JP2004277550A - Oil and fat-containing waste fluid treatment agent and oil and fat-containing waste fluid treatment method - Google Patents
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Abstract
Description
【０００１】
【発明の属する技術分野】
本発明は、油脂含有廃液処理剤及び油脂含有廃液処理方法に関する。
【０００２】
【従来の技術】
外食産業、旅館、ホテル等の厨房や、魚市場、食肉処理場等から排出される油脂含有廃液は、各種食材等に起因する廃油脂と廃水とが混合した廃液である。
【０００３】
従来、上記油脂含有廃液は、そのまま排水すると、廃油脂が排水配管内に固着して詰まるため、排出される配管の途中に、グリーストラップを設けて、ここで廃油脂を浮上させ、これをすくい取って廃棄する必要があった。この場合に、トラップ内で廃油脂が集積し固形化して詰まることを防ぐため、この作業をかなり頻繁に行う必要があったが、かかる固形化した廃油脂の除去作業は極めて煩雑であり、又臭気等の作業環境が劣悪であり、大きな問題となっていた。
【０００４】
そのため、上記除去作業を軽減し、又その作業環境を改善することが要望されていた。
【０００５】
【発明が解決しようとする課題】
本発明の目的は、油脂含有廃液の処理における、廃油脂の除去作業を大幅に軽減でき又その作業環境を顕著に改善できる油脂含有廃液処理剤及び油脂含有廃液処理方法を提供することにある。
【０００６】
【課題を解決するための手段】
本発明者は、上記目的を達成すべく鋭意研究した結果、特定の界面活性剤と水との混合物である処理剤によれば、廃油脂が集積し固形化することを有効に抑制でき、廃油脂除去作業を大幅に軽減でき又その作業環境特に臭気等を顕著に改善できることを見出し、これに基づき本発明を完成するに至った。
【０００７】
即ち、本発明は、以下の油脂含有廃液処理剤及び油脂含有廃液処理方法に係るものである。
【０００８】
１．ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩、脂肪酸ジエタノールアミド、ポリオキシエチレンアルキルエーテル及び水を含有する油脂含有廃液処理剤。
【０００９】
２．ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩１００重量部に対して、脂肪酸ジエタノールアミドを１０〜１，０００重量部及びポリオキシエチレンアルキルエーテルを１００〜１，０００重量部の割合で含有している上記項１に記載の油脂含有廃液処理剤。
【００１０】
３．脂肪酸ジエタノールアミドが、オレイン酸ジエタノールアミドである上記項１に記載の油脂含有廃液処理剤。
【００１１】
４．油脂含有廃液が、調理廃液である上記項１に記載の油脂含有廃液処理剤。
【００１２】
５．上記項１に記載の廃液処理剤を、油脂含有廃液に添加することを特徴とする油脂含有廃液処理方法。
【００１３】
６．油脂含有廃液が、調理廃液である上記項５に記載の油脂含有廃液処理方法。
【００１４】
【発明の実施の形態】
油脂含有廃液処理剤
本発明の油脂含有廃液処理剤は、ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩、脂肪酸ジエタノールアミド及びポリオキシエチレンアルキルエーテルの三種の界面活性剤と、水とを、必須成分として含有するものである。
【００１５】
これらの界面活性剤の内、ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩は、アニオン系の界面活性剤であり、通常、直鎖又は分岐鎖のアルキル基の炭素数が１０〜１６程度であり、オキシエチレン基の重合度が２〜１２程度であるものを、好適に使用することができる。ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩は、一種単独で又は二種以上を混合して、用いることができる。
【００１６】
上記界面活性剤の内、脂肪酸ジエタノールアミドは、ノニオン系の界面活性剤であり、炭素数が１０〜４０程度の飽和又は不飽和脂肪酸のジエタノールアミドを、好適に使用することができる。具体例としては、オレイン酸ジエタノールアミド、リノール酸ジエタノールアミド、リノレン酸ジエタノールアミド等を挙げることができる。脂肪酸ジエタノールアミドは、一種単独で又は二種以上を混合して、用いることができる。
【００１７】
上記界面活性剤の内、ポリオキシエチレンアルキルエーテルは、ノニオン系の界面活性剤であり、通常、直鎖又は分岐鎖のアルキル基の炭素数が１０〜１６程度であり、オキシエチレン基の重合度が２〜１２程度であるものを、好適に使用することができる。ポリオキシエチレンアルキルエーテルは、一種単独で又は二種以上を混合して、用いることができる。
【００１８】
本発明の油脂含有廃液処理剤において、上記三種の界面活性剤の含有割合は、通常、ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩１００重量部に対して、脂肪酸ジエタノールアミドを１０〜１，０００重量部程度及びポリオキシエチレンアルキルエーテルを１００〜１，０００重量部程度の割合とするのが、廃油脂が集積し固形化することを有効に抑制する観点から、好ましい。また、ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩１００重量部に対して、脂肪酸ジエタノールアミドを１００〜４００重量部程度及びポリオキシエチレンアルキルエーテルを１５０〜６００重量部程度の割合とするのが、より好ましい。
【００１９】
水は、上記三種の界面活性剤混合物に対して、任意の割合で混合することができる。通常は、界面活性剤混合物の濃度が、１０〜５０重量％程度となるようにするのが、適当である。また、保存時には、更に濃度を濃くしておき、使用時に適宜水希釈して使用してもよい。
【００２０】
また、本発明の油脂含有廃液処理剤には、任意成分として、防腐剤等を適宜添加しても良い。
【００２１】
油脂含有廃液処理方法
本発明の油脂含有廃液処理方法は、上記本発明の油脂含有廃液処理剤を、油脂含有廃液に添加することを特徴とするものである。
【００２２】
本発明処理方法の対象となる油脂含有廃液としては、廃油脂と廃水とを含有する廃液である限り、特に限定されないが、例えば、外食産業、旅館、ホテル等の厨房や、魚市場、食肉処理場等から排出される油脂含有廃液を挙げることができる。特に、各種食材等に起因する廃油脂と廃水とが混合した調理廃液の処理を、好適に行うことができる。更に、自動車整備工場等から排出される油脂含有廃液の処理も行うことができる。
【００２３】
廃液処理の実施方法としては、通常、処理対象の油脂含有廃液に、本発明廃液処理剤を添加し、必要に応じて、適宜攪拌するのみでよい。本発明廃液処理剤の使用量は、特に限定されず、処理対象の油脂含有廃液の種類に応じて、適宜調整すれば良い。
【００２４】
例えば、上記油脂含有廃液が排出される配管の途中に、グリーストラップを設けた場合には、このトラップ内に、本発明処理剤を適宜添加し、攪拌棒等により、軽く攪拌しておけば良い。これにより、トラップ内で廃油脂が集積し固形化することが有効に抑制され、廃油脂分と廃水分とが実質的に分離し、廃油脂固形分が詰まることを防止できる。
【００２５】
本発明の処理方法により、油脂含有廃液を処理する場合には、例えばグリーストラップにおいて、廃油脂分が集積し、べとついて、固形化するのを有効に抑制でき、油脂分と水分とを効率良く分離せしめ、水分を容易に排水することができる。また、油脂分については、その容積を顕著に減少させることができ、その除去作業の回数を大幅に減少でき、又臭気が顕著に改善される。ここで、除去作業により生じた廃油脂分は、従来に比して、その量が大幅に減少しており、乾燥等により、適宜水分を除去後、焼却等により容易に処分することができる。
【００２６】
本発明処理方法により、上記の如く、廃油脂含有廃液中における廃油脂が集積し固形化することを有効に抑制できる理由は、本発明処理剤の次のような作用機作によるものと、推定される。
【００２７】
図１に、本発明処理剤の作用機作を模式的に示す図を示す。図１中、１は廃油脂の油脂分子を、２は本発明処理剤中の脂肪酸ジエタノールアミド分子を、３は油脂分子と脂肪酸ジエタノールアミド分子との複合体を、４は本発明処理剤中のポリオキシエチレンアルキルエーテル分子を、５はポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩分子を、６は３の複合体表面を本発明処理剤中のポリオキシエチレンアルキルエーテル分子とポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩分子とが覆っている状態の集合物を、それぞれ示すものである。
【００２８】
図１の（イ）は、処理対象の油脂含有廃液において、廃水中の廃油脂分子１の状態を示したものである。廃液は、通常、その中の廃油脂が集積するにつれて、ベトツキを増し、流れ難い状態となっていく。ここへ、本発明処理剤を加えると、図１の（ロ）に示すように、その中の脂肪酸ジエタノールアミド分子２が油脂とほぼ同様の疎水性の脂肪酸残基を有しているために、油脂分子１と複合体３を形成して、油脂分子を凝集させるものと考えられる。
【００２９】
次に、図１の（ハ）に示される様に、上記複合体３の表面に、本発明処理剤中のポリオキシエチレンアルキルエーテル分子４及びポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩分子５が吸着され、４及び５のそれぞれに存在する疎水性のアルキル基部分が内側に配向し、半月形で示した親水性のポリオキシエチレン部分が外側に配向して、該表面を覆った状態の集合物６となると考えられる。この吸着された５のポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩分子が有する−で示したアニオン基が、集合物６の外側に配向することにより、６の集合物同士は互いに反発することになり、油脂分が集積し固形化することを有効に抑制でき、油脂分と水分とが分離し、又油脂分のベトツキが解消されるものと考えられる。
【００３０】
かくして、本発明処理方法により、油脂含有廃液を、好適に処理することができる。
【００３１】
【実施例】
以下、実施例を挙げて、本発明をより一層具体的に説明する。
【００３２】
実施例１
ポリオキシエチレンドデシルエーテル硫酸エステルナトリウム塩１００重量部に対して、オレイン酸ジエタノールアミドを２００重量部及びポリオキシエチレンテトラデシルエーテルを１８０重量部の割合で、混合して、界面活性剤混合物を得た。この界面活性剤混合物に、水を加えて、界面活性剤混合物の濃度３４重量％の水溶液として、本発明廃液処理剤を調製した。
【００３３】
ハンバーガーショップの油脂含有調理廃液が排出される配管の途中に設けられたグリーストラップ内から取り出した固形化した廃油脂３００ｇをビーカーに入れ、これに上記本発明処理剤１０ｍｌを水で１０倍希釈して１００ｍｌとしたものを、加えて攪拌して、処理した。このときの処理前の廃油脂のデジタル写真を図２に、処理後の廃油脂の状態のデジタル写真を図３に、それぞれ示す。図２及び３より、本発明処理剤により、廃油脂を、廃油脂分と廃水分とに好適に分離できることが、明らかである。
【００３４】
実施例２
実施例１で調製した本発明廃液処理剤を、実際の油脂含有調理廃液の処理に供した。
【００３５】
ハンバーガーショップの油脂含有調理廃液が排出される配管の途中に設けられた、容量１００Ｌのグリーストラップ内に、上記本発明処理剤を３００ｍｌ添加し、攪拌棒により、軽く攪拌した。これにより、トラップ内で廃油脂が集積し固形化することなく、廃油脂分と廃水分とが分離した。また、表面に浮上した油脂分の容積が、処理前に比して、顕著に減少した。また、油脂分の除去作業の回数は、処理前が一週間に７回必要であったものが、処理後は一週間に１回で十分であり、大幅に減少でき、又作業時の臭気が顕著に改善された。
【００３６】
【発明の効果】
本発明の油脂含有廃液処理剤及び油脂含有廃液処理方法によれば、該廃液の廃油脂が集積し固形化して流れ難くなることを有効に抑制でき、廃油脂分と廃水分とを分離でき、廃油脂除去作業を大幅に軽減でき、又その作業環境特に臭気等を顕著に改善できる。
【００３７】
また、本発明の油脂含有廃液処理剤は、それ自体引火等の危険性、人体への有害性が無く、安全に使用することができる。
【図面の簡単な説明】
【図１】図１は、本発明処理剤の作用機作を模式的に示すものである。
【図２】図２は、実施例１における廃液処理前の固形化した廃油脂のデジタル写真を示す。
【図３】図３は、実施例１における本発明処理剤による処理後の廃油脂の状態のデジタル写真を示す。
【符号の説明】
１ 廃油脂の油脂分子
２ 脂肪酸ジエタノールアミド分子
３ 油脂分子と脂肪酸ジエタノールアミド分子との複合体
４ ポリオキシエチレンアルキルエーテル分子
５ ポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩分子
６ ３の複合体表面をポリオキシエチレンアルキルエーテル分子とポリオキシエチレンアルキルエーテル硫酸エステルナトリウム塩分子とが覆っている状態の集合物[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an oil / fat-containing waste liquid treating agent and a method for treating an oil / fat-containing waste liquid.
[0002]
[Prior art]
The oil-containing waste liquid discharged from kitchens such as the restaurant industry, inns, hotels, fish markets, slaughterhouses and the like is a waste liquid in which waste oil and fat and waste water resulting from various food materials are mixed.
[0003]
Conventionally, when the oil-containing waste liquid is drained as it is, the waste oil adheres to the drainage pipe and becomes clogged.Therefore, a grease strap is provided in the middle of the pipe to be discharged, and the waste oil and fat is floated up here and scooped. It had to be removed and discarded. In this case, in order to prevent the waste oils and fats from accumulating in the trap and solidifying and clogging, it was necessary to perform this operation quite frequently, but the operation of removing such solidified waste oils and fats was extremely complicated, and The working environment, such as odor, was inferior and was a major problem.
[0004]
Therefore, it has been demanded to reduce the above-mentioned removal work and to improve the work environment.
[0005]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION An object of the present invention is to provide an oil / fat-containing waste liquid treating agent and a method for treating an oil / fat-containing waste liquid, which can greatly reduce the waste oil / fat removal operation in the treatment of the oil / fat-containing waste liquid and can remarkably improve the working environment.
[0006]
[Means for Solving the Problems]
The present inventor has conducted intensive studies to achieve the above object, and as a result, according to a treating agent that is a mixture of a specific surfactant and water, waste fats and oils can be effectively prevented from accumulating and solidifying, It has been found that the work of removing oils and fats can be greatly reduced and that the working environment, especially the odor, etc. can be remarkably improved, and based on this, the present invention has been completed.
[0007]
That is, the present invention relates to the following oil / fat-containing waste liquid treating agent and oil / fat-containing waste liquid treating method.
[0008]
1. Oil / fat-containing waste liquid treating agent containing polyoxyethylene alkyl ether sulfate sodium salt, fatty acid diethanolamide, polyoxyethylene alkyl ether and water.
[0009]
2. The above-mentioned item containing the fatty acid diethanolamide in a proportion of 10 to 1,000 parts by weight and the polyoxyethylene alkyl ether in a proportion of 100 to 1,000 parts by weight based on 100 parts by weight of the sodium salt of the polyoxyethylene alkyl ether sulfate. 2. The oil / fat-containing waste liquid treating agent according to 1.
[0010]
3.
[0011]
4.
[0012]
5.
[0013]
6.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Oil-containing waste liquid treating agentThe oil-containing waste liquid treating agent of the present invention comprises three kinds of surfactants of polyoxyethylene alkyl ether sulfate sodium salt, fatty acid diethanolamide and polyoxyethylene alkyl ether, and water, It is contained as an essential component.
[0015]
Of these surfactants, polyoxyethylene alkyl ether sulfate sodium salt is an anionic surfactant, and usually has a linear or branched alkyl group having about 10 to 16 carbon atoms, Those having a polymerization degree of an ethylene group of about 2 to 12 can be suitably used. Polyoxyethylene alkyl ether sulfate sodium salt can be used alone or in combination of two or more.
[0016]
Among the above surfactants, fatty acid diethanolamide is a nonionic surfactant, and diethanolamide of a saturated or unsaturated fatty acid having about 10 to 40 carbon atoms can be suitably used. Specific examples include oleic acid diethanolamide, linoleic acid diethanolamide, linolenic acid diethanolamide, and the like. Fatty acid diethanolamides can be used alone or in combination of two or more.
[0017]
Among the above surfactants, polyoxyethylene alkyl ether is a nonionic surfactant, and usually has a linear or branched alkyl group having about 10 to 16 carbon atoms, and a degree of polymerization of the oxyethylene group. About 2 to about 12 can be suitably used. Polyoxyethylene alkyl ethers can be used alone or as a mixture of two or more.
[0018]
In the oil / fat-containing waste liquid treating agent of the present invention, the content of the three surfactants is usually 10 to 1,000 parts by weight of fatty acid diethanolamide with respect to 100 parts by weight of polyoxyethylene alkyl ether sulfate sodium salt. The amount and the ratio of the polyoxyethylene alkyl ether to about 100 to 1,000 parts by weight are preferable from the viewpoint of effectively suppressing accumulation and solidification of waste fats and oils. Further, it is more preferable that the fatty acid diethanolamide is in a proportion of about 100 to 400 parts by weight and the polyoxyethylene alkyl ether is in a proportion of about 150 to 600 parts by weight, based on 100 parts by weight of the sodium salt of the polyoxyethylene alkyl ether sulfate. .
[0019]
Water can be mixed with the above three surfactant mixtures at an arbitrary ratio. Usually, it is appropriate that the concentration of the surfactant mixture is about 10 to 50% by weight. Further, during storage, the concentration may be further increased, and the product may be appropriately diluted with water before use.
[0020]
Further, a preservative or the like may be appropriately added as an optional component to the oil / fat-containing waste liquid treating agent of the present invention.
[0021]
Method for treating fat-containing waste liquid The method for treating fat-containing waste liquid of the present invention is characterized by adding the above-mentioned agent for treating fat-containing waste liquid of the present invention to a fat-containing waste liquid.
[0022]
The fat / oil-containing waste liquid to be treated by the present invention is not particularly limited as long as it is a waste liquid containing waste fat / oil and wastewater, and is, for example, a catering industry, a ryokan, a kitchen of a hotel, a fish market, a meat processing, An oil-and-fat-containing waste liquid discharged from a place or the like can be given. In particular, it is possible to suitably perform processing of cooking waste liquid in which waste oil and fat and waste water resulting from various food materials are mixed. Further, the treatment of waste oil-containing waste liquid discharged from an automobile repair shop or the like can be performed.
[0023]
As a method for performing the waste liquid treatment, usually, it is only necessary to add the waste liquid treating agent of the present invention to the oil / fat-containing waste liquid to be treated and, if necessary, to stir appropriately. The amount of the waste liquid treating agent of the present invention is not particularly limited, and may be appropriately adjusted according to the type of the fat-containing waste liquid to be treated.
[0024]
For example, when a grease trap is provided in the middle of a pipe through which the oil-containing waste liquid is discharged, the treating agent of the present invention may be appropriately added to the trap, and lightly stirred with a stirring rod or the like. . This effectively suppresses the accumulation and solidification of waste fats and oils in the trap, thereby substantially separating the waste fats and oils from the waste water and preventing the waste fats and oils from being clogged.
[0025]
When treating a fat-containing waste liquid by the treatment method of the present invention, for example, in a grease trap, waste fat and oil can accumulate and become sticky, which can be effectively suppressed from being solidified, and the oil and fat and water can be efficiently removed. It can be separated well and water can be easily drained. In addition, the volume of fats and oils can be significantly reduced, the number of removal operations can be significantly reduced, and the odor can be significantly improved. Here, the amount of the waste oils and fats generated by the removal operation is greatly reduced as compared with the conventional case, and the waste oils and fats can be easily disposed of by incineration or the like after appropriately removing water by drying or the like.
[0026]
According to the treatment method of the present invention, as described above, the reason why the waste oil and fat in the waste oil and fat containing waste liquid can be effectively suppressed from being accumulated and solidified is presumed to be due to the following mechanism of action of the treatment agent of the present invention. Is done.
[0027]
FIG. 1 is a diagram schematically showing the mechanism of action of the treatment agent of the present invention. In FIG. 1, 1 is a fat or oil molecule of waste fat or oil, 2 is a fatty acid diethanolamide molecule in the treating agent of the present invention, 3 is a complex of fat or oil molecule and fatty acid diethanolamide molecule, and 4 is a compound in the treating agent of the present invention. The polyoxyethylene alkyl ether molecule, 5 is a polyoxyethylene alkyl ether sulfate sodium salt molecule, 6 is the complex surface of 3 and the polyoxyethylene alkyl ether molecule and polyoxyethylene alkyl ether sulfate in the treating agent of the present invention. The aggregates in a state where they are covered with sodium salt molecules are respectively shown.
[0028]
FIG. 1A shows the state of the waste oil molecules 1 in the waste water in the waste oil-containing waste liquid to be treated. The waste liquid usually becomes sticky and hardly flows as the waste oil and fat therein accumulates. When the treating agent of the present invention is added thereto, as shown in FIG. 1 (b), the fatty
[0029]
Next, as shown in FIG. 1C, the polyoxyethylene
[0030]
Thus, according to the treatment method of the present invention, the waste oil-containing waste liquid can be suitably treated.
[0031]
【Example】
Hereinafter, the present invention will be described more specifically with reference to examples.
[0032]
Example 1
To 100 parts by weight of polyoxyethylene dodecyl ether sulfate sodium salt, 200 parts by weight of oleic acid diethanolamide and 180 parts by weight of polyoxyethylene tetradecyl ether were mixed to obtain a surfactant mixture. . Water was added to this surfactant mixture to prepare a waste liquid treating agent of the present invention as an aqueous solution having a concentration of 34% by weight of the surfactant mixture.
[0033]
300 g of solidified waste oil removed from the grease trap provided in the middle of the piping from which the oil-containing cooking waste liquid of the hamburger shop is discharged is put into a beaker, and 10 ml of the treatment agent of the present invention is diluted 10-fold with water. The mixture was adjusted to 100 ml with stirring and treated. FIG. 2 shows a digital photograph of the waste oil before the treatment, and FIG. 3 shows a digital photograph of the waste oil after the treatment. It is clear from FIGS. 2 and 3 that the treatment agent of the present invention can suitably separate waste fat and oil into waste fat and oil and waste water.
[0034]
Example 2
The waste liquid treating agent of the present invention prepared in Example 1 was used for treating an actual oil-and-fat-containing cooking waste liquid.
[0035]
300 ml of the above-mentioned treating agent of the present invention was added to a 100 L capacity grease trap provided in the middle of a hamburger shop in a pipe through which oil-containing cooking waste liquid was discharged, and the mixture was gently stirred with a stirring rod. As a result, the waste oil and fat were separated from the waste water without the waste oil and fat being accumulated and solidified in the trap. In addition, the volume of the oil and fat floating on the surface was significantly reduced as compared to before the treatment. In addition, the number of times of the work of removing oil and fat was seven times a week before the treatment, but once a week after the treatment is sufficient, which can be greatly reduced, and the odor during the work is reduced. Significant improvement.
[0036]
【The invention's effect】
According to the fat and oil-containing waste liquid treating agent and the method for treating a fat and oil-containing waste liquid of the present invention, it is possible to effectively suppress the waste oil and fat of the waste liquid from being accumulated and hardened to flow, and it is possible to separate waste oil and waste from waste water, The work of removing waste oils and fats can be greatly reduced, and the working environment, especially the odor, etc. can be remarkably improved.
[0037]
Further, the oil / fat-containing waste liquid treating agent of the present invention itself can be safely used without danger such as ignition or harm to the human body.
[Brief description of the drawings]
FIG. 1 schematically shows the mechanism of action of the treatment agent of the present invention.
FIG. 2 shows a digital photograph of solidified waste oil and fat before waste liquid treatment in Example 1.
FIG. 3 is a digital photograph showing the state of waste oil and fat after treatment with the treatment agent of the present invention in Example 1.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Fat and oil molecule of waste fats and
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| JP2003070182A JP4363867B2 (en) | 2003-03-14 | 2003-03-14 | Oil and fat-containing waste liquid treatment agent and oil and fat-containing waste liquid treatment method |
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| JP2003070182A JP4363867B2 (en) | 2003-03-14 | 2003-03-14 | Oil and fat-containing waste liquid treatment agent and oil and fat-containing waste liquid treatment method |
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| JP2004277550A true JP2004277550A (en) | 2004-10-07 |
| JP4363867B2 JP4363867B2 (en) | 2009-11-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428259A (en) * | 2012-07-31 | 2015-03-18 | 奥瑞恩特纳米株式会社 | Microbial flora activator, anti-filamentous fungi agent comprising said microbial flora activator as active ingredient, and method for treating waste water containing oil, fat, etc. using said microbial flora activator |
| JP2015054308A (en) * | 2013-09-13 | 2015-03-23 | 栗田工業株式会社 | Method for reducing viscosity of oil-containing scum, and method for reducing viscosity of oil-containing wastewater |
| JP2015054309A (en) * | 2013-09-13 | 2015-03-23 | 栗田工業株式会社 | Method for reducing viscosity of oil-containing scum, and method for reducing viscosity of oil-containing wastewater |
| JP2016120452A (en) * | 2014-12-24 | 2016-07-07 | 栗田工業株式会社 | Method of reducing viscosity of oil-containing scum |
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| JPH05285305A (en) * | 1992-04-14 | 1993-11-02 | Nippon Health Kogyo Kk | Waste water treatment for emulsive oily waste water by oil-water separation |
| JPH07310091A (en) * | 1994-05-17 | 1995-11-28 | Ajinomoto Co Inc | Liquid detergent composition |
| JPH10324893A (en) * | 1997-05-27 | 1998-12-08 | Teshima Kaken:Kk | Kitchen detergent for tableware |
| JPH1180784A (en) * | 1997-09-02 | 1999-03-26 | Lion Corp | Liquid detergent composition |
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|---|---|---|---|---|
| JPS50131876A (en) * | 1974-04-09 | 1975-10-18 | ||
| JPH05285305A (en) * | 1992-04-14 | 1993-11-02 | Nippon Health Kogyo Kk | Waste water treatment for emulsive oily waste water by oil-water separation |
| JPH07310091A (en) * | 1994-05-17 | 1995-11-28 | Ajinomoto Co Inc | Liquid detergent composition |
| JPH10324893A (en) * | 1997-05-27 | 1998-12-08 | Teshima Kaken:Kk | Kitchen detergent for tableware |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428259A (en) * | 2012-07-31 | 2015-03-18 | 奥瑞恩特纳米株式会社 | Microbial flora activator, anti-filamentous fungi agent comprising said microbial flora activator as active ingredient, and method for treating waste water containing oil, fat, etc. using said microbial flora activator |
| JP2015054308A (en) * | 2013-09-13 | 2015-03-23 | 栗田工業株式会社 | Method for reducing viscosity of oil-containing scum, and method for reducing viscosity of oil-containing wastewater |
| JP2015054309A (en) * | 2013-09-13 | 2015-03-23 | 栗田工業株式会社 | Method for reducing viscosity of oil-containing scum, and method for reducing viscosity of oil-containing wastewater |
| JP2016120452A (en) * | 2014-12-24 | 2016-07-07 | 栗田工業株式会社 | Method of reducing viscosity of oil-containing scum |
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| Publication number | Publication date |
|---|---|
| JP4363867B2 (en) | 2009-11-11 |
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