scale treatment Articles

  • It is time to end food waste

    Food waste is a global, billion-dollar problem. The White Paper ‘It’s time to end food waste’ explores the origins, the reasons and some exciting solutions for the global food waste problem. Supercharged composters, mini-ventilators, smart lipid films are just some of the solutions to reduce the 1.3 billion tons of food that is currently wasted. Scientists and entrepreneurs ...


    By TOMRA Sorting GmbH.

  • Scale-up of the MIEX® DOC Process for Full Scale Water Treatment Plants

    The MIEX® DOC Process is a new process developed by Orica Watercare, South Australian Water Corporation and the CSIRO for the removal of dissolved organic carbon (DOC) from drinking water. Results from scale up of the process to a 170m3/day pilot plant have been reported previously (Nguyen, 1997). The process has now been successfully scaled up and trialed on a 1000m3/day pilot plant located at ...


    By IXOM Watercare

  • Anaerobic treatment of food waste in pilot scale

    For this work, a pilot scale anaerobic digester was used to assess the treatability of food waste from a canteen. The digester was operated for 720 days, and its efficiency in removing organic matter and suspended solids as well as producing biogas were assessed. At the beginning of operation, the digester failed and alkalinity buffering was required until stabilization. A maximum chemical ...


    By IWA Publishing

  • Pilot-scale studies on the treatment of tannery effluents by electroflotation

    A pilot-scale electroflotation system with a treatment capacity of 0.8 m³ per hour has been designed and built. The system is equipped with a conditioning tank, a rectifier, flow meters, an energy meter and pumps. Iron, aluminium and titanium coated with oxides of tantalum, ruthenium and iridium were used as electrodes. The system was installed within the premises of the Common Effluent Treatment ...


    By Inderscience Publishers

  • Energy Recovery in Urban Wastewater Treatment on Global Scale

    ABSTRACT The lack of proper wastewater treatment results in production of CO2 and CH4 without the opportunity for carbon sequestration and energy recovery, with deleterious effects for global warming. Without extending wastewater treatment to all urban areas worldwide, CO2 and CH4 emissions associated with wastewater discharges could reach the equivalent of 3.13·105 tCO2·d-1 in 2025, with ...

  • Large scale diamond electrodes for industrial water treatment

    The DiaCell® technology, based on boron-doped diamond films on Silicon substrate (BDD/Si), is a new candidate in the electrochemical water treatment market. Water disinfection and also wastewater treatment and recycling are the main targeted applications [1]. While most of the private applications such as pool water disinfection [2] require electrode surfaces in the range of 0.1 m2 per unit, the ...


  • Elevational characteristics of the archaeal community in full-scale activated sludge wastewater treatment plants at a 3,660-meter elevational scale

    Due to the important roles of archaea in wastewater treatment processes, archaeal communities have been studied extensively in various anaerobic reactors, but the knowledge of archaeal communities in full-scale activated sludge wastewater treatment plants (WWTPs) remains quite poor. In this study, 454-pyrosequencing was for the first time employed to investigate archaeal communities from 20 ...


    By IWA Publishing

  • Small-Scale Biosolids Composting

    Cambridge, Ohio retrofitted a portion of its vacuum assisted drying beds into a covered composting facility, processing about 300 dry tons/year of biosolids and wood chips. Like many small communities in an agricultural area, the City of Cambridge, Ohio (pop. 14,000) managed biosolids generated by its 2.25 mgd Water Pollution Control Center (WPCC) via land application on farm fields. “Then ...


    By BioCycle Magazine

  • Treatment of Polluted River Water Using Pilot-Scale Constructed Wetlands

    From 1970S TO 1980S, the Constructed Wetland (CW) technique has already been rapidly developed and widely applied in more than 10 countries, such as USA, Australia and countries, such as USA, Australia and countrien in Europe (Amelia, 2000; Brown, et al. 1994; Haberl, et al., 1995). Nowadays, there have been about 5000 CWs technics have substituted for the traditional secondary or advanced ...


    By Springer

  • Review of cost versus scale: water and wastewater treatment and reuse processes

    The US National Research Council recently recommended direct potable water reuse (DPR), or potable water reuse without environmental buffer, for consideration to address US water demand. However, conveyance of wastewater and water to and from centralized treatment plants consumes on average four times the energy of treatment in the USA, and centralized DPR would further require upgradient ...


    By IWA Publishing

  • Direct observations of membrane scale in membrane bioreactor for wastewater treatment application

    The formation of inorganic fouling on MF membrane was investigated in membrane bioreactor (MBR) treating industrial wastewater. Membrane autopsy works using microscopic techniques and surface analysis were carried out at the completion of pilot-scale operation to analyze foulant materials extensively. Scaling occurred on the membrane surface significantly in the MBR treating calcium-rich ...


    By IWA Publishing

  • Pilot-scale compost media biofilter treatment of volatile organic compounds

    The compost media biofilter is one of the most important biological processes applied to treat waste gases. Research on a pilot-scale compost media biofilter treatment of volatile organic compounds (VOCs) was performed. The volume of biofilter media was 4.3 m3 and the biofilter operated for 57 days. Fluctuation of water content in the biofilter media was investigated. With continuous switching of ...


    By BioCycle Magazine

  • A pilot scale electrolytic unit for tertiary treatment of industrial effluents

    Over the past few years, academic research has focused on the development of new treatment technologies for municipal and industrial wastewater that will be suitable for reuse. In this study, an electrolytic pilot scale unit has been manufactured for the tertiary treatment of biologically processed wastewater aiming at its reuse for groundwater recharge or for agricultural purposes. The ...


    By Inderscience Publishers

  • Scale removal - Case Study

    Water Cooling Towers Operate at Better Efficiency and Lower Maintenance Costs with KDF Water Filter Media "As Seen in Water Quality Products" At TowerKlean™ LLC... KDF Water Filter Media Help with Scale, Algae, Chlorine and Heavy Metal Removal from Water Scale... it's a vicious never-ending problem that can kill the overall efficiency of water-cooling systems or ...


    By KDF Fluid Treatment, Inc.

  • Dissolved organic nitrogen (DON) in a full-scale drinking water treatment plant

    Dissolved organic nitrogen (DON) is currently considered as one of the most important parameters in drinking water treatment due to its potential to form toxic nitrogenous disinfection by-products (N-DBPs). A comprehensive investigation was made in this study on the variation of DON in a full-scale drinking water treatment plant with a treatment train of coagulation/sedimentation, biofiltration ...


    By IWA Publishing

  • Green Water Treatment prevents scaling caused by hard water

    Fluid Dynamics has over 200,000 installations of its equipment all over the world. With applications in process industry, office blocks, hospitals, private villas, universities,oil, food and engineering companies, and clients as diverse as McDonald’s, Pfizer, and Unilever.“It is very satisfying” says Robert Spencer, Fluid Dynamics Managing Director, who, with his father founded the business in ...

  • Pilot-scale fluoride-containing wastewater treatment by the ballasted flocculation process

    A pilot-scale ballasted flocculation system was used to remove fluoride from one type of industrial wastewater. The system included the formation of calcium fluoride (CaF2) using calcium hydroxide followed by coagulation sedimentation. Calcium fluoride was recycled as nuclei for enhancing CaF2 precipitation and as a ballasting agent for improving fluoride removal and flocculation ...


    By IWA Publishing

  • A Pilot Scale EZVI and ZVI Treatment of Unsaturated and Saturated Soil for TCE Reduction

    ABSTRACT: Enhanced biological reductive dechlorination, micro-scale zero valent iron (ZVI), and emulsified zero valent iron (EZVI) injections were implemented to treat chlorinated volatile organic compounds (CVOCs) at a former manufacturing facility in western South Carolina.  These remedial approaches – until recently typically implemented as standalone technologies –were ...

  • Dolphins to the Rescue: Dolphins Eliminate the Need for Chemical Treatments to Prevent Scaling

    Untitled Document Mineral scale accumulates daily inside the boilers and cooling towers that keep us warm in the winter and cool in the summer. Scale is a bad actor causing loss of efficiency, ...


    By Dolphin WaterCare

  • Photoelectrocatalytic study and scaling up of titanium dioxide electrodes for wastewater treatment

    Different TiO2 photoelectrodes have been characterized and tested for the photoelectrocatalytic oxidation of methanol. Particulate electrodes (TiO2/Ti and TiO2/ITO) have been shown to notably favour charge-carrier transfer at the electrolyte interface while a thermal electrode (Ti) has been shown to favour charge-carrier separation when applying an electric potential bias ...


    By IWA Publishing

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