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A kind of drinking water mineralizer, its preparation method and use method

A mineralizer, drinking water technology, applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc. Solving the effect of low pH and avoiding excessive strontium dissolution

Active Publication Date: 2022-07-19
YANGZHOU POLYTECHNIC INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the reverse osmosis membrane for CO 2 No removal ability, resulting in acidic effluent, long-term drinking will affect human health
[0004] Most of the existing mineralizers for drinking water use natural minerals. However, natural minerals have complex components, and they often dissolve heavy metals and radioactive substances while leaching beneficial elements.
In addition, with the increase of soaking time, the dissolution concentration will be too high and the pH of drinking water will be too high. Long-term drinking will affect human health.
There are also studies using artificially compounded mineralizers to supplement beneficial elements in drinking water, but they often cannot solve the problem that the concentration of elements in drinking water exceeds the drinking water standard after long-term soaking

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 500 mL of weakly acidic cation exchange resin was placed in a glass fixed bed with a diameter of 2 cm, and 0.5 mol / L hydrochloric acid was passed from top to bottom at a flow rate of 200 mL / min. After 10 minutes, deionized water was passed in at a flow rate of 10 mL / min, and the deionized water was rinsed after 30 minutes. At this time, the pH of the effluent was 6.7. Then, a strontium chloride solution with a concentration of 1 mol / L was passed in at a flow rate of 150 mL / min. After passing through for 10 min, the strontium chloride concentration of the effluent solution reached 0.97 mol / L, and the process was completed. Water was introduced into the resin after the strontium solution was introduced at a flow rate of 200 mL / min, until the strontium concentration in the effluent of the resin was 0.09 mol / L.

[0026] 500 mL of strontium resin was placed in a PP filter bottle with an inner diameter of 4 cm, and reverse osmosis pure water with a pH of 4.8 was passed throug...

Embodiment 2

[0028] 500 mL of weakly acidic cation exchange resin was placed in a glass fixed bed with a diameter of 2 cm, and 0.5 mol / L hydrochloric acid was passed from top to bottom at a flow rate of 200 mL / min. After 10 minutes, deionized water was passed in at a flow rate of 10 mL / min, and the deionized water was rinsed after 30 minutes. At this time, the pH of the effluent was 6.7. Then, a strontium chloride solution with a concentration of 1.0 mol / L was passed in at a flow rate of 100 mL / min, and after 25 min, the strontium chloride concentration of the effluent solution reached 0.9 mol / L, and the process was completed. Water was introduced into the resin after the strontium solution was introduced at a flow rate of 250 mL / min, until the strontium concentration in the effluent of the resin was 0.06 mol / L.

[0029] Put 250 mL of strontium resin in a PP filter bottle with an inner diameter of 4 cm, and pour reverse osmosis pure water with a pH of 4.46 at a flow rate of 20 times the vo...

Embodiment 3

[0031] 500 mL of strongly acidic cation exchange resin was placed in a glass fixed bed with a diameter of 2 cm, and 0.5 mol / L hydrochloric acid was passed from top to bottom at a flow rate of 200 mL / min. After 10 minutes, deionized water was passed in at a flow rate of 10 mL / min, and the deionized water was rinsed after 30 minutes. At this time, the pH of the effluent was 6.7. Then, a strontium chloride solution with a concentration of 1.5 mol / L was passed in at a flow rate of 300 mL / min, and after 40 min, the strontium chloride concentration of the effluent solution reached 0.85 mol / L, and the process was finished. Water was introduced into the resin after the strontium solution was introduced at a flow rate of 500 mL / min, until the strontium concentration in the effluent of the resin was 0.05 mol / L.

[0032] Put 250 mL of strontium resin in a PP filter bottle with an inner diameter of 4 cm, and pour reverse osmosis pure water with a pH of 5.02 at a flow rate of 5 times the v...

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Abstract

The invention discloses a drinking water mineralizer, a preparation method and a use method thereof. The drinking water mineralizer includes resin and strontium ions supported on the resin; the preparation method includes the following steps: (A1) adding resin to the resin. A strontium solution is introduced into it; (A2) water is introduced into the resin after the introduction of the strontium solution to prepare the drinking water mineralizer. The use method of the above-mentioned drinking water mineralizer, comprising the following steps: (B1) placing the drinking water mineralizer in a container with upper and lower openings, and placing a shield at the open end; (B2) placing the drinking water mineralizer with The container is placed near the water end of the reverse osmosis membrane, and the flow rate of the water entering the container is adjusted to obtain strontium-rich mineralized water. The drinking water mineralizer of the invention can not only ensure the stable dissolution of strontium, but also avoid the excessive dissolution of strontium caused by long-term soaking, and also solve the problem of low pH of pure water prepared by reverse osmosis.

Description

technical field [0001] The present invention relates to a mineralizer, its preparation method and use method, in particular to a drinking water mineralizer, its preparation method and use method. Background technique [0002] Strontium is a trace element needed by the human body, which can regulate the structure of bone tissue, improve the strength of bone, and promote the physiological activity of bone cells. In addition, strontium can prevent cardiovascular disease, prevent caries, antioxidant, anti-aging, beauty and beauty. Supplementing trace elements can be done through food health care and medicine. However, this approach often has a lag, and it is difficult to play a preventive effect. In addition, related formulations are generally more expensive. [0003] Water is an essential nutrient and a carrier of other nutrients, especially trace minerals. With the improvement of people's living standards, consumers' demand for drinking water is gradually changing from cle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/68C02F1/42
CPCC02F1/68C02F1/42C02F2001/425
Inventor 肖伽励周龙生王升文金党琴王道亮黄佳庆
Owner YANGZHOU POLYTECHNIC INST
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