to the reactor directly or in a slurry state. The processed product may be used as it is or may be pretreated. In the case of a cloth product or the like, it may be cut and supplied to the reactor.

［分解条件］
本発明の有機酸を製造する有機酸の製造方法においては、タンパク繊維を含有する処理物を亜臨界状態の水と接触させて分解することにより、アミノ酸または有機酸を製造する。タンパク繊維を含有する処理物と、亜臨界状態の水との混合比は、特に制限されないが、例えば、タンパク繊維を含有する処理物１質量部に対して、水を５〜３０質量部、好ましくは１０〜２５質量部の範囲であるとよい。本発明の方法において、反応は、バッチ式であっても、連続式であってもよい。 [Disassembly conditions]
In the method for producing an organic acid for producing an organic acid of the present invention, an amino acid or an organic acid is produced by bringing a treated product containing protein fibers into contact with subcritical water for decomposition. The mixing ratio of the processed product containing protein fibers and the subcritical water is not particularly limited. For example, 5 to 30 parts by mass of water is preferable with respect to 1 part by mass of the processed product containing protein fibers. Is preferably in the range of 10 to 25 parts by mass. In the method of the present invention, the reaction may be batch type or continuous type.

ここで、水の超臨界状態とは、温度及び圧力が臨界点（３７４℃、２２ＭＰａ）以上の状態にあることを言い、水の亜臨界状態とは、例えば３７４℃以上、２．５ＭＰａ以上２２ＭＰａ未満あるいは３７４℃以下、２２ＭＰａ以上の状態、あるいは３７４℃以下、２２ＭＰａ未満であっても臨界点に近い高温高圧状態をいう。処理温度は、処理に用いるタンパク繊維の種類や処理後に得るアミノ酸・有機酸の種類によって適宜選択すればよい。例えば、アミノ酸のシスチンを単独で多く得たい場合には、２２５℃以上、２７０℃以下の水の亜臨界状態で処理すればよい。また、有機酸のピログルタミン酸を多く得たい場合には、２５０℃以上、３００℃以下の水の亜臨界状態で処理すればよい。   Here, the supercritical state of water means that the temperature and pressure are in a state of a critical point (374 ° C., 22 MPa) or higher, and the subcritical state of water is, for example, 374 ° C. or higher, 2.5 MPa or higher and 22 MPa. Or a state of 374 ° C. or lower and 22 MPa or higher, or a temperature of 374 ° C. or lower and lower than 22 MPa, a high temperature and high pressure state close to the critical point. What is necessary is just to select processing temperature suitably with the kind of protein fiber used for a process, and the kind of amino acid and organic acid obtained after a process. For example, when it is desired to obtain a large amount of the amino acid cystine alone, the treatment may be performed in a subcritical state of water at 225 ° C. or higher and 270 ° C. or lower. Further, when it is desired to obtain a large amount of pyroglutamic acid as an organic acid, the treatment may be performed in a subcritical state of water at 250 ° C. or higher and 300 ° C. or lower.

反応時間は、処理温度、処理物の種類、処理後に得られるアミノ酸・有機酸の種類により適宜設定すればよく、例えば、１分以上、１０分以下である。   What is necessary is just to set reaction time suitably with the kind of process temperature, the kind of processed material, and the kind of amino acid and organic acid obtained after a process, for example, is 1 minute or more and 10 minutes or less.

反応器から流出した熱水は、得られた有機酸が過度に加水分解するのを防ぐために、直ちに冷却するのが好ましい。得られた有機酸は、常法に従って、分離回収する。   The hot water flowing out of the reactor is preferably immediately cooled to prevent excessive hydrolysis of the organic acid obtained. The obtained organic acid is separated and recovered according to a conventional method.

このように、タンパク繊維を含有する処理物の加水分解処理により、例えば、羊毛では、シスチン、アラニン、グリシン、バリンなどのアミノ酸や、ピログルタミン酸などの有機酸が得られる。加水分解するタンパク繊維の条件を代えることにより、得られるアミノ酸・有機酸の種類を変えることができる。得られた有機酸は、工業原料として再利用できる。   In this way, by hydrolyzing the treated product containing protein fibers, for example, in wool, amino acids such as cystine, alanine, glycine, and valine and organic acids such as pyroglutamic acid are obtained. By changing the conditions of the protein fiber to be hydrolyzed, the type of amino acid / organic acid obtained can be changed. The obtained organic acid can be reused as an industrial raw material.

以下、実施例により本発明を説明するが、本発明はかかる実施例に限定されるものではない。   EXAMPLES Hereinafter, although an Example demonstrates this invention, this invention is not limited to this Example.

（実施例１）
（アミノ酸）
タンパク繊維を含有する処理物として、羊毛を用いた。木綿１質量部に対して、純水１６質量部を反応管（ＳＵＳ３１６）に充填して密閉した。この反応管を、それぞれ、２５０℃、２７５℃、３００℃の恒温槽に浸漬して急激に加熱し、５分間保持して、分解反応を行った。 (Example 1)
(amino acid)
Wool was used as a processed product containing protein fibers. With respect to 1 part by mass of cotton, 16 parts by mass of pure water was filled in a reaction tube (SUS316) and sealed. The reaction tubes were immersed in constant temperature baths of 250 ° C., 275 ° C., and 300 ° C., rapidly heated, and held for 5 minutes to perform a decomposition reaction.

その後反応管を恒温槽から取り出して冷却槽に浸漬して、急冷させて常温まで戻した。   Thereafter, the reaction tube was taken out of the thermostatic bath, immersed in a cooling bath, rapidly cooled, and returned to room temperature.

反応管中には、アミノ酸・有機酸を含んだ水可溶性成分と、未分解物（固形残渣）とが存在した。未分解物をろ過・除去し、アミノ酸・有機酸を含む水可溶成分が得られた。有機酸を含む水可溶成分中のアミノ酸を分析した。アミノ酸の分析は、ＨＰＬＣ（Ｓｈｉｍａｄｚｕ ＬＣ−１０オングストローム）、分離法：イオン排除クロマトグラフィー、検出法：ポストカラムｐＨ緩衝化電気伝導度検出法)を用いて測定を行った。得られたアミノ酸の生成率を図１〜３に示す。なお、アミノ酸の収率は、下式（１）を用いて算出した。
In the reaction tube, there were a water-soluble component containing an amino acid / organic acid and an undecomposed product (solid residue). Undecomposed matter was filtered and removed, and a water-soluble component containing amino acid and organic acid was obtained. Amino acids in water-soluble components including organic acids were analyzed. The amino acid analysis was performed using HPLC (Shimadzu LC-10 angstrom), separation method: ion exclusion chromatography, detection method: post-column pH buffered conductivity detection method. The production rate of the obtained amino acid is shown in FIGS. The amino acid yield was calculated using the following formula (1).

図１〜３から、生成されたアミノ酸は、シスチン（CYS）アラニン(ALA)、グリシ(GLY)、バリン（VAL）、アスパラギン酸（ASP）、ロイシン（LEU）、ヒスチジン（HIS）、チロシン（TYR）、イソロイシン（ILE）、スレオニン（THR）、グルタミン酸（GLU）、セリン（SER）、フェニルアラニン（PHE）、アルギニン（ARG）、リジン（LYS）、メチオニン（MET）、以上１６種類のアミノ酸であった。   1-3, the produced amino acids are cystine (CYS) alanine (ALA), glycy (GLY), valine (VAL), aspartic acid (ASP), leucine (LEU), histidine (HIS), tyrosine (TYR). ), Isoleucine (ILE), threonine (THR), glutamic acid (GLU), serine (SER), phenylalanine (PHE), arginine (ARG), lysine (LYS), methionine (MET), and more than 16 amino acids. .

図１〜３から、収率の大きいアミノ酸は、シスチン、アラニン、グリシン、バリンの順であることがわかる。シスチンについては、２２５℃から急激に収率が増加した。２７５℃で最大約６％を示し、２７５℃以上になると減少した。アラニンについては２５０℃で最大約１．５％、それ以外のアミノ酸は最大値でも１％未満であった。   It can be seen from FIGS. 1 to 3 that the amino acids with large yields are in the order of cystine, alanine, glycine, and valine. For cystine, the yield increased rapidly from 225 ° C. The maximum was about 6% at 275 ° C. and decreased when the temperature reached 275 ° C. Alanine had a maximum of about 1.5% at 250 ° C., and other amino acids had a maximum value of less than 1%.

（実施例２）
実施例１において、各温度においてそれぞれ、反応時間を０〜３０分にした以外は、実施例１と同様にして、アミノ酸の経時変化を調べた。２５０℃の場合の結果を図４〜６に、２７５℃の場合の結果を図７〜９に、３００℃の場合の結果を図１０〜１２に示す。 (Example 2)
In Example 1, the time course of amino acids was examined in the same manner as in Example 1 except that the reaction time was 0 to 30 minutes at each temperature. The results at 250 ° C. are shown in FIGS. 4 to 6, the results at 275 ° C. are shown in FIGS. 7 to 9, and the results at 300 ° C. are shown in FIGS.

図７〜９から、いずれの温度条件においても、シスチンの収率が高いことがわかる。シスチンは、特に、２５０℃で３０分処理をした場合に一番高い約１２％の値を得た。一方、２７５℃で５分処理をしたときに約６％、３００℃で５分処理をしたときに約２％とその温度条件でのアミノ酸としては一番高い数値になった。しかし、２５０℃の時と比べ著しく収率は減少した。このことから、アミノ酸を得る場合は、２５０℃付近の温度で処理するとよいことがわかった。また、羊毛の処理においては、シスチンを多く得ることができることがわかった。   7 to 9 show that the yield of cystine is high under any temperature condition. In particular, cystine obtained the highest value of about 12% when treated at 250 ° C. for 30 minutes. On the other hand, it was about 6% when treated at 275 ° C. for 5 minutes and about 2% when treated at 300 ° C. for 5 minutes, which is the highest value for an amino acid at that temperature condition. However, the yield was significantly reduced compared to 250 ° C. From this, it was found that when the amino acid was obtained, the treatment should be performed at a temperature around 250 ° C. It was also found that a large amount of cystine can be obtained in the treatment of wool.

（実施例３）
（有機酸）
実施例１と同様にして、処理温度を変化させた場合の有機酸の生成を調べた。結果を図１３〜１５に示す。有機酸の分析は、ＨＰＬＣ（Ｓｈｉｍａｄｚｕ ＬＣ−１０オングストローム）、分離法：イオン排除クロマトグラフィー、検出法：ポストカラムｐＨ緩衝化電気伝導度検出法)を用いて測定を行った。得られたなお、有機酸の収率は、下式（２）を用いて算出した。
(Example 3)
(Organic acid)
In the same manner as in Example 1, the production of organic acid when the treatment temperature was changed was examined. The results are shown in FIGS. The analysis of the organic acid was performed by using HPLC (Shimadzu LC-10 angstrom), separation method: ion exclusion chromatography, detection method: post-column pH buffered conductivity detection method. The yield of the organic acid obtained was calculated using the following formula (2).

セルロースを含有する処理物として、木綿を用いた。木綿１質量部に対して、純水１６質量部を反応管（ＳＵＳ３１６）に充填して密閉した。この木綿と純水とを充填した反応管を、３１０℃の恒温槽に浸漬して急激に加熱し、０〜５分間保持した以外は、実施例１と同様に分解反応をした。反応開始後５０秒から１８０秒までは１秒ごとに、４分、５分経過後の有機酸を含む水可溶成分中の有機酸を分析した。得られた有機酸の生成率を図１３、１４に示す。生成率は上記式（１）を用いた。   Cotton was used as a treated product containing cellulose. With respect to 1 part by mass of cotton, 16 parts by mass of pure water was filled in a reaction tube (SUS316) and sealed. The reaction tube filled with cotton and pure water was immersed in a thermostatic bath at 310 ° C. and rapidly heated, and the decomposition reaction was carried out in the same manner as in Example 1 except that the reaction tube was held for 0 to 5 minutes. From 50 seconds to 180 seconds after the start of the reaction, the organic acid in the water-soluble component including the organic acid after 4 minutes and 5 minutes was analyzed every second. The production | generation rate of the obtained organic acid is shown to FIG. The above formula (1) was used for the production rate.

図１３、１４から、生成された有機酸は、ピログルタミン酸、酢酸、ギ酸、ピルビン酸、乳酸、コハク酸であることがわかる。最も多く精製された有機酸は、ピログルタミン酸であった。他の有機酸の収率は低かった。ピログルタミン酸の収率は３００℃で最大値約９％を示し３００℃以上で減少した。残りのギ酸、ピルビン酸、コハク酸については、２２５℃で少ないながらもそれぞれ最大値を示し２２５℃以上では減少した。乳酸については２５０℃から生成はじめたが収率はかなり低く最大値でも０．１％程度である。酢酸については温度が上昇するにつれて収率も徐々に増加した。しかし収率は最大値で１％程度である。３１０℃で、分解反応を行った場合は、全体に有機酸の生成率が高くなることがわかった。この結果から、羊毛からはピログルタミン酸が多く得られることがわかった。   13 and 14, it can be seen that the generated organic acid is pyroglutamic acid, acetic acid, formic acid, pyruvic acid, lactic acid, and succinic acid. The most purified organic acid was pyroglutamic acid. The yields of other organic acids were low. The yield of pyroglutamic acid showed a maximum value of about 9% at 300 ° C. and decreased at 300 ° C. or higher. The remaining formic acid, pyruvic acid, and succinic acid each showed a maximum value at 225 ° C., but decreased at 225 ° C. or higher. Lactic acid started to be produced at 250 ° C., but the yield was quite low and was about 0.1% at the maximum. For acetic acid, the yield gradually increased with increasing temperature. However, the maximum yield is about 1%. It was found that when the decomposition reaction was performed at 310 ° C., the organic acid production rate was increased overall. From this result, it was found that a large amount of pyroglutamic acid was obtained from wool.

（実施例４）
実施例１において、各温度においてそれぞれ、反応時間を０〜３０分にした以外は、実施例１と同様にして、有機酸の経時変化を調べた。２５０℃の場合の結果を図１５に、２７５℃の場合の結果を図１６に、３００℃の場合の結果を図１７に示す。 Example 4
In Example 1, the change over time of the organic acid was examined in the same manner as in Example 1 except that the reaction time was 0 to 30 minutes at each temperature. The results at 250 ° C. are shown in FIG. 15, the results at 275 ° C. are shown in FIG. 16, and the results at 300 ° C. are shown in FIG.

図１５〜１７から、いずれの温度においてもピログルタミン酸の収率が極めて高く、約１０％という値を示すことがわかる。そして温度が高いほど短い時間で、最大の収率に達した。それ以外の有機酸の収率は温度条件が異なっても同様に低い収率であった。このことから、本発明の方法を用いると、羊毛から、ピログルタミン酸を高収率で、単独で得られることがわかった。
15 to 17, it can be seen that the pyroglutamic acid yield is extremely high at any temperature and shows a value of about 10%. The higher the temperature, the shorter the time and the maximum yield was reached. The yields of other organic acids were similarly low even at different temperature conditions. From this, it was found that pyroglutamic acid can be obtained alone in high yield from wool using the method of the present invention.

図１は、本発明の方法を、温度を変えて実施した場合における、アミノ酸の生成率を示す図である。FIG. 1 is a diagram showing the production rate of amino acids when the method of the present invention is carried out at different temperatures. 図２は、本発明の方法を、温度を変えて実施した場合における、アミノの生成率を示す図である。FIG. 2 is a diagram showing the production rate of amino when the method of the present invention is carried out at different temperatures. 図１は、本発明の方法を、温度をにして実施した場合における、アミノ酸の生成率を示す図である。FIG. 1 is a diagram showing the production rate of amino acids when the method of the present invention is carried out at a temperature. 図４は、本発明の方法を、温度を２２５℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 4 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 225 ° C. 図５は、本発明の方法を、温度を２２５℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 5 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 225 ° C. 図６は、本発明の方法を、温度を２２５℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 6 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 225 ° C. 図７は、本発明の方法を、温度を２５０℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 7 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 250 ° C. 図８は、本発明の方法を、温度を２５０℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 8 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 250 ° C. 図９は、本発明の方法を、温度を２５０℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 9 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 250 ° C. 図１０は、本発明の方法を、温度を２７５℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 10 is a diagram showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 275 ° C. 図１１は、本発明の方法を、温度を２７５℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 11 is a graph showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 275 ° C. 図１２は、本発明の方法を、温度を２７５℃にして実施した場合における、アミノ酸の生成率の経時変化を示す図である。FIG. 12 is a diagram showing the change over time in the production rate of amino acids when the method of the present invention is carried out at a temperature of 275 ° C. 図１３は、本発明の方法を、温度を変えて実施した場合における、有機酸の生成率を示す図である。FIG. 13 is a diagram showing the organic acid production rate when the method of the present invention is carried out at different temperatures. 図１４は、本発明の方法を、温度を変えて実施した場合における、有機酸の生成率を示す図である。FIG. 14 is a diagram showing the organic acid production rate when the method of the present invention is carried out at different temperatures. 図１５は、本発明の方法を、温度を２５０℃にして実施した場合における、有機酸の生成率の経時変化を示す図である。FIG. 15 is a diagram showing the change over time in the production rate of organic acid when the method of the present invention is carried out at a temperature of 250 ° C. 図１６は、本発明の方法を、温度を２７５℃にして実施した場合における、有機酸の生成率の経時変化を示す図である。FIG. 16 is a diagram showing the change over time in the production rate of organic acid when the method of the present invention is carried out at a temperature of 275 ° C. 図１７は、本発明の方法を、温度を３００℃にして実施した場合における、有機酸の生成率の経時変化を示す図である。FIG. 17 is a graph showing the change over time in the production rate of organic acid when the method of the present invention is carried out at a temperature of 300 ° C.

Claims (4)

タンパク繊維を含有する処理物を亜臨界状態の水と接触させて分解し、アミノ酸または有機酸を製造するアミノ酸または有機酸の製造方法。   A method for producing an amino acid or an organic acid, wherein a processed product containing protein fibers is brought into contact with subcritical water to be decomposed to produce an amino acid or an organic acid. 前記タンパク繊維が、羊毛である、請求項１に記載のアミノ酸または有機酸の製造方法。   The method for producing an amino acid or an organic acid according to claim 1, wherein the protein fiber is wool. 前記アミノ酸が、シスチン、アラニン、グリシン、及びバリンからなるアミノ酸の群から選択されるアミノ酸である、請求項１または２に記載のアミノ酸または有機酸の製造方法。   The method for producing an amino acid or an organic acid according to claim 1 or 2, wherein the amino acid is an amino acid selected from the group of amino acids consisting of cystine, alanine, glycine, and valine. 前記有機酸が、ピログルタミン酸である、請求項１または２に記載のアミノ酸または有機酸の製造方法。



The method for producing an amino acid or organic acid according to claim 1 or 2, wherein the organic acid is pyroglutamic acid.



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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023064036A (en) * 2021-10-25 2023-05-10 南亞塑膠工業股▲分▼有限公司 Method for treating waste fabrics containing polyester fibers and wool fibers

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0646871A (en) * 1992-07-29 1994-02-22 Ajinomoto Co Inc Production of protein hydrolyzate
JPH06336499A (en) * 1993-05-25 1994-12-06 Kiyoshi Yamauchi Insoluble reduced protein derived from animal cuticular cell, its production and molded article reduced protein derived from cuticular cell as raw material
JPH10291999A (en) * 1997-04-18 1998-11-04 Kiyoshi Yamauchi Reduced protein from hair of higher animal, its dispersion in aqueous medium and its production
JPH11342379A (en) * 1998-03-30 1999-12-14 Japan Science & Technology Corp Method for producing organic acid from waste organic matter
JP2002332272A (en) * 2001-05-10 2002-11-22 Toyohashi University Of Technology Method for synthesizing taurine from protein-containing substance using high-temperature high-pressure water
JP2005081330A (en) * 2003-09-11 2005-03-31 Osaka Industrial Promotion Organization Method for treating waste originated from mollusk
JP2005103539A (en) * 2003-09-11 2005-04-21 Osaka Industrial Promotion Organization Method for treating material containing toxic and/or pathogenic protein
WO2005077514A1 (en) * 2004-02-13 2005-08-25 Osaka Industrial Promotion Organization Method for producing product decomposed with subcritical water and apparatus for decomposition treatment with subcritical water
JP2006212617A (en) * 2005-02-04 2006-08-17 Hiroyuki Yoshida Separation and recovery method of phosphoric acid, organic acid, and amino acid, and treatment method of organic materials
JP2007135488A (en) * 2005-11-18 2007-06-07 Nippon Meat Packers Inc Low molecular weight protein and feed material or food material containing the same

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0646871A (en) * 1992-07-29 1994-02-22 Ajinomoto Co Inc Production of protein hydrolyzate
JPH06336499A (en) * 1993-05-25 1994-12-06 Kiyoshi Yamauchi Insoluble reduced protein derived from animal cuticular cell, its production and molded article reduced protein derived from cuticular cell as raw material
JPH10291999A (en) * 1997-04-18 1998-11-04 Kiyoshi Yamauchi Reduced protein from hair of higher animal, its dispersion in aqueous medium and its production
JPH11342379A (en) * 1998-03-30 1999-12-14 Japan Science & Technology Corp Method for producing organic acid from waste organic matter
JP2002332272A (en) * 2001-05-10 2002-11-22 Toyohashi University Of Technology Method for synthesizing taurine from protein-containing substance using high-temperature high-pressure water
JP2005081330A (en) * 2003-09-11 2005-03-31 Osaka Industrial Promotion Organization Method for treating waste originated from mollusk
JP2005103539A (en) * 2003-09-11 2005-04-21 Osaka Industrial Promotion Organization Method for treating material containing toxic and/or pathogenic protein
WO2005077514A1 (en) * 2004-02-13 2005-08-25 Osaka Industrial Promotion Organization Method for producing product decomposed with subcritical water and apparatus for decomposition treatment with subcritical water
JP2006212617A (en) * 2005-02-04 2006-08-17 Hiroyuki Yoshida Separation and recovery method of phosphoric acid, organic acid, and amino acid, and treatment method of organic materials
JP2007135488A (en) * 2005-11-18 2007-06-07 Nippon Meat Packers Inc Low molecular weight protein and feed material or food material containing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023064036A (en) * 2021-10-25 2023-05-10 南亞塑膠工業股▲分▼有限公司 Method for treating waste fabrics containing polyester fibers and wool fibers
JP7376641B2 (en) 2021-10-25 2023-11-08 南亞塑膠工業股▲分▼有限公司 Method for processing waste fabrics including polyester fibers and wool fibers

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