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acidic wastewater Applications

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    Determination of acetic acid (acetate anions) in natural, drinking, and waste water

    Introduction

    The method is used for the determination of acetic acid (as acetate ions) in the samples of natural water, drinking water, and waste water by capillary electrophoresis.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Wastewater evaporator Solutions for the electronics manufacturing wastewater management

    Assembly of many electronic components involves multiple washing processes to remove residue, oil, acids and other lubricants and contaminants before during and following various process steps. This generates large volumes of wastewater containing alkaline, acid solutions, heavy metal wastewaters, paint, plating residue wastewater, and other metal fabrication wastewaters. Polishing, grinding and dicing operations in semiconductor manufacturing produce wastewater high in suspended solids, including silica,...

    By Draygon LLC based in Venice, FLORIDA (USA).

  • Industrial water Zinc recovery from pickling acid solution

    The zinc chloride is to be removed from pickling acid at 6N concentration. Under these conditions, the ZnCl2 will form a stable complex and may be removed by PuriTech`s ION-IX technology using an anion resin. The resin is then eluted with water.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Plating rinse wastewater solution

    Plating rinse wastewater is one of the most common applications for ENCON Wastewater Evaporators. Wastewater from plating rinse tends to be rather corrosive. The chemistries used in the plating process can include a wide range of acids such as nitric acid, chromic acid, hydrochloric acid, sulfuric acid, hydrofluoric acid, as well as other non-acid chemistries like ammonium bifluoride and nickel sulfamate. Typically, the waste stream has a transparent, relatively clean look because they are dilute and the...

    By ENCON Evaporators based in Hooksett, NEW HAMPSHIRE (USA).

  • Environmental solutions for the stormwater & wastewater industry

    Design high-performing, ‘low environmental impact’ GEOWEB channels for stormwater conveyance, as well as for erosion protection of containment facilities.  Protect impervious liners in lagoons and detention basins, preventing degradation and contaminant leakage.  With the GEOWEB system, channel and basin designs can be customized for each project with vegetation, aggregate or concrete infill, offering more economical solutions than rip-rap, gabions or reinforced concrete systems. ...

    By Presto Geosystems based in Appleton, WISCONSIN (USA).

  • Solutions for wastewater treatment industry

    Sodium Hypochlorite. Sodium Hydroxide (Caustic Soda) 20%-50%. Sodium Bisulfite. Hydrochloric Acid. Lime. Chlorine. Soda Ash. Sulfur Dioxide. Sulfuric Acid. Citric Acid. Aluminum Sulfate. Permanganate.

    By Carus Corporation based in Peru, ILLINOIS (USA).

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    Wastewater evaporator Solutions for the machining, metal fabrication & metal finishing wastewater

    Manufacturing, metal fabrication and metal finishing require multiple washing processes to remove residue, oil, acids and other lubricants and contaminants before during and following various process steps. This generates large volumes of wastewater containing alkaline, acid solutions, heavy metal wastewaters, paint, plating residue wastewater, and other metal fabrication wastewaters. Wastewater and wash water from spills and floor cleaning must also be properly disposed. These manufacturing waste waters...

    By Draygon LLC based in Venice, FLORIDA (USA).

  • Wastewater treatment solutions for anaerobic sludge digestion sector

    Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen, used for industrial or domestic purposes to manage waste and/or to release energy. It is widely used as part of the process to treat wastewater, like Upflow Anaerobic Sludge Blanket (UASB) reactors. As part of an integrated waste management system, anaerobic digestion reduces the emission of landfill gas into the atmosphere. Anaerobic digestion is widely used as a renewable energy...

    By QM Environmental International B.V. based in The Hague, NETHERLANDS.

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    Chemical Water Treatment for cleaning

    Deposits in water systems, especially in heat exchangers, result in a significant heat transfer reduction, in low efficiency and a loss of cooling capacity. Some systems, after long operational periods without any water conditioning or with inadequate treatment, need cleaning. Therefore Kurita Water Solutions proposes acidic, alkaline and neutral cleaners to remove deposits, scale, fouling, dirt, grime or impurities.

    By Kurita based in Tokyo, JAPAN.

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    Oxidation Reduction Potential (ORP)/Redox

    Oxidation Reduction Potential or Redox is the activity or strength of oxidizers and reducers in relation to their concentration. Oxidizers accept electrons, reducers lose electrons. Examples of oxidizers are: chlorine, hydrogen peroxide, bromine, ozone, and chlorine dioxide. Examples of reducers are sodium sulfite, sodium bisulfate and hydrogen sulfide. Like acidity and alkalinity, the increase of one is at the expense of the other.

    By Myron L Company based in Carlsbad, CALIFORNIA (USA).

  • Chemical Oxygen Demand (COD) Analyzer for Industrial & Municipal Wastewater Industry

    MANTECH’s game-changing water quality analysis technology is revolutionizing wastewater treatment at industrial and municipal facilities worldwide. The PeCOD Analyzer provides accurate chemical oxygen demand (COD) results and biochemical oxygen demand (BOD) estimates within minutes rather than the hours or days required for standard COD and BOD testing — without the use of dichromate, mercury, acids and other harmful chemicals.

    By MANTECH Inc. based in Guelph, ONTARIO (CANADA).

  • Industrial water softening

    The presence of certain metal ions in water causes a variety of problems. These ions interfere with the action of soaps, lead to build up of limescale, which can foul plumbing, boilers, heating equipment. Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water extends the lifetime of plumbing and heating equipment. Softening of low TDS ( Total Dissolved Solids ) water is done commonly with a Strong Acid Cation ( SAC ) exchange resin operating...

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Disinfectants in swimming pool and spa

    For swimming pools chemicals, we have own factory HEBEI XINGFEI CHEMICAL CO., LTD, which is the biggest manufacture of SODIUM DICHLOROISOCYANURATE and middle size of TRICHLOROISOCYANURIC ACID in China. NSPF certified member and patent owner.

    By SHIJIAZHUANG AQUAENJOY ENVIRONMENT CORP LTD based in SHIJIAZHUANG, CHINA.

  • Sediment and Nutrient Loads

    SedEvent is an event-driven, automatic grab sampling system that provides a simple and practical method of accurately determining suspended sediment and nutrient loads. While suspended sediment concentration (SSC) cannot be directly measured accurately or reliably, turbidity has been shown to be an excellent surrogate for SSC. Turbidity is caused by suspended particulate matter such as clay, silt, algae, organic and inorganic chemicals and acids like fertilizers, and microscopic organisms like harmful bacteria....

    By FTS based in Victoria, BRITISH COLUMBIA (CANADA).

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    Ultraviolet disinfection systems for the produced water treatment

    With environmental regulations becoming more stringent, and the link between re-injected water quality and operational costs becoming clear to operators, investing early in advanced water treatment solutions for produced water for both reinjection applications and environmental discharges is now a top priority for operators worldwide.  atg UV Technology have provided a number of specialist UV packages for the disinfection of Produced Water in order to reduce microorganisms such as SRB’s (Sulphate...

    By atg UV Technology based in Wigan, UNITED KINGDOM.

  • Environmental technology for water treatment industry

    In many fields of water treatment Körting ejectors are applied as gas introducing systems; Waste water aeration in aeration tanks and SBR-Plants. Introducing ozone or oxygen. Pressurised dissolved air flotation. Disinfection of potable water and de-acidification.  Further applications are: Diluting and conveying acids and lye during the process of regenerating ion exchangers.

    By Körting Hannover AG based in Hannover, GERMANY.

  • Waste water respirometry solutions for toxicity reduction tests

    In industrial manufacturing companies, before a new process comes on-line, it is important to measure the toxicity of the effluent stream. This is especially the case for companies who treat their own waste. From the toxicity value (EC50) obtained, it may be a cost-effective solution to simply discharge the effluent to the treatment works at a slow and defined rate to minimise damage to the activated sludge. Following a period of acclimatisation it is often possible to increase feed rates to the plant and this...

    By Strathkelvin Instruments Ltd. based in North Lanarkshire, UNITED KINGDOM.

  • Cyanide Treatment with Hydrogen Peroxide

    Cyanides are used in a number of chemical synthesis and metallurgical processes (as simple salts or cyanide complexes). As a class, cyanides are highly toxic and must be destroyed or removed from wastewaters prior to discharge. The most common method for treating free or simple cyanide is alkaline chlorination. However, chlorination of cyanide results in highly toxic intermediates (e.g., cyanogen chloride) and, if organic material is present, chlorinated VOC’s. These compounds, together with the residual chlorine,...

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

  • Sulfide Oxidation with Hydrogen Peroxide (H2O2)

    Sulfide Odor Control Sulfide is found throughout the environment as a result of both natural and industrial processes. Most sulfide found in nature was produced biologically (under anaerobic conditions) and occurs as free hydrogen sulfide (H2S) - characterized by its rotten egg odor. We are most likely to encounter biogenic H2S in sour groundwaters, swamps and marshes, natural gas deposits, and sewage collection/treatment systems. Manmade sources of H2S typically occur as a result of natural materials containing...

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

  • Activated Carbon Filtration for the Water Filtration Industry

    General Carbon carries a complete line of activated carbon made from coal, coconut shell and wood for most liquid phase applications.  These include acid washed activated carbon for drinking water and food grade applications as well as products suitable for waste water remediation, decolorization applications, chemical and pharmaceutical purification. Additionally, our specialty medias are best for the treatment of non-emulsified oils and heavy metals. Our stock of activated carbon for liquid phase...

    By General Carbon Corporation based in Paterson, NEW JERSEY (USA).

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