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Porous carbon and graphite are used ia filtration of hydrogen fluoride streams, caustic solutions, and molten sodium cyanide ia diffusion of chlorine iato molten aluminum to produce aluminum chloride and ia aeration of waste sulfite Hquors from pulp and paper manufacture and sewage streams. [Pg.516]

See other pages where Sulfite pulping diffusion is mentioned: [Pg.110] [Pg.126] [Pg.50] [Pg.332] [Pg.68] [Pg.76] [Pg.474] [Pg.894] [Pg.216]