chlorination system Articles

  • Reverse Osmosis and Nanofiltration Membrane Filtration Systems: Common Problems and How to Fix Them

    Reverse osmosis (RO) and nanofiltration (NF) are membrane filtration technologies that are designed to remove solute ions and molecules from a pretreated liquid stream. Well-designed RO/NF units are compact and demand relatively little maintenance, making them an attractive alternative to conventional treatment trains. Even despite the merits of today’s efficient RO/NF technologies, it pays ...


    By SAMCO Technologies, Inc.

  • Air pollution regulations drive deployment of flexible abatement solutions - Case Study

    To address the growing complexity of air pollution regulations, which have to address a multi-tiered array of local authority, national and international requirements, AirProtekt of Cambridge is offering a total package air pollution service that embraces process assessment, project design, supply of the air pollution equipment, installation and commissioning. Modern Air pollution regulations ...


    By AirProtekt Limited

  • Xylem helps Italian spa go with the flow

    A case study on the termal Hotel Mamma Margherita, Abano Terme (Padova) For many people, a relaxing break in a secluded Italian spa is the ideal way to recharge. However, what many may not be aware of is the importance of a solid and reliable pumping system to keep activity above the surface running seamlessly. Hotel Mamma Margherita, situated in Padua, north-east Italy, ...


    By LOWARA - a Xylem brand

  • UV Minimises Risks for Major Food Retailers

    For many years, one of the UK’s largest food manufacturers has made it their business to be the best at producing all manner of bespoke cooked and raw, ready-to-eat vegetables and carbohydrates for their customers, who include chilled food manufacturers, food-to-go operators and, of course, major supermarkets. Being the best means not only complying with food quality standards set by ...


    By atg UV Technology

  • Controoling chlorine costs

    The most widespread disinfectant used in the treatment of drinking water is chlorine, which can be applied in a variety of ways. History has taught us that, in bacteriological terms, chlorinating water is a proven way of disinfecting drinking water. After all, more than 75 years have passed since chlorine was used to disinfect drinking water for the first time. Many years of experience have shown ...


  • International Chlorine Header Project

    Project: CHLORINE HEADERS AND TRANSFER DUCT REPLACEMENT Client: Major chlor-alkali plant in the Middle East General Scope: All four chlorine gas collection headers, each one 24” through 42” diameter, and all 54” diameter chlorine gas transfer duct from headers to chlorine coolers was installed in ...


    By Fibrex Corporation

  • Standard Chlorine of Delaware Remediation

    By designing a 70-foot deep barrier wall, Black & Veatch was able to cut off contaminant source areas from a creek near New Castle, Delaware. The groundwater treatment system that Black & Veatch designed prevents site contamination from reaching the underlying drinking water aquifer. The Standard Chlorine of Delaware Site is a 65 acre area including an abandoned chlorobenzene ...


    By Black & Veatch Corporation

  • Industrial facility with chlorinated solvents

    Project Description The project site is an Industrial facility located in the foothills of northern Los Angeles, California. The facility utilized chlorinated solvents in operations. Site Geology Based on soil borings site geology consisted of unconsolidated gravely sands, sand, silty sand, sandy silt, and silt from ground surface to more than 200 feet below ...


    By GEO Inc

  • Less Chlorine for Korean Mussels

    Abstract “KHNP used to apply conhinuous chiorination as an antifouling regime in iheir cooiing water system. Deveiopment of a new regime based on KEMA’s Pulse-Chlorination principie enabied the company lo reduce its chiorine use considerabiy. This means iower energy consumplion and reduced environmentai impaci,” explains KEMA’s Harry Poiman. KEMA recentiy completed a project in South Korea for ...


    By Sweco Nederland BV

  • Controlling the addition of Chlorine into a Process

    There are several methods for controlling the addition of chlorine into a process. These methods include flow proportional injection, ORP (oxidation reduction potential) or a residual chlorine analyzer. Each method measures a different process characteristic. Depending on the specific type of process being controlled, there generally is a best choice for controlling the injection of either ...


    By Walchem, Iwaki America Inc.

  • Sanitation Using Ozone & Chlorine

    For nearly 100 years, ozone has been used all over the world for water sanitation. It is nature’s strongest oxidizer and has a byproduct of pure oxygen. Chlorine, on the other hand, is a very effective, time-proven chemical, but is ineffective against hard-to-kill microorganisms such as cryptosporidium. It also has some unpleasant byproducts. Together, however, these two substances can ...

  • Chlorine Theory & Measurement

    Chlorine, dissolved in liquid is one of the most effective and economical semi-killers for the treatment of water to make it potable or safe to drink. Chlorine's powerful disinfectant qualities come from its ability to bond with and destroy the outer surfaces of bacteria and viruses. Drinking water chlorination is one of the most widely used methods to safeguard chinking water supplies. In ...


    By IC Controls Ltd.

  • Key Operating Strategies for Chlorine Disinfection Operating Systems

    ABSTRACTChlorine has been used as a standard for disinfecting wastewater for many years. While being the standard There are many levels of automation for control of disinfection. To select the best control approach for your facility both control strategies and chlorination chemistry must be understood. Permit conditions must also be fully identified; organism concentrations and operational data. ...

  • Pulse-Chlorination®, the Best Available Technique in Macrofouling Mitigation Using Chlorine

    In 1998, KEMA developed a new chlorination method called Pulse-Chlorination®. It enables optimal antifouling treatment with a minimum use of chlorine. This technology is based on the principle that in general mussels and clams have a re-covery period after exposure to chlorination before opening fully and restarting filtration. The method takes advantage of this recovery time by using short ...


    By Sweco Nederland BV

  • Chlorination By-Products in Chlorinated Cooling Water of some European Coastal Power Stations

    Chlorination by-products (CBPs) are formed as a result of ti;: cnlorination of power station cooling waterfor anti-foulingpurposes. Their production was studiedat IO coastal power stations in the UK, France and The Netherlands. Three categories of CBPs were determined: trihalomethanes; haloacetonitriles; and halophenols. Bromoform was the CBP most abundantly present in the efluents of all 10 ...


  • Case study - Chlorinated groundwater treatment

    Problem A Fortune 50 company implemented a remedial project to collect and treat polluted groundwater from a site in Central New York, preventing the mitigation of impacted groundwater from flowing into local waterways. An engineering and construction firm was hired to design and build an effective, efficient groundwater treatment system. Collection of the polluted water would be done ...

  • Chlorinated solvents: methylene chloride and TCE

    Introduction This paper presents the results of a scaled and phased approach to source remediation of high concentrations of recalcitrant chlorinated solvent compounds via soil vapor extraction (SVE) and vapor treatment at a Site in Southern California. Phase I began with refrigerated condensation (C3) in order to achieve high mass removal rates to reduce lifecycle costs and time ...

  • Chlorine Safety and Prevention: How to Protect Yourself from Chlorine Leaks

    While chlorine gas is widely used in swimming pools, water treatment facilities, cleaning products, pharmaceutical products, and in many other industries, the gas is highly toxic when handled improperly. Training your workers on how to safely use chlorine is one part of health and safety best practices; monitoring your workplace for chlorine leaks is another. Learn about the hidden dangers in ...

  • On-Site Chlorine Generation Feasibility Study

     ABSTRACT Gaseous chlorine has been effectively used for disinfection in drinking water and wastewater treatment for decades. While various regulatory programs have placed numerous restrictions on the uses of this chemical due to its hazardous nature, recent focus on the possibility of a terrorist attack at a drinking water or wastewater facility, has underscored the potential hazard ...

  • Case study - Chlorinated groundwater treatment

    Overview A Fortune 50 company implemented a remedial project to collect and treat polluted groundwater from a site in Central New York, preventing the mitigation of impacted groundwater from flowing into local waterways. An engineering and construction firm was hired to design and build an effective, efficient groundwater treatment system. Collection of the polluted water would be ...

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