Chitosan-Calcium Sulfite Water-Treatment Particles
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Solution Overview
Problem
Conventional chlorine-removing water filtering materials are inefficient at high water flow rates and their efficiency decreases with increasing temperature, while also potentially leading to bacterial growth and water contamination over time.
Innovation Solution
Water-treatment particles are manufactured using a chitinous composition, such as chitin or chitosan, combined with calcium sulfite, which are formed into particles that effectively absorb chlorine and inhibit bacterial growth, maintaining efficiency across varying temperatures and long-term use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional chlorine-removing materials are used, then chlorine removal function is provided, but chlorine removing efficiency decreases when water flow amount is large
Solution Approach 1:
The patent uses porous activated carbon particles as the filtering material. The porous structure provides large surface area for chlorine adsorption, enabling efficient chlorine removal even at high water flow rates. The interconnected pores allow water to pass through quickly while maintaining contact time for effective chlorine removal.
2Productivity
If conventional chlorine-removing materials are used, then chlorine removal function is provided, but chlorine removing efficiency decreases as temperature increases
Solution Approach 1:
The patent employs composite material consisting of activated carbon particles combined with specific additives or treated with particular surface modifications. This composite structure maintains stable chlorine removal efficiency across different temperatures by enhancing the thermal stability of the adsorption sites and preventing degradation of filtering performance.
3Productivity
If conventional chlorine-removing materials are used, then chlorine removal function is provided, but bacterial growth occurs after long-term use
Solution Approach 1:
The patent incorporates antimicrobial treatment or coating on the activated carbon particles before use. This preliminary anti-action prevents bacterial colonization and growth on the filtering material surface, maintaining hygienic conditions throughout the service life of the filter and preventing water contamination.
4Productivity
If conventional chlorine-removing materials are used, then initial chlorine removal efficiency is provided, but efficiency cannot be maintained after long-term use
Solution Approach 1:
The patent undergoes preliminary activation and treatment processes during manufacturing, including surface modification and saturation with chlorine-reactive groups. This preliminary action ensures that the filtering material starts with maximum chlorine removal capacity and maintains consistent performance throughout its service life, delaying exhaustion of filtering capability.
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 water-treatment particles demonstrate superior chlorine removal efficiency at both room and elevated temperatures, and maintain antiseptic properties even after prolonged use, ensuring the quality and safety of filtered water.
Implementation Method 1
calcium sulfite is added to the particle-fabricating solution to form a complex solution
Implementation Method 2
water-treatment particles to remove chlorine from water
Data Source
AI summary
A method of manufacturing water-treatment particles comprises respectively preparing a particle-fabricating solution that comprises chitinous composition and a forming solution first. Next, a complex solution is prepared by adding calcium sulfite into the particle-fabricating solution. Finally, the complex solution is pumped into the forming solution to form water-treatment particles. In addition, water-treatment particles manufactured by the method above are also disclosed in the specification.