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Reaction mechanism of arsenic capture by a calcium-based sorbent during the combustion of arsenic-contaminatedbiomass: A pilot-scale experience

Mei Lei, Ziping Dong, Ying Jiang, Philip Longhurst, Xiaoming Wan, Guangdong Zhou

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 2, doi: 10.1007/s11783-019-1110-y

Abstract:

Pilot-scale combustion is required to treat arsenic-enriched biomass

Keywords： Arsenic contamination     Phytoremediation     Emission control     Calcium-based sorbent     Biomass disposal     Pilot-scalecombustion    

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Removal of arsenic by pilot-scale vertical flow constructed wetland

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 4, doi: 10.1007/s11783-021-1435-1

Abstract:

• VFCWs are effective for the treatment of arsenic-containing wastewater.

Keywords： Constructed wetland     Arsenic     Removal efficiency     Mass balance    

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processes on zero-valent iron modified biochar in copper(II) immobilization: from batch solution to pilot-scale

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 880-892 doi: 10.1007/s11705-022-2282-8

Abstract: The zero-valent iron modified biochar materials are widely employed for heavy metals immobilization. However, these materials would be inevitably aged by natural forces after entering into the environment, while there are seldom studies reported the aging effects of zero-valent iron modified biochar. In this work, the hydrogen peroxide and hydrochloric acid solution were applied to simulate aging conditions of zero-valent iron modified biochar. According to the results, the adsorption capacity of copper(II) contaminants on biochar, zero-valent iron modified biochar-1, and zero-valent iron modified biochar-2 after aging was decreased by 15.36%, 22.65% and 23.26%, respectively. The surface interactions were assigned with chemisorption occurred on multi-molecular layers, which were proved by the pseudo-second-order and Langmuir models. After aging, the decreasing of capacity could be mainly attributed to the inhibition of ion-exchange and zero-valent iron oxidation. Moreover, the plant growth and soil leaching experiments also proved the effects of aging treatment, the zero-valent iron modified biochar reduced the inhibition of copper(II) bioavailability and increased the mobility of copper(II) after aging. All these results bridged the gaps between bio-adsorbents customization and their environmental behaviors during practical agro-industrial application.

Keywords： zero-valent iron modified biochar     aging processes     copper removal     adsorption     pilot-scale experiments    

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Flow characteristic and wastewater treatment performance of a pilot-scale airlift oxidation ditch

Hongtao PANG, Hanchang SHI, Huiming SHI,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 470-476 doi: 10.1007/s11783-009-0143-z

Abstract: A pilot-scale airlift oxidation ditch using bubble diffuser and baffle as aerator was operated in a wastewater

Keywords： airlift oxidation ditch     flow characteristic     wastewater treatment    

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Advanced nitrogen removal using pilot-scale SBR with intelligent control system built on three layer

YANG Qing, WANG Shuying, YANG Anming, GUO Jianhua, BO Fengyang

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 33-38 doi: 10.1007/s11783-007-0006-4

Abstract: stabilization of the intelligent control system and nitrogen removal efficiency were investigated in a pilot-scale

Keywords： eutrophication     pilot-scale aerobic-anoxic     stabilization     oxidation reduction     nitrification    

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Feedforward control for nitrogen removal in a pilot-scale anaerobic-anoxic-oxic plant for municipal wastewater

Tonggang SHEN, Hanchang SHI, Huiming SHI, He JING, Huilei XIONG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 130-139 doi: 10.1007/s11783-010-0266-2

Abstract: nitrogen removal with lower energy consumption, the study of feedforward control was carried out on a pilot-scaleThe effluent qualities of the pilot plant under different control strategies were investigated.The nitrogen removal was successfully improved in the pilot plant.

Keywords： anaerobic-anoxic-oxic (AAO)     feedforward control     municipal wastewater     nitrogen removal    

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Bioreduction of nitrate in groundwater using a pilot-scale hydrogen-based membrane biofilm reactor

Youneng TANG, Michal ZIV-EL, Chen ZHOU, Jung Hun SHIN, Chang Hoon AHN, Bruce E. RITTMANN, Kerry MEYER, Daniel CANDELARIA, David FRIESE, Ryan OVERSTREET, Rick SCOTT,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 3,   Pages 280-285 doi: 10.1007/s11783-010-0235-9

Abstract: A long-term pilot-scale H-based membrane biofilm reactor (MBfR) was tested for removal of nitrate fromA key feature of this second-generation pilot MBfR is that it employed lower cost polyester hollow fibers

Keywords： denitrification     groundwater treatment     hydrogen     membrane biofilm reactor (MBfR)     polyester fiber    

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Pilot-scale studies of domestic wastewater treatment by typical constructed wetlands and their greenhouse

Chaoxiang LIU, Kaiqin XU, Ryuhei INAMORI, Yuhei INAMORI, Yoshitaka EBIE, Jie LIAO,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 477-482 doi: 10.1007/s11783-009-0155-8

Abstract: Three typical constructed wetlands (CWs) including Vertical Flow (VF), Free Water Surface (FWS), and Subsurface Flow (SF), and combined VF-SF-FWS constructed wetlands were investigated for the treatment of domestic wastewater with low C/N ratio. The performance of nutrient removal and the characteristics of greenhouse gas emissions, such as CH and NO, from these CWs were compared. The results indicated that the four types of CWs had high removal efficiencies for organic matter and suspended solid (SS). The combined wetland also showed a comparatively good performance for nitrogen and phosphorus removal, and the removal efficiencies for total nitrogen (TN) and total phosphorus (TP) were 81.3% and 84.5%, respectively. The combined CWs had a comparative lower global warming potential. The FWS CW had the highest tendency to emit CH and led to a higher global warming potential among the four types of CWs, which was about 586 mg CO/m·h.

Keywords： global warming potential     methane     nitrous oxide     low C/N ratio     nitrogen     phosphorus    

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Dewatering of Scenedesmus Obliquus Cultivation Substrate with Microfiltration: Potential and Challenges for Water Reuse and Effective Harvesting

Marco Malaguti,Lorenzo Craveri,Francesco Ricceri,Vincenzo Riggio,Mariachiara Zanetti,Alberto Tiraferri,

Engineering doi: 10.1016/j.eng.2023.07.010

Abstract: and pilot-scale conditions.m·s−1 and 1.4 bar (1 bar = 105 Pa), respectively, were then applied to drive pilot-scaletests to reuse the collected permeate as a new cultivation medium for S. obliquus growth in a pilot-scalerevealed key differences between the behavior of the membrane systems at the two scales (bench and pilotIt indicated the potential for beneficial reuse of the permeate stream as the pilot-scale experiments

Keywords： Scenedesmus obliquus     Microfiltration     Permeate reuse     Harvesting     Microalgae     Pilot-scale    

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A pilot scale test of ozonization treatment of ethene wastewater for reuse

ZHONG Li, REN Wei, GUO Wenjing

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 191-195 doi: 10.1007/s11705-008-0028-x

Abstract: A pilot scale test of advanced treatment of ethene wastewater by ozonization was carried out for industrial

Keywords： different     industrial     oxygen     generation     criterion    

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Optimizing the configuration of a clearwell by integrating pilot and full-scale tracer testing

LIU Wenjun, DU Zhipeng, JIN Junwei

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 270-275 doi: 10.1007/s11783-007-0045-x

Abstract: paper, the main factors impacting the plug flow pattern of a clearwell were investigated by integrating pilot-scale, full-scale clearwell tracer testing and computational fluid dynamics (CFD) simulation.It was found that pilot tracer testing, full-scale tracer testing and CFD simulation all demonstrated
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process and sulfide precipitation for removal of heavy metals from industrial wastewater: Bench and pilotscale studies focusing on in-depth thallium removal

Huosheng Li, Hongguo Zhang, Jianyou Long, Ping Zhang, Yongheng Chen

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1130-7

Abstract:

Bench and pilot studies demonstrated the effectiveness

Keywords： Thallium     Pilot     Fenton     Sulfide precipitation     Heavy metal     Industrial wastewater    

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Online control of biofilm and reducing carbon dosage in denitrifying biofilter: pilot and full-scale

Xiuhong Liu, Hongchen Wang, Qing Yang, Jianmin Li, Yuankai Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 1, doi: 10.1007/s11783-017-0895-9

Abstract: Online control of DNBF was studied in the pilot-scale and full-scale experiments.In this study, online control of DNBF was investigated in the pilot-scale DNBF (600 m ·d ), and thenapplied in the full-scale DNBF (10 × 104 m3·d ).carbon dosage with the effluent nitrate as the sole control parameter was designed and tested in the pilot-scaleUsing the integrated control strategy, in the pilot-scale DNBF, highly efficient nitrate removal with

Keywords： Reclaimed water treatment     Denitrifying biofilter     Carbon dosage     Backwash control    

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Anoxic phosphorus removal in a pilot scale anaerobic-anoxic oxidation ditch process

Hongxun HOU, Shuying WANG, Yongzhen PENG, Zhiguo YUAN, Fangfang YIN, Wang GAN

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 106-111 doi: 10.1007/s11783-009-0005-8

Abstract: biological nutrient removal, and enhance the denitrifying phosphorus removal in the A /O OD process, a pilot-scaleof COD, , , and TN were 88.2%, 92.6%, 87.8%, and 73.1%, respectively, when the steady state of the pilot-scale

Keywords： wastewater treatment     anaerobic-anoxic (A2/O)     oxidation ditch (OD)     biological phosphorus removal     denitrifying phosphorus removal    

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preozonation on the bioactivity and biodiversity of subsequent biofilters under low temperature conditions—A pilot

Jiaxuan YANG, Jun MA, Dan SONG, Xuedong ZHAI, Xiujuan KONG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0844-z

Abstract: The bioactivity was enhanced by preozonation under low temperature conditions. Higher level of BDOC/AOC and DO may enhance the nitrifying performance. High level of biodiversity and bioactivity may help maintain the stability of filters. Water quality and DO could selectively enhance different microbial communities. The combination of preozonation and subsequent biological granular activated carbon (O /BAC) filtration is well known as a promising method for the removal of many pollutants. Temperature and nutrients are the dominant factors in external conditions to influence the biological communities. To explore the influence of preozonation under low temperature, the factors such as dissolved oxygen (DO), dissolved organic carbon (DOC) and NH -N were analyzed from the sampling ports every week; triphenyl tetrazolium chloride-dehydrogenase activity (TTC-DHA) and the nitrifying activity were detected along the bed height of biofilter at four levels (10, 40, 70 and 110 cm) on the 90th, 110th, and 130th day; microbial community, based on 16S rRNA gene-denaturing gradient gel electrophoresis (DGGE), was monitored on the 130th day of the operation. The observed microbial property showed that preozonation had a positive influence on bioactivity, biomass and nitrifying activity. Community analysis showed no significant difference on the biodiversity of nitrifying bacteria between the parallel filters in the inlet end based on the method employed. This result showed that biofilters’ performance is not correlated well with microbial biodiversity. The elevated functionality in O /BAC filters can be a result of increased microbial activity, which was promoted by preozonation.

Keywords： Preozonation     BAC filtration     High ammonia level     Bacterial activity     Microbial community structure     Pilotscale study    

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Title Author Date Type Operation

Reaction mechanism of arsenic capture by a calcium-based sorbent during the combustion of arsenic-contaminatedbiomass: A pilot-scale experience

Mei Lei, Ziping Dong, Ying Jiang, Philip Longhurst, Xiaoming Wan, Guangdong Zhou

Journal Article

Removal of arsenic by pilot-scale vertical flow constructed wetland

Journal Article

processes on zero-valent iron modified biochar in copper(II) immobilization: from batch solution to pilot-scale

Journal Article

Flow characteristic and wastewater treatment performance of a pilot-scale airlift oxidation ditch

Hongtao PANG, Hanchang SHI, Huiming SHI,

Journal Article

Advanced nitrogen removal using pilot-scale SBR with intelligent control system built on three layer

YANG Qing, WANG Shuying, YANG Anming, GUO Jianhua, BO Fengyang

Journal Article

Feedforward control for nitrogen removal in a pilot-scale anaerobic-anoxic-oxic plant for municipal wastewater

Tonggang SHEN, Hanchang SHI, Huiming SHI, He JING, Huilei XIONG

Journal Article

Bioreduction of nitrate in groundwater using a pilot-scale hydrogen-based membrane biofilm reactor

Youneng TANG, Michal ZIV-EL, Chen ZHOU, Jung Hun SHIN, Chang Hoon AHN, Bruce E. RITTMANN, Kerry MEYER, Daniel CANDELARIA, David FRIESE, Ryan OVERSTREET, Rick SCOTT,

Journal Article

Pilot-scale studies of domestic wastewater treatment by typical constructed wetlands and their greenhouse

Chaoxiang LIU, Kaiqin XU, Ryuhei INAMORI, Yuhei INAMORI, Yoshitaka EBIE, Jie LIAO,

Journal Article

Dewatering of Scenedesmus Obliquus Cultivation Substrate with Microfiltration: Potential and Challenges for Water Reuse and Effective Harvesting

Marco Malaguti,Lorenzo Craveri,Francesco Ricceri,Vincenzo Riggio,Mariachiara Zanetti,Alberto Tiraferri,

Journal Article

A pilot scale test of ozonization treatment of ethene wastewater for reuse

ZHONG Li, REN Wei, GUO Wenjing

Journal Article

Optimizing the configuration of a clearwell by integrating pilot and full-scale tracer testing

LIU Wenjun, DU Zhipeng, JIN Junwei

Journal Article

process and sulfide precipitation for removal of heavy metals from industrial wastewater: Bench and pilotscale studies focusing on in-depth thallium removal

Huosheng Li, Hongguo Zhang, Jianyou Long, Ping Zhang, Yongheng Chen

Journal Article

Online control of biofilm and reducing carbon dosage in denitrifying biofilter: pilot and full-scale

Xiuhong Liu, Hongchen Wang, Qing Yang, Jianmin Li, Yuankai Zhang, Yongzhen Peng

Journal Article

Anoxic phosphorus removal in a pilot scale anaerobic-anoxic oxidation ditch process

Hongxun HOU, Shuying WANG, Yongzhen PENG, Zhiguo YUAN, Fangfang YIN, Wang GAN

Journal Article

preozonation on the bioactivity and biodiversity of subsequent biofilters under low temperature conditions—A pilot

Jiaxuan YANG, Jun MA, Dan SONG, Xuedong ZHAI, Xiujuan KONG

Journal Article