US – Page 219 – TechConnect Briefs

Tailored nanoscaled TiO2 dispersions for photocatalytic applications

Pilotek S., Tabellion F., Gossmann K., Buhler Inc., US

The use of the photocatalytic activity of nanoscaled anatase particles is intriguing. Whereas the effect has been known for a long time it is still a challenge to make the effect useful in everyday applications. [...]

Sustainable Facility Solutions beyond LEED

von Below D., Ostafi J., Flad Architects, US

Flad Architects, one of the world’s leading renewable energy research design practices, is currently designing a preeminent renewable energy laboratory in the tropics. Operating research and development laboratories in an equatorial environment poses extraordinary energy [...]

Achieving a Sustainable Metals Market for the Manufacturing Industry

Warren T., Rechargeable Battery Recycling Corporation, US

Metals are a key resource in today’s manufacturing processes. However, the environmental costs of procuring and processing new metals can potentially set companies back in their endeavors to be more environmentally friendly, while also increasing [...]

Method for Converting Waste Plastic to Hydrocarbon Fuel Materials

Sarker M., Natural State Research, Inc., US

The increased demand and high price for energy sources are driving efforts to convert organic compounds into useful hydrocarbon fuels. Although much of this work has focused on biomass, there are strong benefits to deriving [...]

Enhanced Biodegradation of 2,3,4,5,6-pentachlorocyclohexan-1-ol — a b-HCH Metabolite — in the Presence of a and g-HCH Isomers by Pseudomonas aeruginosa ITRC-5

Singh A., Kumar A., Misra K., Rice University, US

Chlorinated insecticide hexachlorocyclohexane (HCH), which is still used in many countries in agriculture and forestry, leads to environmental problems. HCH consists of a mixture of four isomers: a-, b-, g-, and d. Efforts have been [...]

Isolation and Characterization of Benzene Degrading Bacteria from Gasoline Contaminated Water

Singh A., Sar P., Bennett G., Rice University, US

The BTEX (benzene, toluene, ethylbenzene, and xylene)compounds are hydrocarbon pollutants that are considered as significant threat to the health and environment. Among BTEX, benzene is of major concern, because it is soluble, mobile, toxic, carcinogenic [...]

The Need and the Quest for Developing Water Treatment Systems for Masses Which are Low Cost, Low Tech and Use Locally or Easily Available Material

Shukla S.S., Anastas P., Bhanumati S., Mussadaq M., Lamar University, US

In todays world, a large set of environmental challenges exist. The extent of the environmental damage is alarming and the consequences could be dire. Existence of healthy life requires availability of safe food and clean [...]

Enviroquip Membrane Bioreactor Systems – Novel Wastewater Treatment Process for Enhanced Nutrient Removal

Zhang K., Lewis C., Swanson M., Ball A., Enviroquip, US

Traditional wastewater treatment technologies are not sufficient in protecting sensitive receiving waters. Agencies are required to meet Enhanced Nutrient Removal (ENR) limits that are increasingly difficult to achieve (e.g. 3.0mgN/l and 0.1mgP/l). Various techniques are [...]

Innovations in Energy Efficient Decentralized Wastewater Treatment Systems:

Behrends L.L., ReCiprocating Water Technologies LLC, US

This paper will provide a brief overview of differences between conventional centralized wastewater treatment systems and the more recent decentralized systems. Brief comparisons will be made regarding differences in scalability, economics, energy efficiency, and environmental [...]

Using Secuirty Monitoring Tool to Improve Operation of the Water Distribution System

Kroll D., Hach Company, US

The distribution system represents the last analytical frontier in the water quality industry. Since 9/11, numerous communities have installed multi-parameter monitoring stations in locations throughout the distribution system as early warning systems based on potential [...]