KR20030094800A - Oil seperation method of emulsion by intermolecular force - Google Patents

Oil seperation method of emulsion by intermolecular force Download PDF

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Publication number
KR20030094800A
KR20030094800A KR1020020032094A KR20020032094A KR20030094800A KR 20030094800 A KR20030094800 A KR 20030094800A KR 1020020032094 A KR1020020032094 A KR 1020020032094A KR 20020032094 A KR20020032094 A KR 20020032094A KR 20030094800 A KR20030094800 A KR 20030094800A
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KR
South Korea
Prior art keywords
oil
emulsion
force
wastewater
water
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Application number
KR1020020032094A
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Korean (ko)
Inventor
이상수
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이상수
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Publication date
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Priority to KR1020020032094A priority Critical patent/KR20030094800A/en
Publication of KR20030094800A publication Critical patent/KR20030094800A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material

Abstract

PURPOSE: An oil/water separation method of emulsion by intermolecular force is provided to recover oil from the emulsion wastewater economically and simply by oil/water separating emulsion wastewater generated during washing of cutting oil. CONSTITUTION: The oil/water separation method of emulsion by intermolecular force comprises processes of preparing emulsion wastewater in a droplet shape, and separating oil from water by injecting the emulsion wastewater formed in a droplet shape into oil so that emulsion oil in emulsion wastewater is bonded to oil by intermolecular force of oil itself while water is collected to the lower side by specific gravity, wherein if the emulsion force formed in a droplet shape is injected into oil, emulsion oil in emulsion wastewater droplets is bonded to oil due to attractive force (intermolecular force) of oil while the emulsion wastewater is being descended downward in the oil by specific gravity since attractive force of surrounding numerous oil molecules is applied to one small emulsion oil in the oil so that attractive force far exceeding repulsive force is applied to an oil in which plenty of oil molecules are bonded to each other.

Description

분자력을 이용한 에멀전의 유수분리방법{OIL SEPERATION METHOD OF EMULSION BY INTERMOLECULAR FORCE}OIL SEPERATION METHOD OF EMULSION BY INTERMOLECULAR FORCE}

본 발명은 절삭유 세척시에 발생하는 에멀전 폐수속의 에멀전유를 회수하는 유수분리 기술로서 현재 사용되고 있는 응집제나 분리막사용은 비용과 관리면에서 문제가 많았다.The present invention is an oil and water separation technology for recovering emulsion oil in an emulsion wastewater generated during washing of cutting oil, and the use of a flocculant or a separation membrane, which is currently used, has many problems in terms of cost and management.

본 발명은 경제적이고 간단할뿐 아니라 기존의 방법과는 달리 기름을 회수하여 재이용할 수 있는 특징이 있다.The present invention is economical and simple, and unlike the conventional method, the oil can be recovered and reused.

기름의 분자들 사이에는 약한 분자력의 일종인 반데르발스의 힘이 작용하는데 크기는로 표시된다.Between the molecules of oil there is a force of van der Waals, a kind of weak molecular force, Is displayed.

여기에서 a, b 는 계수,은 거리이며, 1항은 척력을 2항은 인력을 나타낸다. 일반적으로 m=12, n=6 정도이다. 이 식에서 알려주는 것처럼, 아주 짧은 거리에서 분자끼리는 매우 큰 힘으로 척력이 작용한다.Where a and b are coefficients, Is distance, and 1 is repulsive force and 2 is attractive force. Generally m = 12 and n = 6. As this equation shows, at very short distances, the repulsive force acts with a very large force between molecules.

에멀전유가 결코 자연상태에서 서로 응집되지 않고 유수분리가 어려운 이유가 이러한 성질 때문이었다.This is why emulsion oils never aggregate with each other in nature and are difficult to separate from oil.

하지만 분자사이가 멀어지면, 약하지만 인력이 작용한다.But when the molecules are far apart, they are weak but attractive.

따라서 분자들 사이가 매우 가까운 상태에서도 척력을 훨씬 상회할 정도의 인력이 작용하도록 조건이 성립되면 분자끼리 결합될 수 있다.Therefore, if conditions are established so that the attraction force far exceeds the repulsive force even in a very close state between the molecules can be combined between the molecules.

그러한 조건이 성립되는 곳은 다량의 기름분자들이 결합되어 있는 기름속인데, 기름속에서는 작은 에멀전유 하나에 대하여 주변의 수많은 기름분자의 인력이 작용하기 때문에 척력을 훨씬 상회하는 인력이 작용한다.Where such conditions are established, it is in oil to which a large number of oil molecules are combined. In the oil, the attraction force of much oil molecules around one small emulsion oil acts much more than the repulsive force.

그러므로 에멀전 폐수를 방울 형태로 만들어 기름속에 투입시키면, 기름 내부에서 비중으로 인해 내려가는 동안 에멀전 폐수 방울속의 에멀전유는 기름의 인력(분자력)으로 인하여 기름과 결합된다.Therefore, when the emulsion waste water is made into droplets and introduced into the oil, the emulsion oil in the emulsion waste water droplets is combined with the oil due to the attraction force of the oil (molecular force) while it is lowered due to the specific gravity inside the oil.

폐수속의 에멀전유는 기름과 결합되어 회수되고 물은 비중으로 인해 아래로 모인다.Emulsion oil in waste water is recovered by combining with oil and water is collected down due to specific gravity.

Claims (1)

에멀전 폐수를 방울 형태로 만들어 기름속에 투입시켜 기름의 자체 분자력으로 인하여 에멀전 속의 에멀전유가 기름과 결합되어 물과 기름이 분리되도록 하는 것을 특징으로하는 분자력을 이용한 에멀전의 유수분리방법.The oil-water separation method of the emulsion using molecular force, characterized in that the emulsion waste water in the form of droplets to be introduced into the oil to the emulsion oil in the emulsion is combined with the oil to separate the water and the oil due to its own molecular force.
KR1020020032094A 2002-06-07 2002-06-07 Oil seperation method of emulsion by intermolecular force KR20030094800A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020020032094A KR20030094800A (en) 2002-06-07 2002-06-07 Oil seperation method of emulsion by intermolecular force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020020032094A KR20030094800A (en) 2002-06-07 2002-06-07 Oil seperation method of emulsion by intermolecular force

Publications (1)

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KR20030094800A true KR20030094800A (en) 2003-12-18

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KR1020020032094A KR20030094800A (en) 2002-06-07 2002-06-07 Oil seperation method of emulsion by intermolecular force

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190136189A (en) * 2018-05-30 2019-12-10 농업회사법인 주식회사 우리두 Recovering Method of Essential Oil of Plant, Essential Oil Obtained therefrom, and Cosmetic Composition Comprising The Same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190136189A (en) * 2018-05-30 2019-12-10 농업회사법인 주식회사 우리두 Recovering Method of Essential Oil of Plant, Essential Oil Obtained therefrom, and Cosmetic Composition Comprising The Same

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