Utilization process research of the soap industry acid waste water with high carbonate phosphorite of central Kyzylkum

Sanzharbek Shamuratov,Namazov Shafoat,Umarbek Alimov,Umid Baltaev,Sherzod Kurambaev,Bazar Ibadullaev,D Bazarov

doi:10.1051/e3sconf/202126404079

Sanzharbek Shamuratov, Namazov Shafoat + Show 5 more

Open Access

https://doi.org/10.1051/e3sconf/202126404079

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Abstract

In the study, the process neutralization acid waster water from soapstock processing by high calcareous phosphorite of Central Kyzylkum at temperature 60 ºC by drainless technology was investigated. As a result, digested forms of P2O5 by citric acid and Trilon B in final products were ranged 30.28-50.43 and 25.58-39.93%, respectively. Those types of products can be used under autumn chill.

Highlights

Soap making technology is of particular importance in the oil and fat industry
Soap stock is the main raw material in the production of crude fatty acids (CFA), which is obtained on their basis of detergents, especially laundry soap, pharmaceuticals, cosmetics, lubricants, glycerin, etc
There are two schemes for processing soap stock to obtain fatty acids. These are glutinous and sound modes [1]. They differ in the initial stage of processing, wherein the glue method, the soap stock is first subjected to saponification, and in the case of the sound method, the process includes, after saponification, a salting-out procedure (NaCl), followed by settling and the release of soapy liquor

Summary

Introduction

Soap making technology is of particular importance in the oil and fat industry. at the last stage of alkaline refining of black oil, pasty oily sediment is formed - soap stock. The fact is that cotton soap stock contains saponifiable (neutral fat) and unsaponifiable (waxes, proteins, and dyes) substances that require special attention in technology since all of these substances make up a complex colloidal system of soap stock In this regard, there are two schemes for processing soap stock to obtain fatty acids. They differ in the initial stage of processing, wherein the glue method, the soap stock is first subjected to saponification, and in the case of the sound method, the process includes, after saponification, a salting-out procedure (NaCl), followed by settling and the release of soapy liquor In both methods, after the initial treatment, the saponified raw material undergoes sulfuric acid decomposition, i.e., deoxidation followed by distillation of CFA and cooking soap with the addition of ingredients for the intended purpose. It can be seen that the process as a whole is carried out in the complex alkaline-acid treatment of soap stock

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