Richard Speece

PUBLICATIONS

 
 
 
      Peer Reviewed Journal Articles

135 Peer Reviewed Publications

REFEREED PUBLICATIONS

1 Estimating Reservoir Yields on a Digital Computer (with Samuel Jacobsen and Everett L. MacLeman), J. Am. Water Works Assn., Vol. 51 (January 1959), p. 51.

2 Nutrient Requirements and Biological Solids Accumulation in Anaerobic Digestion (with P.L. McCarty), Proceedings First Intl Conference on Water Pollution Research, London (1962).

3 The Response of Activated Sludge to Nitrogen-Deficient Conditions (with C.V. Ramarao and R.S. Engelbrecht), J. Water Pollution Control Fed., Vol. 37 (October 1965), pp. 1422-1436.

4 Review of Supplemental Reaeration of Flowing Streams (with Edward L. Thackston), J. Water Pollution Control Fed., Vol. 38 (October 1966), p. 1614.

5 Supplemental Reaeration of Lakes and Reservoirs (with Edward L. Thackston), J. Am. Water Works Assn., Vol. 58 (October 1966), p. 1317.

6 Role of Enzymes in the Contact Stabilization Process (with R.H. Siddiqi and R.S. Engelbrecht), Proceedings of Third International Conference on Water Pollution Research, Munich (1996).

7 Elimination of Nitrification in the BOD Determination with 0.1 M Ammonia Nitrogen (with R.H. Siddiqi and R.S. Engelbrecht), J. Water Pollution Control Fed., Vol. 39 (April 1967), pp. 579-589.

8 Effect of Stabilization Period on the Performance of the Contract Stabilization Process (with R.H. Siddiqi and R.S. Engelbrecht), J. Water Pollution Control Fed., Vol. 39 (July 1967), pp. 1211-1222 (also published in Water Reuse, Chemical Engineering Progress Symposium Series, Vol. 63, No. 79, 1967).

9 Starch Removal with Non-Acclimated Activated Sludges (with S.K. Banerji, B.B. Ewing, and R.S. Engelbrecht, Water and Sewage Works, April 1967.

10 Microbial Substrate Storage in Activated Sludge (with C.F. Walters and R.S. Engelbrecht), J. San. Eng. Div., Am. Soc. Civ. Eng., Vol. 94 SA2 (April 1968), pp. 257-270.

11 Mechanism of Starch Removal in Activated Sludge Process (with S.K. Banerji, B.B. Ewing and R.S. Engelbrecht), J. Water Pollution Control Fed., Vol. 40 (January 1968), pp. 16-22)

12 Kinetics of Removal of Starch in Activated Sludge System (with S.K. Banerji, B.B. Ewing, and R.S. Engelbrecht), J. Water Pollution Control Fed., Vol. 40 (January 1968), pp. 23-29.

13 U-Tube Stream Reaeration Public Works, Vol. 100 (August 1969), pp. 111-113.

14 U-Tube Aeration Operating Characteristics (with J.L. Adams and C.B. Wooldridge), J. San. Eng. Div., Am. Soc. Civ. Eng., SA3 (June 1969), pp. 563-574.

15 U-Tube Oxygenation of Economical Saturation of Fish Hatchery Water Trans. Am. Fisheries Soc., Vol. 98, No. 4 (October 1969), pp. 789-795.

16 The Use of Pure Oxygen in River and Impoundment Aeration Proceedings of 24th Purdue Industrial Waste Conference, May 1969.

17 Design of U-Tube Aeration Systems (with R. Orosco), Am. Soc. Civ. Eng. Div., SA3 (June 1970), pp. 715-725.

18 The pH Tolerance of Anaerobic Digestion (with Ralph Clark), Proceedings of Fifth International Conference of Water Pollution Research, San Francisco (1970).

19 Aeration of Oxygen Deficient Impoundment Releases Proceedings of Fifth International Conference on Water Pollution Research, San Francisco (1970).

20 Downflow Bubble Contact Aeration (with Marcos Madrid and K. Needham), Am. Soc. Civ. Eng., San. Eng. Div., SA4 (August 1971), pp. 433-441.

21 The Effect of Short Term Temperature Variations on Methane Production (with Jan Kem) J. Water Pollution Control Fed., Vol. 42, (November 1970), pp. 1990-1997.

22 Hypolimnion Aeration J. Am. Water Works Assn., Vol. 63 (January 1971), pp. 6-9.

23 Research Needs in Sanitary Engineering (chaired committee), J. San. Eng. Div., Am. Soc. Civ. Eng. SA2 (April 1972), pp. 299-304.

24 Carbon Dioxide Stripping from Oxygen Activated Sludge Systems (with M.J. Humenick), J. Water Pollution Control Fed., Vol. 45 (March 1973), pp. 412-423.

25 Cell Replication and Biomass in the Activated Sludge Process (with r.s. engelbrecht and D.R. Aukamp), Water Research, Vol. 7 (1963), pp. 361-374.

26 Trout Metabolism Characteristics and the Rational Design of Nitrification Facilities for Water Reuse in Hatcheries Trans. Am. Fisheries Soc., Vol. 102 (1973), pp. 323-334.

27 Solids Thickening in Oxygen Activated Sludge (with M.J. Humenick), J. Water Pollution Control Fed., Vol. 46 (January 1974), pp. 43-52.

28 Invited Discussion of Ten Years Experience of Reservoir Aeration Proceedings of Seventh International Conference on Water Pollution Research, Paris (1974).

29 Application of a Low Energy Pressurized Gas Transfer System to Dissolved Air Flotation and Oxygen Transfer (with R.H. Siddiqi and R.P. Aubert), Proceedings 30th Purdue Industrial Waste Conference, May 1975.

30 Flow Equalization Utilizing Aeration Tank Volume (with M. LaGrega), J. Water Pollution Control Fed., Vol. 48 (November 1976), pp. 2599-2608.

31 Hydrodynamics of Bubble Plumes and Oxygen Absorption in Stratified Impoundments (with F. Rayyan), Proceedings of Eight International Conference on Water Pollution Research, Sydney (1976).

32 The Effect of Petrochemical Structure on Methane Fermentation Toxicity (with W. Lin Chou, R.H. Siddiqi, and K. McKeon), Prog. in Wat. Tech., Vol. 10 (1978), pp. 545-558.

33 Pressurized Low Energy Gas Transfer (with R.H. Siddiqi, R. Aubert, and E. DiMond), International Research Symposium on New Processes of Waste Water Treatment and Recovery, Horwood, G.B. (1979), pp. 34-45.

34 Supplemental Reaeration of Urban Canals Prog. in Wat. Tech., Vol. 11, No. 3 (1979), pp. 205-216.

35 Oxygenation, North Atlantic Treaty Organization for Advanced Study Institute on Sludge Management, (1979).

36 Acclimation and Degradation of Petrochemical Wastewater Components by Methane Fermentation (with W.L. Chou, R.H. Siddiqi), Biotech and Bioeng., Vol. 8 (1979), pp. 391-414.

37 Pilot Performance of Deep U-Tubes (with D. Gallagher, C. Krick, and R. Thompson), Prog. in Wat. Tech., Vol. 12 (1980), pp. 395-407.

38 The Response of Methane Fermentation to Cyanide and Chloroform (with J. Yang, G.F. Parkin, J. Gossett, and W. Kocher), Prog. in Wat. Tech., Vol. 12 (1980), pp. 977-989.

39 Methane Fermentation of Industrial Wastewater Keynote Address IV International Congress on Fermentation, London, Ontario (July 1980).

40 Management of Dissolved Oxygen and Nitrogen in Fish Hatchery Waters Bioengineering Symposium on Fish Hatchery Design, American Fisheries Soc. (1991), pp. 53-62.

41 Hypolimnion Oxygenation Studies in Clarks Hill Lake (with C.A. Givler, R. Aubert, J. Crate, R. Caire and R.H. Siddiqi), J. Am. Soc. of Civil Engineers, Vol. 108, HY2 (1982), pp. 225-244.

42 Modeling Toxicity in Methane Fermentation Systems (with G.F. Parkin), J. Am. Soc. Civil Engr., Vol. 108 EE3 (1982), pp. 515-531.

43 Attached vs. Suspended Growth Anaerobic Reactors: Response to Toxic Substances (with G.F. Parkin), Progress in Water Tech. (1982), pp. 357-370.

44 U-Tube Aeration Sensitivity to Design Parameters (with J.W. Eheart and C.A. Givler), J. Water Pollution Control Fed., Vol. 55 (1983), pp. 1065-1069.

45 Response of Methane Fermentation Systems to Industrial Toxicants (with G.F. Parkin, J. Yang and W.M. Kocher), J. Water Pollution Control Fed., Vol. 55 (1983), pp. 44-52.

46 Nickel Stimulation of Anaerobic Digestion (with G.F. Parkin and D. Gallagher), Water Research, Vol. 17 (1983), pp. 677-683.

47 Anaerobic Biotechnology for Industrial Wastewater Treatment Environ. Science and Tech., Vol. 17, No. 9 (1983), pp. 416A-427A.

48 The Response of Methane Bacteria to Toxicity Third Intl Symposium on Anaerobic Digestion, Boston (1983).

49 Water Quality Management of Hydropower Discharges Proc. International Conference on Hydropower, TN (September 1983).

50 Toxicity in Anaerobic Digestion Fourth International Symposium on Anaerobic Digestion, Guangzhou, China (1985).

51 Review Environmental Requirements for Anaerobic Digestion of Biomass Adv. in Solar Energy, Vol. 2 (185), pp. 51-123.

52 Anaerobic Biological Waste Treatment Chemical Engineering Progress (1984), pp. 55-58.

53 Effects of Engineering Controls on Methane Fermentation Toxicity Response (with J. Yang), J. Water Pollution Control Fed., Vol. 57 (1985), pp. 1134-1141.

54 Anaerobic Treatment of Coal Conversion Wastewater Constituents: Biodegradability and Toxicity (with D. Blum, R. Hergenroeder, and G.F. Parkin), J. Water Pollution Control Fed., Vol. 58 (1986), pp. 122-131.

55 Effects of Chloroform Toxicity on Methane Fermentation (with J. Yang), Water Research, Vol. 20 (1986), pp. 1273-1279.

56 The Response, Acclimation, and Remedial Treatment of an Enriched Methanogenic Culture to Cyanide (with J. Yang), Toxicity Assessment: An International Quarterly, Vol. 1 (1986), pp. 431-454.

57 Trace Nutrient Requirements of Anaerobic Digestion (with G.F. Parkin, S.K. Bhattacharya and M. Takashima) (1986) European Wastewater Treatment Anaerobic Digestion, A Mature Technology, Amsterdam, pp. 175-188.

58 Anaerobic Treatment Nutrient Stimulation and Toxicity Response (with G.F. Parkin) (1986) Anaerobic Digestion Symposium, South Africa.

59 Modeling Toxicity Response of Anaerobic Digestion (with G.F. Parkin and S.K. Bhattacharya) Anaerobic Treatment in Tropical Countries ń Brazil (1986) Water Science and Technology, Vol. 18, No. 12 pp. 27-39.

60 Toxicity Assays and Molecular Structure Toxicity (with N. Nirmalakhandan and P. Jurs) Keynote Address Intl Conf. on Innovative Biological Treatment of Toxic Wastewaters (1986), Washington, DC.

61 Nutrient Requirements for Anaerobic Digestion Proc. 1st Symposium on Biotechnical Advances in Processing Municipal Waste for Fuels and Chemicals, Minneapolis, pp. 195-221, Noyes Data Co. (1987).

62 Designing a Cost Efficient Air-Stripping Process (with N. Nirmalakandan and Y. Lee) (1987), J. Am. Water Works Assoc., Vol. 79, pp. 56-63.

63 Nomograph for Air Stripping of Volatile Organic Contaminants from Drinking Water (with N. Nirmalakhandan and Y. Lee) (1987), J. Environ. Eng., Am. Soc. Civil Eng. Vol. 113, pp. 434-443.

64 Microcomputer pH Control of Multiple Bioreactors (with Y. Lee and M. Takashima) (1987) J. Biotech. and Bioeng. Vol. 30, pp. 329-330.

65 Advances in Anaerobic Biotechnology for Industrial Wastewater Treatment Keynote Address, Second National Conference on Anaerobic Treatment of Industrial Wastewaters (1986) Chicago.

66 A Survey of Municipal Anaerobic Sludge Digesters and Diagnostic Activity Assays (1988) Water Research Vol. 22, pp. 365-372.

67 Review Inorganic Nutrient Requirements for Methane Fermentation (1989) Critical Reviews in Environmental Control.

68 Mineral Nutrient Requirements for High Rate Methane Fermentation of Acetate at Low SRT (with M. Takashima) (1989) Wat. Poll. Control Fed. J., Vol. 161, pp. 1645-1650.

69 Design for High Purity Oxygen Absorption and Nitrogen Stripping for Fish Culture (with N. Nirmalakhandan and Y. Lee) (1988) Aquacultural Engineering, Vol. 7, pp. 201-210.

70 Optimizing Oxygen Absorption and Nitrogen Desorption in Packed Towers (with N. Nirmalakhandan and Y. Lee) (1988) Aquacultural Engineering, Vol. 7, pp. 221-234.

71 Prediction of Aqueous Solubility of Organic Chemicals Based on Molecular Structure (with N. Nirmalakhandan) (1988) Environ. Sci. & Tech., Vol. 22, pp. 328-338.

72 Prediction of Aqueous Solubility of Organic Chemicals Based on Molecular Structure. Applications to PNA’s, PCB’s, PCDD’s, etc. (with N. Nirmalakhandan) (1989) Environ. Sci. & Tech., Vol. 23, June, pp. 708-713.

73 QSAR Models for Predicting Aqueous Solubility: A Comparison of Three Major Approaches (with N. Nirmalakhandan) (1989) Geochemical Modeling of Aqueous Systems II ACS Symposium, 416, pp. 478-485.

74 QSAR Model for Predicting Henry’s Constant (with N. Nirmalakhandan) (1988), Environ. Sci. & Tech., Vol. 22, pp. 1349-1357.

75 Structure-Activity Relationships: Quantitative Techniques for Predicting the Behavior of Chemicals in the Ecosystem (with N. Nirmalakhandan) (1988) Environ. Sci. & Tech., Vol. 22, pp. 606-615.

76 Enhanced Removals of Semi-Volatile Organic Contaminants from Water by Cascade Air Stripping Pilot Scale Verification (with W. Jang and N. Nirmalakhandan) (1988) J. Am. Water Works Assoc., June, Orlando.

77 Comparison of Serum Bottle Toxicity Test with OECD Method (with N. Tang and D. Blum) (1990) J. of Environ. Eng. Am. Soc. Civil Engrs. Vol. 116, pp. 1076-1084.

78 Determining Chemical Toxicity to Aquatic Species (with D. Blum) (1990) Environ. Sci. & Tech., Vol. 24, No. 3, pp. 284-293.

79 Adsorption from Aqueous Phase by Activated Carbon: A Simplified Application of Solvophobic Theory (with N. Nirmalakhandan) (1990) Environ. Sci. & Tech., Vol. 24, No. 4, pp. 575-580.

80 Counter-Current Cascade Air-Stripping for Removal of Low Volatile Organic Contaminants (with N. Nirmalakhandan and W. Jang) (1990) Water Research, Vol. 24, No. 5, pp. 615-623

81 Mineral Requirements for Methane Fermentation (with M. Takashima) (1990) Critical Reviews in Environment Control, Vol. 19, No. 5, pp. 465-479.

82 Commercial Oxygen Use in Water Quality Management (with N. Nirmalakhandan and G. Tchobanoglous) (1990) Water Environment and Technology, Vol. 2, No. 7, pp. 54-61.

83 QSAR Based Expert System for Environmental Hazard Management (with N. Nirmalakhandan) (1990) 7th Intl Conf. Micro Computers in Civil Engineering (Orlando).

84 Evaluation of Cascade Air Stripping Pilot Scale and Prototype Studies (with Nirmalakhandan and W. Jang) (1991) American Society of Civil Engineers J. Environ. Eng. Vol. 117, pp. 788-798.

85 Cascade Air Stripping: A New Technology to Meet New Regulations (with N. Nirmalakhandan, W. Jang, G. Peace, and D. Barnes) (1991) Chemical Engineering Comm., Vol. 102, pp. 47-58.

86 Quantitative Structure Activity Relationships for Chemical Toxicity to Environmental Bacteria (with D. Blum) (1990) Ecotoxicology and Environmental Safety, Vol. 22, pp. 198-224.

87 A Database of Chemical Toxicity to Environmental Bacteria and Its Use in Interspecies Comparisons and Correlations (with D. Blum) (1991) Water Pollution Control Federation, Vol. 63, No. 3, pp. 198-207.

88 Anaerobic Biodegradation of Cyanide Under Methanogenic Conditions (with R. Fallon, D. Cooper, and M. Henson) (1991) Applied and Environmental Microbiology 57 pp. 1656-1662.

89 Environmental Response to Hazardous Chemicals (with N. Nirmalakhandan and D. Blum) (1991) Organic Substances and Sediments in Water, Vol. 2, R.A. Baker, E. Lewis Publishers pp. 323-345.

90 QSAR Parameters for Toxicity of Organic Chemicals to Nitrobacter (with N. Tang, D. Blum, and N. Nirmalakhandan) American Society of Civil Engineers J EED (1992) pp. 17-37.

91 Maximal Biodegradation Rates of Chloroform and Trichloroethylene in Anaerobic Treatment (with E. Rhee) Water Science and Tech. (1992) 25 pp. 121-130.

92 The Toxicity of Organic Chemicals to Treatment Processes (with D.J.W. Blum) Water Science and Tech. (1992) 25 pp. 121-130.

93 Cascade Air Stripping: Techno-Economic Evaluation of a New Groundwater Treatment Process (with N. Nirmalakhandan, G.L. Peace, A.R. Shanbhag) Ground Water Monitoring Review (1992) Spring, pp. 100-104.

94 Removal of 1,2 Dibromo-3-Chloropropane by Counter-Current Cascade Air Stripping (with N. Nirmalakhandan and W. Jang) (1992) Journal of Environmental Engineering ASCE 118, pp. 226-237.

95 Operation of Counter-Current Air Stripping Towers at Higher Loading Rates (with N. Nirmalakhandan, J.L. Peace, and W. Jang) (1993) Water Research 27, pp. 807-813.

96 Prediction of Activated Carbon Adsorption Capacities for Organic Vapors Using Quantitative Structure Activity Relationship Methods (with N. Nirmalakhandan) (1993) Environ. Sci. and Tech. 27, pp. 1512-1516.

97 Sequential Environments for Enhanced Biotransformation of Aqueous Contaminants (with D. Zitomer) 1993) Environ. Sci. and Tech. 27, pp. 227-244.

98 Anaerobic Treatment of High Toxicity Industrial Wastewaters (1993) Third Latin American Congress on Biotechnology Santiago, Chile.

99 Weir Aeration: Models and Unit Energy Consumption (with N. Tang and N. Nirmalakhandan) (1995) J. of Environ. Eng. Am. Soc. of Civil Engr. Vol. 121, pp. 196-199.

100 Anaerobic Biotransformation of Nitrocellulose (with M. Duran and B.J. Kim) (1994) Waste Management, Vol. 16, pp. 481-487.

101 Methanethiol in Non-Acclimated Sewage Sludge After Addition of Chloroform and Other Toxicants (with D.H. Zitomer) (1995) Environ. Sci. Technol. 29, pp. 762-768.

102 Prediction of Activated Carbon Isotherms for Organic Vapors (with J. Prakash, and N. Nirmalakhandan) (1994) Environ. Sci. Technol. 28, pp. 1403-1409.

103 Toxicity Response of Biological Phosphorous Removing Activated Sludge (with D.H. Zitomer) (1994) 49th Purdue Industrial Waste Conference, pp. 481-488.

104 Lateral Thinking Solves Stratification Problem (1994) Water Quality International, pp. 12-15.

105 Conceptual Evaluation of Wastewater Treatment System Performance with Respect to Capacity Expansion and Regulatory Compliance (with T.D. DiStefano) (1995) 50th Purdue Industrial Waste Conference.

106 Treatment of Low Strength Domestic Wastewater by Using Upflow Anaerobic Sludge Blanket Process (with N.H. Tang and C.L. Torres) (1995) 50th Purdue Industrial Waste Conference.

107 Oxygen Supplementation by U-Tube to the Tombigbee River (1996) Water Sci. & Tech. Vol. 34 No. 12, pp. 83-90.

108 Modeling CSO Impacts from Nashville Using EPA’s Demonstration Approach (with W.R. Adams and E.L. Thackston) (1997) J. Environ. Engr., Am. Soc. Civil Engr. Vol. 123, No. 2, pp. 126-133.

109 Predicting Henry’s Law Constant and Effect of Temperature on Henry’s Law Constant (with N. Nirmalakhandan, and R.A. Brennan) (1997) Water Res., Vol. 31, pp. 1471-1481.

110 Temperature Staged Anaerobic Processes (with M. Duran) (1997) Environ. Tech., Vol. 18, pp. 747-754.

111 Anaerobic Biotransformation of Acrylic Acid in UASB Reactors: Significance of Process Staging, Physical Homogenization of Microorganisms and Microbial Acclimation (with G. Demirer) (1997) Environ. Tech., Vol. 18, pp. 111-1121.

112 Antagonism of Sodium Toxicity by the Compatible Solute Betaine in Anaerobic Methanogenic Systems (with D.W. Yerkes and S. Boonyakitsombut) (1997) Water Sci. and Tech., Vol. 36, pp. 15-24.

113 The Role of Process Configuration in the Performance of Anaerobic Systems (with M. Duran, G. Demirer, H. Zhang, and T. DiStefano) (1997) Water Sci. and Tech. Vol. 36, pp. 539-547.

114 Anaerobic Biotransformation of Four 3-Carbon Compounds (Acrolein, Acrylic Acid, Allyl Alcohol, and N-Propanol) in UASB Reactors (with G. Demirer) (1998) Water Research, Vol. 32, No. 3, pp. 747-759.

115 Comparison of Predictive Methods for Henry’s Law Coefficients of Organic Chemicals (with R.A. Brennan and N. Nirmalakhandan) (1998) Water Research Vol. 323, No. 6, pp. 1901-1911.

116 Toxicity of Acrylic Acid to Acetate-Enriched Methanosarcina Cultures (with G.N. Demirer) (1998) J. of Environmental Engineering, American Society of Civil Engineers, Vol. 124, No. 4, pp. 345-352.

117 Staging of Anaerobic Processes for Reduction of Chronically High Concentrations of Propionic Acid (with M. Duran) (1998) Water Environment Research, Vol. 70, No. 2, pp. 241-248.

118 Inhibitory Effects and Biotransformation of Acrylic Acid in Computer-Controlled pH-Stat Reactors (with Demirer) (1999) Biotechnology and Bioengineering, Vol. 62, No:2, 200-207

118 A Biodegradability of Residual Organics in the Effluent of Anaerobic Processes (with Duran) (1999) Environmental Technology Vol. 20, pp 597 - 605

118 B Methanethiol Production as an Indicator of Toxicity in Anaerobic Treatment (with Zitomer and Owens) (2000) Water Science and Technology Vol. 42, No. 5-6 pp 231-235

119 Comparison of Anaerobic Acrylic Acid Biotransformation in Single and Two Stage pH Stat Completely Stirred Tank Reactor Systems (with Demirer) (2000) Water Environment Research Vol. 72, No. 1 pp 84 - 89

120 Probing of Maximal Biodegradation Rates of Methlyene Chloride, Carbon Tetrachloride and 1,1,1 Trichloroethane in Methanogenic Processes (with Rhee) (2000) Environmental Technology Vol. 21 pp 147 - 156

121 Simultaneous Computer Control of pH in Multiple Environmental Laboratory Bioreactors (with Azbar, and Senel) (2000) Environmental Technology Vol. 21 pp 1007 - 1011

122 Perturbation of Anaerobic Fermentation by High Energy Substrates (with Duran) (2000) Fresenius Environmental Bulletin Vol. 9 pp 617 - 622

123 Pre-Acidification in Anaerobic Sludge Bed Process Treating Brewery Wastewater (with Ahn and Min) (2001) Water Research Vol. 35, No. 12, pp 4267 - 4276

124 Effect of Process Configuration and Substrate Complexity on the Performance of Anaerobic Processes (with Azbar and Ursillo) (2001) Water Research Vol. 35, No. 3, pp 817 – 829

125 Two-Phase, Two-Stage, and Single-Stage Anaerobic Process Comparison (With Azbar) (2001) Journal of Environmental Engineering Vol. 127, No. 3 pp 240 – 248

126 A Comparison of Complex Electron Donors for Anaerobic Dechlorination of PCE (with DiStefano, Baral, and Duran) (2001) Bioremediation Journal, Vol. 5 pp 131 - 143

127 Reactor Configuration – Part 1. Comparative Process Stability and Efficiency of Mesophilic Anaerobic Digestion (with Kim) (2002) Environmental Technology, Vol. 23, No., 6 pp 631 - 642

128 Reactor Configuration – Part II. Comparative Process Stability and Efficiency of Thermophilic Anaerobic Digestion. (with Kim) (2002) Environmental Technology. Vol. 23, No. 6 pp. 643 – 654

129 The Role of pH in Mesophilic Anaerobic Sludge Solubilization (with Gomec, Kim and Ahn) (2002) Journal of Environmental Science and Health, Part A. Vol. A37, No. 10 pp 1871 – 1878

130 Comparative Process Performance of Mesophilic and Thermophilic Anaerobic Digestion. (with Kim and Ahn) (2002) KSCE Journal of Civil Engineering. Vol. 22, No. 4-B, pp 623 – 637

131 Aerobic Waste Activated Sludge (WAS) for Start –Up Seed of Mesophilic and Thermophilic Anaerobic Digestion (with Kim) (2002) Water Research, Vol 36, No. 15 pp 3860 – 3866

132 Comparative Process Stability and Efficiency of Anaerobic Digestion; Mesophilic vs. Thermophilic (with Kim and Ahn) (2002) Water Research, Vol. 36, No. 17, pp 4369 – 4385

133 Improved Anaerobic Process Efficiency using Mesophilic and Thermophilic Elutriated Phased Treatment. (with Kim) (2002) Journal of Environmental Engineering, Accepted for Publication.

134 Degradation of Propionate and its Precursor: The Role of Nutrient Supplementation, (with Saroch and Kim) (2002) KSCE, Journal of Civil Engineering. Vol. 6, No. 4, pp 379 - 387

135 Anaerobic Digestion Elutriated Phased Treatment (ADEPT): The Role of pH and Nutrient for Hydrolysis/Acidogenesis of Organic Material (with Kim and Ahn)

136 Organic Material Solubilization of Domestic Primary Sludge inAnaerobic Digestion at Controlled pH (with Gomec) (2003) Water Science and Technology Vol. 48, No. 4 pp 195 – 198

137 Settleability Assessment Protocol for Anaerobic Granular Sludge and its Application (with Young-Ho Ahn) (2003) Water SA Vol. 29, No. 4 October pp. 419-426

138 Overview of Anaerobic Treatment : Crucial Factors in Successful Anaerobic Propionate Metabolism (2005) Keynote Address - Association of Environmental Engineering and Science Professors – Water Environment Federation

Book Chapters

Text Book - Anaerobic biotechnology for industrial wastewaters

o Textbook has been translated into Chinese and Japanese




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