Corporate Banner
Satellite Banner
Environmental Analysis
Scientific Community
 
Become a Member | Sign in
Home>News>This Article
  News
Return

The Institute of Water Resources & Water Supply Implements NTA to Characterize Colloids in Water

Published: Wednesday, June 26, 2013
Last Updated: Wednesday, June 26, 2013
Bookmark and Share
Professor Mathias Ernst has adopted the use of NTA technique to provide new insights into water quality.

NanoSight reports on how Nanoparticle Tracking Analysis, NTA, is being implemented for the further characterization of natural colloids (inorganic and organic) at the Institute of Water Resources and Water Supply at the Technical University Hamburg-Harburg in Germany.

Inorganic and organic colloids are widespread in aquatic systems, where they influence many water quality treatment processes.

Until recently there was a lack of an adequate analysis technique to measure the size fraction below 1000 nm. The research group of Professor Mathias Ernst of the Institute of Water Resources and Water Supply at the Technical University Hamburg-Harburg has adopted the use of NanoSight's NTA technique to provide new insights into water quality.

PhD student Martin Schulz began his research at the Berlin Centre of Competence for Water, where he first used NTA to assess different water treatment processes, in particular looking at particle & colloid removal and water purification methods (e.g. coagulation and ozonation).

His work focused on membrane filtration where he encountered the problem of membrane-fouling when colloids would block the pores of the membrane.

Schulz used NTA to predict the fouling potential of a water sample, thus providing time for the treatment plant to react with different pre-treatment options.

Schulz describes the work of the Institute of Water Resources & Water Supply at TU-Hamburg-Harburg: "The institute provides professional support to water companies and our industry partners for the optimization of processes, problem solving and innovation. We expect to offer NTA as a support tool to regional water companies who have problems with particles & colloids in their treatment processes and water distribution systems."

Other techniques have been applied to this application with mixed success. These include LC-OCD (liquid chromatography-organic carbon detection) and flow cytometry (using fluorescence markers).

NTA has proved to be the ideal complement as it is only by combining all of these techniques that full characterization of a water sample over a broad size range can be established.

Speaking of the reasons why he feels NTA is ideal for this work, Schulz says "NTA is perfect for the concentration range of water and wastewater samples. It provides reliable size detection in polydisperse samples which occur in almost all natural water samples. The fast and precise detection of the smallest colloid fraction (< 200 nm) is a huge advantage. It also has potential for making on-line measurements. In simple words, we use NTA as an additional water quality parameter."


Further Information

Join For Free

Access to this exclusive content is for Technology Networks Premium members only.

Join Technology Networks Premium for free access to:

  • Exclusive articles
  • Presentations from international conferences
  • Over 4,000+ scientific posters on ePosters
  • More than 5,300+ scientific videos on LabTube
  • 35 community eNewsletters


Sign In



Forgotten your details? Click Here
If you are not a member you can join here

*Please note: By logging into TechnologyNetworks.com you agree to accept the use of cookies. To find out more about the cookies we use and how to delete them, see our privacy policy.

Related Content

The Jagiellonian University Uses NTA to Characterize Catalytic Nanoparticles
NTA used in the Faculty of Chemistry for the characterization of catalytic materials in environmental applications.
Thursday, July 11, 2013
Scientific News
Soil Carbon Release Might Equal U.S. Emissions
Research suggests 55M tons of carbon will be release from soils by 2050, 17% higher than prjected emissions.
Peer Review is in Crisis, But Should be Fixed, Not Abolished
After the time to get the science done, peer review has become the slowest step in the process of sharing studies, and some scientists have had enough.
Personalized Antibiotic Treatment
Researchers have developed a sensor platform that quantifies antibiotics in human blood within minutes.
Turning Greenhouse Gas into Gasoline
New catalyst provides design principles for producing fuels from carbon dioxide emissions.
Pollution Emitted Near Equator has Biggest Impact on Global Ozone
Research reveals changing global pollution emissions are generating imbalances in the production of ozone.
2 Billion Children Breathing Unsafe Air
UNICEF report reveals that 1 in 7 children live in areas of toxic outdoor pollution, with 2 billion in areas exceeding minimum air quality.
Nanobionic Spinach Detects Dangerous Chemicals
Scientists have changed spinach plants into biosensors that can detect harful chemicals and wirelessly relay the information.
"Farming" Bacteria to Boost Growth in the Oceans
Scientists discover bacteria found in marine animals can fix nitrogen as well as carbon.
Researchers Invent ‘Perfect’ Soap Molecule
Researchers create new, enivonmentally friendly soap molecule from renewable sources.
Achieving “Green” Desalination
Workshop explores ways to reduce or eliminate the carbon footprint of seawater desalination plants.
Scroll Up
Scroll Down
SELECTBIO

SELECTBIO Market Reports
Go to LabTube
Go to eposters
 
Access to the latest scientific news
Exclusive articles
Upload and share your posters on ePosters
Latest presentations and webinars
View a library of 1,800+ scientific and medical posters
4,000+ scientific and medical posters
A library of 2,500+ scientific videos on LabTube
5,300+ scientific videos
Close
Premium CrownJOIN TECHNOLOGY NETWORKS PREMIUM FOR FREE!