Glutamate Surfactant Purification via Salt Layer Separation

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Solution Overview

Problem

The existing methods for preparing glutamate-based surfactants are costly and complex, making mass production difficult due to the challenge of effectively removing inorganic salts produced during the manufacturing process.

Innovation Solution

A method involving a chlorination addition reaction of a triglyceride derivative with a glutamic acid salt, followed by layer separation using an acid aqueous solution and a 4% or more inorganic salt aqueous solution to purify the surfactant, simplifying the process and reducing equipment needs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional methods are used to remove inorganic salts during glutamate-based surfactant preparation, then purification is achieved, but the process becomes complex and manufacturing costs increase

Engineering Contradiction:
Improvepurification effectivenessVSAvoidprocess complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent changes the concentration parameter of inorganic salt aqueous solution to 4% or more, which fundamentally alters the purification mechanism. This parameter change enables effective salt removal through simple layer separation without requiring complex purification equipment or multiple processing steps, thus resolving the contradiction between purification effectiveness and process complexity

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent divides the reaction mixture into distinct layers through the addition of acid aqueous solution and inorganic salt aqueous solution. The organic layer containing the surfactant separates from the aqueous layer containing inorganic salts, allowing for simple physical separation. This segmentation approach achieves effective purification without complex processing equipment

Inventive Principle:
Principle #1Segmentation

2Manufacturing precision

If conventional purification methods are used, then inorganic salts are removed, but manufacturing equipment requirements increase and costs rise

Engineering Contradiction:
Improvesalt removal efficiencyVSAvoidmanufacturing cost
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

By setting the inorganic salt aqueous solution concentration at 4% or more, the patent achieves effective salt removal through simple layer separation. This parameter optimization eliminates the need for sophisticated purification equipment, thereby reducing manufacturing costs while maintaining high salt removal efficiency

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The purification process utilizes the inherent density difference between organic and aqueous layers to achieve automatic separation. The system serves itself by leveraging natural physical properties rather than requiring external energy input or complex equipment, thus reducing manufacturing costs while maintaining effective purification

Inventive Principle:
Principle #25Self-service

3Ease of manufacture

If simple purification processes are used, then manufacturing costs are reduced, but purification effectiveness may be compromised

Engineering Contradiction:
Improveprocess simplicityVSAvoidsurfactant purity
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The patent identifies 4% or more inorganic salt aqueous solution concentration as the critical parameter that enables simple layer separation to achieve effective purification. This parameter threshold ensures that even with a simple process, high purification effectiveness is maintained through optimized chemical composition

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The acid aqueous solution and inorganic salt aqueous solution act as intermediaries that facilitate the separation of organic and aqueous layers. These intermediary substances enable simple physical separation while ensuring effective removal of inorganic salts, thus maintaining high surfactant purity through a straightforward process

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This method allows for economical and efficient mass production of high-purity glutamate-based surfactants with excellent physicochemical properties, such as foamability and biodegradability, suitable for diverse applications including cosmetics and detergents, without the need for additional equipment or heating.

Implementation Method 1

adding an acid aqueous solution to the reaction mixture from b) to separate layers

Methodology Applied
Scientific EffectLiquid-liquid extraction: Liquid-Liquid Extraction

Implementation Method 2

adding an acid aqueous solution to the reaction mixture from b) to separate layers

Methodology Applied
Scientific EffectDensity gradient: Density Gradient

Implementation Method 3

purifying an organic layer separated from c) with a 4% or more inorganic salt aqueous solution

Methodology Applied
Scientific EffectDissolution: Solvation

Implementation Method 4

purifying an organic layer separated from c) with a 4% or more inorganic salt aqueous solution to prepare the glutamate-based surfactant

Methodology Applied
Scientific EffectSalt removal: Purification

Data Source

PatentUS10851044B2Method for preparing glutamate-based surfactant
Publication Date: 2020.12.01 AEKYUNG CHEM CO LTD
  • US10851044B2 patent drawing

AI summary

The present invention relates to a method for preparing a glutamate-based surfactant. More specifically, the present invention provides a method for preparing a glutamate-based surfactant, the method being very economical and being capable of mass production of the glutamate-based surfactant.