Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Porous spherical adsorbent for printing and dyeing sewage treatment and preparation method thereof

A printing and dyeing sewage and adsorbent technology, which is applied in water/sewage treatment, adsorption water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problems such as poor treatment effect of printing and dyeing sewage and cannot meet the actual use, and achieve Reduced energy consumption, improved adsorption and removal performance, and high adsorption activity

Inactive Publication Date: 2019-03-22
徐荣霞
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned sewage adsorption treatment agent has a poor effect on the treatment of printing and dyeing sewage, and cannot meet the actual use requirements.

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
  • Porous spherical adsorbent for printing and dyeing sewage treatment and preparation method thereof
  • Porous spherical adsorbent for printing and dyeing sewage treatment and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method of a porous spherical adsorbent for printing and dyeing sewage treatment is as follows:

[0029] Add tapioca starch to deionized water, add a sodium hydroxide solution with a mass concentration of 15% to adjust the pH to 8-10, heat to 92°C and stir for 70 minutes, then cool to 48°C and then add hydrogen peroxide and ferric sulfate (ferric sulfate The mass ratio of the quality and tapioca starch is 1:30), continue to stir for 2.5h, sodium trimetaphosphate and polyethylene glycol 6000 (mass ratio of polyethylene glycol 6000 and tapioca starch is 1:20) are added and stirred for 18min Finally, add sodium alginate and Span80, continue to stir for 10 minutes, then let it stand for 6 hours, slowly pour it into a calcium chloride solution with a mass concentration of 2.5%, react for 6 hours, collect the obtained solid, wash with water and ethanol, and dry at 55°C , to obtain material A; grind almandine into powder and pass through a 400-mesh sieve, add it t...

Embodiment 2

[0031] A preparation method of a porous spherical adsorbent for printing and dyeing sewage treatment is as follows:

[0032] Add tapioca starch to deionized water, add a sodium hydroxide solution with a mass concentration of 20% to adjust the pH to 8-10, heat to 90° C. and stir for 60 minutes, then cool to 40° C. and then add hydrogen peroxide and ferric sulfate (ferric sulfate The mass ratio of the quality and tapioca starch is 1:30), continue to stir 3h, sodium trimetaphosphate and polyethylene glycol 6000 (mass ratio of polyethylene glycol 6000 and tapioca starch is 1:20) add after stirring 15min , add sodium alginate and Span80, continue to stir for 10 minutes, then let it stand for 7 hours, slowly pour it into a calcium chloride solution with a mass concentration of 1.5%, react for 6 hours, collect the obtained solid, wash with water and ethanol, and dry at 50°C. Obtain material A; grind almandine into powder and pass through a 400-mesh sieve, add it to an ethanol solutio...

Embodiment 3

[0034]A preparation method of a porous spherical adsorbent for printing and dyeing sewage treatment is as follows:

[0035] Tapioca starch is added to deionized water, adding a mass concentration of 5% sodium hydroxide solution to adjust the pH to 8-10, heating to 95°C and stirring for 80min, then cooling to 50°C and then adding hydrogen peroxide and ferric sulfate (ferric sulfate The mass ratio of the mass of polyethylene glycol 6000 and tapioca starch is 1:20), continue stirring for 1h, sodium trimetaphosphate and polyethylene glycol 6000 (mass ratio of polyethylene glycol 6000 and tapioca starch is 1:20) is added after stirring for 18min , add sodium alginate and Span80, continue to stir for 15 minutes, then let it stand for 10 hours, slowly pour it into a calcium chloride solution with a mass concentration of 0.5%, react for 8 hours, collect the obtained solid, wash with water and ethanol, and then dry it at 50°C. Obtain material A; grind almandine into powder and pass thr...

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 porous spherical adsorbent for printing and dyeing sewage treatment and a preparation method thereof, and relates to the technical field of sewage treatment. The adsorbent isprepared by compounding sodium alginate and oxidized porous starch and then adding melamine modified iron aluminum garnet. According to the adsorbent, organic adsorption materials and inorganic adsorption materials are combined, so that the adsorbent can have high adsorption activity at low temperature, reduce the energy consumption and improve the processing performance, and has good adsorption effect for various heavy metal ions and organic substances.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a porous spherical adsorbent for printing and dyeing sewage treatment and a preparation method thereof. Background technique [0002] Printing and dyeing wastewater is wastewater discharged from cotton, hemp, chemical fiber and their blended products, silk-based printing and dyeing, wool dyeing and finishing, and silk factories. The type of fiber and processing technology are different, and the water quantity and quality of printing and dyeing sewage are also different. Among them, the amount of wastewater in printing and dyeing factories is relatively large, and 100-200 tons of water is consumed per 1 ton of textiles for printing and dyeing, of which 80-90% is discharged as wastewater. Printing and dyeing sewage has the characteristics of large water volume, high content of organic pollutants, high alkalinity, and large changes in water quality. It is one of the diffic...

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): B01J20/26B01J20/28B01J20/30C02F1/28C02F103/30C02F101/20C02F101/30
CPCB01J20/24B01J20/262B01J20/28019B01J20/28054C02F1/288C02F2101/20C02F2101/30C02F2103/30
Inventor 徐荣霞
Owner 徐荣霞
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com