Zero-Discharge Articles

  • Purolite A120S is Integral to Zero Liquid Discharge Systems in the Textile Dyeing Industry

    Purolite A120S is integral to zero liquid discharge systems in the textile dyeing industry. Used for reduction of color, Biological Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) from textile dye waste water, the resin removes color through the mechanisms of ion exchange, adsorption and filtration. Subsequent ...


    By Purolite Corporation

  • China: an exciting market with many facets

    The Chinese subsidiary of H2O, Kunshan water treatment equipment co., Ltd., was founded in 2015. The company entered the Chinese market with Uwe Hanschke as General Manager. Since then, Hanschke has been responsible for supporting existing customers and expanding the market. In the following interview, Uwe Hanschke talks about his experiences, his everyday life in China, and the biggest ...


    By H2O GmbH

  • 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.

  • Does your facility need Zero Liquid Discharge Technology?

    If your industrial facility discharges its waste into deep wells, streams, sewers to publicly owned treatment works (POTWs), and/or other waterways, it is likely there are some types of regulations on discharging the waste. With an increasing push toward environmental protection, many industrial facilities and effluent regulators are strengthening strategies to reduce industrial process waste. ...


    By SAMCO Technologies, Inc.

  • Five common problems with zero liquid discharge and how to solve them

    As more and more facilities are turning to zero liquid discharge (ZLD) for wastewater treatment and effluent reduction—whether it’s to comply with local discharge regulations or recycle and reuse as much water as possible in your process—more information is becoming available about the possible issues your facility might face while using ZLD technology. Because of the scope of ...


    By SAMCO Technologies, Inc.

  • What are the best companies for Zero Liquid Discharge Equipment and Technology?

    With an increasing push for environmental protection, many industrial facilities and effluent regulators are making decisions that lessen their impact on the environment and human health. Changes and implementations are constantly being discussed and met both nationally and internationally to change the way industrial facilities discharge waste, and it is important to know which companies are the ...


    By SAMCO Technologies, Inc.

  • How much will a zero liquid discharge system cost your facility?

    With increasing stewardship of environmental protection, both nationally and internationally, many industrial facilities and effluent regulators are strengthening strategies to reduce industrial process waste by implementing zero liquid discharge (ZLD), a process that limits liquid waste at the end of your industrial process to—as the term suggests—zero. A ...


    By SAMCO Technologies, Inc.

  • Ten top tips to achieve zero liquid discharge production

    Sustainability is the hot topic of our time. In a world of dwindling natural resources, taking environmental responsibility is absolutely essential. That’s why it is up to companies to take responsibility for operating in a sustainable manner. Modern wastewater processing systems allow industrial companies to re-use their treated wastewater in production. Read the top ten tips for the ...


    By H2O GmbH

  • QUA Supplied FEDI Stacks to Ethydco Refinery

    Project Background The Egyptian Ethylene and Derivatives Company (ETHYDCO) is a joint venture company established with the purpose to produce Ethylene, Butadiene and their derivatives (Polyethylene, Poly Butadiene). As part of ETHYDCO’s petrochemical complex in Alexandria, a 460,000 T/Y ethylene plant and a 20,000 T/Y butadiene extraction plant were ...


    By QUA Group LLC

  • Automotive Manufacturer Achieves Zero-Liquid-Discharge Production, Recovers Waste Energy - Case Study

    An automotive manufacturing plant in Morocco, consisting of pressing, body assembly, paintwork, and final assembly, started-up in early 2012 with two new production lines and an annual output capacity of 400,000 vehicles/year. The site was designed to discharge zero industrial effluents to the environment. Water consumption for manufacturing processes are 70% lower than for a conventional plant ...


    By PRAB, Inc

  • Zero Discharge Plants

    When the client desires to comply with certain company policies or local regulations requiring him to avoid any final discharge, a series of treatments need to be considered in order to recycle the water and dispose of the residual matter. First of all, Panta Rei provides a proper biological treatment in order to carry out the degradation and reduction of the main pollutants such as BOD, COD and ...


    By Panta Rei Srl

  • California utility chooses HERO / crystallizer for ZLD

    The Facility The Magnolia Power Project is utilizing state-of-the-art combined-cycle electric generation technology and being built on four acres of Burbank Water and Power’s (BWP) generation station complex adjacent to Magnolia Boulevard in Burbank. Aker Kvaerner is serving as the Magnolia Power Project engineering, equipment procurement and construction contractor, and has been ...

  • Genwest silverhawk power plant in nevada to install brine concentrator system

    The Facility The 570-Megawatt Silverhawk Power Station is a natural gas-fired combined cycle electric generating station located in Clark County 20 miles north of Las Vegas, Nevada. In order to meet the permitting requirements and conserve water, the facility uses a dry cooling arrangement. The project was constructed by Lockwood Greene acting as EPC under the project management ...

  • Zero discharge system handles german power station’s fgd wastewater

    Evaporator/Crystallizer Combined with Salt Exchange Pretreatment is the Answer for this Demonstration Plant. The Facility A major European utility has several power block units fitted with wet limestone FGD scrubbers at their 600 MW power station in southern Germany. The blowdown from the scrubbers is treated to remove the heavy metals and suspended solids. The ...

  • Automobile manufacturer recovers 99.5% wastewater through cost effective ZLD system

    The Facility The manufacturing facility of KIA MOTORS in Sousan, South Korea was undergoing expansion and had to meet the Zero Liquid Discharge requirements for environmental compliance. The facility is located in a water stressed area where the fresh water cost is increasing annually. They were looking for a cost effective Zero Liquid Discharge system as a means to reuse their ...

  • Metal treatment facility eliminates wastewater

    The Facility A specialty metals facility located in Euclid, Ohio rolls, forms, cuts and presses specialty metals for the aircraft and aerospace, auto and electrical industries. This plant specializes in high value molybdenum and tungsten, as well as copper parts. The Problem As a result of the metal rinsing processes in the facility discharged water into ...

  • East coast power plant realizes 95% water recovery

    The Facility Bechtel Power Corporation builta power plant in Northampton, Pennsylvania for U.S. Generating Company. The power plant burns culm, a lower quality coal rejected from use in previous decades. By using culm as the fuel, U.S. Generating will clean up a solid disposal site. The power plant contains the usual systems including cooling towers and demineralizers that produce waste ...

  • The Missing Piece: Utilizing evaporation technology to dewater RO reject wastewater

    Reverse Osmosis reject often has high salinity making it prohibitive for discharge to the local sewer facility and expensive to have hauled away. The white paper discusses the advantages of evaporation in general, as well as the differences between Thermal Evaporators and Mechanical Vapor Compression (MVC) Evaporators. Also discussed are the technical details of RO reject water chemistry as ...


    By ENCON Evaporators

  • Corrugated Printing Facility Zero Discharge

    This company imports corrugated board and prints the labels using a flexographic machine. The facility had a wastewater treatment system using the traditional liquid chemistry of aluminum chloride, caustic for pH adjustment, and an anionic flocculant. The effluent was often out of compliance due copper from the color pigments in the inks. The system required continual adjustment of the 3 ...


    By Integrated Engineers Inc.

  • Distillation Process Can Yield Zero Liquid Discharge System

    Many industrial applications produce liquid waste as a by-product of their process. As environmental regulations governing the disposal of industrial wastewater become more stringent, it's imperative that innovative wastewater treatment solutions are used to treat this waste and minimize the environmental impact of disposal. While numerous technologies exist to treat industrial wastewater, Zero ...


    By Samsco Corporation

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