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Equipment for the preparation of calcium bicarbonate solutions suitable for water remineralization

A technology of calcium bicarbonate and equipment, applied in the field of preparing calcium bicarbonate solution, capable of solving problems such as large contact tanks or reactors

Inactive Publication Date: 2017-11-21
OMYA INT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] However, the described device and method have the disadvantage that the remineralization of the water and especially the preparation of the calcium bicarbonate solution for the remineralization water is time-dependent and therefore requires large contact tanks or reactors

Method used

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  • Equipment for the preparation of calcium bicarbonate solutions suitable for water remineralization
  • Equipment for the preparation of calcium bicarbonate solutions suitable for water remineralization
  • Equipment for the preparation of calcium bicarbonate solutions suitable for water remineralization

Examples

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Embodiment

[0318] The following examples show different ways of preparing an aqueous solution of calcium bicarbonate (called calcium bicarbonate) using the apparatus of the invention. The calcium bicarbonate solution obtained is then used for the remineralization of soft water, which may be, for example, natural soft water from groundwater or surface water sources, desalinated water from reverse osmosis or distillation, rainfall. Trials using the apparatus of the invention were carried out using two different grades of calcium carbonate as raw materials for the preparation of calcium bicarbonate solutions. Two kinds of CaCO 3 The grades come from the same quarries that produce very high purity marble products with a carbonate content higher than 99.5% by weight. The initial slurry aqueous concentration is 500mg / l or 1,000mg / l, as CaCO 3 express.

[0319] All experiments were performed at room temperature (ie at a temperature between 15 and 25°C). It should be noted that the RO (rever...

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Abstract

The present invention relates to a plant for the preparation of calcium bicarbonate solutions and the use of such a plant for the continuous production of calcium bicarbonate solutions and the use of such a plant for water remineralization.

Description

technical field [0001] The present invention relates to an installation for the preparation of calcium bicarbonate solutions and the use of such installations for the continuous preparation of calcium bicarbonate solutions and the use of such installations for water remineralization. Background technique [0002] Drinking water has become scarce. Even in water-abundant countries, not all water sources and reservoirs are suitable for producing drinking water, and many water sources are today threatened by a dramatic deterioration in water quality. The feed water initially used for drinking purposes is mainly surface water and groundwater. However, for environmental as well as economical reasons, the treatment of seawater, salt water, brackish water, waste water and contaminated effluent is becoming more and more important. [0003] To recover water (for drinking) from seawater or brackish water, several methods are known which are important for arid regions, coastal areas a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/68C01F11/18C01B32/60A23L2/52B01D61/02C02F1/44C02F1/66C02F103/42C02F103/08
CPCA23L2/52A23L2/74C01F11/18C02F1/44C02F1/66C02F1/68C02F2103/08C02F2103/42C02F1/685C02F1/687C02F5/06C02F2301/046C02F2303/08
Inventor M·波菲特M·斯科弗比
Owner OMYA INT AG