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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Out phasing of dimethyl formamide (DMF) and cobalt dichloride in piping production.

By introduction of new production equipment, the pipe producing company Logstor, have been able to phase out dimethylformamide (DMF) as a cleaning solvent. Instead most cleaning of mixing heads and sprayer heads is done mechanically, and in rare cases a Dowanol (1-methoxypropan-2-ol) bath is used. Cobalt dichloride containing silica gel desiccant have been substituted with a cobalt free desiccant, which is performing even better than the old one.

Thread- locks used in production

In afactory product with classified substances were previously used for thread lock. These substances were a potential risk in connection to breathing and skin contact. The products are now substituted to products without any classified ingredients.

Substitution von Borsäure durch Milchsäure als Biozid in Kühlschmierstoffen

Borsäure ist als reproduktionstoxischer Stoff der Kategorie EU 1B sowie als endokrin wirksamer Stoff eingestuft. Sie kann mit guten Ergebnissen durch Milchsäure substituiert werden, um das Wachstum von Bakterien und Pilzen in wassermischbaren Kühlschmierstoffen zu bekämpfen.

Substitution of boric acid by lactic acid as biocide in cooling lubricants

Boric acid is classified toxic for reproduction EU 1B and endocrine disruptor. It can be substituted by lactic acid with good results in keeping bacteria and fungi under control in water mixable cooling lubricants.

Ultra sound system as alternative to sodium hypochlorite for bacteria control in the cooling towers of a university

A university decided to switch to ultrasounds for controlling bacteria in its water cooling towers. The system proved effective and helped to cut costs with the previously used chemical biocide (sodium hypochlorite) but also with substances needed to counterbalance the corrosiveness of the biocide and its alkalinity.

Controlled hydrodynamic cavitation as alternative to chemical biocides and antiscaling agents

Controlled hydrodynamic cavitation may replace the use of hazardous chemicals for scale, bacteria and corrosion control in refrigerating and cooling systems. The method combines two side streams loops, one for cavitation the other for filtering and it has been applied in different sectors, including in a military facility where an allergy to biocides was reported for one of the maintenance employees.

Inorganic bismuth vanadate yellow pigments that are lead chromate-free

Lead and chromate are known for their hazards and efforts are made to eliminate them from various applications where they have been used on a large scale because of their availability and their high technical performances. Inorganic yellow pigments containing lead chromates could be replaced by bismuth vanadate, in some applications.

Cerium oxides as alternative to chromate anticorrosion coatings

Chromium VI is used in manufacturing of anti-corrosion coatings for various applications. Using cerium oxides as a possible substitute of chromates in applications for military aircraft gave promising results.

Substitution of naphtha and hexamethylene diisocyanate in polyurethane-based paints

This experience involved the substitution of solvents in paints used in a company specialised in the manufacture of car wash tunnel systems. Several workers were exposed to naphtha light aromatic fraction (carcinogenic and mutagen) and to hexamethylene diisocyanate (sensitiser and endocrine disruptor). Trade union intervention managed to achieve the substitution of these paints by Tribo system electrostatic powder coatings that do not require solvents.

Solvent free technology for metal and polymer coatings

Solvents used in coatings may contain substances that are hazardous to health and the environment. An alternative solvent free technology uses plasma and powder materials to obtain high quality coatings with variable thickness, on various surfaces. The technology is also applicable for 3D objects.

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