www.abe.ufl.edu/~owens

JOHN M. OWENS 

PO Box 2924, High Springs, FL 32655 USA, Tel: 352/281-4936, owensjm@ufl.edu

AREAS OF SPECIALIZATION

Microbial conversion processes and bioprocess engineering involving optimization and control of microbial conversion of biomass and waste to food, fuels, chemicals and fertilizers. Microbial engineering, advanced soil and water management engineering, biological and agricultural systems simulation, municipal refuse disposal, advances in biodegradation and microbial bioengineering, aquatic microbiology, principals of water chemistry, engineering analysis, groundwater remediation, statistics, biochemistry, microbiology, sanitary microbiology, biological treatment, agricultural waste management, biochemical engineering, process control, industrial waste management, water quality, wastewater treatment, environmental microbiology, energy from renewable resources, microbiology of anaerobic environments, degradation of toxic organics, global biomethanogenesis, development of web based course materials and web sites, training for web site development.

EDUCATION

Year University Degree Major/Minor
1993 University of Florida Ph.D. Agricultural and Biological Engineering / Env. Eng.
1987 North Carolina State University M.S. Biological and Agricultural Engineering / Biochem. Eng.
1981 Virginia Polytechnic Institute and State University B.S. Agricultural Engineering

 

WORK EXPERIENCE

1994 - Current: Professional consulting services in areas of expertise: research and training in organic waste conversion and utilization in agricultural operations, microbial fermentation and product development, business development for transfer of related technology, and development and training for internet-based materials.

2008: Associate Director BioFuels Pilot Plant for the Florida Center for Renewable Chemicals and Fuels. Responsible for equipment procurement, set-up, training, safety, experimental design and analysis for new biofuels process development laboratory in the Agricultural and Biological Engineering Department at The University of Florida.  The lab is initially focusing on supporting process design of the Cellulose Ethanol Research Plant to be located adjacent to Florida Crystals Sugar Mill and New Hope Biomass Power Plant in South Bay, FL. The lab includes a 10-L batch steam hydrolyser, scale-up of fermentation equipment to 140 L, fractional distillation for by-product development and various analytical instruments.

2007: Adjunct Faculty/Lecturer for the Agricultural and Biological Engineering Dept. at the University of Florida. Teaching ABE 2062 Biology for Engineers. Assist in research and training on research for conversion of sugar beet tailings to biogas.

2006 - 2007: OPS Professional Teaching Assistant in the Agricultural and Biological Engineering Dept. at the University of Florida. Teaching ABE 2062 Biology for Engineers. Research and training for NASA sponsored SEBAC project. Research and training in bioprocess engineering on the Biochemical Methane Potential analysis of biomass materials.

1999- 2006:  President of Walkable Communities, Inc., a non-profit corporation, established in the state of Florida in 1996. It was organized for the express purposes of helping whole communities, whether they are large cities or small towns, or parts of communities, i.e. neighborhoods, business districts, parks, school districts, subdivisions, specific roadway corridors, etc., become more walkable and pedestrian friendly.

1996-2004: Assistant for  Dr. David P. Chynoweth, in the Agricultural and Biological Engineering Dept. at the University of Florida. Design, Instructor for ABE 3062L Biological Engineering Laboratory for Spring 2003. Research and training for NASA sponsored SEBAC project. Research and training in bioprocess engineering on the Biochemical Methane Potential analysis of biomass materials. Set-up and administration of Microsoft Frontpage for remote web-site development on departmental network. Development of and training for web based course materials for ABE 2062, Biology for Engineers I and ABE 4660, Bioprocess Microbiology.

1999 - 2002:  Coordinator of the Santa Fe Springs Water Quality Work Group.

1995 - 1996: Substitute teaching in Alachua County schools.

1993 - 1994: Bioprocess Engineer, Vice-President, Corporate Treasurer, Member of Board of Directors, and principal owner of Full Circle Solutions, Inc., Gainesville, Florida. Fulfilling technical requirements of various client's waste management needs including design calculations, technical reviews, cost estimation, permitting, and training requirements. Contributing to internal technology research and development efforts. Preparing proposals, publications, developing marketing information, developing business plans, completing accounting and tax needs for the firm.

1992 - 1993: Bioprocess Engineer and General Partner for Full Circle Associates, an organic-waste management firm. Consulted with various clients to meet their needs including, poultry waste treatability analysis, expert testimony on dairy waste management, and permit review. Contributed to internal technology research and development efforts. Prepared proposals and publications, developed marketing information, completed accounting and tax needs for the firm.

1989 - 1992: Research Assistant in the Agricultural Engineering Dept. at the University of Florida. Conducted research in bioprocess engineering on numerous anaerobic digestion related projects. Activities included proposal preparation, experimental design, analytical procedures, supervision of OPS employees, systems and economic analysis, computer instrumentation and programming, report and publication preparation.

1987 - 1989: Process Engineer at Floyd Agricultural Energy Corp., Ltd., a fuel ethanol producer. Responsible for research and development, technical design modifications, and start-up of a full scale UASB digester treating distillation bottoms. Designed biogas cleanup, storage, and utilization systems. Supervised a research engineer and a laboratory technician, provided training to plant operators, facilitated fermentation start-up, designed cooling water system for distillation and anhydrous columns. Solicited and managed grant funding from DOE/TVA. Negotiated Industrial Water and Sewer contracts with county Public Service Authority.

1984 - 1986: Research Assistant under Dr. L.M. Safley in Biological and Agricultural Engineering Dept. at NCSU. Operations, monitoring, and modification of full-scale anaerobic digester converting poultry manure to methane used in peak power electrical generation. Construction of covered lagoons treating swine and dairy manures. Operation of bench scale study of swine waste digestion in upflow sludge bed digesters.

1983 - 1984: Residential Building and Construction of custom designed homes with Contractor David Cole, Moneta, VA. Plumbing, electrical wiring, rough and finish carpentry.

1982 - 1983: Engineering Officer Trainee, promoted to General Engineer for Veterans Administration Medical Center in Tuscaloosa, AL. Supervisor: George Zak, P.E., Asst. Chief Engineering Service. Responsibilities included supervision and design of plans and specifications for maintenance and construction contracts. Supervised extensive asbestos removal projects.

1982: Student Technician for Dr. Jack Parker of Va. Tech Agronomy Dept. Responsible for programming computers to calculate unsaturated hydraulic conductivity from in situ measurements.

1981: Student Technician for Dr. Hughs of Va. Tech Agricultural Engineering Dept. Fabrication and installation of solar panels for Energy Extension Program.

 

CONSULTING ASSOCIATIONS

Company Location Contact Year
Anaerobic Technologies, LLC New Orleans, LA Dave Wyatt 2006
Soil & Water Science Dept., University of Florida Gainesville, FL Ann C. Wilkie, Ph.D. 2004
R. Stuart Royer and Associates, Inc Richmond, VA William Randell, PE 2004
Biotech Systems, LLC Gainesville, FL Mark Robertson 2003
Ixion Biotechnology, Inc Gainesville, FL Harmeet Sidhu 2002
Soil & Water Science Dept., University of Florida Gainesville, FL Ann C. Wilkie, Ph.D. 2001
PJK Inc. New York, NY Paul Kallan 1998
Gainesville Regional Utilities Gainesville, FL John Regan, P.E. 1998
ABC Research Corp. Gainesville, FL Diane Northcott 1998
ABC Research Corp. Gainesville, FL Lloyd Woolsey, Ph.D. 1997
Gaffney Engineering Gainesville, FL Jerry Gaffney, P.E. 1996
Pragmatic Environmental Solutions Company Roanoke, VA Luke Staengl, President 1996
Gainesville Regional Utilities Gainesville, FL John Regan, P.E. 1995
Soil & Water Science Dept., University of Florida Gainesville, FL Ann C. Wilkie, Ph.D. 1995
Kenetech Resource Recovery, Inc. Sarasota, FL Richard Schroeder 1995
Kimberly-Clark Corporation Neenah, WI Ben Minerath 1993
McPherson, Coffey, and Kalishman, P.A. Gainesville, FL John McPherson 1993
Biorganic Energy, Inc. San Juan, Puerto Rico Rafael San Migel 1992
Sybron Biochemical Division Salem, VA Jessi Tisinger 1992
Little River Brewery Floyd, VA John Winnicki 1992
UNISYN Biowaste Technology Waimanalo, HI Matt Lyum 1992
BioRegional Energy Associates, Ltd. Floyd, VA Luke Staengl 1990
Floyd Agricultural Energy Corp., Ltd. Floyd, VA Jeff Walker 1990
RAD Environmental Services Durham, NC Marc Y. Menetrez, Ph.D. 1986

PROPOSALS FUNDED

Contributing investigator to "Conversion of sugar beet tailings to electricity". 2006, $1 million 3-yr demonstration project funded by Exel Energy to UF and American Crystal Sugar Company.

"Biochemical Methane Potential of Screwworm Production Wastewater from Chiapas MX". 2004 by R. Stuart Royer and Associates Inc., Richmond VA. 

"Technical evaluation of fixed-film anaerobic digestion of flushed dairy manure" Subcontract to Soil and Water Sciences Department,  Univ. of Florida, 2003.

"Process Development for Scale-up Production of Oxalobacter formigenes for Use as a Probiotic" Ixion Biotechnology, Inc. 2002.

"Technical evaluation of water use and waste production for flushed dairy manure" Subcontract to Soil and Water Sciences Department,  Univ. of Florida, 2001.

"Technical evaluation of the use of benthic algal growth chambers for the recovery of nutrients from flushed dairy manure" Subcontract to Soil and Water Sciences Department,  Univ. of Florida, 2000.

"A Proposal for the Design of SPIC petrochemicals PTA wastewater system." Pragmatic Environmental Solutions Company, Roanoke, VA, 1996.

"Beneficial Use of Biosolids Through Biological Enhancement of Landfills." Gainesville Regional Utilities Water and Wastewater Engineering Division, 1995.

"Percolating-bed anaerobic composting of food waste", USDA SBIR Fiscal Year 1995 Phase I Proposal $55,000.

"Technical Evaluation of Anaerobic Digestion and By-product Recovery in the Biomass to Fuel Ethanol Industry," subcontract to Univ. of Florida, as part of NREL funded project, 1995.

"Biochemical Methane Potential of Two Poultry Industry Waste Streams," $3,900 funded in 1992 by Biorganic Energy, Inc. to Full Circle Associates of Gainesville, FL.

"The Use of UASB Digesters for Treating Fuel Ethanol Wastewaters," $39,200 funded by DOE through TVA's 1987 SERBEP program to BioRegional Energy Associates, Ltd. of Floyd, VA. Principal Investigator, Brecc Avellar.

Teaching grant for Chiapas, Mission Teaching Foundation, 10/97.

TEACHING EXPERIENCE

Ph.D. Committee member for Wei Lui,.2004-2007.
Mentor for Patrick Haley's Masters Thesis research 2002-2003.
Instructor for ABE 2062 Biology for Engineers, Spring 2006 and 2007.
Instructor for ABE 3062L Biological Engineering Laboratory Spring 2003 and 2004.
Lecturing and Lab Instructor for ABE 4660 Bioprocess Microbiology 1998-current.
Instructor for IIE Course on Waste to Energy, 1998.
Workshop instructor in University of Chiapas, Tuxtla Gutierrez, Mexico 11/97 "Biogasification of Wastes and Energy Crops."
Advisor for Donald Kolle, high school science teacher in Victoria, TX, for his NSF summer enrichment program.
Development of web-based course materials for ABE 2062 and ABE 4660.
Substitute teaching in Alachua County Florida Schools, 1996.
Mentor to Sharon Becca on Masters Thesis on Aquiculture, 1995.
Advisor for High School student Erika Oelfke in project investigating Biodegradation of MSW components and for High School student Michael E. Cummings in investigating Toxicity of Ink in Newsprint Digestion.
Lectured and taught labs on biochemical methane potential assays, brewing, ethanol production, anaerobic digestion and composting.
Guest lecturer on anaerobic wastewater treatment of distillery wastes using UASB reactors for wastewater treatment course.
Trained technicians on proper operations and procedures for full-scale UASB digester treating ethanol plant wastewaters.

PROFESSIONAL AFFILIATIONS

Registered Professional Engineer-In-Training. VA (No. 9638)
Past Member ASAE
Current member of the Society for Industrial Microbiology

HONORS AND ACTIVITIES

Co-inventor of Patent:  us 7,153,428 B2. Flooded Densified Leachbed Anaerobic Digestion, 2006.
NASA Certificate of Recognition for Tech Brief "Flooded Densified Leachbed Anaerobic Digestion" 2007.
Proposal reviews 1995-present, 16 USDA proposals, 7 WRBEP proposals, 7 SBIR proposals
Technical journal reviews 1995-present, 40 manuscripts.
Natural Areas Manager workshop, "Managing ecosystems through inter-agency teamwork".
Volunteer Coordinator for Santa Fe Springs Water Quality Working Group.
Honorary Guest Speaker, Dept of Bioresource Engineering, University of Arizona.
Dept. Representative for the Grad. Student Council.
Grad. Student Representative on Graduate Council.
Member Alpha Epsilon.
Completion of Graduate Engineer Training Program, Dept. of Medicine and Surgery of the Veterans Administration.
Second place in 1981 SE Region ASAE Paper Competition.
Virginia Tech's Dean's List for six quarters.
Enjoy guitar, flute, gardening, cooking, brewing, sailing, canoeing.

 

JOHN M. OWENS PUBLICATIONS

PUBLICATIONS SUMMARY

Type of Publications Number
Refereed 16
Non-Refereed 17
Other 11
Total 44

REFEREED PUBLICATIONS

  1. Chynoweth, D. P., J. M. Owens, A. A. Teixeira, P. Pullammanappallil and S. S. Luniya.  2006.  "Anaerobic digestion of space mission wastes.  Water Science and Technology. 53(8), pp. 177-185,"  In Press.
  2. Teixeira, A, Chynoweth, D.P, , Owens, J., Rich, E., Dedrick, A., and Haley, P.  Prototype space mission SEBAC biological solid waste management system.  34 Internat. Conf. on Environ. Systems (ICES).  Paper 2004-ICES-098.
  3. Chynoweth, D.P, Haley, P, Owens, J., Teixeira, A., Welt, B., Rich, E., Townsend, T., and Choi, H.  Anaerobic digestion for Reduction and stabilization of organic solid wastes during space missions:  laboratory studies.  32 Internat. Conf. on Environ. Systems (ICES).  paper 2002-01-2351.  
  4. Xu, Qiyong, Townsend, T., Chynoweth, D.P, Haley, P., Owens, J., Rich, E., Maxwell, S., and Choi, H.  “Anaerobic Digestion for Reduction and stabilization of organic solid wastes during space missions:  Systems Analysis.  32 Internat. Conf. on Environ. Systems (ICES).  paper 2002-01-2521.  
  5. Wilkie, A.C., H. F. Castro, S. C. Yan, J. M. Owens, K. R. Cubinski. Fixed film anaerobic digestion of flushed dairy manure after primary treatment at a Florida dairy: wastewater production and characterization. Biosystems Engineering, 89(4), pp. 457-471.  2004.  
  6. Chynoweth DP, Owens JM, Legrand R., Renewable methane from anaerobic digestion of biomass.RENEW ENERG 22 (1-3): 1-8 JAN-MAR 2001  
  7. Wilkie, A.C., Riedesel, K.J., Owens, J.M. "Stillage characterization and anaerobic treatment of ethanol stillage from conventional and cellulosic feedstocks," Biomass and Bioenergy, 19 63-102, 2000.  
  8. Chynoweth, D.P., Wilkie, A. C., and Owens, J. M. "Anaerobic Treatment of Piggery Slurry." Asian-Aus. J. Anim Sci. 12(4), 1999, 607-628.  
  9. O'Keefe, D.M., Owens, J.M., and Chynoweth, D.P., "Anaerobic Composting of Crab-picking Wastes for Byproduct Recovery," Bioresource Technology, 58, 265-272, 1996.  
  10. Chynoweth, D.C., S.A. Svoronos, G. Lyberatos, J.L. Harmon, P. Pullammanappallil, J.M. Owens, and M.J. Peck. "Real-time expert system control of anaerobic digestion," p. 21-30, In T.J. Britz and F.G. Pohland (ed.), Anaerobic Digestion VII, Vol 30(12). Water Sci. Tech. Pergamon Press, United Kingdom, 1995.  
  11. Chynoweth, D.P., S.A. Svoronos, G. Liberatos, J. Harmon, P. Pullammanappallil, and J. Owens, "Real-time expert system control of anaerobic digestion," Water Science and Technology, Vol. 30, No. 12, pp. 21-29, 1994. 
  12. Chynoweth, D.P., C.E. Turick, J.M. Owens, D.E. Jerger, and M.W. Peck, "Biochemical Methane Potential of Biomass and Waste Feedstocks", Biomass and Bioenergy, Vol. 5, 95-111, 1993.  
  13. O'Keefe, D. M., Chynoweth, D. P., Barkdoll, A. W., Nordstedt, R. A., Owens, J. M., and Sifontes, J., "Sequential Batch Anaerobic Composting," Water Science and Technology, Vol. 27, pp. 77-86, 1993. 
  14. Owens, J.M. and D.P. Chynoweth, "Biochemical Methane Potential of Municipal Solid Waste (MSW) Components", Water Science and Technology, Vol. 27, No. 2, pp. 1-14, 1993.  
  15. Chynoweth, D.P., J. Owens, D. O'Keefe, J.F.K. Earle, G. Bosch, and R. Legrand, "Sequential Batch Anaerobic Composting of the Organic Fraction of Municipal Solid Waste," Water Science and Technology, Vol. 25, No. 7, pp. 327-339, 1992. 
  16. Chynoweth, D. P., Bosch, G., Earle, J. F. K., Owens, J., and Legrand, R., "Sequential Batch Anaerobic Composting of the Organic Fraction of Municipal Solid Waste, "Water Science and Technology, 25(7), 327-339, 1992.

 NON-REFEREED PUBLICATIONS

  1. Chynoweth, D. P., J. M. Owens, A. A. Texeira, P. Pullammanappallil and S. S. Luniya.  2005.  'Anaerobic digestion of space mission wastes."  Proceedings of 4th International Symposium on Anaerobic Digestion of Solid Waste," 31 Aug- 2 Sept, 2005, Copenhagen.

  2. Chynoweth, D.P., Haley, P., Owens, J., Teixeira, A, Townsend, T., Xu, Q, and Choi, H.L.  “Anaerobic composting for recovery of nutrients, compost, and energy during space missions.”  Paper presented at the ORBIT Conference, Perth, Australia.  2003.

  3. Chynoweth, D. P., Svoronos, S. A., Lyberatos, G., Harman, J. L., Pullammappallil, P., Owens, J. M., and Peck, M. J., "Real-Time Expert System Control of Anaerobic Digestion," Proc. Seventh International Conference on Anaerobic Digestion, Capetown, South Africa, 1994.
  4. Owens, J. M., Chynoweth, D. P., and Svoronos, S. A., "Fluorescence Detection of Inhibition in Anaerobic Digestion," Proc. Seventh International Conference on Anaerobic Digestion, Capetown, South Africa, 1994.
  5. Pullammanappallil, P., Svoronos, S., Lyberatos, G., Owens, J., and Chynoweth, D., "Stable Performance of Anaerobic Digestion in the Presence of High Concentrations of Propionic Acid," Proc. Seventh International Conference on Anaerobic Digestion, Capetown, South Africa, 1994.
  6. Chynoweth, D.P. and John M. Owens, "The anaerobic option for solid waste processing", Invited paper for Proceeding of the 1992 BioWaste Symposium in Copenhagen.
  7. Chynoweth, D.P., D.M. O'Keefe, A.W. Barkdoll, J.M. Owens, and R. Legrand, "Sequential Batch Anaerobic Composting (SEBAC) of Solid Wastes", Invited paper for Proceeding of the 1992 BioWaste Symposium in Copenhagen.
  8. Chynoweth, D.P., D.M. O'Keefe, A.W. Barkdoll, J.M. Owens, J.F.K. Earle, and R. Legrand "Aerobic versus anaerobic composting of municipal solid waste," Proceedings of Energy from Biomass and Wastes XVI, Orlando, FL, March 2-6, 1992.
  9. O'Keefe, D.M., D.P. Chynoweth, A.W. Barkdoll, R. Nordstedt, J.M. Owens and J. Sifontes, "Sequential Batch Anaerobic Composting," For: Proceedings of the International Symposium on Anaerobic Digestion of Solid Waste, Venice, Italy, 15-17 April, 1992.
  10. Owens, J.M. and D.P. Chynoweth, "Biochemical Methane Potential of MSW Components", For: Proceedings of the International Symposium on Anaerobic Digestion of Solid Waste, Venice, Italy, 15-17 April, 1992.
  11. Owens, J.M., P.C. Pullammanappallil, D.P. Chynoweth, and S.A. Svoronos, "NAD(P)H and F420 Fluorescence Monitoring in Anaerobic Digestion", For: Proceedings of 5th International Conf. on Comp. Appl. to Fermentation Technology and 2nd IFAC Symposium on Modeling and Control of Biotechnical Processes, Keystone, Colorado, March 29 - April 2, 1992.
  12. Capece, J.C., J.M. Owens and K.L. Cambell, "Denitrification of Ground-Water Samples for Improved Ion Chromatography Detection of Bromide Tracers," ASAE Paper No. 912142, 1991.
  13. Chynoweth, D.P., G. Bosch, J.F.K. Earle, J. Owens, and R. Legrand, "Sequential Batch Anaerobic Composting of the Organic Fraction of Municipal Solid Waste," In: Paper Preprints: Sixth International Symposium on Anaerobic Digestion, Sao Paulo, Brazil, pp. 319-330, 12-16 May, 1991.
  14. *Chynoweth, D.P. and J.M. Owens (Presenting Author), "Sequential Batch Anaerobic Composting of Municipal Solid Waste Fractions," 1991 Southern Biomass Conference, Baton Rouge, LA, Jan. 7-10, 1991.
  15. *Owens, J.M., D.P. Chynoweth, P.C. Pullammanappallil, and S.A. Svoronos, "Fluorescence Monitoring in Anaerobic Digestion," ASAE Paper No. 917561, ASAE 1991 International Winter Meeting, Chicago, IL, 1991.
  16. *Owens, John M., Brecc K. Avellar, and Jessi Tisinger, "Laboratory Investigations and Full Scale Operating Characteristics of a UASB Digester Treating Distillery Wastewaters," Southern Biomass Conference, Auburn, AL, July 26-28, 1988.
  17. Safley, L.M. and J.M. Owens," Characterization of Poultry Digester Influent and Effluent and Potential of Settling Influent Grit," Technical Notes, Transactions of the ASAE, Vol. 29(5), 1986.

 OTHER PUBLICATIONS AND PRESENTATIONS(*)

  1. Owens, J.M., "A Proposal for the Design of SPIC petrochemicals PTA wastewater system." Report submitted to PESCO, 1996.
  2. Lane, Paul and John Owens, "Sequential Batch Anaerobic Composting" A handout presented at a field day lunch of demonstrating biogas cooking of fish and chicken held 3/22/95 at the Swine Research Unit at the University of Florida, 1995.
  3. Owens, J.M. "Beneficial Use of Biosolids Through Biological Enhancement of Landfills." A Technical Memorandum for Gainesville Regional Utilities Water and Wastewater Engineering Division, 1995.
  4. Owens, J.M. "Technical Evaluation of Anaerobic Digestion and By-product Recovery in the Biomass to Fuel Ethanol Industry." Subtask to Report for NREL, 1995.
  5. Owens, J.M., "Fluorescence Detection of Inhibition in Anaerobic Digestion," Ph.D. Dissertation, University of Florida, 1993.
  6. Chynoweth, D.P., T.H. Chen, D.M. O'Keefe, and J.M. Owens, "Biological Assessment of Anaerobic Digestion of Municipal Solid Waste," Final Report to SERI, U.S. DOE Contract #DE-ACO2-83CH10093, May 30, 1991.
  7. Pullammanappallil, P.C., J.M. Owens, S.A. Svoronos, and D.P. Chynoweth, "Development of an Expert System to Avoid Failure of Anaerobic Treatment Systems", In: Env. Research at the Univ. of Florida, 5th Annual Poster Session, Nov. 5, 1991, University of Florida, Gainesville.
  8. *Owens, J.M., D.P. Chynoweth, and J.F.K Earle, "Sequential Batch Anaerobic Composting of Municipal Solid Waste", Poster presented at Environmental Research at the Univ. of Florida Poster Session, Oct. 30, 1990, and at Earth Day 1990 at Florida Museum of Natural History.
  9. Owens, John M., "New Wastewater Treatment Suited to Ethanol Industry," Alcohol Outlook, Advertising Supplement, Information Resources, Inc., Washington D.C., Nov., 1987.
  10. Owens, John M.,"The Use of Granular Sludge from Upflow Anaerobic Sludge Bed Digesters for Treating Flushed Screened Swine Wastewaters at Ambient and Mesophilic Temperatures," Masters Thesis, North Carolina State University, 1987.
  11. Owens, J.M.,"The Effects of Core Area on the Measurement of Saturated Hydraulic Conductivity of Sands," Senior Paper in Ag. Eng. Dept. at Virginia Tech (VPI&SU), 1981.

* Indicates presentation by Owens.

Last Edited: 04/25/08