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

Multifunctional palygorskite base adsorbing material

An adsorption material and multi-functional technology, which can be used in adsorption water/sewage treatment, other chemical processes, chemical instruments and methods, etc., and can solve the problems of narrow application field, low removal rate of phenolic compounds, single target pollutants, etc.

Active Publication Date: 2011-09-21
金湖县农副产品营销协会
View PDF4 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"Science and Technology Innovation Herald" 2009 (5): 131-132, preparation of attapulgite-starch granule adsorbent and its application in wastewater treatment [J] by studying the types of granulation additives, calcination temperature and holding time and other factors The effect of attapulgite-starch granules on decolorization, the results show that the compound attapulgite granules have good decolorization effect, but the application field is narrow
"Guangdong Chemical Industry" 2010,37(1): 20-22. Research on the adsorption performance of attapulgite activated carbon composite filter material on Congo red [J], which uses attapulgite activated carbon composite filter material to treat Congo red in raw water; attapulgite activated carbon The removal rate of Congo red by composite filter material increases first and then decreases with the increase of concentration of Congo red solution, and the dosage of adsorbent is difficult to control
"New Chemical Materials", 2008, 36(11): 87-90. Preparation of attapulgite / C composite material and its adsorption performance on phenol[J] A low-cost attapulgite was provided by using glucose as a modifier Rod organic modification method, but the disadvantage of this product is that the target pollutants to be removed are single, and the removal rate of phenolic compounds is not high

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
  • Multifunctional palygorskite base adsorbing material
  • Multifunctional palygorskite base adsorbing material
  • Multifunctional palygorskite base adsorbing material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] (1) Pretreatment of palygorskite: Stir the natural palygorskite with 1.0mol / L dilute hydrochloric acid, wash, dry, crush, and pass through a 200-mesh sieve.

[0067] (2) Accurately weigh a certain amount (9g) of composite carbon source (3g of sucrose, 3g of cyclodextrin, 3g of chitosan) and 2.7g of ammonium ferrous sulfate hexahydrate to make it completely soluble in water, add pretreated Palygorskite 1g, stirred slightly, and then treated with 30KHz ultrasonic waves for 20min to form a suspension solution; filtered, dried, placed in a muffle furnace, under the protection of nitrogen, roasted at 180°C for 2h to obtain a black adsorbent, ground, spare.

[0068] (3) Adsorption performance: The removal rate of phenol in the solution (initial concentration is 5mg / L) can reach 82%, and the removal rate of heavy metal ions such as lead ion, cadmium ion and nickel ion is close to 100%. and the color is almost completely removed.

Embodiment 2

[0070] (1) Same as Embodiment 1.

[0071] (2) Accurately weigh a certain amount (6g) of composite carbon source (2.4g sucrose, 2.4g cyclodextrin, 1.2g chitosan) and 1.8g ammonium ferrous sulfate hexahydrate to make it completely soluble in water, add Pretreated palygorskite 0.67g, stirred slightly, and then treated with 30Hz ultrasonic waves for 20min to form a suspension solution; filtered, dried, placed in a muffle furnace, and roasted at 180°C for 2h under the protection of nitrogen to obtain a black Adsorbent, ground, ready for use.

[0072] (3) Adsorption performance: The removal rate of phenol in the solution (initial concentration is 5mg / L) can reach 63%, and the removal rate of heavy metal ions such as lead ion, cadmium ion and nickel ion is close to 100%. and the color is almost completely removed.

Embodiment 3

[0074] (1) Same as Embodiment 1.

[0075] (2) Accurately weigh a certain amount (6g) of composite carbon source (2g sucrose, 2g cyclodextrin, 2g chitosan) and 1.8g ammonium ferrous sulfate hexahydrate to make it completely soluble in water, add pretreated Palygorskite 1g, stirred slightly, and then treated with 30Hz ultrasonic waves for 20min to form a suspension solution; filtered, dried, placed in a muffle furnace, under the protection of nitrogen, roasted at 180°C for 2h to obtain a black adsorbent, ground ,spare.

[0076] (3) Adsorption performance: The removal rate of phenol in the solution (initial concentration is 5mg / L) can reach 57%, and the removal rate of heavy metal ions such as lead ion, cadmium ion and nickel ion is close to 100%. and the color is almost completely removed.

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 multifunctional palygorskite base adsorbing material, which takes palygorskite clay as a carrier, a compound of cane sugar, beta-cyclodextrin and chitosan as a carbon source, and ammonium ferrous sulfate hexahydrate as a catalyst, and is prepared by a direct roasting method. Proven by experiments, the composite material has the efficacy of efficiently removing organic matters, heavy metal ions, colors and odors. Thus, the composite material has great application potential in the aspects of treating wastewater, such as toxic organic matters, heavy metal ions, dyes and the like.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and relates to a composite adsorption material, in particular to a multifunctional palygorskite-based adsorption material with palygorskite (PGS) as a carrier. Background technique [0002] At present, with the rapid development of steel, oil refining, petrochemical, plastic, synthetic fiber and other industries, the types and quantities of phenolic wastewater are also increasing. When the concentration of phenolic compounds in wastewater is too high, it will bring obvious toxicity to organisms. The treatment methods of phenol-containing wastewater mainly include extraction method, biodegradation method, adsorption method and photocatalytic degradation method, etc. Among them, the adsorption method is a physical and chemical method suitable for both high and low concentration wastewater, and does not introduce new pollutants, which can effectively treatment of phenolic wastewater. ...

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): B01J20/12B01J20/22B01J20/30C02F1/28
Inventor 雷自强武战翠张惠怡沈智张哲马国富王其召
Owner 金湖县农副产品营销协会
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