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Effect of different carbon sources on performance of an A

Dongliang Du, Chuanyi Zhang, Kuixia Zhao, Guangrong Sun, Siqi Zou, Limei Yuan, Shilong He

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-017-0981-z

Abstract: carbon sources on purification performance and change of microbial community structure in a novel A N-MBRacetate, propionate or acetate and propionate mixed (1:1) as carbon sources, the effluent COD, NH -N,Process analysis found that the amount of anaerobic phosphorus release would be the key factor to determine

Keywords： Denitrifying phosphorus removal     Alternate anaerobic/anoxic-aerobic MBR (A<sub>2sub>N-MBR)     Carbon source    

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Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (low

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 490-499 doi: 10.1007/s11783-010-0248-4

Abstract: The effect of additional organic carbon sources on the production of nitrous oxide (N O) in anaerobic-aerobicoperating under an anaerobic-aerobic (low dissolved oxygen, 0.15–0.45 mg·L ) configuration.Off-gas analysis showed that N O was emitted into the atmosphere during the aerobic (low dissolved oxygen) period in the three SBRs, and the order of N O emission rate was SBR-2>SBR-1>SBR-3.in the anaerobic-aerobic (low dissolved oxygen) system.

Keywords： anaerobic-aerobic (low dissolved oxygen)     nitrous oxide (N<sub>2sub>O) emitting rate     municipal wastewater    

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Optimization of denitrifying phosphorus removal in a pre-denitrification anaerobic/anoxic/post-aeration

Weihua Zhao, Meixiang Wang, Jianwei Li, Yu Huang, Baikun Li, Cong Pan, Xiyao Li, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 5, doi: 10.1007/s11783-018-1084-1

Abstract:

A novel two sludge pre-A<sub>2sub>NSBR system was developed.

Advanced N and P removal was optimized to treat

Keywords： Denitrifying phosphorus removal     C/N ratio     Nitrate recycling     Carbon source type     Biological nutrient removal     Pre-A<sub>2sub>NSBR system    

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Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O decomposition

Huan Liu, Zhen Ma

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 586-593 doi: 10.1007/s11705-017-1659-6

Abstract: The Rh O supported on the CePO nanowires was much more active for the catalytic decomposition of Nfunction of time on stream was studied and the influence of the co-feed (CO , O , H O or O /H O) on the NThe samples were characterized by N adsorption-desorption, inductively coupled plasma optical emission

Keywords： Rh<sub>2sub>O<sub>3sub>     CePO<sub>4sub>     N<sub>2sub>O decomposition    

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Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scale anaerobic/anoxic/aerobic municipal sewage treatment plant

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1636-x

Abstract:

● Environmental parameters affected functional bacteria and network associations.

Keywords： Activated sludge     Bacterial community     Tank-dependence     Network association     Functional bacteria    

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Cu-doped Bi/Bi<sub>2sub>WO<sub>6sub> catalysts for efficient N<sub>2sub> fixation by photocatalysis

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1412-1422 doi: 10.1007/s11705-023-2312-1

Abstract: it in photocatalytic N<sub>2sub> immobilization.>2sub>WO<sub>6sub> composite.>2sub>WO<sub>6sub>.This research provides a method for improving the photocatalytic N<sub>2sub> fixation and may providesub>2sub>-to-NH<sub>3sub> conversion.

Keywords： Bi<sub>2sub>WO<sub>6sub>     Cu doping     work function     photocatalytic N<sub>2sub> fixation     charge    

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Comparative experiment on treating digested piggery wastewater with a biofilm MBR and conventional MBR

Xiaoyan Song,Rui Liu,Lujun Chen,Tomoki Kawagishi

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0919-5

Abstract: The removal performance of COD, TN, NH -N, TP as well as antibiotics were simultaneously studied whenThe averaged removal rates of COD, NH -N, TN and TP were 92.1%, 97.1%, 35.6% and 54.2%, respectively,the MBR.at HRT of 5–4 d, 3–2 d and 1 d, respectively, while the corresponding values were only 83.8%, 57.0%than the MBR.

Keywords： Alkalinity     Antibiotics     Biofilm     Digested piggery wastewater (DPW)     Membrane bioreactor    

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grown TiN/N-TiO composite for enhanced photocatalytic H evolution activity

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 721-731 doi: 10.1007/s11708-021-0766-8

Abstract: Titanium nitride (TiN) decorated N-doped titania (N-TiO<sub>2sub>) composite (TiN/N-TiO<sub>2sub>) is fabricated via an in situ nitridation using a hydrothermally synthesized TiO<sub>2sub>After the optimization of the reaction condition, the resultant TiN/N-TiO<sub>2sub> composite delivers>2sub> and TiN alone, respectively.TiO<sub>2sub> composite photocatalysts for high-efficiency water splitting.

Keywords： photocatalytic H<sub>2sub> evolution     TiN/N-TiO<sub>2sub> composite     plasmonic effect     in-situ    

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Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1519-6

Abstract:

• 4-chlorophenol biodegradation could be enhanced in Fe<sub>2sub>O<sub>3sub> coupled anaerobic system.

Keywords： Dechlorination     Fe<sub>2sub>O<sub>3sub> nanoparticles     Electron transfer     Microbial community    

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CH<sub>4sub> and N<sub>2sub>O emissions from double-rice cropping system as affected by Chinese milk

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 59-68 doi: 10.15302/J-FASE-2017137

Abstract: Chinese milk vetch (CMV) and rice straw (RS) were incorporated into soil to substitute for synthetic NHowever, little is known about the integrated impacts of CMV and RS incorporation on CH and N O emissionsAll treatments received uniform N inputs, 6%–37% of which was replaced by CMV and RS crop residue.·hm from CMV and RS amendment treatments, which were 1.5–2.9 times higher than that from synthetic N.N O emission, but enhanced CH emission.

Keywords： Chinese milk vetch     CH<sub>4sub>     double-rice cropping system     grain yield     N<sub>2sub>O     rice straw    

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Direct Evidence of Coal Swelling and Shrinkage with Injecting CO<sub>2sub> and N<sub>2sub> Using Article

Guanglei Zhang, P.G. Ranjith, Herbert E. Huppert

Engineering 2022, Volume 18, Issue 11,   Pages 88-95 doi: 10.1016/j.eng.2022.03.010

Abstract: >2sub>) disposal and are generally located near large point sources of CO<sub>2sub> emissions.The injection of CO<sub>2sub> into coal seams has great potential to sequester CO<sub>2sub> whilesynchrotron X-ray microtomography, we provide the first observational evidence that injecting nitrogen (N2>2sub> adsorption.Secondly, the presence of N<sub>2sub> makes it possible to maintain a sufficiently high level of coal

Keywords： CCS     CO<sub>2sub>     -ECBM     Carbon neutrality     X-ray imaging     Coal permeability    

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Optimization of phosphorus removal in uniFed SBR system for domestic wastewater treatment

Xuguang TANG, Shuying WANG, Yongzhen PENG

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 475-481 doi: 10.1007/s11783-010-0244-8

Abstract: reactor (SBR) laboratory-scale apparatus (40 L), treating actual domestic wastewater with low ratios of C/Nfilling, and continuous filling with the same quantity of wastewater could increase the release rate of anaerobicIn the mode of alternation of anoxic-aerobic (A/O) condition, phosphorous removal efficiency increasedstage 2 (A2).This mode was optimal for the treatment of actual domestic wastewater with low C/N and C/P ratios.

Keywords： UniFed sequencing batch reactor (SBR)     phosphorus removal     volumetric exchange ratio (VER)     alternation of anoxic-aerobic    

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Inexpensive synthesis of a high-performance Fe

Nadir Abbas, Godlisten N. Shao, Syed M. Imran, Muhammad S. Haider, Hee Taik Kim

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 405-416 doi: 10.1007/s11705-016-1579-x

Abstract: A sol-gel technique has been developed for the synthesis of a magnetite-silica-titania (Fe O -SiO -TiO ) tertiary nanocomposite with improved photocatalytic properties based on the use of inexpensive titania and silica precursors. The exceptional photocatalytic activity of the resulting materials was demonstrated by using them to photocatalyze the degradation of methylene blue solution. The best formulation achieved 98% methylene blue degradation. An interesting feature of the present work was the ability to magnetically separate and reuse the catalyst. The efficiency of the catalyst remained high during two reuses. The synthesized nanomaterials were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, ultra-violet-visible spectroscopy, diffuse reflectance spectroscopy, and thermogravimetric analysis. XRD analysis revealed the formation of multicrystalline systems of cubic magnetite and anatase titania crystals. SEM and TEM characterization revealed well-developed and homogeneously dispersed particles of size less than 15 nm. FTIR spectra confirmed the chemical interaction of titania and silica. It was further noticed that the optical properties of the prepared materials were dependent on the relative contents of their constituent metal oxides.

Keywords： sol-gel     photocatalysis     magnetic recovery     TiO<sub>2sub>     Fe<sub>3sub>O<sub>4sub>     SiO<sub>2sub>    

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Decoration of CdMoO micron polyhedron with Pt nanoparticle and their enhanced photocatalytic performance in N

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1949-1961 doi: 10.1007/s11705-023-2360-6

Abstract: This study aimed to prepare and apply a novel Pt/CdMoO<sub>4sub> composite photocatalyst for photocatalyticN<sub>2sub> fixation and tetracycline degradation.The results demonstrate the dispersion of Pt nanoparticles on the CdMoO<sub>4sub> surface.>4sub>, resulting in electron drift from CdMoO<sub>4sub> to Pt and the formation of a Schottky barrier>4sub>.

Keywords： photocatalytic N<sub>2sub> fixation     Pt/CdMoO<sub>4sub>     tetracycline degradation     Schottky barrier    

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N<sub>2sub>O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 776-783 doi: 10.1007/s11783-013-0586-0

Abstract: Nitrous oxide (N O) is a greenhouse gas that can be released during biological nitrogen removal fromN O emission from a sequencing batch reactor (SBR) for biological nitrogen and phosphorus removal fromthe aims were to examine which process, nitrification or denitrification, would contribute more to NO emission and to study the effects of heterotrophic activities on N O emission during nitrification.The ratio of N O emission to the removed ammonium nitrogen (N O-N/NH -N) was 2.5% in the SBR system with

Keywords： biological nutrient removal     denitrification     greenhouse gas     nitrification     nitrous oxide    

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Title Author Date Type Operation

Effect of different carbon sources on performance of an A

Dongliang Du, Chuanyi Zhang, Kuixia Zhao, Guangrong Sun, Siqi Zou, Limei Yuan, Shilong He

Journal Article

Effect of the addition of organic carbon sources on nitrous oxide emission in anaerobic-aerobic (low

Hongjing LI, Xiurong CHEN, Yinguang CHEN

Journal Article

Optimization of denitrifying phosphorus removal in a pre-denitrification anaerobic/anoxic/post-aeration

Weihua Zhao, Meixiang Wang, Jianwei Li, Yu Huang, Baikun Li, Cong Pan, Xiyao Li, Yongzhen Peng

Journal Article

Rh<sub>2sub>O<sub>3sub>/hexagonal CePO<sub>4sub> nanocatalysts for N<sub>2sub>O decomposition

Huan Liu, Zhen Ma

Journal Article

Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scale anaerobic/anoxic/aerobic municipal sewage treatment plant

Journal Article

Cu-doped Bi/Bi<sub>2sub>WO<sub>6sub> catalysts for efficient N<sub>2sub> fixation by photocatalysis

Journal Article

Comparative experiment on treating digested piggery wastewater with a biofilm MBR and conventional MBR

Xiaoyan Song,Rui Liu,Lujun Chen,Tomoki Kawagishi

Journal Article

grown TiN/N-TiO composite for enhanced photocatalytic H evolution activity

Journal Article

Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term

Journal Article

CH<sub>4sub> and N<sub>2sub>O emissions from double-rice cropping system as affected by Chinese milk

Heshui XU,Dengyun LI,Bo ZHU,Kai ZHANG,Yadong YANG,Chen WANG,Ying JIANG,Zhaohai ZENG

Journal Article

Direct Evidence of Coal Swelling and Shrinkage with Injecting CO<sub>2sub> and N<sub>2sub> Using

Guanglei Zhang, P.G. Ranjith, Herbert E. Huppert

Journal Article

Optimization of phosphorus removal in uniFed SBR system for domestic wastewater treatment

Xuguang TANG, Shuying WANG, Yongzhen PENG

Journal Article

Inexpensive synthesis of a high-performance Fe

Nadir Abbas, Godlisten N. Shao, Syed M. Imran, Muhammad S. Haider, Hee Taik Kim

Journal Article

Decoration of CdMoO micron polyhedron with Pt nanoparticle and their enhanced photocatalytic performance in N

Journal Article

N<sub>2sub>O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

Journal Article