Stabilized Biological Detergents Without Titanium Dioxide
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Solution Overview
Problem
The use of titanium dioxide in detergent enzyme granules affects the stability of biological surfactants, leading to their degradation and reduced detergency in solid detergent compositions.
Innovation Solution
A solid detergent composition comprising a mixture of biological surfactants, such as glycolipids and lipopeptides, and enzyme particles that are essentially free of titanium dioxide, thereby improving the stability and detergency of the surfactants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If titanium dioxide is used to whiten enzyme particles, then the whiteness and opacity of detergent ingredients are improved, but the stability of biological surfactants deteriorates due to photocatalytic degradation
Solution Approach 1:
The patent removes titanium dioxide from the enzyme particle coating composition, extracting the harmful photocatalytic component while retaining the whitening function through alternative means. This eliminates the source of photooxidative degradation that was causing surfactant instability.
Solution Approach 2:
The patent introduces alternative whitening agents that do not possess photocatalytic properties, serving as intermediaries to provide the desired optical properties without the harmful effects. These substitutes mediate between the need for whiteness and the need for surfactant stability.
2Shape
If titanium dioxide is applied to enzyme granule surfaces, then the visual appearance and opacity are enhanced, but harmful photooxidation of biological molecules occurs
Solution Approach 1:
The patent extracts and removes titanium dioxide from the coating formulation, eliminating the substance responsible for generating harmful photooxidation while seeking alternative solutions to maintain the desired optical properties of the enzyme granules.
Solution Approach 2:
The patent converts the situation by removing the harmful photocatalytic property entirely rather than trying to mitigate it, transforming a potentially harmful system into a beneficial one where whitening is achieved without photooxidative damage to surfactants.
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
The absence of titanium dioxide in enzyme granules enhances the storage stability and detergency of biological surfactants in solid detergents, making them more effective and sustainable cleaning agents.
Implementation Method 1
titanium dioxide can be used to accelerate oxidative photodegradation of glycolipids. Titanium dioxide acts as a photocatalyst
Implementation Method 2
Photooxidative mineralization of microorganisms-produced glycolipid biosurfactants by a titania-mediated advanced oxidation process
Data Source
AI summary
The invention provides a stabilized solid detergent composition, comprising a biosurfactant selected from glycolipids and lipopeptides; and a plurality of enzyme particles, which are essentially free of titanium dioxide.