Wastewater Treatment Articles

  • Pulp & Paper Water Treatment - A look at optimizing water resource management

    Application Case Study (Pulp/Paper Operations) The pulp and paper industry has traditionally been a consumer of large amounts of fresh water and power. Recently, increased focus has been given to the optimized efficiency of paper mills and to the environmental sustainability footprint of the industry. Therefore, water resource management has become a more critical factor ...

  • Alternative water supply and treatment solutions in Durban (SA)

    As a result of persistent drought conditions in South Africa a customer (an international consumer goods producer with a production facility in Durban) experiences the pressure of limited availability of water. The ever dropping dam levels currently result in higher risk for intermittent water supply resulting in unplanned and forced production stops in case no water is available. Aquest Colsen ...


    By Colsen International b.v.

  • Case study: Innovative portable package wastewater treatment plants

    DEVISE ENGINEERING S.A. has designed, engineered and is currently producing a new series of State of the Art Portable Sewage Treatment Plants (PSTP), incorporating advanced Ultra-Filtration (MBR) technology. These Plants are used for multiple “emergency” & “short-term” purposes with the ability to re-use the treated effluent. The particular Portable STP can be easily ...


    By DEVISE ENGINEERING S.A.

  • Case study - Mazzei aeration system solves lagoon odors and high maintenance problems

    The Problem: A large vegetable processing facility was experiencing problems with its lagoon surface aerators. The company’s treatment process includes a collection and screening assembly, two anaerobic stabilization ponds and a 40 million gallon aerated lagoon. The aeration lagoon is used for BOD reduction and polishing before the water is discharged to a near-by creek. Several surface ...

  • Ten quotes from our customers about VACUDEST

    Many companies have opted to introduce a policy of zero liquid discharge production using our high-quality VACUDEST vacuum distillation systems. Users can reduce their consumption of fresh water – an increasingly dwindling resource – and significantly reduce their disposal costs by recycling their industrial wastewater. Read on to find out what our customers say about VACUDEST: Ovidio ...


    By H2O GmbH

  • Another MRO company goes wastewater-free!

    Jet Aviation in Basel, Switzerland, is using a VACUDEST vacuum distillation system to efficiently and sustainably treat wastewater left over from refurbishing aircraft parts. This state-of-the-art system replaced outdated chemical/physical treatment at the company. Jet Aviation is particularly pleased with the high quality of the treated water, which can even be reused in maintenance processes. ...


    By H2O GmbH

  • Case study - Heat loss - A problem for wastewater treatment & nitrification

    Problem: Operators know aerobic and anaerobic systems need sufficient water temperature to keep microbial populations active and working. Heat loss is detrimental to effluent quality and gas production. Both systems can be negatively affected from low daily and seasonal temperatures. Unfortunately, most operators and engineers have no control over water temperature loss in their tanks and ...

  • We purify our waste­ water optimally

    Holzkirchen wastewater treatment plant achieves a new milestone in energy efficiency with AERsmart The Holzkirchen wastewater treatment plant has a clearly stated objective: “We purify our wastewater optimally.” For the municipal wastewater treatment plant, located 40 kilometres south of Munich, there is a requirement to operate in a way that is as resource-efficient as ...

  • How to Choose the Best Wastewater Treatment System for Your Plant

    For industrial companies producing wastewater as a byproduct of their process, some type of wastewater treatment system is usually necessary. Failing to properly treat your wastewater can potentially harm the environment, human health, and your process, in addition to causing your facility to incur heavy fines and possible legal action if it is being improperly discharged into a publicly owned ...


    By SAMCO Technologies, Inc.

  • Case study - Naini Papers Ltd

    Wastewater from bagasse  paper process Naini Papers Ltd is part of the Naini Group based in Kashipur, India. The groep's brand positioning "Ethically Firm, Environmentally Strong" resonates within the business culture of the organization. It is therefore that Naini Papers Ltd chose for HydroThane to upgrade their existing aerobic wastewater treatment plant with an ...


    By HydroThane STP BV

  • Case Study - Estonian Cell - BCTMP Mill

    Wastewater generated at Estonian Cell The Aspen pulp mill Estonian Cell, part of Heinzel Group, rewarded HydroThane the contract as the technology supplier for their anaerobic treatment after having done extensive piloting in 2011. Since January 2014 the anaerobic treatment has been in operation, earning AS Estonian Cell both national and international recognition as being ...


    By HydroThane STP BV

  • Wastewater from Viscose pulping process - Case Study

    In March 2012 HydroThane started a new project in collaboration with the multinational Lenzing AG, the global market leader in the production of man-made high-quality cellulose fibres. The project was intended for the company Lenzing Biocel Paskov (LBP) located in Czech Republic, which recently changed their technology to produce viscose pulp instead of paper. With this production change also ...


    By HydroThane STP BV

  • Common Cooling Tower Water Treatment Problems and How to Solve Them

    For companies using cooling towers to remove heat from an industrial process or for cooling large buildings, there are several issues that can surface during the cooling tower water treatment process that we see on a regular basis. Because these issues occur often, it’s important to know what to look out for in advance, perhaps saving you some time and resources down the line. ...


    By SAMCO Technologies, Inc.

  • An assessment of static and dynamic models to predict water treatment works performance

    The relative accuracy of static and dynamic water treatment works (WTWs) models was examined. Case study data from an operational works were used to calibrate and verify these models. It was found that dynamic clarification, filtration and disinfection models were more accurate than static models at predicting the final water quality of an operational site but that the root mean square errors ...


    By IWA Publishing

  • Real Time COD and BOD Monitoring in a Municipal Wastewater Treatment Plant - Case Study

    Introduction A municipal Wastewater Treatment Plant (WWTP) located in the Greater Toronto Area (GTA) currently utilizes Biological Oxygen Demand (BOD) from a 24-hour composite sample to monitor their discharge to Lake Ontario and meet compliance standards. The Challenge The BOD method run on the 24-hour composite from the final effluent of the WWTP is a 5-day ...


    By MANTECH INC.

  • Numbers Speak Volumes: Water Distribution Assessment Increases System Operability To 84 Percent

    This large Midwest utility maintains and operates water collection, treatment, and distribution systems, as well as wastewater collection and treatment systems and stormwater management systems for its residential, business and wholesale customers in the region. To ensure the accessibility and quality of water services to meet the growing needs of the ...


    By Pure Technologies

  • Electrocoagulation Wastewater Treatment – An Application To Sustainably Reuse Textile Wastewater

    The textile industry is a water consumption intensive industry. Water is utilized for cleaning the raw material, and for the different steps in the textile dyeing process. Due to the effects of water scarcity and stricter environmental regulations, the cost of fresh water utilization has increased worldwide. In addition, the textile industry is faced with pressure by government regulators to move ...

  • Do You Need a Boiler Feedwater Treatment System for Your Plant?

    If you use an industrial boiler to create energy with steam, chances are you need some sort of boiler feedwater treatment system. But why? We know that natural water sources carry impurities that can cause harmful deposits, carryover, and corrosion in your boiler system. We also know that the higher the pressure your boiler runs at, the more pure your water source needs to be. ...


    By SAMCO Technologies, Inc.

  • Efficient removal of Indigo Carmine dye by a separation process

    This study is aimed at developing an innovative approach for Indigo Carmine dye removal from synthetic solutions by electrodialysis, carried out using ion exchange membranes. The batch electrodialysis system was operated at various current intensities: 0.05, 0.1 and 0.15 A. The pH and conductivity of solutions were measured before and after using electrodialysis process. The colour removal ...


    By IWA Publishing

  • Influence of the fetch parameter on results from empirical correlations for estimating odorous emissions at passive liquid surfaces

    Passive liquid surfaces in wastewater treatment plants may be potential sources of odorous emissions. This study investigates the occurrence and significance of deviations that may originate from the use of the effective diameter as fetch parameter in the empirical correlations utilised by the WATER9 model to estimate odorous emissions at passive liquid surfaces. A sensitivity analysis was ...


    By IWA Publishing

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