wastewater treatment problem Articles

  • 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 ...

  • What Is Zero Liquid Discharge and How Does It Work?

    Not every industrial facility that produces wastewater will require zero liquid discharge (ZLD). It is usually looked to as a last resort because it can be a complex process that requires a high initial investment. If a facility is located on a site that has severe water scarcity issues and/or astronomical discharge fees, it might be ...


    By SAMCO Technologies, Inc.

  • Stop It Pipe Repair System assists in decommissioning project - Case Study

    Since 1986, InduMar Products Inc. has provided a unique solution with its STOP IT Pipe Repair System. In refineries and chemical plants, where many miles of piping carry products that are often highly flammable, toxic or corrosive, the STOP IT provides a method to restore product and profit flow in minutes instead of the many hours required to cut out a pipe section, fabricate and install a new ...


    By InduMar Products, Inc.

  • Distillery Wastewater Treatment and Disposal

    Untitled Document ABSTRACT 1. One of the most important environmental problems faced by the world is management of wastes. Industrial processes create a variety ...


  • Wastewater Treatment Plant

    Water is basic to life. It is a precious resource and has become precious commodity now. On going Industrialization, population & urbanization pose pressure on water availability. Utility value of world’s freshwater resources like lakes and rivers are diminishing rapidly due to over exploitation & pollution. Groundwater, an alternative to surface water is also a natural ...


    By Sugam Paryavaran Vikalp

  • Wastewater Treatment: Overview and Background

    SummaryWaste discharges from municipal sewage treatment plants are a significant source of water quality problems throughout the country. States report that municipal discharges are the main source of impairment to estuaries and coastal waters, the second leading source of impaired rivers and streams, and also are a major source of pollution in lakes. Pollutants associated with municipal ...


  • Optimizing Wastewater Treatment

    ' Growing volumes of both industrial and municipal wastewater are being discharged to surface waters but the treatment provided frequently is inadequate to protect the desired uses of the receiving waters. With limited resources in terms of both institutional capacity and finance, governments face difficult choices in optimizing their investments in municipal systems and establishing practical ...


    By The World Bank

  • Biological Wastewater Treatment

    Untitled Document The use of microorganisms to remove contaminants from wastewater is effective and widespread. To choose the right system from the many options offered, ...


  • Fine screens help New Jersey wastewater treatment plant stop rag and grease problems

    A few years ago the Hammonton Wastewater Treatment Plant, located in the lush green countryside of southern New Jersey, faced continuous problems with rags, trash and plastics passing right through a rusty old bar screen and into the oxidation ditch and final clarifier.After years spent unclogging pumps, clearing out trash and untangling the UV system – plant managers decided to find a better ...


    By JWC Environmental

  • Wastewater-Primary Treatment

    Primary Treatment is defined as a wastewater treatment process that takes place in a rectangular or circular tank and allows those substances in wastewater that readily settle or float to be separated from the water being treated. This process achieves solids separation. The solids readily available to settle to achieve sedimentation will do so in a settling tank referred as a clarifier. On the ...

  • A Simple Solution to Big Snail Problems - A Case Study at VSFCD’s Ryder Street Wastewater Treatment Plant

    A treatment facility operating on the northern edge of the San Francisco Bay, in Vallejo, California, was experiencing excessive growth of trickling filter snails in the plant’s two biotowers. Downstream of the biotowers, the snail shells would settle in the plant’s aeration basins and secondary clarifiers and cause major maintenance problems. Periodically the entire aeration basin and clarifier ...

  • Solving a messy problem: Covering wastewater treatment in Halton region Ontario, Canada case study

    The Regional Municipality of Halton or Halton Region is located in Southern Ontario, part of the greater Toronto area. Halton owns and operates seven wastewater treatment plants for four Ontario cities in its jurisdiction. These plants are designed to treat wastewater from homes and businesses turning the effluents into biosolids. Turning waste into food requires a process that starts with the ...


    By CST Industries Inc

  • Automated Treatment System Used to Solve a Costly and Environmentally Critical Wastewater Problem for an East Coast Utility

    BACKGROUND Hydrocarbon and particulate contamination in wastewater is a well-known environmental hazard.  Due to tightening environmental regulations, an ever-increasing source of such contamination in major cities comes from water collected from underground utility vaults and manhole water.  This contaminated water, contains a smorgasbord of potential contaminants from transformers, ground ...


    By Walchem, Iwaki America Inc.

  • Phenols, flame retardants and phthalates in water and wastewater – a global problem

    Organic pollutants in water and wastewater have been causing serious environmental problems. The arbitrary discharge of wastewater by industries, and handling, use, and disposal constitute a means by which phenols, flame retardants (FRs), phthalates (PAEs) and other toxic organic pollutants enter the ecosystem. Moreover, these organic pollutants are not completely removed during treatment ...


    By IWA Publishing

  • Treatment of unpleasant odors in municipal wastewater treatment plants

    The purpose of this paper to present a case study on how to address the odor problem from secondary sources within a municipal wastewater treatment plant (WWTP) by first identifying the locations of the problem and second by evaluating alternative treatment technologies. The WWTP of Chania is a typical 100,000 equivalent inhabitants-facility in a warm semi-arid environment which is located close ...


    By IWA Publishing

  • Problems of operation and main reasons for failure of membranes in tertiary treatment systems

    Abstract This paper presents and discuss the results of the long term operation and monitoring of membrane fouling at several full-scale MF/RO water recycling facilities operated by Agbar in Spain. It was demonstrated that membranes are very reliable treatment enabling the production of high-grade recycled water, well disinfected and with the removal of all priority substances. The ...

  • Mono is the key to york house problems

    The site, York House Holiday Park in the heart of the tiny hamlet of Balk near Thirsk, was experiencing problemswith the submersible pumps that are installed to handle the sewage and waste water from the caravan site. Solids within the waste water were blocking the submersible pumps, which meant lifting the pumps out of the sump to repair - a costly and labour intensive job. After receiving ...


    By NOV Mono - Mono Pumps Ltd

  • Suitable for piggery wastewater treatment! (Japan)

    Ishikawa Stockbreeding, Inc. had faced problems with labor and maintenance works accompanied with the handling of excess sludge, generated from their piggery wastewater treatment plant. However, the installation of Volute Dewatering Press solved all these problems and this resulted in a big fall in labor and maintenance works for excess sludge treatment. Problem Ishikawa ...


    By AMCON Inc.

  • Struvite Formation & Struvite Wastewater Treatment

    The three chemical components for Struvite formation are magnesium, ammonia and phosphorus, also known as MAP for short. Struvite’s chemical formula is NH4MgPO4·6H2O. WWTP managers have used a number of different products and techniques for Struvite removal, and to prevent Struvite formation. Most text books on Struvite control talk about the use of ferric chloride (FeCl3) to control ...


    By Struvite Removal

  • Five Common Problems with Raw Water Treatment and How to Avoid Them

    For industrial companies treating a raw water source for its processes, there are several issues that can surface during treatment that we see on a regular basis. We’ve broken out the five most common problems with raw water treatment and how to avoid them below. Whether you’re designing a new plant or updating existing equipment, avoiding these five common raw water ...


    By SAMCO Technologies, Inc.

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you