19 Articles found

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  • Compost Dried Primary Sludge – A Renewable Energy Source?

    Compost Dried Primary Sludge – A Renewable Energy Source?

    Napier is a city of almost 60,000 population on the east coast of the North Island, New Zealand. Napier City Council planned to upgrade its Awatoto Wastewater Milliscreening (0.75mm aperture) plant to advanced primary treatment (APT) and ultraviolet ...

    Garry Macdonald; Paul Dunford; Johan Ehlers

  • Use of online nutrient monitoring for automatic aeration and nitrate recycle pump control

    Use of online nutrient monitoring for automatic aeration and nitrate recycle pump control

    The Northside Wastewater Treatment Plant (WWTP) in Kinston, NC was expanded and upgraded in 2006 for biological nutrient removal (BNR) to meet limits of 3 mg/L total nitrogen (TN) and 1 mg/L total phosphorus (TP). In addition to the traditional ...

    C. de Barbadillo; R. Foulke; A. Shaw; R. Willet; C. Cauley

  • Decolorization of paper mill effluents with disimilar characteristics using anaerobic composting

    Decolorization of paper mill effluents with disimilar characteristics using anaerobic composting

    Currently, there are no national standards for color limits in pulp and paper mill  wastewaters effluents. In some cases, there are regional or State stream standards based on the receiving waters. Decolorization of this industry wastewater is ...

    N. Mendez-Sanchez; C. R. Lange; J. Christiansen

  • The Effects of long chain Fatty Acids (LCFA) on Sulfate Removal in an Acclimated Mixed Anaerobic Culture.

    The Effects of long chain Fatty Acids (LCFA) on Sulfate Removal in an Acclimated Mixed Anaerobic Culture.

    Introduction Oleic acid (OA) and stearic acid (SA), two long chaing fatty acids (LCFAs) possessing 18 carbons, were used to inhibit methanogensis in an anaerobic mixed culture converting sulfate to sulfide. Under anaerobic conditions, SRB oxidize ...

    Mamata Sharma

  • Recovery of new orleans sewerage system: two years post-katrina

    Recovery of new orleans sewerage system: two years post-katrina

    ABSTRACT Hurricane Katrina and its aftermath damaged the sewerage collection system in the City of New Orleans, creating health and safety issues for both the general public and emergency and recovery personnel working in the city. The efforts by ...

    Gordon C. Austin, Reid L. Dennis, Lisa F. Cookmeyer

  • Compost Dried Primary Sludge – A Renewable Energy Source?

    Compost Dried Primary Sludge – A Renewable Energy Source?

    Abstract Napier is a city of almost 60,000 population on the east coast of the North Island, New Zealand. Napier City Council planned to upgrade its Awatoto Wastewater Milliscreening (0.75mm aperture) plant to advanced primary treatment (APT) and ...

    Garry Macdonald, Paul Dunford, Johan Ehlers

  • Aquaculture Facilities As A Potential Source Of Antibiotic Resistance To The Aquatic Environment

    Aquaculture Facilities As A Potential Source Of Antibiotic Resistance To The Aquatic Environment

    The development and proliferation of antibiotic resistance in pathogenic, commensal, and environmental microorganisms is a major public health concern. The extent to which human activities contribute to the maintenance of environmental ...

    Erin E. Seyfried; Ryan J. Newton; Kennedy F. Rubert IV; Joel A. Pedersen; Katherine D. McMahon

  • Missing the Fairway – A Creative Sewer Design through a Private Golf Course

    Missing the Fairway – A Creative Sewer Design through a Private Golf Course

    THE PROBLEMThe City of Sioux Falls, South Dakota is experiencing rapid growth and is being pressured to open additional land for development. A ridgeline on the City’s eastern border prevents the extension of the existing gravity sewer system and ...

    Jody W. Page, Dan Graber, Mark Perry

  • Got Milk? Got Wastewater Too! Treatment of Dairy Processing Wastewater

    Got Milk? Got Wastewater Too! Treatment of Dairy Processing Wastewater

    ABSTRACTA major dairy processing operation owned and operated by the Michigan Milk Producers Association (MMPA) located in central lower Michigan was required to design and construct a process wastewater treatment plant within a 14 month period. The ...

    Wayne E. Langeland, P.E., David J. Filipiak, CHMM, and Gasper Calandrino

  • Georgetown, Texas Irrigation System Master Plan and Reclaimed Water Program

    Georgetown, Texas Irrigation System Master Plan and Reclaimed Water Program

    ABSTRACTThe City of Georgetown, Texas is a rapidly growing community located about 30 miles north of Austin in central Texas. Georgetown is situated on the recharge zone of the Edwards Aquifer, a major groundwater resource in central Texas. The City ...

    Patrice A. Melançon, Roger E. Schenk, Jr.; Michael R. Stasny

  • Creative Strategies for Implementing Projects to Manage Non-Point Source Pollution: A Case Study from the McDaniel Farm Park Stream Restoration Project

    Creative Strategies for Implementing Projects to Manage Non-Point Source Pollution: A Case Study from the McDaniel Farm Park Stream Restoration Project

    The Sweetwater Creek watershed is located in central Gwinnett County within the Ocmulgee River Basin. The study area is comprised of 26 square miles. A total of 153 projects were identified in the Watershed Improvement Plan (WIP) for Sweetwater ...

    Dale Jones, Phil Sacco, Emily Holtzclaw, Joel Tillery, CH2M HILL; Pete Wright, Gwinnett County Department of Water Resources

  • Everglades Agricultural Area Reservoir A-1 Management of Runoff for Everglades Restoration and Agricultural Irrigation

    Everglades Agricultural Area Reservoir A-1 Management of Runoff for Everglades Restoration and Agricultural Irrigation

    THE PROBLEMIncreased development in central and south Florida has altered the natural drainage pattern of the Florida Everglades National Park (Everglades). This alteration has resulted in excess water during the wet season and insufficient water ...

    Rafael E. Frias III, Gerard Miller, Jeff Henson, Howard O. (Andy) Andrews, Tommy B. Strowd, Black & Veatch

  • Unique Approach for Sizing a Reclaimed Water Spray Irrigation System Maximizes Benefits

    Unique Approach for Sizing a Reclaimed Water Spray Irrigation System Maximizes Benefits

    In 2004, the City of Raleigh Public Utilities Department (CORPUD) initiated a reclaimed water spray irrigation system project to irrigate approximately 130 acres of its existing 1,030-acre farmland used in the past to land apply Class B biosolids. ...

    Erika L. Bailey, HDR Engineering, Inc.; Tim Woody, Robert Massengill, City of Raleigh Public Utilities Department; Don Safrit, HDR Engineering, Inc.

  • Utilization of Reclaimed Wastewater for Irrigation and Urban Activities in Okinawa Island, Japan

    Utilization of Reclaimed Wastewater for Irrigation and Urban Activities in Okinawa Island, Japan

    Reclaimed wastewater (RWW) has been introduced in the Okinawa Island, Japan as an alternative water resource for the existing water scarcity. Currently, RWW is utilized for various urban activities on large-scale. Further, a large-scale project on ...

    W.K.C.N. Dayanthi, Takayuki Shigematsu, Hiroaki Tanaka, Naoyuki Yamashita, Kyoto University; Koichi Kato, Okinawa Land Reclamation Office; Viraj de Silva, Parsons

  • I Know, Let’s Make A Video!

    I Know, Let’s Make A Video!

    Back in the 1930s, a young Andy Rooney and Judy Garland made feel-good films for Depression-era audiences. One of the kids would tell a sad tale about someone in the neighborhood needing new glasses, new false teeth, or an operation. Andy or Judy ...

    Stephan D. Frank, Metro Wastewater Reclamation District; Chip Baker, BCI

  • A Holistic Approach to Managing the EDC Issue

    A Holistic Approach to Managing the EDC Issue

    Endocrine disrupting chemicals (EDCs) and pharmaceuticals and personal care products (PPCPs) are ubiquitous in our environment because of their many uses and origins in residential, industrial, livestock, and agricultural applications. EDCs are ...

    Caroline Scruggs, Alan Rimer, Ed Kobylinski, Black & Veatch; Francis DiGiano, University of North Carolina

  • Use of Lime Stabilized Biosolids for Turf Grass Production in the New Jersey Pinelands

    Use of Lime Stabilized Biosolids for Turf Grass Production in the New Jersey Pinelands

    A 700 acre farm producing turf grass sod for residential and commercial uses has been utilizing liquid, lime stabilized biosolids as its primary source of plant macronutrients on approximately 380 acres since late 1995. The farm is located within ...

    Michael R. Wardell, Dolores A. Hill, Veolia Environmental Services, Inc.

  • Twenty Years of Combating FOG and Tree Roots: Lessons Learned by the City of Edmonton, Alberta Canada

    Twenty Years of Combating FOG and Tree Roots: Lessons Learned by the City of Edmonton, Alberta Canada

    The wastewater and stormwater collection system in the City of Edmonton Alberta, Canada serves a population of over 700,000 and services an area of approximately 700 km2 (270 square miles). Drainage Services of the Asset Management and Public Works ...

    Andy Bowen, City of Edmonton

  • From Stygian Blackness to Community Asset: A History of the Trinity River

    From Stygian Blackness to Community Asset: A History of the Trinity River

    There have been three periods of permanent human occupation of the Upper Trinity River basin. For most of the last 11,000 years only Native Americans have lived here. These first citizens hunted, fished and lived with nature … they made no ...

    John Promise, North Central Texas Council of Governments