Unlock instant, AI-driven research and patent intelligence for your innovation.

Preparation method for aluminium-doped barium iron phosphate

A technology of barium iron phosphate and aluminum doping, applied in chemical instruments and methods, phosphorus compounds, food preservation, etc., can solve the problems of unseen technology or product reports or sales, and no discovery, etc., and achieve low production cost and low production cost. bottom cost effect

Inactive Publication Date: 2012-09-19
何丽萍
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After searching for published patents, Internet information, books, periodicals, magazines, market research, etc., no patent documents identical to the technical products of the present invention have been found, and no reports or sales of the technology or products of the present invention have been seen.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The method for preparing aluminum-doped barium iron phosphate of the present invention is characterized in that the raw materials of the barium source, iron source and phosphate root source are in accordance with the chemical formula Ba(FePO 4 ) 2 Measured in mol ratio; doping element source, calculated based on the weight of barium iron phosphate that can be theoretically produced, and adding doping elements in the range of 0.1-5% by weight; after mixing, in ethanol medium, rotating speed 200-800r / mimn High-speed ball milling for 15-20h and drying at 105-120℃ to obtain the precursor. Place the dried precursor in a high-temperature furnace and calcinate at 300-450℃ for 2-4h in a nitrogen atmosphere. Invented aluminum-doped barium iron phosphate products;

[0012] The barium source is one of barium carbonate, barium hydroxide, barium chloride, barium nitrate, barium oxide, and barium sulfide; the iron source is ferrous oxalate, ferric chloride, ferric chloride, iron oxide, e...

Embodiment 2

[0016] Selection: Barium carbonate (BaCO3) (99.8%), ferrous oxalate (FeC2O4.2H2O) (99.06%), diammonium hydrogen phosphate (NH4H2PO4) (98%) as raw materials; according to the chemical formula Ba(FePO) 4 ) 2 The dopant element source is calculated based on the weight of barium iron phosphate that can be generated theoretically, and the dopant element aluminum is added according to 1% (weight percentage). The aluminum source is aluminum hydroxide (Al(OH)3) ( 98%); After mixing, in anhydrous ethanol medium, rotating speed 200-800r / mimn high-speed ball milling for 15-20h, drying at 105-120℃ to obtain the precursor, and placing the dried precursor in a high temperature furnace The aluminum-doped barium iron phosphate product of the present invention can be obtained by calcination at a high temperature of 300-450°C for 2-4 hours in a nitrogen atmosphere.

Embodiment 3

[0018] Selection: Barium carbonate (BaCO3) (99.8%), ferrous oxalate (FeC2O4.2H2O) (99.06%), diammonium hydrogen phosphate (NH4H2PO4) (98%) as raw materials; according to the chemical formula Ba(FePO) 4 ) 2 The dopant element source is calculated based on the weight of barium iron phosphate that can be generated theoretically, and the dopant element aluminum is added according to 0.5% (weight percentage). The aluminum source is aluminum hydroxide (Al(OH)3) ( 98%); After mixing, in anhydrous ethanol medium, rotating speed 200-800r / mimn high-speed ball milling for 15-20h, drying at 105-120℃ to obtain the precursor, and placing the dried precursor in a high temperature furnace The aluminum-doped barium iron phosphate product of the present invention can be obtained by calcination at a high temperature of 300-450°C for 2-4 hours in a nitrogen atmosphere.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a preparation method for aluminium-doped barium iron phosphate, and the chemical formula of the barium iron phosphate is Ba(FePO4)2. The preparation method comprises the steps of metering raw materials of barium source, iron source and phosphate radical source according to mol ratio of the chemical formula Ba(FePO4)2; calculating doping element source according to weight of theoretically generable barium iron phosphate, and calculating added doping element according to weight percentage in the 0.1-5 percent range; and mixing, conducting ball grinding at high speed for 15-20h in ethanol medium, drying at 105-120 DEG C to obtain a precursor, placing the dried precursor in a high-temperature furnace, and conducting high-temperature calcination at 300-450 DEG C for 2-4h in nitrogen atmosphere to obtain the product. The aluminium-doped barium iron phosphate is mainly used as reducing agent, deoxidant and food preservative; raw materials of electronic elements and batteries, and additive for smelting, alloy production and glass production and the like; and the preparation method has the characteristics of abundant raw materials, low cost, environment-friendliness and non-pollution, and the like.

Description

Technical field [0001] The aluminum-doped barium iron phosphate of the present invention belongs to a new material. Background technique [0002] At present, no reports and records of barium iron phosphate compounds have been found. After searching public patents, Internet information, books, magazines, and market research, no patent documents identical to the technical product of the present invention were found, and no reports or sales of the technology or product of the present invention were found. Summary of the invention [0003] The purpose of the present invention is to provide a method for preparing aluminum-doped barium iron phosphate. [0004] The method for preparing aluminum-doped barium iron phosphate of the present invention is characterized in that its chemical formula is: Ba(FePO 4 ) 2 , The raw materials of its barium source, iron source, and phosphate source, according to the chemical formula Ba(FePO 4 ) 2 Measured in the mol ratio; doping element source, based o...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/45A23L3/3436H01M4/58
CPCY02E60/12Y02E60/10
Inventor 张健吴润秀王晶张雅静李杰李安平李先兰何丽萍
Owner 何丽萍