JPH07331297A - Treatment of waste oil and waste oil treating agent - Google Patents

Abstract

PURPOSE:To provide a treating method and treating agent for waste oil capable of safely and easily reutilizing waste oil as a pure soap in a mood of cooking without using a deleterious substance such as caustic soda. CONSTITUTION:A prescribed amount of a waste oil and a waste oil treating agent are put into a vessel having a prescribed capacity and mixed by stirring. The amount of the waste oil treating agent is preferably 70g per 100cc of the waste oil and the mixture is thoroughly stirred with a stirring rod until the mixture becomes a gelatinous state. The waste oil, treating agent is preferably composed of 20-40wt.% of a fatty acid potassium salt, 5-15wt.% of glycerol, 6-20wt.% of a fatty acid sodium salt, 20-45wt.% of a sodium silicate and O-29 wt.% of an additive. A creamy pure soap can be produced simply by adding water or hot water of a prescribed temperature to the gelatinous substance produced by the above process, thoroughly stirring the mixture, leaving standing for a prescribed period, adding tepid water of a prescribed temperature (preferably 35-45 deg.C) and lightly stirring the composition.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for treating waste oil and a waste oil treating agent for reusing waste oil as pure soap. More specifically, household waste oil such as tempura oil is treated as a soap and soda. The present invention relates to a waste oil treatment method and a waste oil treatment agent that can be easily reused as pure soap without using anything.

[0002]

2. Description of the Related Art In general, waste oil of edible oil used for deep-fried food and the like for home and business use is very troublesome to dispose of. For example, in the case of commercial use, it is a large amount, so it is often entrusted to the collection worker, but in general households, it is impregnated with cloth or paper, or discarded using a waste oil coagulant. In addition to the fact that it takes time and labor, it is not uncommon for waste oil to flow directly into sewage, which is a problem in terms of environmental hygiene.

In view of such environmental hygiene problems, a soaping waste oil treatment agent and a waste oil treatment method for reusing waste oil as soap have been invented in recent years.
Heretofore, as a method for treating such waste oil with soap, additives mainly containing caustic soda, caustic alkali, ammonia and the like have been used.

As a soaping agent for edible waste oil, for example, the one disclosed in JP-A-61-16000 is well known as a conventional example. The soaping agent in this conventional example is composed of a strong alkaline salt of an inorganic weak acid and a sea surface active agent, the content of the strong alkaline salt of the inorganic weak acid is 85 to 99% by weight, and the content of the sea surface active agent is 1 to 15% by weight. (See Japanese Patent Application Laid-Open No. 61-116000).

[0005]

However, in the conventional soaping treatment method described above and the soaping agent disclosed in Japanese Patent Laid-Open No. 61-116000, deleterious substances such as caustic soda or strong substances are used. Since the main component is alkaline ozone sodium silicate, it is dangerous to manufacture and handle, and due to strict legal regulations, anyone can easily manufacture soap from waste oil. It wasn't something.

The present invention has been made in view of such conventional problems, and it is safe and easy to recycle waste oil as pure soap without using any deleterious substances such as caustic soda. It is intended to provide a waste oil treatment method and a waste oil treatment agent that can be used.

[0007]

In order to solve the above-mentioned conventional problems and to achieve the intended purpose, the constitution which is the gist of the present invention is to treat a proper amount of waste oil and waste oil in a container of a desired size. After mixing with the agent and stirring, add water or hot water at a predetermined temperature and stir, then leave it for a predetermined time, then add water or hot water at a predetermined temperature again and stir In the method of treating waste oil to obtain pure soap.

Further, in the method for treating waste oil, it is preferable to add 70 g of the waste oil treating agent to 100 cc of waste oil, and further, potassium fatty acid, glycerin and
It is preferable to use a waste oil treatment agent containing sodium fatty acid and sodium silicate as main components.

On the other hand, the waste oil treatment agent according to the present invention for carrying out this method comprises 20 to 40% by weight of potassium fatty acid, 5 to 15% by weight of glycerin, 6 to 20% by weight of sodium fatty acid, and 20 It is characterized by comprising ˜45 wt% sodium silicate and 0˜29 wt% additive.

Further, it is preferable that the additive contains one or more of a gelling agent, a fragrance, a deodorant, a coloring agent and an antioxidant.

[0011]

The method for treating domestic waste oil according to the present invention is to put an appropriate amount of waste oil and a waste oil treating agent in a container of a desired size and mix them.
After stirring, add water or hot water at a predetermined temperature and stir, then leave it for a predetermined time, and then add water or hot water at a predetermined temperature again and stir to form a cream, so it is good for water. A pure soap that melts and is easy to use will be obtained.

Further, by adding 70 g of a waste oil treating agent to 100 cc of waste oil, it becomes suitable for stirring work without being hardened more than necessary, and a hardness suitable as a cream soap of the final product can be obtained. . Further, solid pure soap can be obtained by filling in a predetermined mold and drying.

When the waste oil treating agent contains potassium fatty acid, glycerin, sodium fatty acid and sodium silicate as main components, pure soap containing no surface active agent other than soap can be obtained.

The waste oil treating agent comprises 20 to 40% by weight of potassium fatty acid, 5 to 15% by weight of glycerin, 6 to 20% by weight of fatty acid sodium, and 20 to 45%.
By using sodium silicate in an amount of 0% by weight and an additive in an amount of 0 to 29% by weight, it is safe to handle and safe to handle, and the odor of waste oil disappears.

Further, the additive contains one or more of a gelling agent, a fragrance, a deodorant, a coloring agent, and an antioxidant, so that the water is well drained and a firm hand is obtained. Any scent or color can be added. Hereinafter, the present invention will be described in more detail with reference to Examples.

[0016]

[Examples] In the present specification, "waste oil" mainly refers to edible waste oil such as tempura oil and salad oil, but is not limited to household waste oil, tofu manufacturing industry, prepared food manufacturing industry, It also includes industrial waste oil generated in the food service industry. In addition, "pure soap" refers to one that does not contain a surface active agent other than soap,
It has excellent degradability, is kind to the skin and environment, and has a strong cleaning power.
It can be used not only for hand washing, but also for washing dishes, kitchens, and various other places.

First, the first method of treating waste oil according to the present invention
The steps will be described. A predetermined amount of waste oil and a waste oil treatment agent are put in a container of a desired size, mixed and stirred. The mixing ratio of the waste oil and the soap composition is 7 for 100 cc of the waste oil.
0 g of waste oil treatment agent is preferable, and the mixture is thoroughly stirred with a stirring rod such as chopsticks until it becomes a gel.

The stirring means is not limited to the above-mentioned stirring rod, and mechanical stirring using a commercially available stirrer,
Alternatively, the contents (specifically, waste oil and waste oil treatment agent) may be put in a container with a lid and shaken to mix and stir.

Further, as a waste oil treating agent, 20 to 40% by weight of potassium fatty acid, 5 to 15% by weight of glycerin, 6 to 20% by weight of fatty acid sodium, and 20 to 45
What consists of wt% sodium silicate and 0-29 wt% additives is used.

The fatty acid potassium is, for example, palm coconut oil, and the additive is, for example, a plant gelling agent.
It goes without saying that a fragrance, a deodorant, a coloring agent, an antioxidant or the like may be used in combination if necessary.

Next, the second step will be described. Water or hot water at a predetermined temperature is added to the gel-like material obtained in the previous step, and the mixture is further stirred. As the temperature and the amount of such added water,
35 to 45 degrees, 80 to 120 cc (preferably 90 to 1)
00cc) is good.

Next, the third step will be described. The mixed agitated product obtained in the previous step is allowed to stand for a predetermined time. Although there is a difference depending on the amount, it is preferable to leave at room temperature for 20 minutes or more.

Next, the fourth step will be described. The stirrer after curing obtained in the previous step has a predetermined temperature (preferably 35 to
Add (45 degrees) lukewarm water and stir further. The amount of such hot water to be added is preferably about 20 to 115 cc, and a creamy final product (pure soap) can be obtained only by lightly mixing and leaving for a predetermined time.

(Example 1) For 100 cc of edible waste oil,
Using the waste oil treatment agent of the present invention having the formulation shown in Table 1 below,
I made a prototype of soap. In addition, the method of trial production is as follows. The waste oil (100 cc) and the waste oil treatment agent 70
After adding g and stirring to transform it into a gel, for example, 90 ° C of lukewarm water at 40 ± 5 ° C is further added.
c was added, the mixture was further stirred, and left for 5 to 6 hours. After that, 20 cc of lukewarm water was added again and stirred lightly (in other words, until the separated state disappeared), and whitish cream-like pure soap was obtained.

[0025]

[Table 1]

As a result of performing a property test on the obtained pure soap, all of the foaming, water drainage and detergency were good,
There was no oily odor and the amount of residual fatty acids was very small.

The present invention is not limited to this embodiment, and the design can be changed freely within the scope of the object of the present invention, and the present invention includes all of them.

[0028]

EFFECT OF THE INVENTION The method for treating waste oil according to the present invention comprises mixing an appropriate amount of waste oil and a waste oil treating agent in a container of a desired size, mixing and stirring, and then adding water or hot water at a predetermined temperature and stirring.
Then, after leaving it for a predetermined period of time, water or hot water at a predetermined temperature is added again to form a creamy form by stirring, so that it is possible to obtain a pure soap that dissolves well in water and is easy to use. , Playable materials such as potable soda,
It has an excellent effect that anyone can safely and surely reuse the waste oil into pure soap without using it.

By mixing 70 g of waste oil treating agent with 100 cc of waste oil, it is not hardened more than necessary and is suitable for stirring work, and it has a hardness suitable as a creamy soap. However, by using fatty acid potassium, glycerin, sodium fatty acid, and sodium silicate as the main components, it does not contain sea surface active agents other than soap, so it has excellent decomposability and strong detergency, and is good for the skin and environment. It is now possible to obtain gentle pure soap.

Further, the waste oil treating agent comprises 20 to 40% by weight of potassium fatty acid, 5 to 15% by weight of glycerin, 6 to 20% by weight of fatty acid sodium, and 20 to 45%.
By comprising sodium silicate in an amount of 0 to 29% by weight and an additive in an amount of 0 to 29% by weight, it is safe to touch and can be handled easily.

Furthermore, when the additive contains one or more of a gelling agent, a fragrance, a deodorant, a coloring agent, and an antioxidant, the water is well drained and a firm hand is obtained. It is also possible to add an arbitrary scent or color if necessary.

As described above, according to the present invention, pure soap can be easily produced by using edible waste oil, and since it does not use a deleterious substance such as fire or caustic soda, it is very safe to handle.
Furthermore, the finished pure soap has excellent degradability of ingredients, is kind to the skin and environment, and has a strong cleaning power. It can be used not only for hand washing, but also for washing dishes, kitchen areas, and various other places. In addition, it is possible to provide a useful waste oil treatment method and a waste oil treatment agent that are creamy and easy to handle and do not leave the smell of waste oil.

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[Procedure amendment]

[Submission date] August 18, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction content]

As a soaping agent for edible waste oil, for example, the one disclosed in Japanese Patent Laid-Open No. 61-116000 is well known as a conventional example. Soap agent in this conventional example is composed of an inorganic weak acid strong alkali salts and interfacial active agent, content of 85 to 99 wt% of strong alkaline salts of the inorganic weak acid, the content of the field surface active agent 1 to 15 It is characterized in that the content is% by weight (see JP-A-61-116000).

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

[0013] The waste oil treatment agent, comprising a fatty acid potassium, glycerin, and fatty acid sodium, by mainly comprising silicate soda, and the pure soap containing no interfacial active agent other than soaps are obtained.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0016

[Correction method] Change

[Correction content]

[0016]

[Examples] In the present specification, "waste oil" mainly refers to edible waste oil such as tempura oil and salad oil, but is not limited to household waste oil, tofu manufacturing industry, prepared food manufacturing industry, It also includes industrial waste oil generated in the food service industry. In addition, the "pure soap", the ones that do not contain the field surface active agents other than soap and shall be referred to as finger,
It has excellent degradability, is kind to the skin and environment, and has a strong cleaning power.
It can be used not only for hand washing, but also for washing dishes, kitchens, and various other places.

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0029

[Correction method] Change

[Correction content]

Further, with respect to the waste oil 100 cc, by blending 70g of the waste oil treatment agent, with suitable agitation work not tightly than necessary, Ri Dekiaga also suitable hardness as a cream soap, more the waste oil treatment agent, a fatty acid potassium, glycerin, and fatty acid sodium, by mainly comprising silicate soda, because it does not contain a field <br/> surfactant other than soap, excellent component disintegratable It is now possible to obtain pure soap that has good cleaning power and is kind to the skin and the environment.

Claims (5)

[Claims] 1. An appropriate amount of waste oil and a waste oil treating agent are placed in a container of a desired size, mixed and stirred, and then water or hot water at a predetermined temperature is added and stirred, and then left for a predetermined time. ,
A method for treating waste oil, characterized in that creamy pure soap is obtained by again adding water or hot water at a predetermined temperature and stirring. 2. The method for treating waste oil according to claim 1, wherein 70 g of the waste oil treating agent is mixed with 100 cc of waste oil. 3. The method for treating waste oil according to claim 1, wherein the waste oil treating agent contains potassium fatty acid, glycerin, fatty acid sodium, and sodium silicate as main components. 4. 20 to 40% by weight of potassium fatty acid and 5
~ 15 wt% glycerin, 6-20 wt% sodium fatty acid, 20-45 wt% sodium silicate, 0
A waste oil treatment agent, comprising: ~ 29% by weight of an additive. 5. The additive is a gelling agent, a fragrance, a deodorant,
The waste oil treatment agent according to claim 4, comprising one or more of a colorant and an antioxidant.