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.

In order to utilize information in the best way, please take note of the SUBSPORTplus methodology on case stories!

*For a more precise search, use quotation marks ("example").

search

You can select one or more filters.

Results 1 to 8 of a total of 8 for search term

Search results

Alternativen zu Hydrazin in der Anwendung als Sauerstoff-Fänger

Hydrazin wurde 2011 in die ECHA Liste der für eine Zulassung (REACH) in Frage kommenden besonders besorgniserregenden Stoffe als Karzinogen Kat. 1B aufgenommen. Alternativen zu Hydrazin als Sauerstoff-Fänger in der Aufbereitung von industriell genutztem Wasser für Betriebskessel werden anhand einer kurzen Gegenüberstellung der Vorteile/Einschränkungen vorgestellt.

Alternatives to hydrazine used as oxygen scavengers

Hydrazine has been added in 2011 to ECHA’s Candidate List of substances of very high concern for Authorisation under REACH as carcinogen cat. 1B Alternatives to hydrazine as oxygen scavenger in the treatment of industrial water for boilers are presented with a brief comparison of the main technical advantages/limitations.

Neutralization of alkaline waste water with high ammonia content.

Waste water with a high content of ammonia was previously neutralised with strong acids such as hydrochloric acid and sulfuric acid. These strong acids were replaced by carbon dioxide (CO2).

Substitution of concentrated sodium hydroxide with sodium hydrogen carbonate for pH adjustment in pharmaceutical production.

Neutralisation of a product during a pharmaceutical production was earlier done by applying sodium hydroxide. Sodium hydroxide was substituted with the less hazardous alternative sodium hydrogen carbonate.

Thymolphthalein as alternative to phenolphthalein in concrete carbonation testing

Phenolphthalein is used in carbonation tests of concrete. It is, however, a recognised carcinogen. Thymolphthalein has been used as an alternative with good results.

Thymolphthalein als Alternative zu Phenolphthalein in Tests zur Karbonatisierung von Beton

Phenolphthalein wird im Karbonatisierungstest von Beton verwendet. Es ist jedoch ein anerkanntermaßen karzinogen wirkender Stoff. Thymolphthalein ist mit guten Ergebnissen als Alternative verwendet worden.

Skin care products without preservatives, using “active packaging”

Sterisol is a Swedish company manufacturing skin care products. By manufacturing the products in a very clean environment and then using a special package that protects the product against contamination of microorganisms, the need to add preservatives to the products has been eliminated.

Substitution of sulphuric acid used for re-pulping process in a paper company

An old paper company innovated its process for pH adjustment in the recycling process. After numerous laboratory and on-site trails, carbon dioxide was used efficiently instead of sulphuric acid.

Also of interest

Evaluation, selection and criteria for creating the case stories

Do you have useful information on substitution, which is missing in our portal? Please contact us.

Your Contribution

Navigation and service