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Sodium hypochlorite as oxidant was used for adsorbing phosphine, which was emitted from sodium hypophosphite industry. The effects of the available chlorine density and pH were mainly studied via experiments. The results can be concluded that when the speed of carrier gas flow is 20 mLmin-1, the temperature for reaction is about 20°C with pH at 9, and the density of sodium hypochlorite solution is...
The adsorption equilibrium of CO2 was measured on coconut shell activated carbon by using a static volumetric method. Adsorption isotherms over the temperature ranged 308 K ~ 353 K were measured. The results showed that the capacities of adsorption of carbon dioxide on activated carbon at different temperatures were as follows: 308 K > 323 K > 338 K > 353 K. The absorption capacity increases...
CuO-ZnO-La2O3/activated carbon (AC) adsorbent was prepared and used for efficient adsorption removal of PH3 at various temperatures in the presence of O2. The feasibility of water and thermal regeneration of a spent CuO-ZnO-La2O3/AC adsorbent was also investigated. The influences of regeneration temperature, water concentration and calcination time were done on the spent CuO-ZnO-La2O3/AC adsorbent...
The corrosion of materials in combustion chamber of yellow phosphor tall gas was investrgated. The results reveal that the corrosion behavior is different for different materials under actual work conditions.
Experiments were carried out to study the factors influencing modification of activated carbon (AC) and the effect of adsorption of Phosphine (PH3). Impregnated AC was used as a modified adsorbent and its adsorption capacity for PH3 was studied in laboratory. The factors influencing modified AC included the type of adsorbent, the type of impregnant and the concentration of impregnant. The adsorption...
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