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Other applications include:

Detergent builder

Paper additive

Filler

Soil improvement

Cat litter

Ion exchanger

Sewage treatment

zeolite

Hundreds of thousands of tons of zeolites are used every year, as water softeners in detergents, as catalysts, as adsorbents or desiccants, or even as soil improvers, to control soil pH, moisture, and manure malodour.

Zeolites are abundant in nature and were first described by the Swedish amateur mineralogist Baron von Cronstedt in 1756.

Generally, zeolites possess a number of advantages over other builders during the production of detergents.

For example, zeolites display a very high product stability, regardless of the particular process employed (spray drying, granulation, extrusion etc.). They prove inert when exposed to elevated temperatures, mechanical influences or alkalinity. Partial decomposition or chemical conversion, as can occur with sodium triphosphate or specific layered silicates depending on the process design, have not been reported with zeolites. This makes zeolites particularly flexible materials for the production of detergents. Additionally, zeolites are used as an effective flow aid for powder handling. A further salient feature of zeolites is their high capacity for liquid components, e.g. surfactants.

He found these minerals in rocks of volcanic origin and observed that, when rapidly heated, stones containing this material released water and appeared to boil. Therefore he called the mineral “zeolite” which is derived from Greek and translates as “stone that boils”.

In the early 70s, a systematic quest for phosphate substitutes led to research into zeolites as builders for detergents.

Zeolite

Generally, zeolites possess a number of advantages over other builders during the production of detergents.

For example, zeolites display a very high product stability, regardless of the particular process employed (spray drying, granulation, extrusion etc.). They prove inert when exposed to elevated temperatures, mechanical influences or alkalinity. Partial decomposition or chemical conversion, as can occur with sodium triphosphate or specific layered silicates depending on the process design, have not been reported with zeolites. This makes zeolites particularly flexible materials for the production of detergents.
Additionally, zeolites are used as an effective flow aid for powder handling. A further salient feature of zeolites is their high capacity for liquid components, e.g. surfactants.

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