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The process and action mechanism of the copper wastewater adsorption accomplished by ferric salt and cerous salt modified water granulated slag were studied in this paper. Results showed that under the conditions of room temperature of 20°C, dosage of 6g/L, pH 7, reaction time of 60min to treat 100 mL 20mg/L copper wastewater, the removal rate reached 93.64%.The adsorption of modified water granulated...
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...
In this study, nitrate reduction using laboratory synthesized nanoscale zero-valent iron (NZVI) was discussed. On the other side, denitrification of nitrate with Fe0 nanoparticles combined with zeolite was also investigated. The effects of iron-to-nitrate ratio and the affiliation of zeolite were studied systemically. The results show that nitrate with the concentration of 80 mg/L was mostly removed...
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