Personal home page
E-mail : Tim.keener@uc.edu
Office  : 701 Engineering Research Center
Phone :(513)-556-3676
Fax     :(513)-556-2599

Areas of Interest

• Energy systems and pollutant formation.
• Development of dry sorbent injection technologies for control of acid gases and heavy metals.
• Impact of energy production on global warming.
• Air pollutant measurement methods including U.S. EPA Reference Methods.
• Research and development of air pollution control processes including particulate control and gaseous pollutant control.
• Development of mild pyrolysis (thermolysis) for the pretreatment of fossil fuels to reduce emissions of sulfur oxides, nitrogen oxides and mercury.
• Development of the Circulating Fluidized Bed Absorber (CFBA) for control of SO2 and NOx from flue gases.
• Development of a novel coal feeder for production of low sulfur fuel (U.S. Patent No. 5,037,450).
• Modeling of vapor phase activated carbon control of volatile organic compounds.
• Modeling and experimental investigations concerning non-catalytic gas-solid reactions with respect to control of acid gases.
• The control of odors.
• The fate and control of VOCs in wastewater treatment plants.
• Development of ammonia enhanced spray drying for control of SO2 and NOx from flue gases (U.S. Patent No. 5,017,349)

 Publications

• Summary of the International Workshop on the Influences of Air Quality on the Mayan Heritage Sites in Mesoamerica,@ Summary prepared and edited by P.F. Heckel, T.C. Keener, M. Lu, and H. Bravo Álvarez, EM, February, 24 - 30, 2007.

• Collection of Ultrafine Diesel Particulate Matter (DPM) in Cylindrical Single‑Stage Wet Electrostatic Precipitators,@ Phirun Saiyasitpanich, Tim C. Keener, Mingming Lu, Soon‑Jai Khang and Douglas  E. Evans, Environmental Science & Technology, 40, 7890 - 7895, 2006.

• Carbon Distribution from Pyrolysis of Tire Derived Fuels,@ K. Unapumnuk, M. Lu, and Tim C. Keener, Industrial & Engineering Chemistry Research, 45, pg. 8757‑8764, 2006.

• Pyrolysis Behavior of Tire Derived Fuels at Different Temperatures and Heating Rates,@ Kessinee Unapumnuk, Tim C. Keener, Soon‑ Jai Khang and Mingming Lu, Journal of the Air & Waste Management Association, 56, pg. 618 - 627, 2006.

• The Fate of Chlorinated Volatile Organic Compounds in Aeration Basins Using Recirculated Aeration:  A Pilot‑Plant Evaluation,@ Jason Sundrup, Kyung Sook Jung, Tim C Keener, Soon‑Jai Khang, and Kaniz Siddiqui, Environmental Technology, vol. 27, pp. 603-611, 2006.

• Development of Cost‑effective Noncarbon Sorbents for Hg0 Removal from Coal‑Fired Power Plant," Joo‑Youp Lee, Yuhong Ju, Tim C. Keener, and Rajender Varma, Environmental Science & Technology, 40, 2714‑2720, 2006.

• Determination of Polycyclic Aromatic Sulfur Heterocycles in Diesel Particulate Matter and Diesel Fuel by Gas Chromatography with Atomic Emission Detection,@ Fuyan Liang, Mingming Lu, Eileen Birch, Tim C. Keener and Zifei Liu, Journal of Chromatography A, Volume 1114, Issue 1 , 5 May 2006, Pages 145-153.

• Biological Phosphate Uptake and Release: Effect of pH and Mg2+,@ Qingzhong Wu, Paul L. Bishop and Tim C. Keener, Water Environment Research, Feb; 78 (2): 196-201, 2006.

• Evaluation of O3‑NOx‑VOC Sensitivity of Cincinnati, Ohio,@ Ricardo Torres‑Jardón and Tim C. Keener, Journal of the Air & Waste Management Association, 56, pg. 322B333, 2006.

  Research Projects and Grants

• Scientific Evaluation of Global Changes and Their Impacts on Water Resources,@ U.S. EPA, October 1, 2006 - September 29, 2007 (Amount awarded $52,158:  Principal Investigator, Dr. Tim C. Keener).

• "Air Pollution Control Training Program," U.S. Environmental Protection Agency; September 1, 2002 through August 31, 2007 (Amount awarded $234,449: Principal Investigator, Dr. Tim C. Keener)

• "SST: Enabling Wireless Sensor Networks for Monitoring of Critical Air Pollutants,@ National Science Foundation, September 15, 2005 - September 14, 2008 (Amount awarded $300,000:  Co-Principal Investigator, Dr. Tim C. Keener).

• Testing of Sorbents for Mercury Control,@ U.S. Environmental Protection Agency; August 1, 2004 - July 31, 2005 (Amount awarded $104,000:  Principal Investigator, Dr. Tim C. Keener).

• International Workshop on Influences of Air Quality on the Mayan Heritage Sites In Mesoamerica,@ National Science Foundation, February 1, 2005 - February 1, 2007.  (Amount awarded $30,000: Principal Investigator, Dr. Tim C. Keener).

• Testing of Sorbents for Mercury Control,@ U.S. Environmental Protection Agency, July 15, 2003 - July 30, 2004 (Amount awarded $104,000:  Principal Investigator, Dr. Tim C. Keener).

• Measurements and Control of Diesel Emissions in Underground Mines,@ National Institute of Occupational Health and Safety, September 1, 2002 through August 31, 2005 (Amount awarded $427,200: Co-Principal Investigator, Dr. Tim C. Keener)