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A process for the preparation of natural salt formulations for seawater substitution, mineral fortification

A natural salt and seawater technology, applied in chemical instruments and methods, botanical equipment and methods, food preparation, etc., can solve the problem of expensive products

Inactive Publication Date: 2014-06-25
COUNCIL OF SCI & IND RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another disadvantage of these sources is that these products with said composition are always expensive
The price to get them is in the range of 45-70USD per 150-200 gallons of seawater, which creates an additional cost of Rs 2 / litre compared to the cost of natural seawater

Method used

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  • A process for the preparation of natural salt formulations for seawater substitution, mineral fortification
  • A process for the preparation of natural salt formulations for seawater substitution, mineral fortification
  • A process for the preparation of natural salt formulations for seawater substitution, mineral fortification

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0099] Composition of 10m3 as Ca 2+ = 0.1% (weight / volume), Mg 2+ =0.27% (weight / volume), Na + = 2.3% (weight / volume), SO 4 2- =0.54% (weight / volume), Cl - =4.1% (weight / volume), K + = 0.08% (w / v) of sea water (7.2°Bé) was transferred to two pots of the same size each having 12m x 2m x 0.23m. These pans are lined with 250 micron LDPE sheet. Seawater was subjected to solar evaporation until 25°Bé.

[0100] a. At 25°Bé, separate 48kg into Ca 2+ = 20.02% (w / w), Mg 2+ = 0.37% (w / w), Na + = 1.1% (w / w), SO 4 2- =52.27% (w / w), Cl - = 2.97% (w / w), K = trace amount of salt as Fraction-I.

[0101] b. The saturated brine at 25°Bé was transferred to another pot of the same size lined with LDPE sheet and subjected to solar evaporation until 28.5°Bé. Make 545kg composed of Ca 2+ = 0.1% (w / w), Mg 2+ = 0.35% (w / w), Na + =38.6% (weight / weight), SO4 2- = 0.62% (w / w), Cl - =59.3% (w / w), K + =Traces of salt crystallized in the second pot and collected as Fraction-II.

[0102]...

Embodiment 2

[0104] Will 5 m3 have Ca 2+ = 0.03% (weight / volume), Mg 2+ = 0.11% (weight / volume), Na + =0.88% (weight / volume), K + =0.03% (weight / volume), SO 4 2- = 0.22% (weight / volume) and Cl - = 1.58% (wt / vol) of seawater with a density of 2.9°Bé was transferred to a solar pot of size 12m x 2m x 0.23m lined with a 250 micron LDPE sheet and allowed to evaporate until 25°Bé.

[0105] a. At 25°Bé, harvest 6kg composed of Ca 2+ = 21.0% (w / w), Mg 2+ = 0.08% (w / w), Na + = 1.1% (w / w), SO 4 2- =52.5% (w / w), Cl - = 2.8% (w / w), K = trace amount of salt as Fraction-I.

[0106] b. Transfer the saturated brine (25°Bé) to another pot of the same size (12m x 2m x 0.23m) lined with a LDPE sheet. Allow this 25°Bé saturated seawater to evaporate until 28.5°Bé and obtain 110kg composed of Ca 2+ = 0.18% (w / w), Mg 2+ = 0.37% (w / w), Na + = 38.6% (w / w), SO 4 2- = 0.62% (w / w), Cl - =59.3% (w / w), K + =Traces of salt as Fraction-II.

[0107] c. The sea brine of 28.5° Bé density remaining after...

Embodiment 3

[0110] Will 5 m3 have Ca 2+ = 0.05% (weight / volume), Mg 2+ = 0.15% (weight / volume), Na + = 1.3% (weight / volume), SO 4 2- =0.3% (weight / volume), Cl - =2.35% (weight / volume), K + = 0.047% (w / v) of seawater with a density of 4.22° Bé was transferred to a pot of dimensions 12m x 2m x 0.23m suitably lined with a 250 micron LDPE sheet.

[0111] a. Allow seawater to evaporate until 25°Bé. Harvest 11kg composed of Ca 2+ = 21.9% (w / w), Mg 2+ = 0.08% (w / w), Na + = 1.1% (w / w), SO 4 2- =51.5% (w / w), Cl - = 2.8% (w / w), K + = Trace amount of salt as Fraction-I.

[0112] b. Transfer the saturated brine (25°Bé) to another pot of the same size (12m x 2m x 0.23m) lined with a LDPE sheet. This 25°Bé saturated seawater was allowed to evaporate until 28.5°Bé. Transfer this brine with a density of 28.5° Bé to the previous pot and obtain 160 kg of composition Ca 2+ = 0.15% (w / w), Mg 2+ = 0.37% (w / w), Na + = 38.6% (w / w), SO 4 2- = 0.62% (w / w), Cl - =59.3% (w / w), K + =Traces of s...

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Abstract

The present invention relates to natural crude salt formulations arid their cost-effective preparation. In particular, the invention discloses the fractionation of seawater into three fractions which can thereafter be suitably combined to reconstitute seawater in its pristine form for its various applications such as growth of marine microbes, flora and fauna in a marine environment, especially where such environments have to be created in locations far removed from the sea and / or where there is a requirement to modify the composition of seawater to better its performance. The fractions can also be blended appropriately to exclude the major constituent, namely sodium chloride, and thereby be useful for mineralization / re-mineralization of waters which are deficient in mineral nutrients such as calcium, magnesium, potassium, sulphate and bicarbonate including rain water and desalinated waters obtained through thermal / RO desalination. The invention can be practised most cost-effectively in solar salt works operated on sea brine.

Description

technical field [0001] The present invention relates to a process for the preparation of seawater replacement, mineral fortified natural salt formulations. More specifically, the present invention relates to the solar evaporation of seawater and its fractionation into three fractions which can be suitably mixed to obtain the desired solid composition. These solid formulations are suitable for easy transport and can be used on the one hand in aquariums, in the cultivation of seaweed / marine microorganisms and furthermore in other marine applications requiring the use of seawater, especially where seawater is not available nearby, and on the other hand in low TDS ( total dissolved solids) in water fortification and related applications. Background technique [0002] Seawater is a storehouse of chemicals, containing more than 73 elements in dissolved form. Coastal areas have abundant sea water while inland areas have no sea water. However, the latter area may also require sea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01D3/06A01G33/00A01K63/04C02F1/68C01F11/18C01F11/46A23L1/304A23L2/52A23L27/40
CPCC02F1/68C01F11/18C01F11/46A23K1/1753A01G33/00C01D3/06A23L1/304A23K1/1751A23L2/52Y02W10/37A23K20/22A23K20/24A23L33/16Y02P20/133B01D1/0017B01D1/0035C12N1/12C12N1/20
Inventor P·K·戈施S·C·厄帕德海伊S·C·米施拉V·P·莫汉达斯D·N·斯里瓦斯塔瓦V·K·沙西R·J·桑哈维S·桑皮B·S·马克瓦纳I·潘查R·帕尔R·森
Owner COUNCIL OF SCI & IND RES
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