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Environment

ISOCoil believes that the anodised aluminium product has very strong environmental credentials.

As the world’s largest continuous anodiser, Coil is committed to minimise the impact of its anodising process on the environment through a sustainable business model, ongoing investment and a policy of continuous improvement. Coil believes that the economies of scale offered by its two plants in Belgium and Germany permit the Company to remain at the forefront in its industry.

Coil’s plant in Bernburg, Germany has been certified ISO 14001 (Environmental Management) and ISO 50001 (Energy Management).

ISO 14001 (PDF)

ISO 50001 (PDF)

Coil’s plant in Landen, Belgium has been certified ISO 14001 (Environmental Management) and ISO 50001 (Energy Management).

ISO 14001 (PDF)

ISO 50001 (PDF)

Aluminium

Whilst aluminium is sometimes criticised for the energy which is required to transform bauxite (from which it is derived, itself one of the most abundantly available natural resources available in the world) into aluminium ingot, the advantages which aluminium has brought to the modern world in terms of its competitive cost, low weight, high strength to weight and its ability to be repeatedly recycled through simple re-melting continue to be recognised throughout an increasingly wide range of industries.

Aluminium is the standard for the aircraft industry, now employed on a growing basis in the automotive industry, the power transmission industry, the construction industry, the food and beverage industry, the tubing industry, the shipbuilding industry and many more. Aluminium will continue to displace traditional materials such as steel for the foreseeable future. Currently, about 60% of aluminium is recycled and up to 95% is recycled in the construction industry.

Anodising

Anodising is a process which further enhances the environmental qualities of aluminium.

The anodic film created in anodising is 100% pure aluminium. Anodised aluminium can be recycled through simple re-melting without any intervening process. This has to be compared to the harmful emissions of burning off or chemically stripping off painted coatings from aluminium before re-melting. The recycling of composite panels is even more complex because of the extraction and destruction of the core material.

Anodising provides a very hard, non-electro static, smooth surface which does not soil easily. This can significantly reduce maintenance costs (and associated energy costs) over the lifetime of a building.
Finally, anodising renders aluminium more durable – it extends further the service life of aluminium.

The Anodising Process

Coil’s continuous anodising process requires significant capital investment and provides the economies of scale to ensure that the environmental issues of the process are fully addressed.

Unlike paints and coatings, anodising does not emit ozone depleting substances such as VOCs (Volatile Organic Compounds).

The chemical waste generated takes the form of acid or alkaline solutions or filter cakes. These products are recycled for re-use in the anodising process or introduced as primary materials in the production of inorganic chemicals.

The by-product of the anodising process is alumina tri-hydrate. This is used in the production of flocculants for the purification of waste water.

Coil typically recycles 60% of water used for rinsing. Non recycled liquid waste is inert and sent into the public sewer system.

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