Topic Information Award/Contract Number Proposal Information Company Performance

Alternatives to Cl2 in Municipal Water Purification

NBCHC050029 0421124
(FY04.2 Phase I)
High Surface Area Titanium Oxide Nanostructures for Photo-catalytic Water Remediation

Fractal Systems, Inc.
108 4th Street
Belleair Beach, FL 33786-3213


Fractal Systems Inc responds to HSARPA needs for the development of novel alternate technologies to Cl2 in municipal water purification purposes. Our recent experience, in collaboration with our consultants Prof. Paul (University of South Florida/Aqua Virotech, and Prof. Valsaraj, Louisiana State University), indicates that the purification of E.coli using high surface area TiO2 can be performed by the use of all the wavelengths of UV-visible light via surface modification of the oxide nanostructures and use of a specially designed photo-catalytic reactor. In phase I, we will synthesize and characterize the photo-catalyst; and design, fabricate and characterize membranes that will be used in photo-catalytic water remediation experiments in the photo-catalytic reactor. In Phase II, we will optimize our photo-catalyst material to achieve the highest photo-catalytic activity to ensure 100% pathogen remediation efficiency. We will optimize the photo-catalytic reactor construction to achieve maximum illumination and thus efficiency. We will also expand on the number of species to be detected to ensure viability of the technology towards commercialization in collaboration with one of the major water filter companies, located in the Tampa Bay area (Florida). Applications include private wells, bottlers, aquaculture, hospitals, food, restaurants, breweries, water systems, laboratories, pharmaceutical, dairies and counter-terrorism measures.

Improved and Innovative Cooling Garments for Emergency Responders

NBCHC050025 0421145
(FY04.2 Phase I)
Lightweight and Efficient Cooling System for First Responder Suits

Rini Technologies Inc
3267 Progress Drive
Orlando, FL 32826-3230


Clothing that protects first responders from chemical, biological, and nuclear threats can subject the individuals to heat stress. These hazardous environments require the use of PPE with level A protection, which can significantly diminish the ability of the body to reject heat to the external environment, leading to symptoms ranging from muscular weakness, dizziness and physical discomfort to more severe, life-threatening conditions such as heat exhaustion or heat stroke. RTI proposes to develop a miniature refrigeration unit, which utilizes a vapor compression cycle, to transfer heat from the encapsulated individual to the outside environment. This project will provide a portable cooling unit with a combination of performance, reliability, size and weight that is currently not available or possible from conventional designs. Specifically, the proposed cooling system will produce 425BTU/hr (125W) of cooling to a water vest with an average water temperature of 25 degree C, weigh 1.6kg (without battery), have a volume of 1.0L and require 50W of electrical power. The Phase I effort will concentrate on the thermodynamic cycle, system configuration, material selection, material testing and enhancement through thin film solid lubrication applications, and fabrication of a prototype compressor. Design of the remaining system, components and system testing and integration would be undertaken in Phase II.