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A slow-release mineral soaking unit for drinking water

[Category : - HEALTH]
[Viewed 70 times]

This invention provides a slow-release mineral immersion unit for drinking water, aiming to address the existing limitations of convenient, economical, and safe addition of beneficial trace elements to drinking water. The unit consists of a porous sintered body, characterized by being sintered from a specialized composite material. This composite material uses white corundum, mineral sand, or silicon carbide as a structural matrix to create a strong porous framework. Calcined oyster shell powder and magnesium oxide are added as mineral sources, while borosilicate glass powder is used as a sintering aid to optimize strength and pore structure. Its core innovation lies in the unique material combination and a two-step post-processing technique: after sintering, the unit is immersed in a potassium bicarbonate solution to introduce potassium, and a zinc gluconate layer is coated on its surface to provide zinc. Through ion exchange and slow dissolution, it steadily and continuously releases essential trace elements such as calcium (Ca²?), magnesium (Mg²?), potassium (K?), and zinc (Zn²?), achieving gentle mineralization of drinking water. The unit has the advantages of stable release, long service life, high safety and easy use.

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The invention is situated within the global shift toward cost-effective health enhancement, sustainability, and household water quality improvement. Rising consumer awareness of mineral intake and hydration quality has driven demand for mineralized drinking water, while at the same time increasing concern over the environmental burden and recurring cost of bottled mineral water. Conventional alternatives—such as bottled water, countertop filters, or electrically powered water ionizers—either generate significant plastic waste, require high upfront investment, or incur ongoing energy and maintenance costs.

This invention addresses these economic inefficiencies by providing a passive, reusable, and electricity-free mineralization solution. By employing a porous sintered ceramic body that steadily releases calcium, magnesium, potassium, and zinc through controlled dissolution and ion exchange, the unit offers long service life with minimal user intervention. This significantly lowers the total cost of ownership per liter of treated water compared with bottled mineral water or active treatment devices.

From a manufacturing perspective, the invention leverages abundant, low-cost raw materials, including calcined oyster shell powder (a recycled marine by-product), magnesium oxide, and common ceramic substrates. This not only stabilizes raw material costs but also converts waste resources into value-added consumer products, aligning with circular economy and waste valorization policies. The compatibility of the design with standard ceramic pressing and sintering processes further reduces capital barriers and enables scalable mass production.

In the marketplace, the product is well positioned for home use, outdoor activities, emergency preparedness, and regions lacking reliable access to mineralized drinking water. Its compact form and ease of use allow it to complement existing bottles or containers, expanding distribution channels without requiring changes to consumer behavior. Additionally, its alignment with ESG, plastic reduction, and low-carbon consumption trends enhances brand value and regulatory acceptance.

Overall, the invention delivers a low-cost, sustainable, and durable alternative to conventional mineral water solutions, transforming mineral supplementation from a recurring consumable expense into a long-term, reusable household accessory, thereby creating clear economic and environmental advantages.

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polochung (Taiwan)

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