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in subjects: "Organic Acids"  
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Novel Simulated moving bed technologies

Description: Cellulose and hemicellulose from plants and other biomass can be hydrolyzed to produce sugars (i.e. glucose and xylose). Once these sugars are separated from other impurities, they can serve as feedstock in fermentation to produce ethanol (as fuels), lactic acid, or other valuable chemicals. The need for producing fuels and chemicals from renewable biomass has become abundantly clear over the last decade. However, the cost of producing fermentable sugars from biomass hydrolyzate using existing … more
Date: December 30, 2003
Creator: University, Purdue
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Using Acid Number as a Leading Indicator of Refrigeration and Air Conditioning System Performance

Description: This report summarizes a literature review to assess the acidity characteristics of the older mineral oil and newer polyolester (POE) refrigeration systems as well as to evaluate acid measuring techniques used in other non-aqueous systems which may be applicable for refrigeration systems. Failure in the older chlorofluorocarbon/hydrochlorofluorocarbon (CFC/HCFC) / mineral oil systems was primarily due to thermal degradation of the refrigerant which resulted in the formation of hydrochloric and … more
Date: July 31, 2003
Creator: Cartlidge, Dennis & Schellhase, Hans
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

NITRO-HYDROLYSIS: AN ENERGY EFFICIENT SOURCE REDUCTION AND CHEMICAL PRODUCTION PROCESS FOR WASTEWATER TREATMENT PLANT BIOSOLIDS

Description: The nitro-hydrolysis process has been demonstrated in the laboratory in batch tests on one municipal waste stream. This project was designed to take the next step toward commercialization for both industrial and municipal wastewater treatment facility (WWTF) by demonstrating the feasibility of the process on a small scale. In addition, a 1-lb/hr continuous treatment system was constructed at University of Tennessee to treat the Kuwahee WWTF (Knoxville, TN) sludge in future work. The nitro-hydro… more
Date: March 10, 2003
Creator: Klasson, KT
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Permanganate Treatment of DNAPLs in Reactive Barriers and Source Zone Flooding Schemes

Description: This research involves a combined experimental modeling study that builds on our previous DOE-sponsored work in understanding how KMnO4 can be used with in situ cleanups of contaminated sites. The specific objectives of this study are (1) to describe how solid forms of KMnO4 behave in saturated media, (2) to undertake flow tank studies that examine the hydraulic impact of reaction products (especially MnO2) on the flux of water through the zone of contamination, and (3) to represent process und… more
Date: September 14, 2003
Creator: Schwartz, Franklin W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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