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CO2, CH4, H2S, NH3 and other gases are generated in sewer by anaerobic microbial degradation. The corrosion of sewer gases is not only facilities but also easily cause an explosion or poisoning resulting casualties, seriously affects people's daily life and health. In this paper, the city sewer wastewater by simulating the anaerobic degradation process was researched. And the effects of temperature...
This paper took the forests ecosystem of Naban River Watershed National Nature Reserve as research subject, the forests ecosystem was classified into natural forest, rubber plantation and farmland, and the forest water conservation value was evaluated by shadow engineering method. The result indicated that the forest water conservation value was 1.1 × 108 yuana 1, which is 4.29 times as much as the...
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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