Nanotechnology Now

Our NanoNews Digest Sponsors


Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Application of Nanoporous Silica in Enzyme Degradation of Pollutants

Abstract:
Iranian researchers from Tehran University of Medical Sciences succeeded in the enzyme degradation of nitrophenol pollutants by using porous silica beads.

Application of Nanoporous Silica in Enzyme Degradation of Pollutants

Tehran, Iran | Posted on September 25th, 2013

The bead was used in order to stabilize laccase enzyme in this research, and it can be used in the purification of industrial wastewater.

Nitrophenol compounds have wide applications in various medical, chemical, and poison production industries. However, they have been categorized as priority pollutants by US Environmental Protection Agency. Biological purification is one of the cost-effective and high-efficient methods for these materials. Nevertheless, the purification of wastewater by using fungi is very important. Laccase was immobilized in this research on porous silica beads with nanometric pores by using a fungi enzyme, and 2,4-dinitrophenol pollutants were eliminated afterwards.

In this research, trametes versicolor laccase enzyme was immobilized on a porous silica bead with nanometric pores, which was designed in two phases. In the first phase, a batch pilot was used to stabilize laccase enzyme on the bead by using surfactants. Then, the optimum condition for the elimination of the pollutant was obtained by taking into account various parameters such as temperature, resistance time, pH value, initial concentration of the pollutant, and enzyme concentration. In the second phase, a continuous system was designed by taking into account the optimum conditions, and the pollutant entered the reactor continuously and the removal process proceeded through enzyme oxidation.

Results of the research showed that resistance time had the highest effect on pollutant removal process while pH value had the lowest effect.

Results of the research have been published in April 2013 in Iranian Journal of Environmental Health Science and Engineering, vol. 10, issue 1.

####

For more information, please click here

Copyright © Fars News Agency

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Cooling graphene-based film close to pilot-scale production April 30th, 2016

Personal cooling units on the horizon April 29th, 2016

Exploring phosphorene, a promising new material April 29th, 2016

The Translational Research Center at the University Hospital of Erlangen in Germany uses the ZetaView from Particle Metrix to quantify extracellular vesicles such as exosomes April 28th, 2016

Discoveries

Cooling graphene-based film close to pilot-scale production April 30th, 2016

Personal cooling units on the horizon April 29th, 2016

Exploring phosphorene, a promising new material April 29th, 2016

Superfast light source made from artificial atom April 28th, 2016

Announcements

Cooling graphene-based film close to pilot-scale production April 30th, 2016

Personal cooling units on the horizon April 29th, 2016

Exploring phosphorene, a promising new material April 29th, 2016

The Translational Research Center at the University Hospital of Erlangen in Germany uses the ZetaView from Particle Metrix to quantify extracellular vesicles such as exosomes April 28th, 2016

Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers

Personal cooling units on the horizon April 29th, 2016

Exploring phosphorene, a promising new material April 29th, 2016

Nanoparticles hold promise as double-edged sword against genital herpes April 28th, 2016

Researchers create a first frequency comb of time-bin entangled qubits: Discovery is a significant step toward multi-channel quantum communication and higher capacity quantum computers April 28th, 2016

Environment

Team builds first quantum cascade laser on silicon: Eliminates the need for an external light source for mid-infrared silicon photonic devices or photonic circuits April 21st, 2016

Atomically thin sensor detects harmful air pollution in the home April 18th, 2016

Catalyst could make production of key chemical more eco-friendly April 10th, 2016

Nanoporous material's strange "breathing" behavior April 7th, 2016

Water

Novel anti-biofilm nano coating developed at Ben-Gurion U.: Offers significant anti-adhesive potential for a variety of medical and industrial applications April 25th, 2016

Adding some salt to the recipe for energy storage materials: Researchers use common table salt as growth template April 22nd, 2016

NRL reveals novel uniform coating process of p-ALD April 21st, 2016

Researchers create perfect nanoscrolls from graphene’s imperfect form April 14th, 2016

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







Car Brands
Buy website traffic