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Hydrogen nitrogen-oxygen flammability

The Zone 2A elevator pit and Room 109 are the only two areas In the HCF where waste will be accumulated. By the time that the waste is moved into Room 109, the hydrogen generation rate is sufficiently low as to preclude accumulation to flammable levels. In the elevator pit, a flow of nitrogen of approximately 0.07 cubic feet per minute (cfm) wll be provided to the bottom of the pit to sweep out both hydrogen and oxygen, which will reduce the likelihood of hydrogen combustion due to depleted levels of both combustion constituents. The normal ventilation flow that will exist in Zone 2A will also preclude any buildup in that area. [Pg.480]

Alcohols, ammonia, benzene, combustible materials, flammable compounds (hydrazine), hydrocarbons (acetylene, ethylene, etc.), hydrogen peroxide, iodine, metals, nitrogen, oxygen, sodium hydroxide... [Pg.423]

ASPHYXIA The result of a diminished supply of oxygen to the blood and tissues and interference with the respiratory function. Simple anoxia may be caused by inert gases , e.g. nitrogen, and some flammable gases, e.g. methane. Toxic anoxia may be caused by certain substances, e.g. carbon monoxide and hydrogen cyanide, which interfere with the body s ability to transfer or utilize oxygen in the tissues. Rapid unconsciousness and death can occur in either case. [Pg.10]

Mg ribbon and fine Mg shavings can be ignited at air temps of about 950°F (Ref 26). Oxides of Be, Cd, Hg, Mo and Zn can react explosively with Mg when heated (Ref 8). Mg reacts with incandescence when heated with the cyanides of Cd, Co, Cu,Pb, Ni or Zn or with Ca carbide (Ref 9). It is spontaneously flam-mable when exposed to moist chlorine (Ref 10), and on contact with chloroform, methyl chloride (or mixts of both), an expl occurs (Ref 4). Mg also reacts violently with chlorinated hydrocarbons, nitrogen tetroxide and A1 chloride (Ref 14). The reduction of heated cupric oxide by admixed Mg is accompanied by incandescence and an expin (Ref 7).Mg exposed to moist fluorine is spontaneously flammable (Ref 11). When a mixt of Mg and Ca carbonate is heated in a current of hydrogen, a violent ex pin occurs (Ref 12). When Mo trioxide is heated with molten Mg, a violent detonation occurs (Ref 1). Liq oxygen (LOX) gives a detonable mixt when... [Pg.23]

Thompson, J.D. and Enloe, J.D., Flammability limits of hydrogen-oxygen-nitrogen mixtures, Combust. Flame, 10, 393,1966. [Pg.567]


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