Method for preparing polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid

A technology of metatitanic acid waste and polymerized ferrotitanium, which is applied in the directions of titanium compounds, chemical instruments and methods, iron compounds, etc., can solve the problems of high-efficiency polymerization water treatment agents and other problems, and achieve the effect of easy realization and simple production process.

Inactive Publication Date: 2014-11-12
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in domestic and foreign literature databases, there are no relevant literature reports on high-efficiency polymeric water treatment agents prepared from metatitanic acid waste.

Method used

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  • Method for preparing polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid
  • Method for preparing polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid
  • Method for preparing polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Mix 7.5Kg of metatitanic acid waste with 7.5L of water under low-speed stirring of 30 to 80 rpm and room temperature of 20°C to 30°C to obtain a paste. At a stirring speed of 100 rpm to 200 rpm, add 20L of industrial-grade sulfuric acid solution to the above paste, the mass fraction of sulfuric acid solution is 75%, and the temperature is controlled at 90°C to 100°C for sulfuric acid leaching Take the reaction, and the reaction time is 1 hour to obtain the leachate, which is set aside. At a stirring speed of 300 rpm to 800 rpm, add 20 L of water to the above leaching solution to obtain a diluted solution, and then filter at room temperature to obtain a filtrate for later use. At a stirring speed of 300 rpm to 800 rpm, add 17L of industrial-grade sodium hydroxide solution to the above filtrate to adjust the pH. The mass fraction of sodium hydroxide solution is 20%, and the pH value is controlled at 2. -2.5, to get the conditioning solution. At a stirring speed of 100 r...

Embodiment 2

[0026] Mix 7.5Kg of metatitanic acid waste with 7.5L of water under low-speed stirring of 30 to 80 rpm and room temperature of 20°C to 30°C to obtain a paste. At a stirring speed of 100 rpm to 200 rpm, add 18L of industrial-grade sulfuric acid solution to the above paste, the mass fraction of sulfuric acid solution is 75%, and the temperature is controlled at 90°C to 100°C for sulfuric acid leaching Take the reaction, and the reaction time is 1 hour to obtain the leachate, which is set aside. At a stirring speed of 300 rpm to 800 rpm, add 20 L of water to the above leaching solution to obtain a diluted solution, and then filter at room temperature to obtain a filtrate for later use. At a stirring speed of 300 rpm to 800 rpm, add 14L of industrial grade sodium hydroxide solution to the above filtrate to adjust the pH, the mass fraction of sodium hydroxide solution is 20%, and the pH value is controlled at 2 -2.5, to get the conditioning solution. At a stirring speed of 100 re...

Embodiment 3

[0028] Mix 15Kg of metatitanic acid waste with 15L of water under low-speed stirring of 30 to 80 rpm and room temperature of 20°C to 30°C to obtain a paste. At a stirring speed of 100 rpm to 200 rpm, add 22L of industrial grade sulfuric acid solution to the above paste, the mass fraction of sulfuric acid solution is 90%, and the temperature is controlled at 90°C to 100°C for sulfuric acid leaching Take the reaction, the reaction time is 2 hours, obtain the leaching solution, and set aside. At a stirring speed of 300 rpm to 800 rpm, add 25 L of water to the above leaching solution to obtain a diluted solution, and then filter at room temperature to obtain a filtrate for later use. At a stirring speed of 300 rpm to 800 rpm, add 19L of industrial grade sodium hydroxide solution to the above filtrate to adjust the pH. The mass fraction of sodium hydroxide solution is 30%, and the pH value is controlled at 1.5 -2, get the conditioning solution. At a stirring speed of 100 rpm to 300...

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Abstract

The invention provides a method for preparing a polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid and belonging to the technical field of water treatment, wherein waste metatitanic acid, sulphuric acid, sodium hydroxide and additives are taken as raw materials. The method for preparing the polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid comprises the following steps: adding sulphuric acid into paste of waste metatitanic acid, controlling temperature to be 90-100 DEG C, filtering, adding sodium hydroxide into filtrate, adjusting pH to be 0.5-2.5 for obtaining an adjusting solution, carrying out polymerization for 0.1-0.5 hour at room temperature or under heating condition, adding the additives, standing and curing for 5-24 hours at room temperature to obtain a polymerized ferrotitanium water purifying agent liquid product, and solidifying for obtaining a polymerized ferrotitanium water purifying agent solid product. The method for preparing the polymerized ferrotitanium water purifying agent by adopting waste metatitanic acid has the advantages that waste metatitanic acid with high titanium content is utilized for preparing a high-efficiency water treatment reagent with good pollution cleaning and decolorizing performances, the polymerized ferrotitanium water purifying agent can be widely applied to the fields of municipal sewage and industrial wastewater and is especially applicable to removal of pollutants such as sewage chromaticity, organic matters and heavy metals, a preparation technology is simple, and preparation equipment is simple and low in cost.

Description

technical field [0001] The invention relates to a method for preparing a polymerized ferrotitanium water purifier by using metatitanic acid waste, and belongs to the technical field of water treatment. Background technique [0002] Titanium was discovered by Gregor in Cornwall, England in 1791. Its chemical properties are quite stable, it can withstand high temperature, low temperature, strong acid and strong alkali, and has high strength and low density. It is known as "space metal". ". Titanium is rich in reserves, its abundance is 0.63%, and its reserves in the earth's crust are second only to iron, aluminum, and magnesium, ranking fourth. The 10-kilometer-thick layer on the earth's surface contains 6‰ of titanium, 61 times more than copper, and about 16 times more than the sum of the common metals zinc, lead, nickel, and copper. Titanium ores mainly include ilmenite and rutile, which are widely distributed in the crust and lithosphere, and my country's titanium reserve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C01G49/00C01G23/00
Inventor 付英苏漫漫
Owner UNIV OF JINAN
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