Case story database

Search for Successfully Implemented Alternatives

You can use the free text search function to find information in the case story database. Most suitable are: substance name and other substance identifier (EC- and CAS-number). You can refine your search after first entry for sector-, function- and process-categories. The case studies are meant to serve as source of inspiration and ideas for substitution. The alternatives are constantly being developed further. We therefore recommend that you to check in each individual case whether an alternative is suitable for your applications and purposes. If you are aware of any other relevant information that is not mentioned in the current case story, please contact SUBSPORTplus.

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Substitution von Toluol als Lösungsmittel bei der Herstellung von Spülbecken und anderen Edelstahlprodukten.

Ein Betrieb, der Spülbecken und andere Edelstahlprodukte herstellt, hat ein Lösungsmittel verwendet, das Toluol, Aceton, und Methanol enthält. Das Lösungsmittel wurde verwendet, um die Metalloberflächen per Hand zu reinigen. Auf Nachdruck der Arbeitnehmer wurde das Lösungsmittel mit einer sichereren Alternative substituiert, die Propan-2-ol und Aceton enthält.

Substitution of toluene used as a solvent during the manufacture of sinks and other stainless-steel articles.

A company that manufactures sinks and other articles made of stainless steel used to apply a solvent that contained toluene, acetone and methanol. The solvent was used manually to clean the metal surfaces. Due to workers pressure the solvent was substituted with a safer alternative containing propan-2-ol and acetone.

Laser cleaning of waffle irons in production line

Food manufacturing and processing company cleaned waffle irons residues in a baking line automatically by a solid-state laser. Before substitution parts are manually cleaned with sodium carbonate and brushes.

Sealing compound used in industrial production

In a factory a product with classified ingredient substances was used earlier as a sealing compound and filler. These substances had a high potential risk in connection to allergenic reactions and one of them was also known as carcinogenic. The product is now substituted to a product without any classified ingredients.

Substitution von Methanol und Borax in der Goldschmuckproduktion.

Einer der größten Hersteller von Goldschmuck in Dänemark hat erfolgreich den methanol- und boraxhaltigen Zusatz Flux V für Schweißbrennstoffe substituiert. Als Alternative wird eine Aceton/Wasserstoff-Mischung eingesetzt. Abgesehen vom Vorteil der Vermeidung von Borax und Methanol hat die geringere Temperatur der Schweißflamme das Präzisionsschweißen vereinfacht.

Substitution von Flusssäure bei der Herstellung von Goldschmuck

Einer der größten Goldschmuck-Hersteller Dänemarks hat Flusssäure erfolgreich durch Schwefelsäure substituiert. Die Säurebehandlung ist notwendig, um die Abdruckmasse aus der Modellierform zu entfernen. Im Gegensatz zu Flusssäure ist Schwefelsäure nicht immer in der Lage, alle Gipsrückstände zu entfernen, so dass in manchen Fällen eine manuelle Behandlung erfolgen muss. Mit Flusssäure zu arbeiten ist höchst gefährlich im Vergleich zu Schwefelsäure.

Substituting hydrofluoric acid in gold jewellery production.

One of Denmark’s largest manufactures of gold jewellery has successfully substituted hydrofluoric acid with sulphuric acid. The acid treatment is necessary for removing the plaster of the casting mould. Compared to hydrofluoric acid, sulphuric acid is not always capable of dissolving all plaster residues, so in some cases manual treatment has to be applied. Hydrofluoric acid is highly hazardous to work with compared to sulphuric acid.

Substituting Methanol and Borax in gold jewellery production.

One of Denmark’s largest manufactures of gold jewellery has successfully substituted the welding fuel agent Flux V, containing methanol and borax. It has been substituted with an acetone/hydrogen mixture. Apart from the benefits of eliminating boron and handling of methanol in the procedure, the lower flame temperature has made the precision welding procedure more manageable.

Substituting Borax for gem stone protection in gold jewellery production.

One of Denmark’s largest manufactures of gold jewellery has successfully substituted the use of Borax for gem stone protection in most precision welding processes. For precision welding on items with gem stones already incorporated, cabinet laser welding is most often applied.

Substitution of a hydrocarbon-based anti-adherent used in industrial welding

A highly flammable anti-adherent compound containing toxic solvents used in welding was substituted by a water-based product. The eliminated product contained dichloromethane which posed serious health hazards since it is a suspected carcinogen and endocrine disruptor. The alternative product contains synthetic oils and water-based anti-corrosion additives.

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