同時反硝化去除硫化物（DSR）的過程和硫化物去除連續厭氧顆粒污泥和水力停留時間（HRT）的影響，使用DSR路由過程在厭氧顆粒污泥產甲烷活性批次檢測硫化物和硝酸鹽對這裡考察。最高水平的硫化物400毫克的S / L與500毫克N / L，可以刪除後8小時和21小時後完全消耗硝酸鹽。然而，硝酸鹽除了甲烷文化產生的沼氣生產的滯後時間，增加硝酸鹽濃度的增加。硝酸鹽和硫化物此外，嚴重抑制了甲烷。 12小時的停留時間，有更好的表現相比，水力停留時間為1天硫化物去除。所有的硫化物，在12小時後下降到9.75毫克S / L，並保持穩定的S / L，低於10毫克同時反硝化去除硫化物（DSR）的過程和硫化物去除連續厭氧顆粒污泥和水力停留時間（HRT）的影響，使用DSR路由過程在厭氧顆粒污泥產甲烷活性批次檢測硫化物和硝酸鹽對這裡考察。最高水平的硫化物400毫克的S / L與500毫克N / L，可以刪除後8小時和21小時後完全消耗硝酸鹽。然而，硝酸鹽除了甲烷文化產生的沼氣生產的滯後時間，增加硝酸鹽濃度的增加。硝酸鹽和硫化物此外，嚴重抑制了甲烷。 12小時的停留時間，有更好的表現相比，水力停留時間為1天硫化物去除。所有的硫化物，在12小時後下降到9.75毫克S / L，並保持穩定的S / L，低於10毫克

Effect of sulfide and nitrate on both Denitrifying Sulfide Removal (DSR) process and methanogenic activity in batch assays using granule sludge and effect of Hydraulic Retention Time (HRT) on sulfide removal in anaerobic DSR process with continuous UASB using granule sludge investigated here. The highest level of sulfide 400 mg S/L with 500 mg N/L can be removed after 8 h and nitrate was completely consumed after 21 h. However, addition of nitrate to methanogenic culture resulting in a lag time of methane production which increased as increasing concentration of nitrate. Both nitrate and sulfide addition seriously inhibits methanogenesis. HRT of 12 hours has better performance compared to HRT of 1 day on sulfide removal. All sulfides was decreased to 9.75 mg S/L after 12 hours and kept stable below 10 mg S/L.

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