2.杜克大学普莱特工程学院,德罕姆 27708,美国
1.Department of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China
2.Pratt School of Engineering, Duke University, Durham 27708, USA
为证明短程硝化-厌氧氨氧化组合工艺处理氨淋洗液的可行性,采用生物滴滤池(BTF)进行氨淋洗液的短程硝化,然后利用厌氧氨氧化上流式厌氧污泥床(UASB)对淋洗液进行脱氮处理。结果表明:当氨浓度为0.03~0.31 mg·L
传质的限制作用实现短程硝化。保证短程硝化BTF中亚硝酸积累、氨吸收效果、氨生物转化效率的最佳回流比为1∶2。上述研究结果可为采用短程硝化-厌氧氨氧化组合工艺处理氨淋洗液提供参考。
In order to prove the feasibility of the combined process of shortcut nitrification and anaerobic ammonium oxidation (anammox) treating ammonia percolate, a biotrickling filter (BTF) was used to perform shortcut nitrification of ammonia percolate, and the subsequent anammox UASB was used to conduct denitrification treatment from the percolate. The results showed that more than 80% gaseous ammonia was transferred to liquid phase in the BTF when ammonia content was 0.03~0.31 mg·L
, and 28%~84% of the total nitrogen in the percolate could be removed through the following anammox process. At both low and high ammonia loading of 0.072~0.72 kg·(m
, BTF could achieve shortcut nitrification for the percolate, which proved that nitrite accumulation was irrelative with ammonia loading. Shortcut nitrification could be well controlled through the inhibition effect of free ammonia and free nitric acid on ammonia-oxidizing bacteria and nitrite-oxidizing bacteria, as well as oxygen mass transfer limitation effect. The optimal recycle ratio for nitrite accumulation, ammonia removal and biological ammonium conversion was 1∶2. The results provided a reference for a combined process of shortcut nitrification and anaerobic ammonium oxidation treating ammonia percolate.
.
Schematic diagram of the experiment
BTF performance in nitrogen species evolution and gaseous ammonia absorption
Effects of recycle ratio on BTF performance
Effects of gaseous ammonia loading on BTF performance
Microbial diversity along the BTF at phylum level
厌氧氨氧化UASB反应器与BTF连接前后的性能
Performance of anammox UASB before and after connection with BTF
[1] | SAKUMA T, JINSIRIWANIT S, HATTORI T, et al. Removal of ammonia from contaminated air in a biotrickling filter-denitrifying bioreactor combination system[J]. Water Research, 2008, 42(17): 4507-4513. doi: 10.1016/j.watres.2008.07.036 |
[2] | 黄做华, 黄伟庆, 陈继红, 等. 功能化纤维对氨气的吸附性能研究[J]. 河南科学, 2019, 37(10): 1579-1583. doi: 10.3969/j.issn.1004-3918.2019.10.006 |
[3] | 陈颖, 郭进, 刘伟, 等. 高浓度氨气去除机理及微生物增长动力学[J]. 化学工程, 2017, 45(12): 1-5. doi: 10.3969/j.issn.1005-9954.2017.12.001 |
[4] | YANG L, WANG X, FUNK T L. Strong influence of medium pH condition on gas-phase biofilter ammonia removal, nitrous oxide generation and microbial communities[J]. Bioresource Technology, 2014, 152: 74-79. doi: 10.1016/j.biortech.2013.10.116 |
[5] | RYBARCZYK P, SZULCZY?SKI B, GEBICKI J. Treatment of malodorous air in biotrickling filters: A review[J]. Biochemical Engineering Journal, 2019, 141(15): 146-162. |
[6] | LIU Y, NGO H H, GUO W, et al. The roles of free ammonia (FA) in biological wastewater treatment processes: A review[J]. Environment International, 2019, 123: 10-19. doi: 10.1016/j.envint.2018.11.039 |
[7] | DUAN H, WANG Q, ERLER D V, et al. Effects of free nitrous acid treatment conditions on the nitrite pathway performance in mainstream wastewater treatment[J]. Science of the Total Environment, 2018, 644(10): 360-370. |
[8] | RABONI M, TORRETTA V. A modified biotrickling filter for nitrification-denitrification in the treatment of an ammonia-contaminated air stream[J]. Environmental Science & Pollution Research, 2016, 23: 24256-24264. |
[9] | XU D, KANG D, YU T, et al. A secret of high-rate mass transfer in anammox granular sludge: “Lung-like breathing”[J]. Water Research, 2019, 154(1): 189-198. |
[10] | LI X, YUAN Y, WANG F, et al. Highly efficient of nitrogen removal from mature landfill leachate using a combined DN-PN-Anammox process with a dual recycling system[J]. Bioresource Technology, 2018, 265: 357-364. doi: 10.1016/j.biortech.2018.06.023 |
[11] | KOWALSKI M S, DEVLIN T R, DI BIASE A, et al. Effective nitrogen removal in a two-stage partial nitritation-anammox reactor treating municipal wastewater-piloting PN-MBBR/AMX-IFAS configuration[J]. Bioresource Technology, 2019, 289: 121742. doi: 10.1016/j.biortech.2019.121742 |
[12] | STROUS M, VAN GERVEN E, KUENEN J G, et al. Effects of aerobic and microaerobic conditions on anaerobic ammonium-oxidizing (Anammox) sludge[J]. Applied and Environmental Microbiology, 1997, 63(6): 2446-2448. doi: 10.1128/AEM.63.6.2446-2448.1997 |
[13] | 国家环境保护总局. 水和废水监测分析方法[M]. 4版. 北京: 中国环境科学出版社, 2002. |
[14] | ANTHONISEN A C, LOEHR R C, PRAKASAM T B S, et al. Inhibition of nitrification by ammonia and nitrous acid[J]. Water Pollution Control, 1976, 48(5): 835-852. |
[15] | MA B, YANG L, WANG Q, et al. Inactivation and adaptation of ammonia-oxidizing bacteria and nitrite-oxidizing bacteria when exposed to free nitrous acid[J]. Bioresource Technology, 2017, 245: 1266-1270. doi: 10.1016/j.biortech.2017.08.074 |
[16] | PRAKASH O, GREEN S J, JASROTIA P, et al. Rhodanobacter denitrificans sp. nov., isolated from nitrate-rich zones of a contaminated aquifer[J]. International Journal of Systematic and Evolutionary Microbiology, 2012, 62(10): 2457-2462. |
[17] | PENG X, GUO F, JU F, et al. Shifts in the microbial community, nitrifiers and denitrifiers in the biofilm in a full-scale rotating biological contactor[J]. Environmental Science & Technology, 2014, 48: 8044-8052. |
[18] | LU H, CHANDRAN K, STENSEL D. Microbial ecology of denitrification in biological wastewater treatment[J]. Water Research, 2014, 64: 237-254. doi: 10.1016/j.watres.2014.06.042 |
[19] | XING W, LI D, LI J, et al. Nitrate removal and microbial analysis by combined micro-electrolysis and autotrophic denitrification[J]. Bioresource Technology, 2016, 211: 240-247. doi: 10.1016/j.biortech.2016.03.044 |
[20] | WU H, GUO C, YIN Z, et al. Performance and bacterial diversity of biotrickling filters filled with conductive packing material for the treatment of toluene[J]. Bioresource Technology, 2018, 257: 201-209. doi: 10.1016/j.biortech.2018.02.108 |
[21] | RODRIGUE-SANCHEZ A, LEYVA-DIAZ J C, GONZALEZ-MARTINEZ A, et al. Linkage of microbial kinetics and bacterial community structure of MBR and hybrid MBBR-MBR systems to treat salinity-amended urban wastewater[J]. Biotechnology Progress, 2017, 33(6): 1483-1495. doi: 10.1002/btpr.2513 |
[22] | QIU Y L, KUANG X, SHI X, et al. Terrimicrobium sacchariphilum gen. nov., sp. nov., an anaerobic bacterium of the class Spartobacteria in the phylum Verrucomicrobia, isolated from a rice paddy field[J]. International Journal of Systematic and Evolutionary Microbiology, 2014, 64(5): 1718-1723. |
[23] | 王博. 高氨氮废水亚硝化控制策略及运行特性[D]. 西安: 西安建筑科技大学, 2016. |
[24] | BAQUERIZO G, MAESTRE J P, MACHADO V C, et al. Long-term ammonia removal in a coconut fiber-packed biofilter: Analysis of N fractionation and reactor performance under steady-state and transient conditions[J]. Water Research, 2009, 43: 2293-2301. doi: 10.1016/j.watres.2009.02.031 |
[25] | 林兴, 王凡, 袁砚, 等. 基于厌氧氨氧化的含氨废气原位处理[J]. 环境科学, 2017, 38(7): 2947-2951. |