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Activated carbon. Activated carbon, also called activated charcoal, is a form of carbon commonly used to filter contaminants from water and air, among many other uses. It is processed (activated) to have small, low-volume pores that greatly increase the surface area [1] [2] available for adsorption or chemical reactions. [3]
The carbon also acts as a "buffer" against the effects of toxic organics in the wastewater. [4] In such a system, biological treatment and carbon adsorption are combined into a single, synergistic treatment step. [3] The result is a system which offers significant cost reduction compared to activated sludge and granular carbon treatment options ...
Flammable solids, organic, n.o.s. UN 1326: 4.1: Hafnium powder, wetted with not less than 25% water (a visible excess of water must be present) (a) mechanically produced, particle size less than 53 micrometres; (b) chemically produced, particle size less than 840 micrometres UN 1327: 4.1: Hay, Straw or Bhusa, wet, damp or contaminated with oil ...
The original mass of flammable material and the mass of the oxygen consumed (typically from the surrounding air) equals the mass of the flame products (ash, water, carbon dioxide, and other gases). Lavoisier used the experimental fact that some metals gained mass when they burned to support his ideas (because those chemical reactions capture ...
Carbon and carbon-rich materials have desirable properties but are nonvolatile, even at high temperatures. Consequently, pyrolysis is used to produce many kinds of carbon; these can be used for fuel, as reagents in steelmaking (coke), and as structural materials. Charcoal is a less smoky fuel than pyrolyzed wood. [26]
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002).The list can be found as an appendix to 40 CFR 355. [1]
An Oxyliquit, also called liquid air explosive or liquid oxygen explosive, is an explosive material which is a mixture of liquid oxygen (LOX) with a suitable fuel, such as carbon (as lampblack), or an organic chemical (e.g. a mixture of soot and naphthalene), wood meal, or aluminium powder or sponge.
It is an especially porous charcoal, making it useful in the manufacture of activated carbon. [1] Bamboo charcoal has a long history of use in China, with documents dating as early as 1486 during the Ming dynasty in Chuzhou. [2] There is also mention of it during the Qing dynasty, during the reigns of emperors Kangxi, Qianlong, and Guangxu. [3]
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