Magnetic adsorbent and preparation method thereof

A magnetic adsorbent and adsorbent technology, applied in chemical instruments and methods, adsorption water/sewage treatment, other chemical processes, etc., can solve problems such as easy loss, high use cost, and difficult regeneration

Active Publication Date: 2021-05-14
FUZHOU UNIVERSITY
View PDF5 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The adsorption method has attracted much attention because of its simple operation, high treatment efficiency and reproducibility. However, most adsorbents have problems such as diff

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Magnetic adsorbent and preparation method thereof
  • Magnetic adsorbent and preparation method thereof
  • Magnetic adsorbent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0020]Example 1:

[0021]Magnetic biospace adsorbent and preparation method thereof, including the following steps:

[0022](1) Preparation of carboxylated Fe by solvent heat3O4Magnetic nanoparticles. Weigh 0.4 g sodium citrate, 2.70 gfecl3· 6h2O and 7.40 g of ammonium acetate in a 250 mL three flask, then in 75 mL of ethylene glycol, ultrasonic treatment of 30 min to obtain a yellow mixture solution, transfer three flasks to the oil bath, access N2, Heated to 170 ° C, the constant temperature was stirred for 1 h, and the reddish brown solution was obtained. The solution was then transferred to the reaction kettle and reacted in an oven at 200 ° C for 16 h. After the reaction was completed, the reactor was taken out to room temperature, and the product was separated by the magnet, and the washed product was carried out three times with ethanol and water, and the washed product was vacuumped at 50 ° C for 24 h.

[0023](2) Preparation of a magnetic adsorbent: Preparation of 1.2 G mass fractio...

Example Embodiment

[0025]Example 2:

[0026]Magnetic biospace adsorbent and preparation method thereof, including the following steps:

[0027](1) Preparation of carboxylated Fe by solvent heat3O4Magnetic nanoparticles. Weigh 0.4 g sodium citrate, 2.70 gfecl3· 6h2O and 7.40 g of ammonium acetate in a 250 mL three flask, then in 75 mL of ethylene glycol, ultrasonic treatment of 30 min to obtain a yellow mixture solution, transfer three flasks to the oil bath, access N2, Heated to 170 ° C, the constant temperature was stirred for 1 h, and the reddish brown solution was obtained. The solution was then transferred to the reaction kettle and reacted in an oven at 200 ° C for 16 h. After the reaction was completed, the reactor was taken out to room temperature, and the product was separated by the magnet, and the washed product was carried out three times with ethanol and water, and the washed product was vacuumped at 50 ° C for 24 h.

[0028](2) Preparation of a magnetic adsorbent: Preparation of 1.2 G mass fractio...

Example Embodiment

[0030]Example 3:

[0031]Magnetic biospace adsorbent and preparation method thereof, including the following steps:

[0032](1) Preparation of carboxylated Fe by solvent heat3O4Magnetic nanoparticles. Weigh 0.4 g sodium citrate, 2.70 gfecl3· 6h2O and 7.40 g of ammonium acetate in a 250 mL three flask, then in 75 mL of ethylene glycol, ultrasonic treatment of 30 min to obtain a yellow mixture solution, transfer three flasks to the oil bath, access N2, Heated to 170 ° C, the constant temperature was stirred for 1 h, and the reddish brown solution was obtained. The solution was then transferred to the reaction kettle and reacted in an oven at 200 ° C for 16 h. After the reaction was completed, the reactor was taken out to room temperature, and the product was separated by the magnet, and the washed product was carried out three times with ethanol and water, and the washed product was vacuumped at 50 ° C for 24 h.

[0033](2) Preparation of a magnetic adsorbent: Preparation of 1.2 G mass fractio...

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 discloses a magnetic adsorbent and a preparation method thereof, and belongs to the field of composite materials. According to the magnetic adsorbent, the cationic property of chitosan and the amphoteric structure and property of gelatin are combined, the magnetism of ferroferric oxide and the characteristic that CTAB serves as a cationic surface active agent are introduced, and a magnetic adsorption material with efficient adsorption and regeneration functions is prepared. The preparation method is simple, the magnetic adsorbent is easy to separate from a solution and not prone to loss, the separation process is time-saving and efficient, cyclic utilization can be achieved, and the magnetic adsorbent has wide application prospects in the aspect of dye adsorption.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a magnetic adsorbent with high adsorption capacity and a preparation method thereof. Background technique [0002] With the continuous improvement of people's material life, dye-related industries such as leather, printing and dyeing, textiles and cosmetics have developed rapidly. One of the results is that the discharge of untreated dye wastewater into the water environment is harmful to aquatic organisms and human health. a huge threat. Dye wastewater interferes with the photosynthesis of aquatic organisms, causing the water body to lose its self-purification function; and its biological toxicity will cause serious harm to the human body, such as carcinogenic, teratogenic and sudden-induced. Due to the enormous toxic effects, the handling of dyes has attracted much attention. Traditional dye wastewater treatment methods mainly include biological treatment, chemi...

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
IPC IPC(8): B01J20/24B01J20/28B01J20/30C02F1/28C02F101/30C02F101/34C02F101/38
CPCB01J20/24B01J20/28009C02F1/286C02F2101/308C02F2101/38C02F2101/40C02F2101/34
Inventor 游力军丁冠军苏柳
Owner FUZHOU UNIVERSITY
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap