zero-discharge wastewater Articles

  • 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 ...

  • Antibiotic Production Wastewater Zero Liquid Discharge Of Disc Tube SUPER RO

    Project address: Inner Mongolia in China Inflow:6300 ton per day(the largest antibiotic wastewater zero discharge project in Asia) Acceptance time:1,2015 Process: UF+RO+SUPER RO+ ...


  • Ground Zero for Industrial Parts Cleaning Discharge - Case Study

    PROCECO helps the R.H. Sheppard Co. attain zero waste after parts cleaning. RH Sheppard purchased a PROCECO Eco-Smart MVR (Mechanical Vapor Recompression) evaporator with a goal of doubling their wastewater processing capabilities. Their new system replaces an obsolete and energy-consuming evaporator. The PROCECO Eco-Smart uses a low-energy distillation method that generates a ...


    By Proceco Ltd.

  • What is Wastewater?

    What is wastewater? Wastewater, the waste discharge that first comes to mind in any discussion of stream pollution, is the discharge of domestic wastewater, which contains a large amount of organic waste. Industry also contribute substantial amounts of organic waste, some of which comes from vegetable and fruit packing; dairy processing; meat packing; tanning; processing of poultry, ...

  • Industrial Wastewater

    Industrial wastewater treatment covers the mechanisms and processes used for water treatment where has been contaminated in some way by industrial or commercial activities before wastewater is released into the environment or reused. Recent trend in the developed world is to minimize the production of wet waste like water or something else and to recycle such waste during the production process. ...


    By Horizon Water Co., Ltd.

  • Wastewater Treatment & Recycle

    Fresh water is a scarce commodity; this fact is well acknowledged by one and all. People at all levels be it general public, governmental bodies, and industries understand the implications of good quality water availability in terms of quantity, cost and wastage. As a consequence, there is a growing consensus on wastewater treatment for recycle/reuse. This paper briefly describes the treatment ...

  • Wastewater Recycling: Radiator Warehouse

     Radiator Warehouse is a small company that has been able to compete and grow through innovation and a commitment to cleaner production. After surveying available technology for recycling water and reducing chemicals, it decided to develop its own, much simpler system at a cost of only $10,000. This was not only cheaper than available overseas technologies, but was also just half the cost of ...


  • Evaporator reduces wastewater volume for dakota gasification

    Evaporator integral to stringent zero liquid discharge (zld) waste requirements American Natural Gas (ANG) developed a coal gasification project in Beulah, North Dakota in the early 1980’s to produce pipeline gas and various other products. Basin Electric, the local utility, acquired the plant in 1988 and renamed it Dakota Gasification. The Problem ...

  • Efficient Wastewater cleaning for Insulin Production

    Insulin production using biotechnology is now a standard procedure, but it leads to a high level of contaminated wastewater due to tensides which are difficult to break down. A solution provided by EnviroChemie shows how production wastewater output with varying levels of contamination and toxicity can be cleaned efficiently. It combines aerobic and anaerobic steps as well as a low-temperature ...


    By EnviroChemie GmbH

  • Case study - Wastewater from surface treatments

    The Client Our Client is a company with a certified quality production process, working at an International level since 1960. They produce seamless cold-drawn steel tubes according to EN 10305-1 and welded cold-drawn precision steel tubes according to EN 10305-2, for automotive, hydraulic and mechanical applications. The ...


    By EVALED-Evaporator

  • Case study: How to purify Hexavalent Chrome Wastewater

    We all talk about priority pollutants, about hazardous substances and discharge to the atmosphere etc. which are dangerous for our environmental. Day by day we adopt new laws and regulations to protect our green future. So, what is that “priority pollutants”? Priority pollutants are highly toxic chemicals. The list of these chemicals is quite large and includes thousands of items but ...


    By GlobeCore GmbH

  • 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

  • Questions and answers about damaging oilfield wastewater

    As U.S. oil and gas production increased this past decade, so, too, did spills of salty oilfield wastewater that can foul the land, kill wildlife and threaten freshwater supplies. An Associated Press analysis of 11 states found more than 180 million gallons of wastewater spilled from 2009 to 2014. Questions and answers about this damaging byproduct of energy production: WHAT IS IT? ...


    By Associated Press

  • 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

  • East coast metal treatment facility recycles wastewater

    Evaporator/Crystallizer Solves Pollution Problems The Facility A major industrial Fortune 500 company manufactures armored-tracked vehicles for the U.S. Army. The plant is located in York County, Pennsylvania. The Problem Aluminum and steel assemblies and parts undergo chemical dip and spray treatments before painting. The ...

  • Questions and answers about damaging oilfield wastewater

    As U.S. oil and gas production increased this past decade, so, too, did spills of salty oilfield wastewater that can foul the land, kill wildlife and threaten freshwater supplies. An Associated Press analysis of 11 states found more than 175 million gallons of wastewater spilled from 2009 to 2014. Questions and answers about this damaging byproduct of energy production: WHAT IS IT? ...


    By Associated Press

  • ENEL power, italy – fusina project – ZLD plant for FGD wastewater treatment

    The Facility The Fusina Power Plant is equipped with four coal-fired units with a total capacity of 975 MW capacity (1 x 165 MW + 1 x 170 MW + 2 x 320 MW). The Environmental Refurbishment (Flue Gas Desulpharization, (FGD)) project includes a new DeSOx system for common for units #1 & 2; two DeNOx systems, one each for unit #1 & 2. Units #3 & 4 are already equipped with DeSOx ...

  • ENEL power, italy – sulcis project – ZLD plant for FGD wastewater treatment

    The Facility The Sulcis Power Plant is equipped with 1 x 345 MW fluidized bed boiler and 1 x 240 MW conventional boiler. This coal-fired power plant is located in Sardinia Island and has a total of 585 Mwe capacity. The units normally fire imported coal with < 1% Sulphur. The flue gases are treated sequentially by SCR-DeNOx with ammonia as the reagent. This is followed by a high ...

  • Enel power, italy – brindisi project – ZLD plant for FGD wastewater treatment

    The Facility The Brindisi Sud Power Plant is equipped with four coalfired units each of 660 Mwe capacities. These units normally fire imported coal with < 1% Sulphur. The flue gases are treated sequentially by SCR-DeNOx with ammonia as reagent, High efficiency ESP to remove fly ash and wet limestone gypsum forced oxidation DeSOx. Each unit is equipped with a 2 x 50% DeSOx lines each ...

  • ENEL power, italy – torrevaldaliga project – ZLD plant for FGD wastewater treatment

    The Facility The Torrevaldaliga Nord Power Plant is being converted (torn down and rebuilt) to three coalfired units each of 660 Mwe capacity. The plant is equipped with fabric filters for flue gas dust removal, DeNOx system (for flue gas denitrification), FGD systems for sulphur oxides removal. The FGD system is equipped with a common wet limestone milling, three limestonegypsum forced ...

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