Nano composite polyaluminum ferric chloride flocculant and preparation method thereof

A polyaluminum chloride and nanocomposite technology, which is applied in the direction of flocculation/sedimentation water/sewage treatment, etc., can solve the problems of unstable product performance, high chromaticity residue, and high processing cost, and achieves overcoming aluminum ion residue, fast sedimentation, Advanced craftsmanship

Inactive Publication Date: 2013-10-16
SHANDONG ZHONGKETIANZE WATER PURIFICATION MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the shortcomings of the prior art inorganic polymer flocculants that have unstable product performance, large dosage, large amount of sludge, poor effect, high chroma r

Method used

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  • Nano composite polyaluminum ferric chloride flocculant and preparation method thereof
  • Nano composite polyaluminum ferric chloride flocculant and preparation method thereof
  • Nano composite polyaluminum ferric chloride flocculant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Add 90 grams of aluminum trichloride, 10 grams of ferric chloride, and 500 grams of water into a three-necked flask (the weight-number ratio of water does not meet the scope defined in the claims), heat up to 70°C and stir at a stirring speed of 350r / min, after the dissolution is complete, make 40 grams of sodium hydroxide into a 2mol / L solution and slowly add it dropwise into the three-necked flask, continue to heat up to 100°C after the drop, stir at constant temperature for 5 hours, and then pour the liquid into the ultrasonic cleaner (manufactured by Hangzhou Frante Ultrasonic Technology Co., Ltd., model: FR10 series), add 1 gram of 100-mesh graphene to 10 grams of 20% hydrochloric acid for acidification treatment, filter it out after 12 hours and add it to the ultrasonic cleaning machine , turn on the ultrasonic cleaning machine, control the ultrasonic frequency at 100hz, pour out after mixing for half an hour, and then ripen for 24 hours to obtain the nanocomposit...

Embodiment 2

[0030] Add 50 grams of aluminum trichloride, 50 grams of ferric chloride, and 650 grams of water into the three-necked flask, heat up to 60°C and stir at a stirring speed of 300r / min. After the dissolution is complete, configure 30 grams of sodium hydroxide to 2mol After dropping the solution, slowly add it dropwise to a three-necked flask, continue to heat up to 90°C, stir at a constant temperature for 3 hours, then pour the liquid into an ultrasonic cleaner, add 5 grams of 120-mesh graphene to 30 grams of 20% concentration Perform acidification treatment in hydrochloric acid, filter out after 12 hours and add to the ultrasonic cleaner, turn on the ultrasonic cleaner, control the ultrasonic frequency at 50hz, pour it out after mixing for one hour, and then mature for 20 hours to obtain nanocomposite polyaluminum chloride Iron flocculant, the product obtained in this embodiment is represented by NO.2.

Embodiment 3

[0032] Add 90 grams of aluminum trichloride, 10 grams of ferric chloride, and 800 grams of water into the three-necked flask, heat up to 50°C and stir at a stirring speed of 200 r / min. After the dissolution is complete, configure 35 grams of sodium hydroxide to 2mol After dropping the solution, slowly add it dropwise to the three-necked flask, continue to heat up to 90°C, stir at constant temperature for 2 hours, pour the liquid into the ultrasonic cleaning machine, add 5 grams of 200-mesh nano-silica to 20 grams of concentration 20 % hydrochloric acid for acidification treatment, filtered out after 12 hours and added to the ultrasonic cleaning machine, turned on the ultrasonic cleaning machine, controlled the ultrasonic frequency at 80hz, poured it out after 45 minutes, and then aged for 24 hours to obtain nanocomposite polymeric chloride Aluminum-iron flocculant, the product obtained in this embodiment is represented by NO.3.

[0033] The nanocomposite polyaluminium-ferric c...

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Abstract

The invention belongs to the field of water treatment agents, particularly relates to a nano composite polyaluminum ferric chloride flocculant and a preparation method thereof. The flocculant comprises the following raw material components in parts by weight: 5-9 parts of alchlor, 1-5 parts of ferric trichloride, 3-4 parts of sodium hydroxide, 0.1-0.6 part of a nano additive, 50-80 parts of water, and 1-3 parts of hydrochloric acid with the concentration of 20%. The preparation method of the flocculant comprises the following steps: adding alchlor, ferric trichloride and water into a vessel; stirring at a certain speed and at constant temperature; dropwise adding sodium hydroxide solution into the vessel during the stirring; pouring the mixture in the vessel into an ultrasonic cleaner after reaction for a while when the temperature is risen to a certain temperature; adding the nano additive subjected to acidizing treatment; pouring out and slaking the liquid for 24 hours after mixing the liquid by ultrasonic wave for a while, so as to obtain the flocculant. According to the invention, the technological process is simple, and three wastes can not be produced; the flocculant and the preparation method adapt to various waste water processing, and have the characteristics of advanced technology, small investment, low cost, excellent effect and the like.

Description

technical field [0001] The invention belongs to the field of water treatment agents, and in particular relates to a nanocomposite polyaluminium-ferric chloride flocculant and a preparation method thereof. Background technique [0002] my country is one of the countries with poor water resources. The per capita water volume is only 1 / 4 of the world's per capita water volume. With the rapid development of industrial and agricultural production and the rapid increase of people, the water resources that human beings rely on for survival are becoming increasingly scarce. At present, the degree of pollution of my country's water resources is increasing day by day, the types of waste water are gradually increasing, and the difficulty of treatment is increasing. In order to save water resources, reduce the environmental pollution caused by waste water, and maintain the sustained and rapid development of social economy, it is necessary to strengthen the treatment of various waste wat...

Claims

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Application Information

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IPC IPC(8): C02F1/52
Inventor 刘庆运于海宝刘庆硕巩贤峰王国柱耿加强谷城郑萍
Owner SHANDONG ZHONGKETIANZE WATER PURIFICATION MATERIALS
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