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Mineralization synthesis method for nano sulfate

A technology of nano-calcium sulfate and sulfate, applied in chemical instruments and methods, calcium/strontium/barium sulfate, nanotechnology, etc., can solve problems such as human health threats and environmental pollution, and achieve high practical value, environmental friendliness, fast breeding effect

Inactive Publication Date: 2017-03-22
天津尼诺科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the process of synthesizing nanomaterials by physical and chemical methods is relatively mature, such methods are accompanied by pollution to the environment and threats to human health.

Method used

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  • Mineralization synthesis method for nano sulfate
  • Mineralization synthesis method for nano sulfate
  • Mineralization synthesis method for nano sulfate

Examples

Experimental program
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Effect test

Embodiment 1

[0030] Take 10 grams of sodium thiosulfate, 1.2 grams of disodium hydrogen phosphate, 1.8 grams of potassium dihydrogen phosphate, 0.1 grams of magnesium sulfate heptahydrate, 0.1 grams of ammonium sulfate, 0.02 grams of ferric chloride, and 0.02 grams of manganese sulfate in 1000 ml of deionized Make a solution in water; divide the solution evenly into 5 Erlenmeyer flasks and seal them; put the Erlenmeyer flasks into a sterilizer, sterilize at 121°C for 100 minutes, and cool to room temperature. For aseptic operation, insert 5 ml of the third-generation Thiobacillus thioexhausen into each bottle, culture it in a constant temperature shaker at 170rpm and 30°C for 6-8 days, and take it out; inject 30ppm of hydrogen sulfide gas into each Erlenmeyer flask for half the time. Hours, let stand for 12 to 24 hours; filter to obtain the filtrate. Take 10 grams of CaCl 2 2H 2 O, join in the filtrate to react, produce a large number of white precipitates, filter and dry to get nanomete...

Embodiment 2

[0032] Take 8 grams of sodium thiosulfate, 1.1 grams of disodium hydrogen phosphate, 1.5 grams of potassium dihydrogen phosphate, 0.2 grams of magnesium sulfate heptahydrate, 0.05 grams of ammonium sulfate, 0.01 grams of ferric chloride, and 0.01 grams of manganese sulfate in 1000 ml of deionized In water, make a solution; divide the solution evenly into 5 Erlenmeyer flasks and seal them; put the Erlenmeyer flasks into a sterilizer, sterilize at 121°C for 100 minutes, and cool to room temperature. For aseptic operation, insert 5 ml of the third-generation Thiobacillus thioexhausen into each bottle, culture it in a constant temperature shaker at 170rpm and 30°C for 6-8 days, and take it out; inject 30ppm of hydrogen sulfide gas into each Erlenmeyer flask for half the time. Hours, let stand for 12 to 24 hours; filter to obtain the filtrate. Take 10 grams of CaCl 2 2H 2 O, join in the filtrate to react, produce a large number of white precipitates, filter and dry to get nanomet...

Embodiment 3

[0034] Take 11 grams of sodium thiosulfate, 1.3 grams of disodium hydrogen phosphate, 2.0 grams of potassium dihydrogen phosphate, 0.3 grams of magnesium sulfate heptahydrate, 0.2 grams of ammonium sulfate, 0.03 grams of ferric chloride, and 0.03 grams of manganese sulfate in 1000 ml of deionized In water, make a solution; divide the solution evenly into 5 Erlenmeyer flasks and seal them; put the Erlenmeyer flasks into a sterilizer, sterilize at 121°C for 100 minutes, and cool to room temperature. For aseptic operation, insert 5 ml of the third-generation Thiobacillus thioexhausen into each bottle, culture it in a constant temperature shaker at 170rpm and 30°C for 6-8 days, and take it out; inject 30ppm of hydrogen sulfide gas into each Erlenmeyer flask for half the time. Hours, let stand for 12 to 24 hours; filter to obtain the filtrate. Take 10 grams of CaCl 2 2H 2 O, join in the filtrate to react, produce a large number of white precipitates, filter and dry to get nanomet...

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Abstract

The invention discloses a mineralization synthesis method for nano sulfate. The method comprises the steps of 1) obtaining a bio-reaction filter liquor: a, preparing a B component: dissolving 8-11g of sodium thiosulfate, 1.1-1.3g of disodium hydrogen phosphate, 1.5-2.0g of monopotassium phosphate, 0.1-0.3g of magnesium sulfate heptahydrate, 0.05-0.2g of ammonium sulfate, 0.01-0.03g of ferric chloride, and 0.01-0.03g of manganese sulfate in 1,000ml of de-ionized water to prepare a mixed solution; putting the mixed solution into a sterilization pot for performing sterilization at 110-135 DEG C for 80-120 minutes, and performing cooling to the room temperature for later use; b, obtaining the filter liquor: inoculating 2-8ml of second to fourth-generation thiobacillusthioparus stored after activation based on each 200ml of a B component solution, performing culture in a constant-temperature shaking table with the speed of 170-200rpm and the temperature of 28-30 DEG C for 6-8 days, and taking out a culture; introducing hydrogen sulfide, performing standing for 12-24 hours, and filtering a reaction solution to obtain the filter liquor; and 2) performing mineralization synthesis of nano calcium sulfate: adding 1-10g of CaCl2.2H2O to the filter liquor, and performing full stirring to obtain nano calcium sulfate.

Description

technical field [0001] The invention relates to a method for mineralizing and synthesizing nano sulfate. Background technique [0002] There are several methods for the synthesis of nanomaterials, including physical, chemical, and biological methods. The preparation of nanomaterials by physical methods often requires larger instruments and equipment, and the cost is high, and the particle size distribution of the prepared nanomaterials is wide; the nanomaterials prepared by chemical methods often have residual impurities. [0003] Although the process of synthesizing nanomaterials by physical and chemical methods is relatively mature, such methods are accompanied by pollution to the environment and threats to human health. In recent years, people have paid more and more attention to the research of biosynthetic nanomaterials; biosynthetic nanotechnology has the characteristics of high efficiency, environmental protection, and controllability, and has become a frontier topic...

Claims

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Application Information

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IPC IPC(8): C12P3/00C01F11/46B82Y40/00
CPCC01F11/464C01P2002/82C01P2004/03C12P3/00
Inventor 荣辉李杨王海良张磊王雪平杨久俊
Owner 天津尼诺科技有限公司
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