Products for cement production and processing

Products for cement production and processing

As a globally active manufacturer, we supply the cement industry with high-quality iron sulphates as well as Mono 12, Mono 30, FD iron oxide, Ferro Hepta, Ferro Aqua S and Ferro Aqua T.

Producing safe cement with ferrous sulphate

Ferrous sulphates have been part of Ferro Duo's product range for years. As a globally active manufacturer, we supply the cement industry with high-quality iron sulphates. These are important for reducing the chromium present in cement. While chromium (VI) is soluble and harmful to health, the reduction chromium (III) produced with ferrous sulphate is insoluble and harmless to health.

Ferrous sulphate has proven its worth

The use of iron sulphates has proven to be effective for reduction in the cement industry. The effectiveness of iron salts depends on the available amount of the divalent iron Fe(II). Our products achieve exceptionally good results in this respect.

Ferro Duo products for cement production and processing:

  • Mono 12
  • Mono 30
  • FD Iron oxide
  • Ferro Hepta
  • Ferro Aqua S
  • Ferro Aqua T

The all-rounder Ferro Mono 12

Ferro Mono 12 is an iron (II) sulphate monohydrate formulation from FERRO DUO which is used, for example, in the cement industry as a chromate reducer. The ferrous sulphate contained in Ferro Mono 12 is of extremely high quality and produces top results: For example, Ferro Mono 12 can be used to minimize the harmful chromium VI+ found in cement to well below the limits specified by the European Union and convert it into the harmless chromium III+. Ferro Mono 12 is available in various degrees of fineness and is capable of producing outstanding results both as a fine powder and as somewhat coarser granules. We have continuously improved Ferro Mono 12 over the past years and successfully used it in various industries.

Ferro Mono 12 is also available in fertilizer quality as an EU fertilizer and is used in various fields. Both hobby gardeners, viticulture and horticulture as well as agriculture rely on Ferro Mono 12 to serve as a micronutrient fertilizer to meet iron requirements.

Ferro Mono 12 is available in the following powder and granule forms:

  • Powder: Ferro Mono 12 Powder
  • Granules: Ferro Mono 12 Granules

Harmlessness thanks to Ferro Mono 30

Ferro Mono 30 is a thermally dried ferrous sulphate monohydrate from Ferro Duo and is used, among other things, as a chromate reducer in cement production, in fertilisers and as a nutritional additive in animal feed. The high-quality ferrous sulphate contained in Ferro Mono 30 succeeds in reducing the harmful chromium (VI) found in cement to well below the specified limits and converting it into the harmless chromium (III). As a micronutrient fertilizer and in animal feed, it counteracts iron deficiency.

Ferro Mono 30 as powder or granules

Ferro Mono 30 is available in different qualities of fineness -as powder or granules. Our product has been used successfully and continuously improved for many years, so that Ferro Mono 30 always achieves excellentresults.

Ferro Mono 30 as an EU fertilizer is used in the hobby sector, in commercial horticulture as well as in viticulture and professional agriculture as a trace nutrient fertilizer to cover iron requirements. As a nutritional-physiological additive of the functional group of trace elements, Ferro Mono 30 is successfully used by feed manufacturers and producers of mineral premixes.

Ferro Mono 30 is available in the following powder and granular forms:

  • Powder: Ferro Mono 30 Powder
  • Granules: Ferro Mono 30 Granules extra fine / fine / coarse

Flexible use: FD iron oxide

FD iron oxide is available in many customer-specific formulations and is a versatile raw material. FD Iron Oxide is used as an iron carrier or raw meal additive in cement clinker production, in the ceramic industry as well as for colouring in the production of expanded clay. To conserve natural resources, FD iron oxide is produced exclusively from industrial by-products.

Reduce chromate with Ferro Hepta

Ferro Hepta is a high quality ferrous (II) sulfate heptyhydrate from Ferro Duo and reliably delivers excellent results in the cement industry as a chromate reducer. Unlike Ferro Mono 30, Ferro Hepta contains seven moles of water of crystallization, whereas Ferro Mono contains iron (II) sulfate with one mole of water of crystallization. Since Ferro Hepta dissolves very quickly in water, it is also able to reliably reduce high chromate contents, reducing the chromate content in cement production to a level that is harmless to health. Ferro Hepta is characterized by its fine grain size, excellent dosability and silo compatibility.

For clean water: Ferro Aqua S

Ferro Aqua S is a premium product from Ferro Duo for water treatment and delivers impressive results. Due to the constantly increasing population density and the advancing industrialization, more and more water is withdrawn from the natural cycle for consumption. Ferro Aqua S is used in simultaneous precipitation for wastewater treatment. The clarified and purified water is returned to the water cycle. The iron (II) sulphate heptahydrate contained in Ferro Aqua S has excellent chemical properties and is used worldwide. Ferro Aqua S eliminates phosphate and hydrogen sulphide, decolourises the water and, in the case of industrial waste water, provides the necessary chromate reduction. Any fermentation and biogases are desulphurised by Ferro Aqua S.

Ferro Aqua S in the cement industry

Ferro Aqua S reliably delivers excellent results in the cement industry as a chromate reducer. In contrast to Ferro Mono 30, Ferro Hepta contains seven moles of water of crystallization, whereas Ferro Mono contains iron (II) sulfate with one mole of water of crystallization. Since Ferro Aqua S dissolves very quickly in water, it is able to reliably reduce even high chromate contents. This makes it possible to produce cement with a chromate content that is harmless to health.

Due to its outstanding properties, Ferro Aqua S has been used extremely successfully for decades as a raw material for the production of iron-based color pigments. It is also suitable for special applications, for example for transparent, color-changing pigments or as food coloring.

Water treatment with Ferro Aqua T

Due to the increasing population density worldwide and the advancing globalization, water is continuously withdrawn from the natural cycle for consumption. Ferro Aqua T from Ferro Duo treats the water to a high quality and purity. Ferro Aqua T is mainly used for waste water purification in the simultaneous precipitation process in order to introduce purified and clarified water into the water cycle. Thanks to the iron (II) sulphate heptahydrate it contains, Ferro Aqua T has excellent chemical properties and is used globally. Phosphate and hydrogen sulphide are eliminated with Ferro Aqua T, which reduces chromate and decolourises the water.

Ferro Aqua T binds hydrogen sulphide

Depending on the raw materials used, the production of biogas can lead to increased to very high levels of hydrogen sulphide in the biogas. In addition to the toxic properties of hydrogen sulphide, especially for the methane-forming organisms, a high hydrogen sulphide content also poses an extremely high risk of engine damage to the coupled combined heat and power plants. Ferro Aqua T already reliably binds harmful hydrogen sulphide in the fermenter, thus allowing not only reliable operation of the CHP units but also feeding into the public grid.

For the cement industry, Ferro Aqua T has been delivering excellent results as a chromate reducer for years. The Ferro Mono iron(II) sulfate contained in Ferro Aqua T contains one mole of water of crystallization, whereas Ferro Mono 30 contains seven moles of water of crystallization.

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