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Acidic Wastewater Treatment Applications

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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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    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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    Water Treatment Solutions for Radium Removal

    Radium is found naturally in uranium ores. It is an alkaline earth metal that decomposes in water and  it is over a million times more radioactive than the same mass of uranium. As a radiological hazard that emits alpha, beta, and gamma rays, it is a carcinogen.

    By Adedge Water Technologies, LLC based in Buford, GEORGIA (US) (USA).

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    Lime Cream Pumping

    By Albin Pump SAS based in Montelimar, FRANCE.

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    Lime Milk Pumping

    By Albin Pump SAS based in Montelimar, FRANCE.

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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).

  • 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).

  • 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.

  • High-calcium lime slurry for water & wastewater treatment industry

    Our NSF certifications allows our product to be used for both the treatment of drinking water as well as the operation of sewage treatment and bio-solid management.

    By Sudbury Lime Ltd. based in Copper Cliff,, ONTARIO (CANADA).

  • Mixers, dryers, innovative solutions for starch industry

    Chemically modified starches (from potatoes, corn, tapioca, wheat, peas, and others) are used in papermaking, among other applications, to improve paper strength. The wet process is used most frequently in this case. The starch is slurried in water, then the cationizing agent is added to cause it to react. The starch remains in a suspension throughout the entire process until drying. However the drying method is more economical. In this process, natural starch powder is intensively mixed with the cationizing...

    By AVA GmbH u. Co. KG based in Herrsching, GERMANY.

  • Lime and Limestone solutions for water treatment industry

    The world’s surface is slightly over 70% water with billions of gallons of surface water and ground water used daily in society. Whether it is for drinking, hygiene, washing, cooking, recreation, agriculture, or power generation and industrial coolants, water is an undeniable source of life.

    By Carmeuse Lime based in Pittsburgh, PENNSYLVANIA (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.

  • 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).

  • 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).

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