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Fehlermeldung

  • Deprecated function: TYPO3\PharStreamWrapper\Manager::initialize(): Implicitly marking parameter $resolver as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /mnt/web722/e2/18/5197918/htdocs/d7/includes/file.phar.inc).
  • Deprecated function: TYPO3\PharStreamWrapper\Manager::initialize(): Implicitly marking parameter $collection as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /mnt/web722/e2/18/5197918/htdocs/d7/includes/file.phar.inc).
  • Deprecated function: TYPO3\PharStreamWrapper\Manager::__construct(): Implicitly marking parameter $resolver as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /mnt/web722/e2/18/5197918/htdocs/d7/includes/file.phar.inc).
  • Deprecated function: TYPO3\PharStreamWrapper\Manager::__construct(): Implicitly marking parameter $collection as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /mnt/web722/e2/18/5197918/htdocs/d7/includes/file.phar.inc).

environmental impact assessment

Metal surface cleaning by chlorinated HCs, HCs and water-based systems

The new 2nd Statutory Ordinance pursuant to the German Emission Control Act (2. BimSchV) compelles to substitute the traditional metal degreasing in open equipment by water-, hydrocarbon- or chlorinated hydrocarbon-equipment with low emissions. The study examines how far this substitution is combined with a relief of environmental impact or a shift of the ecological burden from air to waterpath.

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