STTR Phase I: Chemical Sensors for In situ Monitoring of Collector Chemicals in Complex Copper Mine Effluents
STTR Phase I: Chemical Sensors for In situ Monitoring of Collector Chemicals in Complex Copper Mine Effluents
批准号:
0930087
负责人:
Jon Thompson
金额:
$0.0万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-07-01 至 2010-12-31
中文摘要
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英文摘要
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).This Small Business Technology Transfer (STTR) Phase I project addresses unmet analysis needs of froth flotation, a separations process widely used in the mining industry to separate worthless gangue from desired mineral particles. The goal of this Phase I is the preparation of sensors that permit the measurement of collector chemicals used in flotation suspensions. Our proposed sensors are expected to be ideally suited for these measurements since they are not affected by turbidity, have a collector selectivity that can be tuned with specific receptors, and require no off-stream sample handling. The project will take advantage of the highly selective and fouling-resistant fluorous perfluoropolymer membranes introduced by the academic partner Phil Buhlmann. The broader impacts of this research are significant as it will enable the mining industry to be more sustainable in its approach to mineral recovery. Specifically, our research aims to significantly reduce the amount of toxic chemical waste associated with froth flotation and its inevitable environmental impact. The method has the potential of making the US copper industry more competitive by saving over $200 M in wasted collector while simultaneously improving mining sustainability by eliminating an estimated 891,000 kg of unnecessary chemical discharges. In addition to these benefits, the multidisciplinary aspects of this project will train students in synthetic and analytical techniques, involving concepts from chemistry, materials science, and engineering. A graduate student will have the opportunity to mentor an undergraduate students involved in this project through directed research studies and through the NSF-REU programs at the UMN.
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STTR Phase II: Chemical Sensors for In Situ Monitoring of Collector Chemicals in Complex Copper Mine Effluents
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批准号:1058472
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项目类别:Standard Grant
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资助金额:$50.0万
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财政年份:2011
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负责人:Jon Thompson
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依托单位:
STTR Phase I: In Situ Cyanide Monitoring in Gold Mine Effluents
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批准号:1010153
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项目类别:Standard Grant
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资助金额:$15.0万
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财政年份:2010
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负责人:Jon Thompson
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依托单位:
SBIR Phase I: Selective Chemical Probes for Measurement of Flotation Collector Reagents in Sulfidic Ore Beneficiation
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批准号:0912459
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项目类别:Standard Grant
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资助金额:$9.99万
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财政年份:2009
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负责人:Jon Thompson
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依托单位:
The Initial Academy Curriculum and The First Year Programs
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批准号:9154387
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:1991
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负责人:Jon Thompson
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依托单位:
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