Water Activated carbon 22 KnowHow 23 KnowHow Gertjan van de Meerendonk (l), Robert Wortman (r), Norit Activated Carbon knowhow@norit.com Photo: Van Oord NV The unpleasant smell of rotting eggs, a typical indicator of sewage gas, is highly recognizable. This odor is caused by sulphur components, mainly Hydrogen Sulphides (H 2 S), but also by organic Sulphur components like mercaptans. As soon as a person smells sewage gas he or she tends to r

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