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Heavy metal adsorbent prepared from illite, as well as method and application

An illite and adsorbent technology, applied in the field of environmental protection materials, achieves the effects of high heavy metal adsorption capacity, reduced application cost and simple preparation method

Inactive Publication Date: 2017-05-24
ZHENGZHOU YUANRAN BIOLOGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing adsorbents use activated carbon, ZSM-5 and other materials. Due to its own structural limitations, illite is rarely used or used in combination with other materials with excellent adsorption effects.

Method used

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  • Heavy metal adsorbent prepared from illite, as well as method and application

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] In the embodiment of the present invention, a heavy metal adsorbent prepared by illite is composed of the following raw materials in parts by weight: 25 parts of illite, 1 part of nerol, 11 parts of fumaric acid, hydroxypropyl guar 3 parts of bean gum.

[0017] Fumaric acid is mixed with deionized water 4.2 times its mass to prepare a fumaric acid solution; nerol is mixed with 1.2 times its mass of ethanol to prepare a nerol solution. Mix and grind illite and hydroxypropyl guar gum, pass through a 120-mesh sieve, then add fumaric acid solution, then raise the temperature to 132°C and seal and stir at this temperature for 35 minutes, then lower it to 70°C and Ultrasonic treatment at this temperature for 23 minutes, the ultrasonic power is 700W, then dropwise add nerol solution, and then stir at a temperature of 82°C for 83min, then stir at a temperature of 100°C until dry, and then stir at a temperature of 400°C Calcined at high temperature for 3.3h to obtain the adsorb...

Embodiment 2

[0019] In the embodiment of the present invention, a heavy metal adsorbent prepared by illite is composed of the following raw materials in parts by weight: 33 parts of illite, 5 parts of nerol, 19 parts of fumaric acid, hydroxypropyl guar 7 parts of bean gum.

[0020] Fumaric acid is mixed with deionized water 4.2 times its mass to prepare a fumaric acid solution; nerol is mixed with 1.2 times its mass of ethanol to prepare a nerol solution. Mix and grind illite and hydroxypropyl guar gum, pass through a 120-mesh sieve, then add fumaric acid solution, then raise the temperature to 132°C and seal and stir at this temperature for 35 minutes, then lower it to 70°C and Ultrasonic treatment at this temperature for 23 minutes, the ultrasonic power is 700W, then dropwise add nerol solution, and then stir at a temperature of 82°C for 83min, then stir at a temperature of 103°C until dry, and then stir at a temperature of 400°C Calcined at high temperature for 3.3h to obtain the adsor...

Embodiment 3

[0022] In the embodiment of the present invention, a heavy metal adsorbent prepared by illite is composed of the following raw materials in parts by weight: 27 parts of illite, 2 parts of nerol, 13 parts of fumaric acid, hydroxypropyl guar 4 parts of bean gum.

[0023] Fumaric acid is mixed with deionized water 4.2 times its mass to prepare a fumaric acid solution; nerol is mixed with 1.2 times its mass of ethanol to prepare a nerol solution. Mix and grind illite and hydroxypropyl guar gum, pass through a 120-mesh sieve, then add fumaric acid solution, then raise the temperature to 132°C and seal and stir at this temperature for 35 minutes, then lower it to 70°C and Ultrasonic treatment at this temperature for 23 minutes, the ultrasonic power is 700W, then dropwise add the nerol solution, stir at a temperature of 82°C for 83min after the dropwise addition, then stir until dry at a temperature of 102°C, and then stir at a temperature of 400°C Calcined at high temperature for 3...

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Abstract

The invention discloses a heavy metal adsorbent prepared from illite, as well as a method and application. The adsorbent comprises the following raw materials in parts by weight: 25 to 33 parts of illite, 1 to 5 parts of nerol, 11 to 19 parts of a fumaric acid and 3 to 7 parts of hydroxypropyl guar gum. The method comprises the following steps: mixing and grinding the illite and the hydroxypropyl guar gum, adding a solution of the fumaric acid for heating and sealing stirring treatment and cooling ultrasonic treatment, and adding a solution of the nerol dropwise for heating stirring and high-temperature calcination. The prepared adsorbent is wider in pH value application range, and has extremely high heavy metal adsorption capacity even under an acidic condition; the preparation method is simple, and the preparation and subsequent application cost of the adsorbent is reduced; moreover, the raw materials are extensive in source, so that the preconditions for large-scale preparation of the adsorbent are ensured; and the adsorbent is free of secondary pollution and suitable for industrial production, and heavy metals are easy to recover.

Description

technical field [0001] The invention relates to the technical field of environmental protection materials, in particular to a heavy metal adsorbent prepared by utilizing illite, a method and an application. Background technique [0002] Water is one of the resources that human beings rely on for survival, and it is closely related to the sustainable development of society. Today, the wanton destruction of the environment by humans has seriously affected the natural ecosystems of the earth, and the water pollution of heavy metals / heavy metals represented by lead, cadmium and nickel is particularly prominent. At present, the removal methods of heavy metals in water mainly include chemical precipitation method, electric flotation method, ion exchange method, membrane separation method and adsorption method. Among them, the adsorption method has the advantages of quick effect, reproducible recovery, and low probability of secondary pollution. valued. However, the removal effec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/24C02F1/28B01J20/30C02F101/20
CPCB01J20/12B01J20/22B01J20/24C02F1/288C02F2101/20
Inventor 不公告发明人
Owner ZHENGZHOU YUANRAN BIOLOGY TECH CO LTD
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