Award Data

Manufacturing of Portland cement, the primary binder in concrete, accounts for ~7% of global CO2 emissions, 4% of energy use, and exhaustion of natural resources. Premature aging of concrete in infrastructure systems is another major concern.  A robust binder chemistry has been developed to overcome these drawbacks.  The original approach to production of this binder, however, is not compatible ...

Suspended ceiling tiles are widely used in commercial and residential construction because they offer flexibility and easy access to utilities. Most of the available tiles absorb water, resulting in sagging, staining, and mold/mildew growth. They also contain potentially hazardous chemicals and release airborne fibers when broken or cut. Existing tiles are not durable, requiring frequent replaceme ...

COALITION TECHNOLOGIES, LTD., (CTL) RESEARCH HAD IMPROVED A SIMPLE GAS PHASE TREATMENT (SULFONATION) OF WASTE RUBBER AND PLASTICS. RESULTS FROM LABORATORY SCALE EXPERIMENTS DONE AT MICHIGAN STATE UNIVERSITY HAVE SHOWN THAT CONCRETE MADE FROM SULFONATED RUBBER AND PLASTIC PROVIDED BY CTL HAS IMPROVED IMPACT RESISTANCE AS MEASURED BY ASTM STANDARD TESTS. IN MANY CASES, WASTE PLASTICS AND RUBBER ARE ...

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NITRATE CONTAMINATION OF DRINKING WATER SUPPLIES IS A RECOGNIZED PROBLEM IN CERTAIN LOCATIONS OF THE U.S. SEVERAL TECHNOLOGIES ARE CAPABLE OF REMOVING NITRATE. TWO PROMISING RELATED TECHNOLOGIES ARE THE DIRECT BIOLOGICAL DENITRIFICATION OF DRINKING WATER AND THE REMOVAL OF NITRATE BY ION EXCHANGE WITH THE SUBSEQUENT REMOVAL OF THE NITRATE FROM THE REGENERANT BRINE. DENITRIFICATION OF DRINKING WATE ...