Bottom ash. Coloured scanning electron micrograph (SEM) of coal bottom ash. Bottom ash is part of the non-combustible slag waste residue produced in the furnace of coal-fired power stations. Coal ash particles may contain large quantities of toxic metals,including mercury,arsenic,beryllium,cadmium,chromium,nickel,and selenium. It can also be recycled and used as an additive for concrete,cinder blocks,and asphalt. Magnification: x1654,when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Scharf, David |
Taille de l’image : | 4861 px × 3654 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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