JPS5938294A - Water/glycol-base hydraulic oil - Google Patents

Water/glycol-base hydraulic oil

Info

Publication number
JPS5938294A
JPS5938294A JP14972282A JP14972282A JPS5938294A JP S5938294 A JPS5938294 A JP S5938294A JP 14972282 A JP14972282 A JP 14972282A JP 14972282 A JP14972282 A JP 14972282A JP S5938294 A JPS5938294 A JP S5938294A
Authority
JP
Japan
Prior art keywords
hydraulic oil
glycol
water
present
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14972282A
Other languages
Japanese (ja)
Other versions
JPS6121598B2 (en
Inventor
Mitsuo Nakajima
光夫 中島
Hiroshi Kawabata
浩 川畑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Toyota Central R&D Labs Inc
Original Assignee
Toyota Motor Corp
Toyota Central R&D Labs Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp, Toyota Central R&D Labs Inc filed Critical Toyota Motor Corp
Priority to JP14972282A priority Critical patent/JPS5938294A/en
Publication of JPS5938294A publication Critical patent/JPS5938294A/en
Publication of JPS6121598B2 publication Critical patent/JPS6121598B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:The titled hydraulic oil having a high disposability as a spent oil, which is prepd. by incorporating ethylene glycol and/or propylene glycol, oleic acid, a polyoxyalkylene derivative and an additive. CONSTITUTION:10-50% ethylene glycol and/or propylene glycol, 1-20% oleic acid, not more than 15% polyoxyalkylene derivative of average MW of 10,000- 200,000, such as polyalkylene polyol, and not more than 10%, pref. 1.0-5.0% additive such as a rust preventive, e.g., morpholine, an antioxidant, e.g., benzotriazole, a sequestering agent, e.g., sodium gluconate, or a pH adjustar, e.g., KOH, are dissolved in water. EFFECT:A water/glycol-base hydraulic oil having COD value <=400,000 which can be reduced by at least 70% by biological treatment, is obtd.

Description

【発明の詳細な説明】 本発明は、水−グリコ−ル型作動油、特に廃液処理性の
高い水−グリコール型作動油に関するものである。従来
の水−グリコール型作動油はその長所ぐある水どの親和
性が極めて良いことから、廃液を処理する場合に、水に
無限大に拡散し、廃液処理が極めて困Hな実情にある。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a water-glycol type hydraulic oil, particularly a water-glycol type hydraulic oil with high waste liquid treatment properties. Conventional water-glycol type hydraulic fluids have the advantage of having extremely good affinity for water, and therefore, when treating waste fluids, they diffuse infinitely into the water, making waste fluid treatment extremely difficult.

本発明は、掛る問題点に鑑み、作動油自体のCOD分σ
月30D1nの向」−を「1的とする。′?Jなわら、
従来の作動油のCO[)値が45万P I−’ Mへ・
120万l) F) Mであっ1=ものを4077PP
M以千とづる。また、伯の目的は活性汚泥処理等の生物
処理性の良1)Tな作動油を得ることを目的と゛りる。
In view of this problem, the present invention provides a COD component σ of the hydraulic fluid itself.
The direction of the moon 30D1n is considered to be 1.'?J.
The CO[) value of conventional hydraulic fluid has decreased to 450,000 P I-'M.
1.2 million liters) F) M 1 = 4077 PP
M is a thousand words. In addition, the objective is to obtain a hydraulic fluid with good 1) T properties for biological treatment such as activated sludge treatment.

具体的には生物処理でCOD値の70%以上を除去づる
Specifically, biological treatment removes more than 70% of the COD value.

本発明の廃液処理性の1ぐれた水−グリコール型作動油
は、エヂレングリニ】−ル、プロピレングリコ1−ルま
たはそれらの混合物10〜50%、Aレイン酸1−・2
0%、ポリオキシアルキレン誘導体15%以下、防錆剤
、酸化防」1剤、金属イオン封鎖剤等の添加剤10.0
%以下、残部水、どJ、りなることを特徴とづるもので
ある。
The water-glycol type hydraulic oil having excellent waste liquid treatment properties of the present invention includes 10 to 50% of ethylene glycol, propylene glycol, or a mixture thereof, A-leic acid 1-2.
0%, polyoxyalkylene derivative 15% or less, rust preventive agent, oxidation preventive agent, metal ion sequestering agent and other additives 10.0
% or less, the remaining water, and the remaining water.

本発明の水−グリ:」−ル型作動油Cは、作動油自体の
COD laが40万PPM以下Cあり、生物処理によ
るCOD除去率は、70%jメトである。。
The water-grid type hydraulic oil C of the present invention has a COD la of 400,000 PPM or less, and a COD removal rate of 70% by biological treatment. .

ここでCOO値とは化学的酸素消費量を、またBOD値
とは生物化学的酸素消費量をいう。
Here, the COO value refers to chemical oxygen consumption, and the BOD value refers to biochemical oxygen consumption.

本発明の水−グリ」−ル型作動油では、第1に流動点降
F剤あるいは粘度調整剤として使用されているグリ−」
−ル類をエチレングリコール、プロピレングリコールあ
るいはそれらの混合物に限定し、その組成割合を10〜
50%としている。発明者等は、グリニ1−ル類の活性
汚泥による処理性を検討した結果、1ニヂレングリコー
ル及びプロピレングリコールが他のジコーヂレングリ]
−ル、ジプロピレングリコール等に比較し、非常に良好
であることを見いだし、グリコール類をエチレングリニ
I−ルどプロピレングリコールに限定したものである。
In the water-grill type hydraulic oil of the present invention, firstly, the water-grill type hydraulic oil is used as a pour point depressing agent or a viscosity modifier.
-Limit the alcohol to ethylene glycol, propylene glycol, or a mixture thereof, and set the composition ratio to 10 to 10.
It is set at 50%. As a result of examining the processability of glycols with activated sludge, the inventors found that 1-nidylene glycol and propylene glycol were superior to other dicodylene glycols.
The glycols were found to be very good compared to ethylene glycol, dipropylene glycol, etc., and the glycols were limited to ethylene glycol and propylene glycol.

又、これらグリコール類の配合量を従来のしのに比較し
て低くし、10〜50%とした。
Furthermore, the amount of these glycols added was lower than that of conventional products, ranging from 10 to 50%.

なJ3、グリニ1−ル類のより好ましい配合量は35゜
0へ・50.0%である。
A more preferable blending amount of J3 and Greenyl is 35.0 to 50.0%.

第2に、油性向上剤どして使用されている脂肪酸をAレ
イン酸に限定し、その配合量を1〜20%としたことで
ある。1はIlh酸は活性汚泥等により比較的容易に分
解される。しかし、A1ツイン酸の分解′a度は他の脂
肪酸より良く又、Aレイン酸を使用ザることによりグリ
−」−ル類のiI!l’I!l ’f、r泥にJ、る分
解速度も速まることを+i9認し−(いる。J、り好ま
しいAレイン酸d配合割合は、1・〜10%である。
Second, the fatty acid used as an oiliness improver is limited to A-leic acid, and its blending amount is 1 to 20%. 1, Ilh acid is relatively easily decomposed by activated sludge and the like. However, the degree of decomposition of A1 acid is better than that of other fatty acids, and by using A1 acid, the degree of decomposition of glycols is improved. l'I! It has been recognized that the decomposition rate of J in mud is also accelerated. J, A preferred blending ratio of A-leic acid is 1-10%.

第3の特色は、増粘剤であるポリオキシアルキレン誘導
体の配合用を15%1ス下に限ったこと(゛ある。ポリ
オキシアルキレン誘導体は、微生物による処理が極めて
困難で、配合用は少ない程廃水処理には好ましい。ポリ
オキシアルキレン誘導体としては、ポリアルキレンポリ
オールが用いられる。その配合用を少量とするため、で
しC少ffi ”rも充分な粘度の作動油を与えるため
、分子間は大きい方が好ましく、平均分子量で10.0
00〜200.000程度のものがよい。
The third feature is that the amount of polyoxyalkylene derivatives used as thickeners in the formulation is limited to 15% or less. Polyalkylene polyol is used as the polyoxyalkylene derivative.In order to use a small amount of the compound, the intermolecular is preferably larger, with an average molecular weight of 10.0
A value of about 00 to 200,000 is preferable.

その他、防錆剤、酸化防止剤、金属イオン封鎖剤等の添
加剤は、10.0%以■としている。そしC残部を水と
で構成している。
Other additives such as rust preventives, antioxidants, and sequestering agents are kept at 10.0% or more. The remainder of C is made up of water.

防錆剤及び酸化防止剤につい−(も廃液処理の而からは
可能な限り少ないのが望ましく、本発明の作動油C(よ
1.0−・5.Q%程度がにり好ましい。
Regarding rust preventives and antioxidants, it is desirable to have as little as possible from the perspective of waste liquid treatment, and it is preferable that the amount of the hydraulic oil C of the present invention is about 1.0-5.Q%.

防錆剤としてはモルホリン、安息香酸、シクロヘキシル
アミン、トリエタノールアミン等が、酸化防止剤として
は、ベンゾ1〜リアゾール、メルカプトヘンシイミダゾ
ール、メルカプトベンゾチアゾール等が金属イオン封鎖
剤としては、[D−1−Δ、D T P A 、グル1
2Mツートリウム等のキレ−(〜止剤が、1日調整剤と
してtよ苛性カリ、苛性′ソーダ等が従来と同様に使用
される。
Rust inhibitors include morpholine, benzoic acid, cyclohexylamine, triethanolamine, etc. Antioxidants include benzo-1-lyazole, mercaptohencyimidazole, mercaptobenzothiazole, etc. Sequestering agents include [D-1 −Δ, D T P A , Glu 1
A deterrent agent such as 2M tutorium is used, and caustic potash, caustic soda, etc. are used as day-adjusting agents in the same manner as in the past.

本発明の水−グリコール型作動油は、作動油としての粘
度、粘度指数、P H、泡だち度、腐蝕性、錆止め性等
については、従来の水グリコール型作動油どはば同等の
性能を示す。そして、廃液処理性を7jS1COD値は
、7IOノjPPM以−トであり、従来の水−グリコー
ル型作動油に比較して、20〜50%COD値が小さい
。又、生物処理iこよるCot)除去率が80%程度に
なり、従来一般の作動油のCOD除去率が30〜40%
程度であることから考え、生物処理によるCOD除去率
が60%程度向上している。
The water-glycol type hydraulic oil of the present invention has performance equivalent to that of conventional water-glycol type hydraulic oil in terms of viscosity, viscosity index, PH, foaminess, corrosion resistance, rust prevention properties, etc. shows. The waste liquid treatment property has a 7jS1 COD value of 7IO notes or more, which is 20 to 50% smaller than that of conventional water-glycol type hydraulic fluids. In addition, the COD removal rate due to biological treatment is about 80%, and the COD removal rate of conventional general hydraulic oil is 30 to 40%.
Considering this, the COD removal rate by biological treatment is improved by about 60%.

本発明の水−グリコール型作動油を使用りるど、一般の
活性汚泥処理装首に通7:(の凝集、処理装置を追加づ
るだけで、1−分にCOD値の低減が可能である。従っ
て、規制の厳しいT場にa3いても、1−分に廃液処理
が可能どなる。又、エチレングリニー1−ル、プ(−1
ピレングリ二1−ル、Aレイン酸を)重用し、モルホリ
ン、ベンゾl−リアゾールの吊を必要最小限にし/jた
めに、m性が軽減され、安全衛生面が向上している。
By using the water-glycol type hydraulic oil of the present invention, it is possible to reduce the COD value in 1 minute by simply adding a coagulation and treatment device to a general activated sludge treatment head. Therefore, even if you are in a T field with strict regulations, it is possible to treat waste liquid in 1 minute.
By making heavy use of pyrene glycol and A-leic acid and minimizing the amount of morpholine and benzo-l-lyazole, the chemical properties are reduced and safety and hygiene are improved.

以下、実施例にJ、り説明ηる。The following is a detailed explanation of the examples.

第1表のA、Bに示プ゛、2種類の本発明の水−グリコ
−ル型作動油を調整した。尚、参考までに、従来の水−
グリ」−ル型作動油C1(〕、〔q)3種類についての
組成を合けて第1表(J承り。ここrは、水の配合量を
40%に統一した、。
Two types of water-glycol type hydraulic fluids of the present invention were prepared as shown in A and B of Table 1. For reference, conventional water
The compositions of the three types of grille type hydraulic oils C1 (], [q) are combined in Table 1 (according to J. Here, the water content is unified to 40%.

本1’l明のAの作動油にa3いては、プロピレングリ
ココールを/1.0%、ポリオキシアルキレン誘導体を
12,5%としている。又、脂肪酸としてはAレイン酸
5%を用いている。本発明品の13の作動第1表 油においては、Iヂレングリコール20%、プロピレン
グリニ]−ル20%とし、グリ」−ル類を40%どして
いる。従来の作動油C及びDについては、グリコールと
して、ジエチレングリ」−ル及びジプロピレングリコー
ルが用いられている。又、従来の作動油であるDはグリ
コールとしで、エチレングリコールおよびプロピレング
リコ1−ルが使用され−Cいるがその総H)は30%C
ある。本発明の作動油に43いては、ポリオ−1ジノノ
ルキレン誘導体が12.5%であるのに対し、従来のも
の1,127%’15%及び22%Cある。又、本発明
の作動油においては、モルホリン、安息香酸等の防錆剤
が1%であるのに対し、従来品では2./I−・2゜6
%添加されている。又、ベンゾ1〜リアソールは本発明
の作動油においては0.2%であるが、従来の作動油に
J3いでは0.3〜0./I%添加されている。F D
 TΔイの他の添加剤に′)いC6木発明の場合は、0
.1%従来のしのは0.2%程度添加されている。
A3 of the hydraulic oil A in this book contains 1.0% propylene glycocol and 12.5% polyoxyalkylene derivative. In addition, 5% A-leic acid was used as the fatty acid. In the No. 1 working oil of the product of the present invention, 20% I-dylene glycol, 20% propylene glycol, and 40% glycol. For conventional hydraulic fluids C and D, diethylene glycol and dipropylene glycol are used as glycols. In addition, D, which is a conventional hydraulic oil, is a glycol, and ethylene glycol and propylene glycol are used.The total H) is 30%C.
be. In the hydraulic oil of the present invention, the polyo-1 dinonorkylene derivative has a C content of 12.5%, whereas the conventional oil has a C content of 1,127%, 15% and 22%. In addition, in the hydraulic oil of the present invention, the amount of rust preventive agents such as morpholine and benzoic acid is 1%, whereas in the conventional product it is 2. /I-・2゜6
% added. Furthermore, the amount of benzo 1 to rear sole is 0.2% in the hydraulic fluid of the present invention, but it is 0.3 to 0.0% in the conventional hydraulic fluid J3. /I% is added. FD
In the case of C6 wood invention with other additives of TΔi, 0
.. About 0.2% of Shino is added compared to 1% of conventional Shino.

次にこれらの作動油についての性状を第2表に示づ。第
2表にJ3いては、比重、色、粘度、粘度指数、予備ア
ルカリ劇、水分、(〕11111J、泡だち度、銅板+
1i!蝕性、錆止め性、BOD値、CO[〕値を測定し
た。尚、[3OD値は生物化学的酸素消費量を示し、活
性汚′dピ等の生物処理により、処理できる割合を示づ
ものでBOD値が高い稈生物処理性が容易であることを
示している。尚、備考にそれぞ第2表 れの項目についての試験方法を記載する。
Next, the properties of these hydraulic fluids are shown in Table 2. Table 2 shows J3's specific gravity, color, viscosity, viscosity index, preliminary alkali content, water content, (11111J, degree of foaming, copper plate +
1i! The corrosion resistance, rust prevention property, BOD value, and CO[] value were measured. In addition, [3OD value indicates the biochemical oxygen consumption amount and indicates the rate at which it can be treated by biological treatment such as activated pollutants, and culms with a high BOD value indicate that biological treatment is easy. There is. In addition, the test method for each item in the second table is described in the notes.

第2表にり明らかなように、本発明の作動油で65るΔ
及びBは従来の作動油で′ある0、1〕、[ど比較し、
作動油としての一般項[」Cある比(口、色、粘度、粘
度指数、予備アルカリ度、水分、Pl−1、泡たち度、
銅板腐蝕性、錆止め性ははどんと同一である。それに対
しく−1[301)値は、従来のものが35万8壬、2
乃1千、39力乏3壬であるの(J対して、本発明の伯
動油では56 rJ’ 6丁、5F)万7壬と50カ以
上となり非常に高い値を示している。−:+’j、CO
D値は、従来のものが59ノ)、72万、46万どいず
れも/IO万J5ス」−て・あるの【ご対し、本発明の
ものは3ε37j、39カと/I O7J以下どなって
いる。このように、本発明の作動油(JCOD値が/I
O万以下と少なく、かつ生物処理性を示iJ’ [’3
 OD値カ50 万以上となり、C01) Iii’f
 ト130D値が逆転し、廃液処J1!性が向上してい
る。尚、廃液処理層の検討どしては0.5%の作動油を
含む廃液を供試液どし、活性汚泥に投入し、M l−S
S(Mixed  Liquor  5uspcnde
tl 5olicl)を27001111mに調整して
、活性汚泥処J111試験をfiつた。なお図に活性汚
泥処理試験時の001)曲線を示J0第1図にり本発明
の作動油であるΔ、13は処理部間48時間後にほぼ5
0%が分解され、さらにその後においても、徐々に分解
が進み、経過時間120時間後には、約75%が分解さ
れているのが分る。従来品のEのものも比較的活f1汚
泥ににる分解がづぐれているが、120時間後において
も、約55%程度の分解率になってd3す、本発明のへ
、Bに比べ生物処理性は良くない。尚、従来のC,[)
の作動油については、活性汚泥にJζりほどんど分解せ
ず処理が困難である。
As is clear from Table 2, the hydraulic oil of the present invention has a Δ of 65
and B are conventional hydraulic oils'0, 1], [compared with
General terms for hydraulic oil [C] Certain ratios (mouth, color, viscosity, viscosity index, reserve alkalinity, moisture, Pl-1, degree of foaming,
Copper plate corrosion resistance and rust prevention properties are the same as Hadon. On the other hand, the -1 [301) value of the conventional one is 358,000 yen and 2
It is 1,000, 39, 3 jin (compared to J, 56 rJ' 6, 5F for the Hakudo oil of the present invention), which is over 50, 7,000, which is a very high value. -:+'j, CO
The D value of the conventional one is 59, 720,000, and 460,000, all of which are /IO,000,000 J5. It has become. In this way, the hydraulic oil of the present invention (JCOD value /I
iJ'['3
OD value is over 500,000, C01) Iiii'f
The 130D value is reversed, and the waste liquid treatment J1! sex is improving. In addition, when examining the waste liquid treatment layer, the waste liquid containing 0.5% hydraulic oil was drained as a test liquid, and then poured into activated sludge.
S(Mixed Liquor 5uspcnde
The activated sludge treatment J111 test was completed by adjusting the tl 5 olicl) to 27001111 m. In addition, the figure shows the 001) curve during the activated sludge treatment test.As shown in J0 figure 1, the hydraulic oil of the present invention, Δ, 13, has a value of approximately 5 after 48 hours between the treatment sections.
It can be seen that 0% was decomposed, and even after that, the decomposition progressed gradually, and after 120 hours, about 75% had been decomposed. The conventional product E also has relatively good decomposition into active f1 sludge, but even after 120 hours, the decomposition rate is about 55%, which is d3 compared to the present invention. Biological treatment properties are not good. In addition, the conventional C, [)
Hydraulic oil hardly decomposes into activated sludge and is difficult to treat.

【図面の簡単な説明】[Brief explanation of the drawing]

図は実施例でなされた本発明の2種類の作動油と従来の
作動油についての活性汚泥処理試験における時間どCO
Dの関係を示す線図である。符号Δ、Bは本発明の作動
油をC11〕、[三は従来の作動油をそれぞれ承り。 経31h時)関 (Hr)
The figure shows CO over time in an activated sludge treatment test for two types of hydraulic oil of the present invention and a conventional hydraulic oil.
It is a diagram showing the relationship between D. Symbols Δ and B represent the hydraulic fluid of the present invention; C11] and [3] represent the conventional hydraulic fluid, respectively. 31 hours) Seki (Hr)

Claims (1)

【特許請求の範囲】 〈1〉■ヂレングリコール、プロピレングリコールまた
はそれらの混合物10〜50%、Δレイン酸1〜20%
、 ポリオキシアルキレン誘導体15%以下、防錆剤、酸化
防止剤、金属イオン封鎖剤等の添加剤10.0%以下、 残部水、 とよりなる廃液処理f1のずぐれた水−グリ」−ル型作
動油。 (2)添加剤を構成覆る防錆剤、および酸化防止剤は0
.1〜5.0%である特許請求の範囲第1項記載の作動
油。
[Claims] <1>■ Dilene glycol, propylene glycol or a mixture thereof 10-50%, Δleic acid 1-20%
, 15% or less of polyoxyalkylene derivatives, 10.0% or less of additives such as rust preventives, antioxidants, sequestering agents, etc., and the remainder water. mold hydraulic oil. (2) Rust inhibitors and antioxidants that make up the additives are 0
.. The hydraulic oil according to claim 1, which has a content of 1 to 5.0%.
JP14972282A 1982-08-27 1982-08-27 Water/glycol-base hydraulic oil Granted JPS5938294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14972282A JPS5938294A (en) 1982-08-27 1982-08-27 Water/glycol-base hydraulic oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14972282A JPS5938294A (en) 1982-08-27 1982-08-27 Water/glycol-base hydraulic oil

Publications (2)

Publication Number Publication Date
JPS5938294A true JPS5938294A (en) 1984-03-02
JPS6121598B2 JPS6121598B2 (en) 1986-05-28

Family

ID=15481381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14972282A Granted JPS5938294A (en) 1982-08-27 1982-08-27 Water/glycol-base hydraulic oil

Country Status (1)

Country Link
JP (1) JPS5938294A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006265345A (en) * 2005-03-23 2006-10-05 Sanyo Chem Ind Ltd Lubricating oil for ship propulsor bearing
JP2007039570A (en) * 2005-08-03 2007-02-15 Cosmo Sekiyu Lubricants Kk Water-containing lubricating oil composition and property stabilizer used in the same
JP2007039569A (en) * 2005-08-03 2007-02-15 Cosmo Sekiyu Lubricants Kk Water-containing lubricating oil composition and property stabilizer used in the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54129256A (en) * 1978-03-28 1979-10-06 Sanyo Chemical Ind Ltd Waterrglycol affiliated incombustible working fluid

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54129256A (en) * 1978-03-28 1979-10-06 Sanyo Chemical Ind Ltd Waterrglycol affiliated incombustible working fluid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006265345A (en) * 2005-03-23 2006-10-05 Sanyo Chem Ind Ltd Lubricating oil for ship propulsor bearing
JP2007039570A (en) * 2005-08-03 2007-02-15 Cosmo Sekiyu Lubricants Kk Water-containing lubricating oil composition and property stabilizer used in the same
JP2007039569A (en) * 2005-08-03 2007-02-15 Cosmo Sekiyu Lubricants Kk Water-containing lubricating oil composition and property stabilizer used in the same

Also Published As

Publication number Publication date
JPS6121598B2 (en) 1986-05-28

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