Sodium metabisulfite

Also known as Sodium Pyrosulfite or Disodium. Used in RO units, at no time should there be a Free Chlorine residual in RO feed water. Even very low levels of chlorine in the feed stream will result in irreparable oxidation damage of the membrane. Therefore operators should ensure that oxidants do not enter the RO system by using a chemical reducing agent such as sodium bisulfite.It is also used as a disinfectant, antioxidant and preservative agent. In winemaking, this basically has two purposes: to kill wild yeast and for use as a sanitizing agent. Use it before to clean bottles, carboys, and to soak corks in a solution before bottling.

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Potassium metabisulphate

Also known as Potassium Pyrosulfite, is a white crystalline powder with a pungent sulphur odour. The main use for the chemical is as an antioxidant or chemical sterilant. In winemaking this has two purposes: to kill wild yeast and for use as a sanitizing agent. Use it before to clean bottles, carboys, and to soak corks in a solution before bottling.

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Potassium bicarbonate

This reduces acid in juices. It is added before fermentation. It is also used as an antacid, in swimming pools and in water treatment.

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Calcium Carbonate

Calcium carbonate comes in many forms such as limestone, Stock lime, Ground marble or Calcite. It is mainly used in water treatment and swimming pools. It is used as a neutralizing agent, filler, antacid, extender in paints, pacifying agent in paper, Source of lime and in Portland cement

The Langelier Index(LSI)is an approximate indicator of the degree of saturation of water with calcium carbonate. The Langelier Index is one of several tools used by water operators for stabilizing water to control both internal corrosion and the deposition of scale. Water supply operators can optimize their water supply systems and identify leakage potentials with the Langelier Index. It is calculated using the pH, alkalinity, calcium concentration, total dissolved solids, and water temperature of the water sample.

If the Langelier Index is negative, then the water is under saturated with calcium carbonate and will tend to be corrosive in the distribution system.

If the Langelier Index is positive, then the water is over saturated with calcium carbonate and will tend to deposit calcium carbonate forming scales in the distribution system

If Langelier Index is close to zero, then the water is just saturated with calcium carbonate and will neither be strongly corrosive or scale forming.

Experience has shown that Langelier Index in the range of -1 to +1 has a relatively low corrosion impact on metallic components of the distribution system. Langelier Index values outside this range may result in laundry stains or leaks.

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Oxalic Acid

Oxalic acid is a colourless crystalline organic solid compound assay greater than 99.4% and dissolves in water to give colorless solutions. Oxalic acid’s main applications include cleaning or bleaching, especially for the removal of rust, it is used as a mordant in dying processes, for making cleaning liquid for electrical instruments, for deposition and separation of rare-earth metals, for water treatment, for bleaches, especially for pulpwood, timber cleaning and restoration. Oxalic acid is an important reagent in lanthanide chemistry. Hydrated lanthanide oxalates form readily in strongly acidic solutions.

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Polymers

These are higher molecular weight compounds and come in a variety of anionic and cationic charges. Polymers are most often used to increase the viscosity of water or to encourage flocculation of particles present in water such as general industrial wastewater and all kinds of municipal wastewater and sewage. Polymers cause suspended particles in wastewater to aggregate, forming a floc and make fine solids in treated water adhere to one another until they become big enough to settle out or be captured by filters to make sewage sludge which can be filtered or removed more easily. Polymers are used extensively for a wide variety of industrial processes involving paper making, petrochemical extraction, Sugar manufacturing, electroplating, textiles, oilfields, food processing, pharmaceutical, leather, breweries, wineries, slaughterhouses and to treat water from mineral mining processes, including production of coal (coal washing), Ore washing, lead, titanium, gold, zinc, iron, sand, phosphoric acid, silver, nickel, copper, steel, gravel, alumina uranium as well as potash processing.

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Odour Cleaners

Odour emissions from sewage treatment plants, rising mains and pump stations are a concern with an increase in odour related complaints over the years.

All Chemical MOH100 is widely used odour control in sewage networks.

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Citric Acid and Acid Cleaners

    Citric Acid and Acid Cleaners are specially formulated solutions designed to remove iron and other inorganic foulings from polyamide membranes. They also remove some organic foulings. They have been formulated to give a pH of about 4 to the cleaning solutions at the correct concentrations.
  • PPA8560 is used for removing hard water stains on surfaces and in RO membranes.
  • CAC550 is used for removing hard water stains and ions in RO membranes
  • CAC1000 is used for removing hard water stains and ions in RO membranes
  • CAH2520 is used for removing hard water stains and ions in RO membranes

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Water Softeners and Equipment Supplier Australia

When water contains a significant amount of dissolved salts such as calcium and magnesium, it is called hard water. Hard water is known to clog pipes and greatly reduce the efficiency of hot water boilers and tanks. Hard water also reduces the amount of chemicals such as soap and detergent that can dissolve in water and increases the cost of water heating by about fifteen to twenty percent. Therefore, water softening is a technique that removes ions that causes the water to be hard. Using softened water means expanding the life span of equipment and machines, such as boilers, laundry machines, and the pipelines. It also contributes to the improved working, and longer lifespan of solar heating systems, air conditioning units and many other water-based applications.

  • All Chemical GSC100 and GPC200 are used as hard water softeners

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Rust Cleaners

  • Rust Cleaners are used for removing rust stains and stubborn RED DUST on a wide variety of equipment surfaces. The solution is also used for bleaching, as a mordant in dying processes, for making cleaning liquid for electrical instruments, for deposition and separation of rare-earth metals, for water treatment, for bleaches, especially for pulpwood, timber cleaning and restoration.

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