硫自养反硝化ASBR工艺脱氮除硫效果及功能菌研究
X703.1; 研究了硫自养反硝化-厌氧序批式反应器(SDAD-ASBR)同步脱氮除硫效果的影响因素和SDAD-ASBR中微生物群落结构特征.结果表明,当n(S)/n(N)(记作S/N)为1,进水S2-和NO3--N质量浓度分别为300 mg/L和131.25 mg/L时系统内无亚硝酸盐积累现象,脱氮除硫效率高,硫化物和硝酸盐的去除率分别为99.97%和84.34%;但S/N降低,出水产物中亚硝酸盐升高.水力停留时间(HRT)对硝酸盐的去除效果影响显著,但对硫化物的去除效果影响不大,当HRT由12 h缩短至2.4 h时,硫化物的去除率均在99%以上,而硝酸盐的去除率则由93.14%下降至77....
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| Published in | 工业水处理 Vol. 44; no. 10; pp. 151 - 157 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
陕西科技大学环境科学与工程学院,陕西西安 710021
01.10.2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-829X |
| DOI | 10.19965/j.cnki.iwt.2023-0794 |
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| Abstract | X703.1; 研究了硫自养反硝化-厌氧序批式反应器(SDAD-ASBR)同步脱氮除硫效果的影响因素和SDAD-ASBR中微生物群落结构特征.结果表明,当n(S)/n(N)(记作S/N)为1,进水S2-和NO3--N质量浓度分别为300 mg/L和131.25 mg/L时系统内无亚硝酸盐积累现象,脱氮除硫效率高,硫化物和硝酸盐的去除率分别为99.97%和84.34%;但S/N降低,出水产物中亚硝酸盐升高.水力停留时间(HRT)对硝酸盐的去除效果影响显著,但对硫化物的去除效果影响不大,当HRT由12 h缩短至2.4 h时,硫化物的去除率均在99%以上,而硝酸盐的去除率则由93.14%下降至77.04%.系统中脱氮除硫的主要功能菌属为微小杆菌属、梭菌属、芽孢杆菌属、硫杆菌属和鞘单胞菌属. |
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| AbstractList | X703.1; 研究了硫自养反硝化-厌氧序批式反应器(SDAD-ASBR)同步脱氮除硫效果的影响因素和SDAD-ASBR中微生物群落结构特征.结果表明,当n(S)/n(N)(记作S/N)为1,进水S2-和NO3--N质量浓度分别为300 mg/L和131.25 mg/L时系统内无亚硝酸盐积累现象,脱氮除硫效率高,硫化物和硝酸盐的去除率分别为99.97%和84.34%;但S/N降低,出水产物中亚硝酸盐升高.水力停留时间(HRT)对硝酸盐的去除效果影响显著,但对硫化物的去除效果影响不大,当HRT由12 h缩短至2.4 h时,硫化物的去除率均在99%以上,而硝酸盐的去除率则由93.14%下降至77.04%.系统中脱氮除硫的主要功能菌属为微小杆菌属、梭菌属、芽孢杆菌属、硫杆菌属和鞘单胞菌属. |
| Abstract_FL | In this paper,the influence factors of nitrogen and sulphur removal effect and main functional bacteria were investigated in a sulfide autotrophic denitrification-anaerobic sequencing batch reactor(SDAD-ASBR).The re-sults showed that when n(S)/n(N)(recorded as S/N)was 1,and the influent S2-and NO3--N were 300 mg/L and 131.25 mg/L,respectively,there was no nitrite formation,and the sulfides and nitrates removal rates were 99.97%and 84.34%,respectively.However,as the S/N was reduced,the concentration of nitrite in the effluent increased.The hydraulic retention time(HRT)had a significant effect on the removal of nitrate,but had little effect on the sul-phide removal.When HRT was shortened from 12 h to 2.4 h,the removal rates of sulfide were all above 99%,while the removal rate of nitrate decreased from 93.14%to 77.04%.The main functional genera for nitrogen and sulphur removal in the system were Exiguobacterium,Clostridium,Bacillus,Thiobacillus and Sphingomonas. |
| Author | 严华 郭昌梓 韩义 王一旭 赵婉琴 张旭立 |
| AuthorAffiliation | 陕西科技大学环境科学与工程学院,陕西西安 710021 |
| AuthorAffiliation_xml | – name: 陕西科技大学环境科学与工程学院,陕西西安 710021 |
| Author_FL | GUO Changzi YAN Hua WANG Yixu ZHAO Wanqin ZHANG Xuli HAN Yi |
| Author_FL_xml | – sequence: 1 fullname: YAN Hua – sequence: 2 fullname: GUO Changzi – sequence: 3 fullname: ZHAO Wanqin – sequence: 4 fullname: ZHANG Xuli – sequence: 5 fullname: HAN Yi – sequence: 6 fullname: WANG Yixu |
| Author_xml | – sequence: 1 fullname: 严华 – sequence: 2 fullname: 郭昌梓 – sequence: 3 fullname: 赵婉琴 – sequence: 4 fullname: 张旭立 – sequence: 5 fullname: 韩义 – sequence: 6 fullname: 王一旭 |
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| DOI | 10.19965/j.cnki.iwt.2023-0794 |
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| DocumentTitle_FL | Simultaneous nitrogen and sulphur removal effect and functional bacteria of sulfur-driven autotrophic denitrification ASBR process |
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| Keywords | 厌氧序批式反应器 硫化物自养反硝化 anaerobic sequencing batch reactor nitrate and sulfide re-moval functional bacteria sulfur-driven autotrophic denitrification 脱氮除硫 功能菌 |
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| Snippet | X703.1; 研究了硫自养反硝化-厌氧序批式反应器(SDAD-ASBR)同步脱氮除硫效果的影响因素和SDAD-ASBR中微生物群落结构特征.结果表明,当n(S)/n(N)(记作S/N)为1,进水S2-... |
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| Title | 硫自养反硝化ASBR工艺脱氮除硫效果及功能菌研究 |
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