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!

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Different ways to phase out halocarbons like dichloromethane in various applications.

This document describes how a large portion of the halocarbons used and manufactured in Sweden were phased out during the late 1980´s and early 1990´s. Several specific examples are mentioned concerning what chemicals were substituted and what the alternatives were. The chemicals discussed are mainly: dichloromethane, trichloroethylene, 1,1,2-Dichloro-1,2,2-trifluoroethane and 1,1,1-trichloroethane.

Galvanic processes with acid zinc instead of cyanide zinc.

An electroplating company in Denmark made changes in the production process for galvanising. They substituted zinc cyanide by zinc chloride.

Chemical treatment of rubber, wood, leather or metal which protects, preserves and renews the surface of the material. An alternative to carbon black.

This document describes a process for protecting, preserving and renewing surfaces, especially rubber and other natural and synthetic polymers including wood, leather, painted surfaces and metal. The material to be treated is soaked with an aqueous solution of substituted or unsubstituted dimethylpolysiloxane. This is done in several stages with other solutions such as diethylene glycol and/or glycerine. This treatment reduces the impact of deleterious effects such as ozone, ultraviolet radiation and environmental causes to the appearance of especially rubber parts used for example in automobiles.

Corrosion protection within industrial surface treatment

For industrial surface treatment the products are usually chosen on a basis of their technical properties. These products, however, can have serious consequences for the working environment and the external environment. The brochure that provides the basis for this case story contains a ranking system used for industrial surface treatment which takes the working environment and the external environment into account.

Alternative to thorium oxide in welding rods

Thorium dioxide is used in electric welding as additive to tungsten refractive rods. One of thorium isotopes is hazardous, because is radioactive, therefore alternatives were sought.

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.

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.

SUBSPORTplus Specific Substances Alternatives Assessment – Lead and its inorganic compounds

Lead and its inorganic compounds are one of the specific substances or substance groups for which a detailed alternatives assessment has been performed by SUBSPORTplus according to a common methodology. In this document the hazard profile and identified uses of lead and its inorganic compounds can be found as well as the identification, assessment and comparison of alternatives for three of its uses.

SUBSPORTplus Specific Substances Alternatives Assessment – Perchloroethylene

Perchloroethylene is one of the specific substances or substance groups for which a detailed alternatives assessment has been performed by SUBSPORTplus according to a common methodology. In this document the hazard profile and identified uses of perchloroethylene can be found as well as the identification, assessment and comparison of alternatives for its use for dry cleaning.

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