Soap powders, the manufacture of which requires special tools. simple recipes

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FACTORY TECHNOLOGIES AT HOME - SIMPLE RECIPES
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Soap powders, the manufacture of which requires special tools. Simple recipes and tips

Factory technologies - simple recipes

Directory / Factory technology at home - simple recipes

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Preparation of such soap powders very simple and can be done in the following ways.

Soap glue is brewed mainly from fats rich in stearic acid, with the addition of rosin. The welded soap glue is placed in a cauldron and cooled with stirring. After proper cooling, you need to add soda in small uniform portions, while stirring all the time. When complete dissolution occurs and the mixture is well mixed, the mass is released from the boiler into molds. As a form in which the washing powder should harden, it is best to use galvanized iron boxes measuring 50x50x10 cm.

When grinding soap powder, frictional heating of the powder must be avoided, as the powder can become mushy and sticky. Steel drums equipped with holes similar to those of a kitchen grater can serve as a good tool for this purpose. The powder falls between the drums and is crushed. Instead of boiling soap glue, you can use ready-made soap or soap scraps. In this case, dissolve when heated in a small amount of water and proceed as indicated above.

To obtain soap glue, you can use not fats, but oleic acid. In this case, there is no need to use caustic soda, since saponification can be carried out with soda. Soda solution is prepared and oleic acid is added. In order to be sure that all the oleic acid is bound, more soda is added if necessary. The content of fatty acids in soap powders is very diverse; sometimes some of the fatty acids are replaced with rosin.

With the addition of rosin, one must be very careful, since its excessive addition makes the soap mass too sticky and inconvenient for processing into powder. Cheaper animal fats, such as blubber, bone fat, etc., are also used for washing powders.

Laundry detergent according to Tomsow

Palm oil 10 kg;
Oleic acid 5 kg;
Soda ash 9 kg;
Water 6 l;
Caustic soda solution 30 ° Be 12 kg.

For the sodium hydroxide solution, 30 parts by weight of caustic soda and 90 parts by weight of water are used.

Caustic soda is placed in a cauldron, heated, and oleic acid is poured into the boiling solution, stirring constantly, and saponification occurs immediately. Then palm oil is added and the mixture is heated until uniform saponification occurs, which is recognizable by the appearance of the resulting soapy mass, which should be homogeneous and compact. In addition, this mass should solidify when cooled and be slightly alkaline when tested on the tongue (which is safe) (this method of testing is used among practitioners). After the soap mass has boiled for about 10 minutes, soda is added with constant stirring.

Stirring, which was initially carried out with a wooden stirrer, must from now on be carried out with a shovel. The more soda is added, the more difficult it becomes to stir, since the soapy mass, which was previously liquid, becomes pasty and eventually lumpy.

In large enterprises, special mixers are used for mixing, equipped with strong mental devices and sieves driven by motors. Thanks to the constant stirring and the resulting release of heat, the clods are broken up and a powder is obtained that needs only to be passed through a sieve. Only if you want to get a very fine powder, you need to pass the resulting product through a special mill. If the soap is boiled with live steam, as is usually done, then about 60 parts of condensed water are added to the soap glue, so that the soap powder will contain 35-36% fatty acids.

In the absence of machine tools, the hot doughy soapy mass is poured into wide, shallow molds in which it hardens. Then these large pieces are broken into small pieces and passed through a special mill to obtain soap powder. You can adjust the content of fatty acids as desired by adding more or less soda or water.

If cooking is done on naked fire or in a water bath, then a soap powder with a 39-40% content of fatty acids is obtained, and this percentage can be reduced by adding soda ash or water.

Author: Korolev V.A.

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