Solid Antifoaming Agent via Saponification for Wastewater
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Solution Overview
Problem
Conventional liquid antifoaming agents clog equipment and require higher quantities to maintain effectiveness in wastewater treatment, leading to increased operational costs and labor due to their thick consistency and difficulty in controlling foam elimination.
Innovation Solution
A solid antifoaming agent is developed through a manufacturing method involving a saponification reaction with a sodium hydroxide solution, vegetable oil, and a silicone antifoaming agent, combined with agar and powdered activated carbon to create a stable, solid form that eliminates the drawbacks of liquid agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If liquid antifoaming agents are used, then foam elimination effect is achieved, but equipment clogging occurs and operational complexity increases
Solution Approach 1:
The patent changes the physical state parameter of the antifoaming agent from liquid to solid form. This fundamental parameter change resolves the contradiction by maintaining the foam elimination effectiveness while eliminating the clogging issue associated with liquid formulations, as solid agents do not create the same viscous flow problems in pumps and pipes.
Solution Approach 2:
The patent creates a composite solid antifoaming agent by combining solidified antifoaming components with carriers such as paraffin wax, microemulsions, or other solid matrices. This composite structure maintains the active antifoaming ingredients while presenting a solid physical form that prevents equipment clogging and improves handling characteristics.
2Reliability
If higher quantity of antifoaming agents is used to maintain effectiveness over distance, then foam suppression is maintained, but operation cost increases
Solution Approach 1:
By changing from liquid to solid form, the patent enables more efficient dosing and distribution. Solid antifoaming agents can be precisely metered and distributed, reducing waste and the need for excessive quantities. The solid form also allows for better stability and longer-lasting effectiveness, reducing the frequency and quantity of applications needed.
3Reliability
If liquid antifoaming agents are used, then foam elimination is achieved, but control precision over foam elimination effect decreases
Solution Approach 1:
The solidification of the antifoaming agent enables precise control over its physical and chemical parameters such as melting point, hardness, and solubility. This allows for more accurate dosing, storage, and application control, improving the precision with which foam elimination can be managed compared to liquid formulations that are harder to control and dose accurately.
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 solid antifoaming agent reduces equipment clogging, minimizes the required amount of antifoaming agents, lowers operational costs, and enhances control over foam elimination, resulting in more efficient and cost-effective wastewater treatment.
Implementation Method 1
adding an oil to the alkaline solution to produce a saponification reaction
Data Source
AI summary
A method for producing a solid antifoaming agent comprising the following steps: providing an alkaline solution; adding an oil to the above alkaline solution to produce a saponification reaction; adding a liquid antifoaming agent; and putting aside the mixture containing the above alkaline solution, the oil and the liquid antifoaming agent to form the solid antifoaming agent. The ingredients of the solid antifoaming agent according to the present invention include 5˜40 weight percent vegetable oil, a 20˜40 weight percent sodium hydroxide solution and a 30˜60 weight percent liquid antifoaming agent.