Papers:
Innovative Cost-effective Pre-treatment for Desalination
Lean M.H., Seo J., Kole A., Volkel A.R., Chang N., Hsieh B., Melde K., Palo Alto Research Center, US
This paper describes an innovative technology to pre-treat feed water for desalination. An inline coagulation-flocculation-separation (CFS) system is detailed that does not require filtration or sedimentation. Advantages include: scalability, modularity, rapid processing, low energy, and [...]
New UV Technology for Point-of-Use Water Disinfection
Bilenko O., Bilenko Y., Shturm I., Bilenko O., Bilenko Y., Shatalov M., Gaska R., Sensor Electronic Technology, Inc., US
We will report on a record performance of an all-LED point-of-use water disinfection system that utilizes our deep UV LED lamps with peak emission wavelengths in the range from 270 nm to 280 nm. Results [...]
Analysis of Membrane Filtration Efficiency in Removal of Metal Oxide Nanoparticles from Aqueous Nanoparticle Suspension in the Presence of Coagulation Pretreatment
The introduction of nanoparticles (NPs) into aqueous environment is expected to rise with increased manufacturing and use of nanoparticles. There is a need to identify efficient and methods for NP removal and such methods must [...]
Ion Rejection Properties of Nanofiltration Membranes With Inhomogeneous Charge Distribution
Ion rejection properties of NF membranes with inhomogeneous fixed charge distributions are investigated theoretically. It is shown that the occurrence of spatial inhomogeneities in the fixed charge concentration may lead to an enhancement of the [...]
Using Zeta Potential to Optimize the Water Clarification Process in a Full-Scale Water Production Facility
Zeta potential provides a measurable value to monitor optimal water clarification capabilities. The magnitude of the zeta potential value indicates the repulsive interaction between particles; a zero zeta potential means that the conditions for the [...]
Studies on the kinetic properties of photocatalytic degradation of phenol in water using ZnO nanopowder as a photocatalyst
In recent years, advanced oxidation processes (AOPs) have been proved to be one of the most effective methods to remove organic pollutants from water and wastewater. These processes are based on the generation of the [...]
Design of a POSS-modified Zeolite Structure and the Study of the Enhancement of Ammonia-nitrogen Removal from Drinking Water
This research explored the utilization of a waste resource, rice hull ash (RHA), for the synthesis of the polyhedral ologomeric silsesquioxane (POSS) modifier for mesoporous zeolite molecular sieve (ZMS) to enhance NH4+ ion-exchange capacity in [...]
Precipitation, Adsorption and Inhibitory Effects of Nano Copper in Wastewater Activated Sludge
Smeraldi J., Rajagopalan G., Cooper W.J., Hosseini T., Rosso D., University of California Irvine, US
Objective of this study is to compare the fate, removal and inhibitory effects of nanocopper (oxide) with ionic copper in activated sludge. Impacts of functionalization (complexation) of nanocopper as well as the mechanism of nanocopper [...]
Agriculture Industry Sees Green in Wireless Technologies
While green is certainly considered good, applying advanced wireless technologies across the agriculture industry’s food chain is great. Bringing mature machine-to-machine (M2M) wireless communications to this broad industry – which includes growers, greenhouses, transporters and [...]
membrane technology in fishery industry: An state of art in nanotechnology
A large amount of raw nanomaterials is processed with the increasing demand of fishery products. Membrane technology and bioprocessing have been increasingly involved in fishery industry, particularly for the treatment of fishery wastes. Fishery nanowastes [...]
Heterogeneous Photo-Fenton Oxidation on Nanosized Pt/Perovskites as Clean and Efficient Process for Organic Pollutants Removal from Wastewater
Heterogeneous photo-Fenton oxidation of organic compounds is an advanced oxidation process in wastewater treatment allowing to overcome the main drawbacks of homogeneous photo-Fenton process. In this work we compare the performances of honeycomb monolith structured [...]
Development of a New Experimental Tool To Identify CO2 Absorption Parameters in Aqueous Amine Solutions
The gas-liquid carbon dioxide (CO2) absorption by aqueous solutions of amine mixture is one of the up-to-date CO2 capture technology. This work is realized in collaboration with Cansolv Technologies Inc., which is a design office [...]
FlexEnergy: Using Waste Fuels to Eliminate 25 Times the GHG Effect of CO2
The Flex Powerstation is the cleanest power platform in the world. The Flex oxidizes gases especially weak and waste gases previously unusable to produce clean, green electricity. Today’s emissions problem becomes a green energy source. [...]
Development of A Novel Electrostatic Precipitator Using Carbon fiber Unipolar Ionizers and Dielectric Collection Plates and Its Removal of Ultrafine Particles
Kim H.-J., Kim Y.J., Han B., Oh W.S., Oda T., Kim H.-J., Kim Y.J., Korea Institute of Machinery and Materials, KR
Current electrostatic precipitators (ESPs) for removing particles from semiconductor industries have used costly anti-corrosive metallic materials to maintain the particle removal performance. Due to the economical demand of the industries, a novel ESP has been [...]
Antibiocorrosive Woods and Plastics Nanomaterials :Arsonium triiodides and Silicon Organic matrix
A search of anticorrosive with antibacterial property of compounds motivated us to synthesize nanomaterials with quaternary compounds. The arsonium triiodides [(Ph3AsCH2I]I3 and [(i-Bu)3AsCH2I]I3 nanomaterials have been synthesized and characterized. The x-ray structures of [(Ph3AsCH2I]I3 and [...]
Ion Characteristics and Electrostatic Removal of Ultrafine Particles in High Temperature CO2 Enriched Conditions
Han B., Kim H.-J., Kim Y.J., Song D.-K., Hong W.-S., Shin W.-H., Jeong S.-H., Kim H.-J., Kim Y.J., Korea Institute of Machninery and Materials, KR
Ion current and ion mobility have been investigated at different CO2 fractions and temperatures and electrostatic collection in a wire-plate electrostatic precipitator (ESP) has been also investigated and discussed based on ionic properties. Higher CO2 [...]
Biofilm Floc Nanostructures in Biological Wastewater Treatment in Fisheries
Biological wastewater treatment modelling has become and important tool in process engineering. There are state of the art activated sludge models (ASMs) available, which have found wide application in the engineering community. Biofilm nanomodels have [...]
Role of Nanoelements in Green Microalgae Growth in Fish Aquarium
Fish industry suffers millions of dollars by contaminated water and its effect on fish food. It is necessary to investigate the role of nanoelements in the microflora in water. Microalgae Chlorella fusca ACOI 621, Chlorella [...]
Journal: TechConnect Briefs
Volume: Technical Proceedings of the 2010 Clean Technology Conference and Trade Show
Published: June 21, 2010
Industry sector: Energy & Sustainability
Topic: Water Technologies
ISBN: 978-1-4398-3419-0