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51

Considerations in Using Thermal Hydrolysis for Pre-Digestion Processing in North America

Schafer, Perry, Newman, Gary, Krugel, Steve, Stigers, Tracy, Chapman, Tom, Muller, Chris, Braswell, Philip

Journal:

Proceedings of the Water Environment Federation

Year:

2012

Language:

english

File:

PDF, 262 KB

english, 2012

52

A COMPARATIVE STUDY OF TWO-STAGE THERMOPHILIC, SINGLE STAGE MESOPHILIC, AND TEMPERATURE PHASED ANAEROBIC DIGESTION

Inman, David C., Murthy, Sudhir, Schafer, Perry, Schlegal, Paul, Webb, Jared, Novak, John T.

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 196 KB

english, 2005

53

WERF Phase 2: The Impact of Shear During Biosolids Dewatering on Reactivation and Regrowth of Non-Culturable Indicator Bacteria

Chen, Yen-Chih, Higgins, Matthew J., Araujo, Gordon, Murthy, Sudhir N., Hendrickson, Donald, Schafer, Perry, Farrell, Joseph

Journal:

Proceedings of the Water Environment Federation

Year:

2007

Language:

english

File:

PDF, 245 KB

english, 2007

54

Impacts of Thermal Hydrolysis on Biosolids Quality Parameters: Dewaterability, Odors, Indicators and Pathogens

Murthy, Sudhir, Higgins, Matthew, Bailey, Walt, Schafer, Perry, Beightol, Steven, Chen, Yen-Chih, Novak, John, Wilson, Chris, Riffat, Rumana, Aynur, Sebnem

Journal:

Proceedings of the Water Environment Federation

Year:

2010

Language:

english

File:

PDF, 93 KB

english, 2010

55

EXTENDING PIPELINE LIFE THROUGH CORROSION CONTROL OPTIMIZATION WITH ATMOSPHERIC HYDROGEN SULFIDE MONITORING AND CAUSTIC SLUG DOSING

Smith, Jordan W, Chesler, Gail, Schafer, Perry

Journal:

Proceedings of the Water Environment Federation

Year:

2004

Language:

english

File:

PDF, 863 KB

english, 2004

56

Advances in Thermophilic Anaerobic Digestion

Willis, John, Schafer, Perry

Journal:

Proceedings of the Water Environment Federation

Year:

2006

Language:

english

File:

PDF, 279 KB

english, 2006

57

Digestion Process Development for the Egg-Shaped Digesters Facility at DCWASA'S Blue Plains AWTP

Schafer, Perry, Schlegel, Paul, Volpe, Gary, Bailey, Walt, Peot, Chris, Murthy, Sudhir, Carr, John, Sadick, Tom, Shea, Tim, Krugel, Steve, Niehoff, Hermann

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 301 KB

english, 2005

58

Belt Filter Press Dewatering Trials with Cambi Thermally Hydrolyzed Biosolids – Evaluation of Critical Performance Criteria.

Fountain, Paul, Murthy, Sudhir N., Kellecher, Kevin, Schafer, Perry, Cooper, Alan, Kasirga, Ersin, Lee, Kean, Machisko, John, Higgins, Matthew

Journal:

Proceedings of the Water Environment Federation

Year:

2012

Language:

english

File:

PDF, 162 KB

english, 2012

59

HEAT DRYING BIOSOLIDS: ECONOMICS, ENERGY, AND SAFETY CONSIDERATIONS

Wolstenholme, Philip, Schafer, Perry, Fonda, Ken

Journal:

Proceedings of the Water Environment Federation

Year:

2004

Language:

english

File:

PDF, 318 KB

english, 2004

60

Stockholm Junior Water Prize Research Papers || Laboratory Evaluation of Thermophilic-Anaerobic Digestion to Produce Class A Biosolids. 1. Stabilization Performance of a Continuous-Flow Reactor at Low Residence Time

Michael D. Aitken, Glenn W. Walters, Phillip L. Crunk, John L. Willis, Joseph B. Farrell, Perry L. Schafer, Cliff Arnett and Billy G. Turner

Journal:

Water Environment Research

Year:

2005

Language:

english

File:

PDF, 1.92 MB

english, 2005

61

COSTS TO CONVERT TO CLASS-A: COLUMBUS BIOSOLIDS FLOW-THROUGH THERMOPHILIC TREATMENT (CBFT3) AS A COST EFFECTIVE OPTION

Willis, John, Aitken, Mike, Arnett, Cliff, Hull, Ted, Matthews, James, Schafer, Perry, Sobsey, Mark, Turner, Billy

Journal:

Proceedings of the Water Environment Federation

Year:

2003

Language:

english

File:

PDF, 230 KB

english, 2003

62

Lagoon Digestion – Old Dog, New Tricks

Journal:

Proceedings of the Water Environment Federation

Year:

2009

Language:

english

File:

PDF, 92 KB

english, 2009

63

Dewatering Characteristics of Cambi Thermal Hydrolysis Biosolids: Centrifuges vs. BFPs

Higgins, Matthew, Murthy, Sudhir N., Schafer, Perry, Cooper, Alan, Kasirga, Ersin, Lee, Kean, Machisko, John, Fountain, Paul, Kelleher, K.

Journal:

Proceedings of the Water Environment Federation

Year:

2011

Language:

english

File:

PDF, 127 KB

english, 2011

64

Innovative Approaches for Upgrading Atomized Mist Scrubbers

McEwen, David, Schafer, Perry, Wolstenholme, Philip, Chau, Raymond

Journal:

Proceedings of the Water Environment Federation

Year:

2010

Language:

english

File:

PDF, 1.01 MB

english, 2010

65

Pathogen Inactivation in Thermophilic Anaerobic Digestion

Willis, John, Farrell, Joseph, Murthy, Sudhir, Schafer, Perry

Journal:

Proceedings of the Water Environment Federation

Year:

2007

Language:

english

File:

PDF, 250 KB

english, 2007

66

PERFORMANCE EVALUATION AND O&M COMPARISON FOLLOWING FIVE YEARS OF OPERATION OF THREE ANAEROBIC DIGESTER PROJECTS

Witzgall, Robert A., Schafer, Perry L., Haug, Roger T., Mundine, Joseph, Kido, Wendell H., Mulkerin, Michael, Palsenbarg, Rudy, Hystad, Brian

Journal:

Proceedings of the Water Environment Federation

Year:

2003

Language:

english

File:

PDF, 408 KB

english, 2003

67

EVALUATION OF THERMOPHILIC ANAEROBIC DIGESTION TO MEET CLASS A BIOSOLIDS CRITERIA

Aitken, Michael D., Sobsey, Mark D., Walters, Glenn W., Hill, Vincent, Shehee, Mina, Blauth, Kimberly, Crunk, Phillip E., Nappier, Sharon P., Van Abel, Nicole A., Farrell, Joseph, Schafer, Perry, Will

Journal:

Proceedings of the Water Environment Federation

Year:

2003

Language:

english

File:

PDF, 197 KB

english, 2003

68

The State of the Practice of Class-A Anaerobic Digestion: Update for 2005

Willis, John, Schafer, Perry, Switzenbaum, Michael

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 161 KB

english, 2005

69

Improved Anaerobic Digestion Feed Systems and Concepts

Schafer, Perry, Uhte, Warren, Newman, Gary, Volpe, Gary

Journal:

Proceedings of the Water Environment Federation

Year:

2006

Language:

english

File:

PDF, 323 KB

english, 2006

70

CBFT3: The “Sliced Bread” of Class-A Digestion Processes

Arnett, Cliff, Schafer, Perry, Shaw, Randy, Turner, Billy, Willis, John

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 4.42 MB

english, 2005

71

Criteria for Prescriptive Design Build Focused on DC Water's Biosolids Program Objectives and Constraints

Newman, Gary, Schafer, Perry, Stern, Don, Jacobson, Eron, Low, Edmond, Garber, Jeff, Kharkar, Salil, Mukira, Duncan

Journal:

Proceedings of the Water Environment Federation

Year:

2012

Language:

english

File:

PDF, 1.32 MB

english, 2012

72

Thermal Hydrolysis Considerations for Pre-Digestion Solids Processing

Schafer, Perry, Newman, Gary, Krugel, Steve, Stigers, Tracy, Chapman, Tom, Muller, Chris, Braswell, Philip

Journal:

Proceedings of the Water Environment Federation

Year:

2012

Language:

english

File:

PDF, 151 KB

english, 2012

73

PERFORMANCE COMPARISONS FOR STAGED AND HIGH-TEMPERATURE ANAEROBIC DIGESTION SYSTEMS

Schafer, Perry L., Farrell, Joseph B.

Journal:

Proceedings of the Water Environment Federation

Year:

2000

Language:

english

File:

PDF, 573 KB

english, 2000

74

THE STATE OF THE PRACTICE OF CLASS-A ANAEROBIC DIGESTION: UPDATE FOR 2005

Willis, John, Schafer, Perry, Switzenbaum, Michael

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 161 KB

english, 2005

75

EQUALIZATION STORAGE FOR UNTREATED SLUDGE – PROBLEMS AND SOLUTIONS

Schafer, Perry, Uhte, Warren

Journal:

Proceedings of the Water Environment Federation

Year:

2007

Language:

english

File:

PDF, 164 KB

english, 2007

76

Targeted Research and Development for Successful Biosolids Programs

Schafer, Perry, Robles, Ruben, Arnett, Cliff, Murthy, Sudhir, Willis, John, Higgins, Matt

Journal:

Proceedings of the Water Environment Federation

Year:

2011

Language:

english

File:

PDF, 519 KB

english, 2011

77

Cost Control and Risk Reduction – Precepts for Developing DCWASA's Biosolids Program in the Age of Sustainability

Schafer, Perry, Bailey, Walt, Sultan, Martin, Peot, Chris, Murthy, Sudhir, Braswell, Phil, Cooper, Alan

Journal:

Proceedings of the Water Environment Federation

Year:

2010

Language:

english

File:

PDF, 64 KB

english, 2010

78

Improved Anaerobic Digestion Feed Systems and Concepts

Schafer, Perry, Uhte, Warren, Newman, Gary

Journal:

Proceedings of the Water Environment Federation

Year:

2006

Language:

english

File:

PDF, 542 KB

english, 2006

79

A COMPARATIVE STUDY OF TEMPERATURE-PHASED DIGESTION TO SINGLE STAGE THERMOPHILIC AND MESOPHILIC DIGESTION

Inman, David C., Murthy, Sudhir, Bailey, Walter, Schafer, Perry, Webb, Jared, Novak, John T.

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 242 KB

english, 2005

80

Belt Filter Press Dewatering Trials with Cambi Thermally Hydrolyzed Biosolids – Evaluation of Critical Performance Criteria

Fountain, Paul, Murthy, Sudhir N., Kelleher, Kevin, Schafer, Perry, Cooper, Alan, Kasirga, Ersin, Lee, Kean, Machisko, John, Higgins, Matthew

Journal:

Proceedings of the Water Environment Federation

Year:

2011

Language:

english

File:

PDF, 149 KB

english, 2011

81

Development Criteria in the Age of Sustainability – DC Water's New Paradigm for Biosolids and Energy Management

Schafer, Perry, Bailey, Walt, Murthy, Sudhir, Sultan, Martin, Peot, Chris, Jolly, Ernest, Braswell, Phil, Willis, John, Cooper, Alan

Journal:

Proceedings of the Water Environment Federation

Year:

2010

Language:

english

File:

PDF, 172 KB

english, 2010

82

Project Development for Temperature Phased Anaerobic Digestion at the Western Lake Superior Sanitary District

Schafer, Perry, Ekolad, Tracy, Krugel, Steve, Sung, Shihwu

Journal:

Proceedings of the Water Environment Federation

Year:

2000

Language:

english

File:

PDF, 12.26 MB

english, 2000

83

LOW-TECHNOLOGY STORAGE AND AIR DRYING METHODS TO ACHIEVE CLASS A BIOSOLIDS

Schafer, Perry L., Merrill, Douglas T., Farrell, Joseph B.

Journal:

Proceedings of the Water Environment Federation

Year:

2004

Language:

english

File:

PDF, 231 KB

english, 2004

84

Anaerobic Phased Solids Digestion of Mixed Wastes

Beggs, Robert, Konwinski, Dave, Zhang, Ruihong, Schafer, Perry, Ross, Adam

Journal:

Proceedings of the Water Environment Federation

Year:

2007

Language:

english

File:

PDF, 346 KB

english, 2007

85

Grease Processing for Renewable Energy, Profit, Sustainability, and Environmental Enhancement

Schafer, Perry, Trueblood, Don, Fonda, Ken, Lekven, Craig

Journal:

Proceedings of the Water Environment Federation

Year:

2008

Language:

english

File:

PDF, 108 KB

english, 2008

86

Cost Control and Risk Reduction – Precepts for Developing DCWASA's Biosolids Program in the Age of Sustainability

Schafer, Perry, Bailey, Walt, Sultan, Martin, Peot, Chris, Murthy, Sudhir, Braswell, Phil, Cooper, Alan

Journal:

Proceedings of the Water Environment Federation

Year:

2010

Language:

english

File:

PDF, 64 KB

english, 2010

87

PROCESS DESIGN FOR CLASS A EGG-SHAPED DIGESTERS FACILITY AT DCWASA's BLUE PLAINS AWTP

Schafer, Perry, Schlegel, Paul, Volpe, Gary, Bailey, Walt, Peot, Chris, Murthy, Sudhir, Carr, John, Sadick, Tom, Shea, Tim, Krugel, Steve, Niehoff, Hermann

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 1005 KB

english, 2005

88

Anaerobic Digestion Startups and Process Changeovers for Class A and Advanced Processes

Schafer, Perry, Muller, Chris, Willis, John, Beattie, Michael, Chapman, Tom

Journal:

Proceedings of the Water Environment Federation

Year:

2014

Language:

english

File:

PDF, 353 KB

english, 2014

89

GREASE PROCESSING FOR RENEWABLE ENERGY, PROFIT, SUSTAINABILITY, AND ENVIRONMENTAL ENHANCEMENT

Schafer, Perry, Trueblood, Don, Fonda, Ken, Lekven, Craig

Journal:

Proceedings of the Water Environment Federation

Year:

2007

Language:

english

File:

PDF, 192 KB

english, 2007

90

IDENTIFICATION AND MEASUREMENT OF PEAK ODORS

Lopez, Todd M., Dreessen, Wilma J., Schafer, Perry L.

Journal:

Proceedings of the Water Environment Federation

Year:

2000

Language:

english

File:

PDF, 356 KB

english, 2000

91

Improving the Performance and Economics of Co-Digestion and Energy Production

Schafer, Perry, Muller, Chris, Willis, John

Journal:

Proceedings of the Water Environment Federation

Year:

2013

Language:

english

File:

PDF, 267 KB

english, 2013

92

STORED AND AIR DRIED BIOSOLIDS PRODUCTS ARE SIGNIFICANT IN CALIFORNIA

Schafer, Perry L.

Journal:

Proceedings of the Water Environment Federation

Year:

2001

Language:

english

File:

PDF, 270 KB

english, 2001

93

The Thermal Hydrolysis Link to Anaerobic Digestion: The Heart of the DC Water Biosolids Program

Newman, Gary, Schafer, Perry, Jacobson, Eron, Low, Edmond, Chapman, Tom, Kharker, Salil

Journal:

Proceedings of the Water Environment Federation

Year:

2013

Language:

english

File:

PDF, 1.10 MB

english, 2013

94

Phosphoramidate Tantalum Complexes for Room-Temperature CH Functionalization: Hydroaminoalkylation Catalysis

Garcia, Pierre, Lau, Ying Yin, Perry, Mitchell R., Schafer, Laurel L.

Journal:

Angewandte Chemie

Year:

2013

Language:

english

File:

PDF, 488 KB

english, 2013

95

ChemInform Abstract: Phosphoramidate Tantalum Complexes for Room-Temperature C-H Functionalization: Hydroaminoalkylation Catalysis.

Garcia, Pierre, Lau, Ying Yin, Perry, Mitchell R., Schafer, Laurel L.

Journal:

Year:

2013

Language:

english

File:

PDF, 92 KB

english, 2013

96

EARLY 2004: THE STATE OF THE PRACTICE OF CLASS A ANAEROBIC DIGESTION

Willis, John, Schafer, Perry, Switzenbaum, Michael

Journal:

Proceedings of the Water Environment Federation

Year:

2004

Language:

english

File:

PDF, 386 KB

english, 2004

97

Fecal Coliform Reductions in Mesophilic Anaerobic Digestion are NOT What You Might Think!

Farrell, Joseph B., Schafer, Perry L.

Journal:

Proceedings of the Water Environment Federation

Year:

2006

Language:

english

File:

PDF, 182 KB

english, 2006

98

ODOR CONTROL BIOSCRUBBERS

Wolstenholme, Philip, Schafer, Perry

Journal:

Proceedings of the Water Environment Federation

Year:

2005

Language:

english

File:

PDF, 750 KB

english, 2005

99

Examination of Salmonella and Fecal Coliform Density after Dewatering of Anaerobically Digested Biosolids

Chen, Yen-Chih, Higgins, Matthew J., Beghitol, Stephen, Murthy, Sudhir N., Hendrickson, Donald, Schafer, Perry, Farrell, Joseph

Journal:

Proceedings of the Water Environment Federation

Year:

2008

Language:

english

File:

PDF, 312 KB

english, 2008

100

Lagoon Digestion - Old Dog, New Tricks

Journal:

Proceedings of the Water Environment Federation

Year:

2009

Language:

english

File:

PDF, 241 KB

english, 2009