JP2005152784A - Method for preventing rotting of precipitate and rotting proof liquid to be precipitated - Google Patents

Method for preventing rotting of precipitate and rotting proof liquid to be precipitated Download PDF

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JP2005152784A
JP2005152784A JP2003394949A JP2003394949A JP2005152784A JP 2005152784 A JP2005152784 A JP 2005152784A JP 2003394949 A JP2003394949 A JP 2003394949A JP 2003394949 A JP2003394949 A JP 2003394949A JP 2005152784 A JP2005152784 A JP 2005152784A
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precipitate
liquid
precipitated
rotting
microorganisms
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Keiichi Kato
圭一 加藤
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Kikusui Kagaku Kogyo KK
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for preventing rotting caused by propagation of microorganisms in precipitate containing organic substances and decomposition of the precipitate in the case where the precipitate is generated in stored or circulating liquid and the precipitate and liquid to be precipitated are insoluble in each other. <P>SOLUTION: A base tank 3 for storing a washing agent 2 as the liquid to be precipitated is installed in a washer 1 for dry cleaning, and in the base tank 3, a continuity pipe 4 is installed slightly apart from the bottom of the base tank 3. The continuity pipe 4 is connected to a washing tank 8 for washing clothes 7 as material to be washed through a pump 5 that can suck the washing agent 2 and a paper filter 6 as a filter member for removing contaminants. The washing agent 2 in the base tank 3 is mixed with flavonoid and ε-polylysine as rotting preventing agents soluble in the precipitate 9. The flavonoid and the ε-polylysine are dissolved in the precipitate 9 to control the propagation of microorganisms, thereby preventing the rotting of the precipitate 9. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、塗装ブース、浄水タンク、ドライクリーニング洗浄機、溜め池、プリント基板の洗浄機、機械等の洗浄機等に沈殿する沈殿物の腐敗予防方法に関するものである。   The present invention relates to a method for preventing the decay of sediments deposited on a coating booth, a water purification tank, a dry cleaning cleaning machine, a reservoir, a printed circuit board cleaning machine, a machine cleaning machine or the like.

従来、塗装ブース、浄水タンク、ドライクリーニング洗浄機、溜め池、プリント基板の洗浄機、機械等の洗浄機等に使用される被沈殿液体中には、有機物を含有する沈殿物が沈殿し、特に夏場の高温期において、前記沈殿物中に微生物が繁殖し、沈殿物が分解されることにより腐敗し、腐敗臭を生ずるという問題があった。   Conventionally, in a liquid to be precipitated used in a painting booth, a water purification tank, a dry cleaning washing machine, a reservoir, a printed board washing machine, a machine washing machine, etc., a precipitate containing an organic substance is precipitated. In the high temperature season of summer, there is a problem that microorganisms propagate in the precipitate, and the precipitate is decomposed to rot and produce a rot odor.

しかし、前記被沈殿液体と沈殿物とが互いに不溶である場合には、被沈殿液体に抗菌剤を混合しても、沈殿物自体の腐敗を防止することができず、十分な腐敗予防効果が得られないでいた。   However, when the liquid to be precipitated and the precipitate are insoluble in each other, even if an antibacterial agent is mixed with the liquid to be precipitated, the precipitate itself cannot be prevented from decaying, and a sufficient anti-corruption effect is obtained. It was not obtained.

また、厨芥などの有機物を含む廃棄物処理方法として、有機物を含む廃棄物を破砕し、破砕された廃棄物にリモネンなどのモノテルペン類、酢酸イソペンチルなどの酢酸エステル、プロピオン酸ベンジルなどのプロピオン酸エステル、及び酪酸エチルなどの酪酸エステルから選択した一種以上からなる溶剤を添加して厨芥中の油脂分、たんぱく質などを溶解してスラリー化すると共に微生物による腐敗を抑制し、該スラリー化した廃棄物を遠心分離などにより固形分と液状分とに分離し、該液状分を加熱して水分を気化分離し、次いで加熱温度を上げて溶剤を気化分離して回収する方法がある(例えば、特許文献1参照。)。   In addition, as a waste disposal method containing organic matter such as straw, the waste containing organic matter is crushed, and monoterpenes such as limonene, acetic acid esters such as isopentyl acetate, propionic acid such as benzyl propionate, etc. Add one or more solvents selected from esters and butyric acid esters such as ethyl butyrate to dissolve oils and fats, proteins, etc. in sludge to make a slurry, and to prevent decay by microorganisms, and to make this slurry waste There is a method in which the solid is separated into a liquid and a liquid by centrifugation, the liquid is heated to vaporize and separate moisture, and then the heating temperature is raised to vaporize and separate the solvent (for example, patent document). 1).

この発明は貯留期間中の腐敗を防止して悪臭の発生を防止すると共にその取扱いの便を図るためのスラリー化することが目的であるが、腐敗する対象物としての厨芥中の油脂分、たんぱく質などを溶解してスラリー化しているため、本発明が前提とする沈殿物は存在していない。また、使用する溶剤の量は廃棄物全体をスラリー化しなければならないため、廃棄物と等量かそれ以上の量が必要である。
特開2002−224638号公報(第2〜3頁)
The object of the present invention is to prevent rot during the storage period to prevent the generation of malodors and to make a slurry for the convenience of handling. Etc. are dissolved to form a slurry, and therefore there is no precipitate on which the present invention is premised. Also, the amount of solvent used must be equal to or greater than the amount of waste because the entire waste must be slurried.
JP 2002-224638 A (pages 2 to 3)

解決しようとする問題点は、貯留ないし循環する液体中に有機物を含有する沈殿物が発生し、該沈殿物と被沈殿液体とが互いに不溶である場合において、前記沈殿物中に微生物が繁殖し、沈殿物が分解されることにより腐敗し、腐敗臭を生ずる点である。   The problem to be solved is that when a precipitate containing an organic substance is generated in a liquid that is stored or circulated, and the precipitate and the liquid to be precipitated are insoluble in each other, microorganisms propagate in the precipitate. In addition, the precipitate is decomposed and decomposed to produce a rotting odor.

請求項1に記載の発明は、貯留ないし循環する液体中に有機物を含有する沈殿物が発生し、該沈殿物と被沈殿液体とが互いに不溶である場合において、前記被沈殿液体中に、沈殿物に浸透する腐敗防止剤を混合することを最も主要な特徴とする。   According to the first aspect of the present invention, in the case where a precipitate containing an organic substance is generated in the liquid that is stored or circulated, and the precipitate and the liquid to be precipitated are insoluble in each other, the precipitate is precipitated in the liquid to be precipitated. The most important feature is mixing anti-septics that penetrate into objects.

請求項2に記載の発明は、請求項1に記載の発明において、前記腐敗防止剤がフラボノイドもしくはε−ポリリシンのいずれか又は両者を含有することを最も主要な特徴とする。   The invention described in claim 2 is characterized in that, in the invention described in claim 1, the anti-corruption agent contains either flavonoid or ε-polylysine or both.

請求項3に記載の発明は、請求項1又は請求項2に記載の発明において、前記被沈殿液体がリモネンを含有することを最も主要な特徴とする。   The invention according to claim 3 is characterized in that, in the invention according to claim 1 or 2, the liquid to be precipitated contains limonene.

請求項4に記載の発明は、貯留ないし循環する液体中に有機物を含有する沈殿物が発生し、該沈殿物と被沈殿液体とが互いに不溶である場合において、前記被沈殿液体がフラボノイドもしくはε−ポリリシンのいずれか又は両者を含有することを特徴とする腐敗予防被沈殿液体。   According to a fourth aspect of the present invention, in the case where a precipitate containing an organic substance is generated in a liquid that is stored or circulated, and the precipitate and the liquid to be precipitated are insoluble in each other, the liquid to be precipitated is a flavonoid or ε -A rot preventive precipitation liquid characterized by containing either or both of polylysine.

請求項5に記載の発明は、請求項4に記載の発明において、さらにリモネンを含有することを最も主要な特徴とする。   The invention according to claim 5 is characterized in that, in the invention according to claim 4, it further contains limonene.

請求項1〜請求項5のいずれか一項に記載の発明によれば、有機物を含有する沈殿物と該沈殿物が沈殿している被沈殿液体とが互いに不溶である場合において、沈殿物の腐敗を予防することができるという利点がある。   According to the invention described in any one of claims 1 to 5, when the precipitate containing the organic matter and the liquid to be precipitated in which the precipitate is precipitated are insoluble in each other, There is an advantage that corruption can be prevented.

以下、本発明を具体化した実施形態を図1に基づいて説明する。本発明において沈殿物とは、被沈殿液体の下層に滞留する物質をいい、液体、固体を問わない。また、浸透するとは、物質Aと物質Aとの間に他の物質Bが分離することなく配置されることをいい、固体の空隙に液体が浸入することのみならず、液体同士又は液体と固体とが互いに溶解することをも指す。   Hereinafter, an embodiment of the present invention will be described with reference to FIG. In the present invention, the term “precipitate” refers to a substance that stays in the lower layer of the liquid to be precipitated, regardless of liquid or solid. The term “penetration” means that another substance B is disposed between the substance A and the substance A without being separated, and not only the liquid enters the solid void, but also between the liquids or between the liquid and the solid. It also means that and dissolve in each other.

(第1実施形態)
塗装ブースには、水を収容する貯水槽と、周囲への塗料の飛散を防止する囲い部材が設けられている。塗装ブース内で塗装を行うと、被塗装部材に付着しなかった塗料の飛散物が貯水槽に落下して水中に沈殿する。貯水槽中に沈殿物に浸透する腐敗防止剤としての2,4,5,6−テトラクロロイソフタロニトリルを混合することにより、ニトリル基が微生物が持つ酵素蛋白のチオール基と結合し、酵素の機能を阻害する。その結果、微生物の繁殖を抑制し、沈殿物の腐敗を防止することができる。
(First embodiment)
The painting booth is provided with a water storage tank for storing water and an enclosure member for preventing the paint from scattering to the surroundings. When painting is performed in the painting booth, the scattered matter that has not adhered to the member to be coated falls into the water storage tank and settles in the water. By mixing 2,4,5,6-tetrachloroisophthalonitrile as an antiseptic that penetrates into the sediment in the water tank, the nitrile group binds to the thiol group of the enzyme protein of the microorganism, Inhibits function. As a result, it is possible to suppress the growth of microorganisms and prevent the decay of precipitates.

塗装ブースの場合にはニトリル系の腐敗防止剤を用いることが好ましい。ニトリル系の腐敗防止剤は水に難溶で、有機物質には溶解するため、沈殿物のみに浸透させることができ、添加量を抑制することができる。ニトリル系の腐敗防止剤としては例えば、2,4,5,6−テトラクロロイソフタロニトリル等が挙げられる。   In the case of a painting booth, it is preferable to use a nitrile anticorrosive agent. Since the nitrile anti-corrosion agent is hardly soluble in water and dissolves in an organic substance, the nitrile anti-corrosive agent can be infiltrated only into the precipitate and the amount added can be suppressed. Examples of the nitrile anti-corruption agent include 2,4,5,6-tetrachloroisophthalonitrile.

以上のように構成された腐敗防止方法を用いることにより、塗装ブースにおける沈殿物中の微生物の繁殖を抑制し、該沈殿物の腐敗を予防することができる。   By using the anti-corruption method configured as described above, it is possible to suppress the growth of microorganisms in the precipitate in the painting booth and prevent the precipitate from being spoiled.

(第2実施形態)
図1に示すように、ドライクリーニングの洗浄機1には被沈殿液体としての洗浄剤2を収容するベースタンク3が設けられており、該ベースタンク3にはベースタンク3の底部からわずかに離れて導通管4が設けられている。該導通管4は洗浄剤2を吸引することができるポンプ5と汚染物を除去する濾過部材としてのペーパーフィルタ6とを介して被洗浄物としての衣服7を洗浄する洗浄槽8と接続されている。
(Second Embodiment)
As shown in FIG. 1, a dry-cleaning washing machine 1 is provided with a base tank 3 that contains a cleaning agent 2 as a liquid to be precipitated. A conducting tube 4 is provided. The conducting pipe 4 is connected to a washing tank 8 for washing clothes 7 as an object to be washed through a pump 5 capable of sucking the cleaning agent 2 and a paper filter 6 as a filtering member for removing contaminants. Yes.

前記洗浄剤2としては例えば、パラフィン系炭化水素、ナフテン系炭化水素等の石油溶剤、1,1,1−トリクロロエタン、テトラクロロエチレン(パークロロエチレン)等の塩素系溶剤、フロン113等のフッ素系溶剤、ジメチルシリコーン、トリス(トリメチルシロキシ)シラン等のシリコーン溶剤、リモネン、α−ピネン等の天然溶剤等が挙げられる。これらのうち2以上を混合して用いても良い。   Examples of the cleaning agent 2 include petroleum solvents such as paraffin hydrocarbons and naphthene hydrocarbons, chlorine solvents such as 1,1,1-trichloroethane and tetrachloroethylene (perchloroethylene), fluorine solvents such as Freon 113, Examples thereof include silicone solvents such as dimethyl silicone and tris (trimethylsiloxy) silane, and natural solvents such as limonene and α-pinene. Two or more of these may be mixed and used.

前記洗浄剤2はリモネンを含有することが好ましい。リモネンと他の洗浄剤2を混合する場合におけるリモネンの混合割合は、好ましくは5容量%以上、より好ましくは10容量%以上、最も好ましくは20容量%以上である。この範囲にあるとき、ベースタンク3に沈殿する沈殿物9の腐敗を防止することができるとともに衣服7の洗浄力にも優れる。リモネンの混合割合が5容量%未満の場合には、沈殿物9の腐敗防止効果が十分でなく、衣服7の洗浄力が低下する。   The cleaning agent 2 preferably contains limonene. When mixing limonene and the other cleaning agent 2, the mixing ratio of limonene is preferably 5% by volume or more, more preferably 10% by volume or more, and most preferably 20% by volume or more. When it is in this range, it is possible to prevent the sediment 9 that has settled in the base tank 3 from being spoiled and the clothes 7 are excellent in cleaning power. When the mixing ratio of limonene is less than 5% by volume, the effect of preventing the precipitate 9 from being spoiled is insufficient, and the washing power of the garment 7 is reduced.

衣服7が洗浄槽8に投入されるとポンプ5によってベースタンク3から洗浄剤2が吸引され、導通管4を介して洗浄槽8に洗浄剤2が溜められる。その後、洗浄槽8を回転運動させるとともに洗浄剤2を約30℃に加温することにより、衣服7に付着した皮脂、汗、微生物等の有機物、砂塵等の汚染物を衣服7から剥離させる。汚染された洗浄剤2は再びポンプ5によって吸引され、導通管4を介してペーパーフィルタ6を通過する。該ペーパーフィルタ6によって多くの汚染物は除去されるが、一部は通過し、ベースタンク3中に沈殿物9として沈殿する。また、加温することによって洗浄剤2中にわずかに溶解した水分等もベースタンク3中で冷却されることによって沈殿物9として沈殿する。以上のように、沈殿物9は皮脂、汗、微生物等の有機物、砂塵、水等により構成されている。   When the clothes 7 are put into the cleaning tank 8, the cleaning agent 2 is sucked from the base tank 3 by the pump 5, and the cleaning agent 2 is stored in the cleaning tank 8 through the conducting pipe 4. Thereafter, the cleaning tank 8 is rotated and the cleaning agent 2 is heated to about 30 ° C., so that organic matter such as sebum, sweat, microorganisms, and dirt such as dust adhered to the clothes 7 are peeled off from the clothes 7. The contaminated cleaning agent 2 is again sucked by the pump 5 and passes through the paper filter 6 through the conducting tube 4. Although many contaminants are removed by the paper filter 6, some of the contaminants pass and settle as precipitates 9 in the base tank 3. Further, water or the like slightly dissolved in the cleaning agent 2 by heating is also precipitated in the base tank 3 as a precipitate 9. As described above, the precipitate 9 is composed of sebum, sweat, organic matter such as microorganisms, dust, water, and the like.

次に、ベースタンク3中の洗浄剤2に沈殿物9に浸透する腐敗防止剤としてのフラボノイド及びε−ポリリシンを混合する。フラボノイド及びε−ポリリシンは沈殿物9中に浸透し、微生物の繁殖を抑制することにより、沈殿物9の腐敗を予防する。   Next, the flavonoid and ε-polylysine as anti-corrosion agents that penetrate into the precipitate 9 are mixed into the cleaning agent 2 in the base tank 3. Flavonoids and ε-polylysine permeate into the precipitate 9 to prevent the decay of the precipitate 9 by inhibiting the growth of microorganisms.

前記腐敗防止剤はフラボノイド及びε−ポリリシンに限らず沈殿物に浸透するものであれば任意に使用することができる。例えば、銀、銅、亜鉛等の無機金属及びその化合物をリン酸ジルコニウム、リン酸アルミニウム、リン酸カルシウム、ヒドロキシアパタイト等のリン酸塩に担持させたリン酸塩系、ゼオライト、シリカゲル、ケイ酸カルシウム、粘度鉱物等に担持させたケイ酸塩系、溶解性ガラスに担持させた溶解性ガラス系、活性炭に担持させた活性炭系、塩化ベンザルコニウム、塩化ベンゼトニウム等の第四級アンモニウム系、2−ベンゾイミダゾールカルバミン酸メチル等の含窒素複素環系、ホルマリン等のアルデヒド系、トリクロサン、ビオゾール、チモール等のフェノール系、グルコン酸クロルヘキシジン等のビグアナイド系、2,4,5,6−テトラクロロイソフタロニトリル等のニトリル系、3−ヨード−2−プロピルカルバメート等のハロゲン系、トリクロロカルバニリド等のアニリド系、テトラメチルチウラムジスルフィド等のジスルフィド系、ソジウムN−メチルジオカルバメート等のチオカーバメート系、アルキルジアミノグリシン塩酸塩等のアミノ酸系、オキシン8−ヒドロキシキノリン等の有機金属系、エタノール、プロパノール等のアルコール系、プロピオン酸等のカルボン酸系、p−ヒドロキシ安息香酸エステル、脂肪酸モノグリセリド、ショ糖脂肪酸エステル等のエステル系、酸化チタン等の光触媒系、ヒノキチオール、カラシ抽出物、ユーカリ抽出物、リゾチーム、グリシン、ε−ポリリシン、フラボノイド、キチン、キトサン等の天然系等が挙げられる。これらのうち、衣服の洗浄効果の低下及び衣服の痛みへの影響が少ないことから、天然系腐敗防止剤を用いることが好ましい。   The anti-corruption agent is not limited to flavonoids and ε-polylysine, and any anti-corruption agent can be used as long as it penetrates the precipitate. For example, phosphates based on inorganic metals such as silver, copper and zinc and their compounds supported on phosphates such as zirconium phosphate, aluminum phosphate, calcium phosphate, hydroxyapatite, zeolite, silica gel, calcium silicate, viscosity Silicates supported on minerals, soluble glass systems supported on soluble glass, activated carbon systems supported on activated carbon, quaternary ammonium systems such as benzalkonium chloride and benzethonium chloride, 2-benzimidazole Nitrogen-containing heterocycles such as methyl carbamate, aldehydes such as formalin, phenols such as triclosan, biosol and thymol, biguanides such as chlorhexidine gluconate, 2,4,5,6-tetrachloroisophthalonitrile, etc. Nitrile-based halogens such as 3-iodo-2-propylcarbamate Anilides such as trichlorocarbanilide, disulfides such as tetramethylthiuram disulfide, thiocarbamates such as sodium N-methyldiocarbamate, amino acids such as alkyldiaminoglycine hydrochloride, organics such as oxine 8-hydroxyquinoline Metals, alcohols such as ethanol and propanol, carboxylic acids such as propionic acid, esters such as p-hydroxybenzoic acid esters, fatty acid monoglycerides, sucrose fatty acid esters, photocatalytic systems such as titanium oxide, hinokitiol, mustard extract Eucalyptus extract, lysozyme, glycine, ε-polylysine, flavonoids, chitin, chitosan, and other natural systems. Among these, it is preferable to use a natural anti-corrosion agent because it has a reduced effect on washing clothes and has little effect on clothes pain.

前記腐敗防止剤は洗浄剤2に対しては不溶であることが好ましい。洗浄剤2に対して不溶であることにより、洗浄剤2への溶解による腐敗防止効果の損失が抑制されるとともに、洗浄剤2に比べて少量である沈殿物9にのみ浸透するため、添加量を抑制することができる。前掲の腐敗防止剤の例のうち、ドライクリーニングの洗浄剤2に不溶であるものとしては例えば、ε−ポリリシン、フラボノイド等が挙げられる。   The anti-corruption agent is preferably insoluble in the cleaning agent 2. Since it is insoluble in the cleaning agent 2, the loss of the anti-corrosion effect due to dissolution in the cleaning agent 2 is suppressed, and only the precipitate 9, which is a small amount compared to the cleaning agent 2, penetrates. Can be suppressed. Among the above-mentioned examples of the anti-corruption agent, those that are insoluble in the cleaning agent 2 for dry cleaning include, for example, ε-polylysine and flavonoids.

前記腐敗防止材の添加量は好ましくは0.01〜5容量%、より好ましくは0.1〜3容量%、最も好ましくは0.5〜2容量%である。この範囲にあるとき、沈殿物9の腐敗防止効果に優れる。添加量が0.01容量%未満の場合には、沈殿物9の腐敗防止効果が十分でない。逆に5容量%を超える場合には、洗浄槽8に洗浄剤2を吸引する際に腐敗防止剤を吸引してしまわないよう、導通管4の設置位置をより上部に設ける必要があるため、ベースタンク3中の有効に使用できる容積が減少してしまう。   The addition amount of the anti-corrosion material is preferably 0.01 to 5% by volume, more preferably 0.1 to 3% by volume, and most preferably 0.5 to 2% by volume. When it exists in this range, it is excellent in the spoilage prevention effect of the deposit 9. When the addition amount is less than 0.01% by volume, the effect of preventing the precipitate 9 from being spoiled is not sufficient. Conversely, if it exceeds 5% by volume, it is necessary to provide the conducting tube 4 at the upper position so that the anti-corrosion agent is not sucked when the cleaning agent 2 is sucked into the cleaning tank 8. The volume that can be effectively used in the base tank 3 is reduced.

前記フラボノイドとしては例えば、フラバン、アフゼレキン、カテキン、カテコール、ガロカテキン、フラバノン、サクラネチン、サクラニン、フラボン、フラボノール、ケンペロール、ケンペリン、クェルセチン、クェルシトリン、ミリセチン、ミリシトリン、フラビリウム、ペラルゴニジン、ペラルゴニン、シアニジン、シアニン、デルフィニジン、デルフィン、ペオニジン、ペオニン、イソフラバン、イソフラボン、ダイゼイン、ダイジン、ナリンジン等が挙げられる。これらのうち2以上を混合して用いても良い。   Examples of the flavonoid include flavan, afzelechin, catechin, catechol, gallocatechin, flavanone, sakuranetin, sakuranin, flavone, flavonol, kaempferol, kaemperin, quercetin, quercitrin, myricetin, myricitrin, flavilium, pelargonidin, pelargocyanin, delanidin, , Delphine, peonidin, peonin, isoflavan, isoflavone, daidzein, daidzin, naringin and the like. Two or more of these may be mixed and used.

前記フラボノイドは蜜柑、レモン、オレンジ、グレープフルーツ等の柑橘系植物の種子に多く含まれるナリンジンを用いることが好ましい。ナリンジンは微生物の酵素の働きを阻害し、細胞膜を変質させることによって、微生物の増殖を抑制する。ナリンジンを用いることにより、洗浄剤2に不溶で、汗、水等の水溶性沈殿物9に浸透するため、少量の添加で微生物の繁殖を抑制することができる。   As the flavonoid, it is preferable to use naringin contained in a large amount in the seeds of citrus plants such as mandarin orange, lemon, orange and grapefruit. Naringin inhibits the growth of microorganisms by inhibiting the action of microbial enzymes and altering cell membranes. By using naringin, since it is insoluble in the cleaning agent 2 and penetrates into the water-soluble precipitate 9 such as sweat and water, the growth of microorganisms can be suppressed with a small amount of addition.

前記ε−ポリリシンは放線菌(Streptomyces albulus)の培養液より、イオン交換樹脂を用いて吸着、分離して得られたものである。ε−ポリリシンは微生物のDNAに化学結合し、DNAの複製を阻害することにより、微生物の増殖を抑制する。ε−ポリリシンを用いることにより、洗浄剤2に不溶で、汗、水等の水溶性沈殿物9に浸透するため、少量の添加で微生物の繁殖を抑制することができる。   The ε-polylysine is obtained by adsorption and separation from a culture solution of Streptomyces albulus using an ion exchange resin. ε-polylysine chemically binds to microbial DNA and inhibits DNA replication, thereby inhibiting microbial growth. By using ε-polylysine, since it is insoluble in the cleaning agent 2 and permeates into the water-soluble precipitate 9 such as sweat and water, the growth of microorganisms can be suppressed by adding a small amount.

前記フラボノイドとε−ポリリシンとは併用して用いることが好ましい。フラボノイドとε−ポリリシンとは微生物の増殖抑制に対する作用機構が異なるため、フラボノイドとε−ポリリシンとを単独で用いたときに比べ、微生物の増殖をより抑制することができる。   The flavonoid and ε-polylysine are preferably used in combination. Since flavonoids and ε-polylysine have different action mechanisms for inhibiting the growth of microorganisms, the growth of microorganisms can be further suppressed as compared to when flavonoids and ε-polylysine are used alone.

前記ε−ポリリシンを用いる場合には、酸性物質を併用することが好ましい。酸性物質を用いることにより、pHを低下させることができ、弱酸性条件で有効に働くε−ポリリシンの腐敗防止効果を高めることができる。前記酸性物質としては例えば、クエン酸、リンゴ酸、酢酸等の有機酸、塩酸、硫酸等の無機酸等が挙げられる。これらのうち、衣服の痛みが少ないことから有機酸を用いることが好ましい。   When using the ε-polylysine, it is preferable to use an acidic substance in combination. By using an acidic substance, the pH can be lowered, and the anti-corrosion effect of ε-polylysine that works effectively under weakly acidic conditions can be enhanced. Examples of the acidic substance include organic acids such as citric acid, malic acid and acetic acid, and inorganic acids such as hydrochloric acid and sulfuric acid. Among these, it is preferable to use an organic acid because there is little pain in clothes.

前記フラボノイド又はε−ポリリシンを用いる場合にはリモネンを併用することが好ましい。リモネンはフラボノイド又はε−ポリリシンを溶解しないため、フラボノイド又はε−ポリリシンの腐敗防止効果を低下させることが少ない。   When the flavonoid or ε-polylysine is used, limonene is preferably used in combination. Since limonene does not dissolve flavonoids or ε-polylysine, it hardly reduces the anti-corrosion effect of flavonoids or ε-polylysine.

以上のように構成された腐敗防止方法を用いることにより、ドライクリーニング洗浄機のベースタンク内部における沈殿物中の微生物の繁殖を抑制し、該沈殿物の腐敗を予防することができる。   By using the anti-corruption method configured as described above, it is possible to suppress the growth of microorganisms in the precipitate in the base tank of the dry cleaning washer and prevent the precipitate from being spoiled.

(第3実施形態)
収容容器としての浄水タンクには、被沈殿液体としての水が収容されており、該水には沈殿物としての油脂、微生物等の有機物、砂塵等が沈殿している。沈殿物に浸透する腐敗防止剤としてのキトサンを水に添加する。その作用機構はキトサンの持つアミノ基が微生物の細胞膜と結合し、生育阻害を引き起こすことによる。
(Third embodiment)
Water as a liquid to be precipitated is stored in a water purification tank as a storage container, in which oil and fat, organic substances such as microorganisms, sand dust, and the like are precipitated. Chitosan as an anti-septic agent that penetrates the sediment is added to the water. The mechanism of action is that the amino group of chitosan binds to the microbial cell membrane and causes growth inhibition.

前記水が飲用である場合にはキトサンを用いることが好ましい。キトサンを添加することにより、水の腐敗を防止することができるとともに、味の変化が少ない。   When the water is drinkable, it is preferable to use chitosan. By adding chitosan, water can be prevented from decaying and there is little change in taste.

以上のように構成された腐敗防止方法を用いることにより、浄水タンクにおける沈殿物中の微生物の繁殖を抑制し、該沈殿物の腐敗を予防することができる。   By using the anti-corruption method configured as described above, it is possible to suppress the growth of microorganisms in the sediment in the water purification tank and to prevent the sediment from decaying.

(第4実施形態)
機械の洗浄槽には、被沈殿液体としてのキシレンが収容されており、機械にはグリース等の油脂、微生物等の有機物、砂塵、水等が付着している。前記洗浄剤を機械に噴霧することにより、付着物が剥離し、該付着物は洗浄剤中に溶解又は沈殿する。
(Fourth embodiment)
The washing tank of the machine contains xylene as a liquid to be precipitated, and the machine is attached with fats and oils such as grease, organic matter such as microorganisms, sand dust, water and the like. By spraying the cleaning agent on the machine, the deposit is peeled off, and the deposit is dissolved or precipitated in the cleaning agent.

前記洗浄剤に腐敗防止剤としての塩化ベンザルコニウムを添加する。塩化ベンザルコニウムは分子中のカチオン部位が、微生物の細胞膜のアニオン部位に吸着疎水性相互作用によって細胞膜を物理的に破壊する。その結果、微生物の繁殖を抑え、沈殿物の腐敗を予防することができる。   Benzalkonium chloride as an anti-corruption agent is added to the cleaning agent. In benzalkonium chloride, the cation site in the molecule physically breaks the cell membrane by adsorbing hydrophobic interaction with the anion site of the microbial cell membrane. As a result, the growth of microorganisms can be suppressed and the decay of the precipitate can be prevented.

前記洗浄剤はリモネンを含有することが好ましい。リモネンを含有することにより、沈殿物の腐敗を防止効果が増すとともに機械の洗浄力にも優れる。   The cleaning agent preferably contains limonene. By containing limonene, the effect of preventing the decay of the precipitate is increased and the cleaning power of the machine is also excellent.

以上のように構成された腐敗防止方法を用いることにより、機械の洗浄槽における沈殿物中の微生物の繁殖を抑制し、該沈殿物の腐敗を予防することができる。   By using the anti-corruption method configured as described above, it is possible to suppress the growth of microorganisms in the sediment in the washing tank of the machine and to prevent the decay of the sediment.

(第5実施形態)
プリント基板の洗浄槽には、被沈殿液体としての洗浄剤が収容されており、プリント基板には付着物としてのロジン等の油脂、ハンダフラックス屑、プラスチック屑、水、微生物等が付着している。
(Fifth embodiment)
The cleaning tank for the printed circuit board contains a cleaning agent as a liquid to be precipitated, and the printed circuit board is attached with oil and fat such as rosin, solder flux waste, plastic waste, water, microorganisms, etc. .

溶剤系洗浄剤の組成例:イソプロピルアルコール100重量部、リモネン100重量部。
水系洗浄剤の組成例:水100重量部、界面活性剤3重量部、リモネン5重量部。
Composition example of solvent-based cleaning agent: 100 parts by weight of isopropyl alcohol and 100 parts by weight of limonene.
Composition example of aqueous detergent: 100 parts by weight of water, 3 parts by weight of surfactant, 5 parts by weight of limonene.

前記洗浄剤をプリント基板に噴霧することにより、付着物が剥離し、該付着物は洗浄剤中に溶解又は沈殿する。洗浄剤が溶剤系の場合には、沈殿物としてハンダフラックス屑、プラスチック屑、水、微生物等が沈殿し、洗浄剤が水系の場合には、沈殿物としてロジン等の油脂、ハンダフラックス屑、プラスチック屑、微生物等が沈殿する。前記洗浄剤に腐敗防止剤としてのミリスチン酸エステルを添加することにより、微生物の繁殖を抑え、沈殿物の腐敗を予防することができる。   By spraying the cleaning agent on the printed circuit board, the deposit is peeled off, and the deposit is dissolved or precipitated in the cleaning agent. When the cleaning agent is solvent-based, precipitates such as solder flux waste, plastic waste, water, and microorganisms are precipitated. When the cleaning agent is water-based, oil such as rosin, solder flux waste, plastic Debris, microorganisms, etc. are precipitated. By adding myristic acid ester as an anti-corrosion agent to the cleaning agent, it is possible to suppress the growth of microorganisms and prevent the decay of the precipitate.

洗浄剤の組成中、界面活性剤を使用する場合には、エステル系の腐敗防止剤を使用することが好ましい。エステル系の腐敗防止剤は非イオン性界面活性剤としても作用するため、沈殿物の腐敗を防止すると共に、界面活性剤の使用量を抑制することができる。エステル系の腐敗防止剤としては例えば、ミリスチン酸エステル、パルミチン酸エステル等が挙げられる。   When using a surfactant in the composition of the cleaning agent, it is preferable to use an ester-based antiseptic. Since the ester-based anti-corrosion agent also acts as a nonionic surfactant, it is possible to prevent the precipitation of the precipitate and to suppress the amount of the surfactant used. Examples of the ester-based anti-corrosion agent include myristic acid ester and palmitic acid ester.

前記洗浄剤はリモネンを含有することが好ましい。リモネンを含有することにより、沈殿物の腐敗を防止効果が増すとともにプリント基板の洗浄力にも優れる。   The cleaning agent preferably contains limonene. By containing limonene, the effect of preventing the decay of the precipitate is increased and the cleaning power of the printed circuit board is excellent.

以上のように構成された腐敗防止方法を用いることにより、プリント基板の洗浄槽における沈殿物中の微生物の繁殖を抑制し、該沈殿物の腐敗を予防することができる。
(作成者:加藤 圭一)
By using the anti-corruption method configured as described above, it is possible to suppress the growth of microorganisms in the precipitate in the washing tank of the printed circuit board and prevent the precipitate from being spoiled.
(Author: Shinichi Kato)

ドライクリーニング洗浄機を示した模式図である。It is the schematic diagram which showed the dry cleaning washing machine.

符号の説明Explanation of symbols

2 被沈殿液体としての洗浄剤
9 沈殿物
2 Cleaning agent as liquid to be precipitated 9 Precipitate

Claims (5)

貯留ないし循環する液体中に有機物を含有する沈殿物が発生し、該沈殿物と被沈殿液体とが互いに不溶である場合において、前記被沈殿液体中に、沈殿物に浸透する腐敗防止剤を混合することを特徴とする沈殿物の腐敗予防方法。   In the case where a precipitate containing an organic substance is generated in the liquid that is stored or circulated, and the precipitate and the liquid to be precipitated are insoluble in each other, an antiseptic that penetrates the precipitate is mixed in the liquid to be precipitated. A method for preventing the decay of precipitates. 前記腐敗防止剤がフラボノイドもしくはε−ポリリシンのいずれか又は両者を含有することを特徴とする請求項1に記載の沈殿物の腐敗予防方法。   The method according to claim 1, wherein the anti-corruption agent contains either or both of flavonoids and ε-polylysine. 前記被沈殿液体がリモネンを含有することを特徴とする請求項1又は請求項2に記載の沈殿物の腐敗予防方法。   The method according to claim 1 or 2, wherein the liquid to be precipitated contains limonene. 貯留ないし循環する液体中に有機物を含有する沈殿物が発生し、該沈殿物と被沈殿液体とが互いに不溶である場合において、前記被沈殿液体がフラボノイドもしくはε−ポリリシンのいずれか又は両者を含有することを特徴とする腐敗予防被沈殿液体。   In the case where a precipitate containing an organic substance is generated in the liquid that is stored or circulated, and the precipitate and the liquid to be precipitated are insoluble in each other, the liquid to be precipitated contains either or both of flavonoids and ε-polylysine. An anti-sedimentation precipitating liquid characterized by さらにリモネンを含有することを特徴とする請求項4に記載の腐敗予防被沈殿液体。
Furthermore, limonene is contained, The rot preventive precipitating liquid of Claim 4 characterized by the above-mentioned.
JP2003394949A 2003-11-26 2003-11-26 Method for preventing rotting of precipitate and rotting proof liquid to be precipitated Pending JP2005152784A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578146A (en) * 2018-10-18 2020-04-22 Citrox Biosciences Ltd Bioflavonoid compositions and their use for water purification and food preservation
US11980185B2 (en) 2018-10-18 2024-05-14 Citrox Biosciences Limited Bioflavonoid compositions and their use for water purification and food preservation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2578146A (en) * 2018-10-18 2020-04-22 Citrox Biosciences Ltd Bioflavonoid compositions and their use for water purification and food preservation
WO2020079449A1 (en) * 2018-10-18 2020-04-23 Citrox Biosciences Limited Bioflavonoid compositions and their use for water purification and food preservation
GB2592330A (en) * 2018-10-18 2021-08-25 Citrox Biosciences Ltd Bioflavonoid compositions and their use for water purification and food preservation
US20210386064A1 (en) * 2018-10-18 2021-12-16 Citrox Biosciences Limited Bioflavonoid Compositions and Their Use for Water Purification and Food Preservation
GB2592330B (en) * 2018-10-18 2022-12-21 Citrox Biosciences Ltd Bioflavonoid compositions and their use for water purification and food preservation
US11980185B2 (en) 2018-10-18 2024-05-14 Citrox Biosciences Limited Bioflavonoid compositions and their use for water purification and food preservation

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