VITAE

David A. Vaccari, Ph.D., P.E.

Associate Professor

Department of Civil, Environmental and Coastal Engineering

Stevens Institute of Technology, Hoboken, NJ 07030

PHONE: (201) 216-5570; FAX: (201) 216-5352;
E-MAIL: dvaccari@stevens-tech.edu

EDUCATION:

Rutgers University, New Brunswick NJ

Ph.D. in Environmental Science (1984). Thesis: Modeling and Simulation of Compressive Gravity Thickening of Activated Sludge.

M.S. in Chemical Engineering (1983). Thesis: Mean Cell Residence Time in a Nonsteady-state Activated Sludge System.

M.S. in Environmental Science (1979).

B.S. in Environmental Science (1974).

PROFESSIONAL EXPERIENCE:

Stevens Institute of Technology, Hoboken NJ

ASSISTANT PROFESSOR -- January 1985 to August 1989

ASSOCIATE PROFESSOR -- September 1989 to present

Research interests: Biological control processes: Control theory applied to the activated sludge process; modeling of compression in gravity thickening of sludge; nonlinear time-series analysis for system identification. Physicochemical control processes: Air-stripping for removal of volatile organics. Pollution transport in the environment: Adsorption hysteresis in groundwater. Process Modeling: Nonlinear time-series analysis.

Thesis advising:

Riyad M.F. Musa Ahmad, Ph.D. "Phenomenological investigation of ozonation of phenol and other organic compounds by the integrated adsorption/oxidation process: kinetics, reactor design and economics" (1991).

Christos E. Christodoulatos, Ph.D. "System identification for process control of the activated sludge process using multiple regression models" (1991).

Stephen T. Boswell, Ph.D. "Membrane air stripping utilizing a plate and frame configuration" (1991).

YuHong Jiang, M.E. "Anaerobic digestion of methanol solution in presence of halocarbon compounds" (1991).

Russell Ford, M.E., "A numerical model to evaluate the physical and chemical interactions for several inorganic substances in packed tower air stripping" (1991).

Nicolaos A. Gargoulas, "Biodegradation of cellulose products" (1992).

Lauren M. Bradford, M.E., "A leachability study of organics from concrete containing petroleum contaminated soil and fly ash" (1992).

Hossam S. Ezeldin, M.E., "Migration of organics from petroleum contaminated soil solidified in fly ash concrete", (1993).

Kenneth F. Cacossa, Ph.D. "Calibration and validation of a compressive gravity thickening model from continuous and batch experiments with activated sludge" (1994).

Edward Wojciechowski, M.E., "An Investigation of Artificial Neural Networks for Function Approximation", (1994).

ReSource Technologies, Inc. ENGINEERING CONSULTANT -- March 1988 to present

Responsible for design and testing of packed-column air-stripping equipment for the removal of volatile organic compounds from drinking water and wastewater.

Developing new technologies for solvent recovery from air, and for point-of- use and point-of-entry removal of VOCs from drinking water.

Envirosystems Company PRINCIPAL CONSULTANT -- June 1982 to January 1985

Development and marketing of software product for unit process simulation and control.

SCIENTIFIC AND PROFESSIONAL SOCIETIES:

Water Environment Federation (Technical Practice Committees for Wastewater Biology Manual of Practice and for Instrumentation and Control)

American Institute of Chemical Engineers

American Society of Civil Engineers (Clarifier Research Technical Committee)

Association of Environmental Engineering Professors

International Association of Water Quality (Specialist Group on Computing)

CERTIFICATIONS AND AWARDS:

Licensed Professional Engineer, New Jersey, 1989

S-4 Wastewater Treatment Plant Operator's License

Stationary Engineer (High Pressure Boiler Operator's License)

Outstanding Young Man of America, 1985

International Assoc. on Water Quality USA National Committee Founders Award for outstanding paper in Water Research by an US author, 1994,
(for Christodoulatos & Vaccari, 1993).

REPRESENTATIVE PUBLICATIONS

Papers:

Guha, A.K., P.V. Shanbhag, K.K. Sirkar, D.A. Vaccari, D.H. Trivedi,"Multiphase Ozonolysis of Organics in Wastewater by a Novel Membrane Reactor", J. Am. Inst. of Chem. Eng., v41, n8, pp1998-2012 (1995).

Cacossa, K. and D.A. Vaccari, "Prediction of Continuous Thickening from Batch Experiments", Water Science and Technology , July 1994.

Guha, A.K., C.H. Yun, P.V. Shanbhag, D. Trivedi, D. Vaccari, K.K. Sirkar, "Novel Membrane Based Separation and Oxidation Technologies", Waste Management, v13, p395-401 (1993).

Vaccari, D.A. and C. Zelin, "Air Stripping Mass Transfer Correlation for Structured Packing", submitted to JAWWA , (1992).

Ezeldin, A.S., D.A. Vaccari, L. Bradford, S. Dilcer and E. Farouz, "Stabilization and Solidification of Hydrocarbon-Contaminated Soils in Concrete", J. Soil Contam., v1, n1, 61-79 (1992).

Vaccari, D.A. and C. Christodoulatos, "Generalized Multiple Regression with Interaction and Nonlinearity for System Identification in Biological Treatment Processes", Trans. Instr. Soc. Am. v31, n1, p97-102 (1992).

Christodoulatos, C., D.A. Vaccari, "Correlations of Performance for Activated Sludge Using Multiple Regression with Autocorrelation", Water Research, v27, n1, pp51-62 (1993).

Vaccari, D.A., and C. Christodoulatos, "A Comparison of Several Control Algorithms for Activated Sludge Waste Rate", Wat. Sci. Tech. vol 21, pp. 1249-1260, (1989).

Vaccari, D.A., A. Cooper, and C. Christodoulatos, "Feedback Control of Activated Sludge Waste Rate", JWPCF, v60, n11, p 1979-1985, (1988).

Vaccari, D.A., M. Kaouris, "A Model for Irreversible Adsorption Hysteresis", J. Env. Sci and Health, Part A -- Env. Sci. and Engg., 23, 8, (1988).

Vaccari, D.A., T. Fagedes, and J. Longtin, "Mean Cell Residence Time in a Nonsteady-State Activated Sludge System", Biotechnology and Bioengineering, v. 27,pp. 695-703, (1985).

E. Wojciechowski, D.A. Vaccari, "Neural Networks as Function Approximators: Teaching A Neural Network to Multiplypresented at the IEEE World Congress on Computational Intelligence, Orlando, FL, June 1994.

Cacossa, K. and D.A. Vaccari, Prediction of Continuous Thickening from A Single Batch Experiment, Water Science Technology, v30, n8, pp107-116 (1994).

Meegoda, J. B. Librizzi, G.F. McKenna, W. Kamolpornwijit, D. Cohen, D.A. Vaccari, S. Ezeldin, L.Walden, B.A. Noval, R.T. Mueller, S.Santora,"Remediation and Reuse of Chromium Contaminated Soils through Cold-Top Ex-situ Vitrification", The 27th Mid-Atlantic Industrial and Hazardous Waste Conference, Lehigh Univ., Bethlehem, PA, 1995.

"Predicting Process Performance with Polynomials", D.A. Vaccari and E. Wojciechowski, WEF Specialty Conf. "Automating to Improve Water Quality", Minn., MN, June 25-28, 1995.

"Nonlinear Analysis of Retail Performance", D.A. Vaccari, presented at the IEEE/IAFE Conf. on Computational Intelligence for Financial Engineering, March 24-26, 1996, New York, New York.

"A Hybrid Deterministic/Nonlinear Stochastic Model of the Activated Sludge Process", D.A. Vaccari, S. Rivera, D. McMahon, W. Ward, and E. Wojciechowski, Envirosoft '96, September 18-20, 1996, Como, Italy.

"Polynomial Time-Series Modeling of Predator-Prey Population Dynamics", D.A. Vaccari and L. Walden, in preparation (1996).

Books and Chapters:

Alleman, J.E., M.W. Sweeney, and D.A. Vaccari, "Applying Instrumentation and Automation in Environmental Engineering:Water and Wastewater", editors, ISA Transactions, v31,n1,1992.

"Automated Process Control", in Water Pollution Control Federation Manual of Practice 21 "Instrumentation in Wastewater Treatment Plants", with W. Joseph Myers, (in press, 1992).

"Sludge Waste Control", Chapter 10, Section D of "Automated Process Control Strategies for Wastewater and Sludge Treatment Plants", a Special Publication to be published by the Water Environment Federation, R. Hill, editor.