blended sludge thickening Articles

  • Shining a light on sludge

    HACH LANGE's Solitax turbidity/ suspended solids sensor has been integrated into a tanker reception system to enable the measurement of solids concentration in wastewater movements to and from treatment plants and in trade waste applications for monitoring strengths of imported wastes. JR Pridham Services Ltd (JRP) developed the system to provide visibility of both quantitative and qualitative ...


  • Mine backfill

    Mine backfill is defined as the material used to fill the cavities (i.e., stopes) created by underground mining. Backfilling can be a means to dispose of sludge and/ or tailings which may contain hazardous materials and to reduce surface environmental impacts by storing tailings underground. Alternately, backfilling with nonhazardous materials can allow for mining productivity improvements. To ...


    By WesTech Engineering, Inc.

  • Growth of microalgal biomass on supernatant from biosolid dewatering

    The paper reports the results of an experiment to assess the feasibility of including a photobioreactor within the design of a wastewater treatment plant, growing microalgae on the centrate from anaerobic sludge dewatering. The growth of algal biomass would take advantage of the available nitrogen and provide a substrate for biogas production by anaerobic digestion. Tests were carried out by ...


    By IWA Publishing

  • Bio-Solids Process Enhancements Resulting From the Use of Hydrogen Peroxide for Hydrogen Sulfide Odor Control - The San Antonio Experience

    ABSTRACTThe paper will present results of a trial initiated in February 2004 by the San Antonio Water System (SAWS) to quantify the impacts of hydrogen peroxide injection prior to dissolved air flotation thickening of wastewater sludges. Since February 2000, the San Antonio Water System has successfully used iron salts (FeSO4) for odor and ...

  • Ashford STC Expansion, United Kingdom

    Southern Water 10.5 tons dry solid per year (TDS/yr) The Client Southern Water provides water supply and sewerage services in the counties of Kent, East and West Sussex, Hampshire and the Isle of Wight, and small parts of Wiltshire, Berkshire and Surrey. The Client's Needs The purpose of the works was to ...


  • Hoosac WQD Williamstown, MA

    An aging primary and secondary treatment facility coupled with increased loadings to the co-settling primary clarifier resulted in the need to upgrade the Hoosac WQD. An important component of the upgrade was biosolids handling. Tighe & Bond selected the belt filter press as the bases of design for this 5.37 MGD average daily flow facility. The co-settled primary and secondary sludge is ...


    By BDP Industries

  • Croyde WwTW zero nuisance plant, United Kingdom

    South West Water 120 m3/hr The Client South West Water provides water and sewerage to 1.6 million customers in Devon, Cornwall and parts of Dorset and Somerset. The region attacts over 8 million holiday makers to the 625 miles of scenic coastline and countryside. The company is part of Pennon Group Plc. The Client's ...


  • Strategic Abatement of Emission to Economically Support Development of High Profile Real Estate Adjacent to a Wastewater Reclamation Facility

    ABSTRACTThe Des Moines Wastewater Reclamation Authority operates a 97-million gallon per day regional wastewater reclamation facility (WRF) largely constructed in the mid 1980s to serve the greater Des Moines, Iowa metropolitan area. Originally constructed in a largely rural area, current plans for the area around the WRF establish a need for emissions control to reduce offsite odor impacts, in ...

  • Dredging at weldon spring super fund project Morrison Knudsen - St. Charles, Missouri, USA

    Remote controlled Dredging proved to be the best method of removing radioactive sludge from settling ponds of a former uranium processing plant near St. Charles, Missouri. Dredging keeps the material wet and out of contact with the atmosphere throughout the removal and treatment process, eliminating the danger of contaminates becoming airborne. The Weldon Spring Site Remedial Action Project ...

  • Utilizing unconventional water sources for industrial reuse

    Reclamation and reuse of unconventional wastewater sources for plant raw water, cooling water and process pre-treatment has increased substantially due to increases in the cost of drinking water, recurring water shortages that can impact business operations, and tightening government regulation. Water is required in almost every industrial sector for the processing and manufacture of products. ...


    By WesTech Engineering, Inc.

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