Solvay Interox Pty Ltd

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Hydrogen Peroxide

Our hydrogen peroxide is available in various standard and specialty grades, differentiated by the stabilizer packages appropriate for the specific end use. Each grade is available in up to three different concentrations ranging from 35 to 70%. Solvay Interox products for the semiconductor industry feature some of the world's most pure hydrogen peroxide.

Standard Grades

Technical Grade hydrogen peroxide is our most commonly used grade. It is stabilized with tin compounds that protect the product from decomposition during transport and storage. Dilution Grade hydrogen peroxide also stabilized with tin. It is more heavily stabilized than Technical Grade hydrogen peroxide to accommodate on-site dilution with an approved water source. Chemical Grade hydrogen peroxide is formulated with a tin-free organic stabilizer. It is most commonly used by the chemical processing industry in applications that cannot tolerate the presence of tin. Typical product applications for these grades are described below.

Pulp and Paper
Hydrogen peroxide is commonly used to brighten, delignify and control environmental upsets. In chemical pulp mills, hydrogen peroxide can be used to both delignify and brighten. Since it will effectively replace a portion of the chlorine dioxide requirement in a conventional kraft bleach sequence, and it is an excellent option for the bleacher that needs to increase brightness, increase throughput or lower bleaching costs. For mechanical pulp, hydrogen peroxide is the only brightening solution that will provide high brightness gains (>15 brightness points) while preserving yield. In secondary fibre processing, hydrogen peroxide is a versatile brightener. It can be used in the pulper, disperger, or in a traditional tower post-bleach.

Mining                                                                                                                                                                                                                         There are many applications of Hydrogen Peroxide in the Mining and Metallurgical fields. A significant application for Hydrogen Peroxide is in the Gold Mining Industry where it is used for the destruction of Cyanide in the tails as either Caro's Acid (H2SO5 - a mixture of Sulphuric Acid and Hydrogen Peroxide) or Hydrogen Peroxide (H2O2).

Hydrogen Peroxide and it's derivative Calcium Peroxide are also used to improve gold leaching kinetics and recovery during the gold leaching process. Another major metallurgical application for Hydrogen Peroxide is in Uranium Industry, where Caro's Acid or Hydrogen Peroxide are used to leach Uranium from its ore whilst Hydrogen Peroxide can be used to precipitate Uranium from solutions containing the metal.

Many other metallurgical processes use Hydrogen Peroxide and Caro's Acid for the treatment of metals such as Iron, Manganese, Cobalt and Chromium amongst others.

Textiles
Hydrogen peroxide is commonly used for textile bleaching and desizing. It is widely used on natural cellulosic fibers (cotton, flax, linen, jute, etc.), protein fibers (wool, silk, etc.) and synthetic blends. Hydrogen peroxide is also effective on regenerated cellulose fibers.

Environmental
Hydrogen peroxide is a proven, cost-effective solution for a variety of water, soil, and toxic air emissions. Refineries, chemical plants, paper mills, municipalities, soil remediators and many other types of operations use hydrogen peroxide. With it, they treat or control aldehydes, phenols and other aromatic compounds, reduced sulphur compounds, chlorine, cyanides, NOx, SOx, BOD, COD and several other pollutants.

Chemical Synthesis
Hydrogen peroxide and its in-situ derivatives are powerful oxidizing agents that are environmentally attractive, yet capable of oxidizing a wide range of organic compounds. Hydrogen peroxide is widely used in epoxidation and hydroxylation reactions and it is an excellent choice in oxidative cleavage reactions and for oxidizing ketones, aldehydes, alcohols, organic nitrogen and organic sulphur compounds. Hydrogen peroxide can also be used is a variety of solvent systems since it is soluble in water, many organic solvents or the substrate itself.

Specialty Grades

Cosmetic Grade hydrogen peroxide is very heavily stabilized to provide extra stability and extended shelf life in a variety of formulated consumer products. It also meets U.S. Pharmacopeia specifications when properly diluted to 2.5-3.5% concentrations. Food Grade hydrogen peroxide is lightly stabilized to meet the purity requirements of the Food Chemical Codex. PFP^TM hydrogen peroxide is a specially formulated product for use in immersion-type aseptic packaging machines. PFP^TM hydrogen peroxide eliminates the need to add supplemental stabilizers at the point of use, thereby mitigating the effects of stainless steel processing equipment or other possible contaminants.

Consumer Products
Hydrogen peroxide is used in laundry bleaches that are gentle to fabrics and dyes, topical solutions which fight germs without staining, contact lens cleaning solutions and as chlorine-free household cleaners and wood bleach formulations.

Food Processing
Solvay Interox Food Grade hydrogen peroxide is approved for use in such FDA approved applications as bleaching instant tea, tripe and dietary fibre and as a sanitizer of polymeric food-contact services used in packaging (see 21 CFR sections 133 through 184 for a complete list of approved uses). When used in food applications, hydrogen peroxide dosing is controlled to minimize the amount of residual hydrogen peroxide. However, any remaining residual normally decomposes to oxygen and water in any subsequent processing steps.

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Last modified: 10/27/10