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Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plantbed

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 573-584 doi: 10.1007/s11783-011-0363-x

Abstract: A modularized and air adjustable constructed submerged plant bed (CSPB) which can be used to restoreThis plant bed helps hydrophyte grow under poor conditions such as frequently changed water depth, impaired

Keywords： modularized and air adjustable constructed submerged plant bed     water purification     eco-restoration techniques    

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Decontamination efficiency and root structure change in the plant-intercropping model in vertical-flowconstructed wetlands

Yonghua CHEN, Xiaofu WU, Mingli CHEN, Kelin LI, Jing PENG, Peng ZHAN

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 906-912 doi: 10.1007/s11783-013-0579-z

Abstract: Subtropical climatic conditions can contribute to the death of the aerial parts of constructed wetlandThis presents a barrier to the widespread application of constructed wetland and is an issue that urgentlyThree contrasting experiments, the plant-intercropping model (A), the warm-seasonal plant model (B),change in root structure of plants in the plant-intercropping model within the vertical-flow constructedby constructed wetland during winter.

Keywords： vertical-flow constructed wetlands     plant intercropping model     warm seasonal plant model    

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Effect of wetland plant fermentation broth on nitrogen removal and bioenergy generation in constructed

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1592-x

Abstract:

● Fermentation broth facilitates N removal and energy yields in tertiary CW-MFC.

Keywords： Constructed wetland     Microbial fuel cell     Nitrogen removal     Bioenergy generation     Carbon source    

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The Application of Box Floor as Submerged Camel to Hydraulic Btructures Being Constructed

Zhou Junliang

Strategic Study of CAE 2000, Volume 2, Issue 11,   Pages 78-83

Abstract:

In this paper, the application of box floor as submerged camel to hydraulics structures being constructeddiverting of the rivers are not permitted and the widths of chambers of them are equal to the river bedThe chamber is moved in submerged state to the site.These hydraulic structures are cheaper than those that are constructed in dry sites with the diversion

Keywords： constructing hydraulic structures     the box floor as submerged camel     derwater construction    

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Removal, distribution and plant uptake of perfluorooctane sulfonate (PFOS) in a simulated constructed

Weichuan Qiao, Rong Li, Tianhao Tang, Achuo Anitta Zuh

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1312-3

Abstract: Abstract • PFOS was removed by soil adsorption and plant uptake in the VFCW. • Uptake of PFOS by E.A vertical-flow constructed wetland (VFCW) was used to treat simulated domestic sewage containing perfluorooctaneThe removal rate of PFOS in the domestic sewage was 93%–98%, through soil adsorption and plant uptakeThe removal of PFOS in the VFCW was dependent on soil adsorption and plant uptake; moreover, the percentage

Keywords： Vertical-flow constructed wetland     Perfluorooctane sulfonate     Wetland plants     Soil microbial community     Effect    

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Cadmium tolerance and accumulation in fifteen wetland plant species from cadmium-polluted water in constructed

Jianguo LIU,Wen ZHANG,Peng QU,Mingxin WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 262-269 doi: 10.1007/s11783-014-0746-x

Abstract: (0.5 mg·L ) and heavily (1.0 mg·L ) Cd-polluted wastewaters were investigated in constructed wetlandsThe variations among the plant species were 29.4-fold to 48.7-fold in plant biomasses, 5.4-fold to 21.9The plant species were also largely diversified in terms of Cd tolerance.Plant Cd quantity accumulations are correlated positively and significantly ( <0.05) with plant biomassesand correlated positively but insignificantly ( >0.05) with plant Cd concentrations.

Keywords： cadmium (Cd)     wastewater treatment     wetland plant     selection     index    

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Translocation and biotoxicity of metal (oxide) nanoparticles in the wetland-plant system

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1432-4

Abstract:

• Aquatic plants are more likely to absorb TiO2 NPs that are beneficial to them.

Keywords： Constructed wetlands     Aquatic plants     Nanoparticles     Physiological activity     Biomass    

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Characteristics of force acting on adjustable axial flow pump blade

WEI Peiru, CHEN Hongxun, LU Wei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 508-513 doi: 10.1007/s11708-008-0054-x

Abstract: The internal three-dimensional turbulent flow of adjustable axial-flow pump arrangement was simulated

Keywords： three-dimensional     adjustable axial-flow     calculated     FEM     centrifugal    

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Dynamic performance of submerged floating tunnel with different mooring styles subjected to anchor cable

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0932-7

Abstract: Submerged floating tunnels (SFTs) are novel structures for transportation across long- and deep-strait

Keywords： dynamic behaviors     submerged floating tunnel     cable failure     mooring style     progressive failure    

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Performance of bioferric-submerged membrane bioreactor for dyeing wastewater treatment

ZOU Haiyan, XI Danli

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 374-380 doi: 10.1007/s11783-007-0064-7

Abstract: In view of this, Fe(OH) was added to a submerged membrane bioreactor (SMBR) to enhance the removal efficiency

Keywords： hydroxide     surplus     aeration     SMBR     Bioferric process    

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The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2127-2143 doi: 10.1007/s11705-023-2363-3

Abstract: Foam trays with porous submerged orifices endow bubbles uniformly distributed, which are considered attractive

Keywords： bubble formation     porous submerged orifices     process intensification     foam tray    

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Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1480-1493 doi: 10.1007/s11709-021-0776-y

Abstract: In waterfront geotechnical engineering, seismic and drainage conditions must be considered in the design of retaining structures. This paper proposes a general analytical method to evaluate the seismic active earth pressure on a retaining wall with backfill subjected to partial steady seepage flow under seismic conditions. The method comprises the following steps: i) determination of the total head, ii) upper bound solution of seismic active earth thrust, and iii) deduction for the earth pressure distribution. The determination of total head h(x,z) relies on the Fourier series expansions, and the expressions of the seismic active earth thrust and pressure are derived by using the upper bound theorem. Parametric studies reveal that insufficient drainage and earthquakes are crucial factors that cause unfavorable earth pressure. The numerical results confirm the validity of the total head distribution. Comparisons indicate that the proposed method is consistent with other relevant existing methods in terms of predicting seismic active earth pressure. The method can be applied to the seismic design of waterfront retaining walls.

Keywords： seismic active earth pressure     partial seepage flow     pore pressure     anisotropy     upper bound theorem    

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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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Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1384-0

Abstract:

• Submerged arc plasma was introduced in terms of wastewater treatment

Keywords： Thermal plasma     Submerged arc plasma     Wastewater     Ozone     Phenol     Highly energetic electron    

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Current Situation and Prospect of Control on Air Pollutants from Coal-Fired Power in China

Wang Zhixuan and Liu Zhiqiang

Strategic Study of CAE 2015, Volume 17, Issue 9,   Pages 56-62

Abstract:

Since 2011, China has made great achievements on the control of air pollutions from coal-fired plantsThe total amount and intensity of air pollution emission including dust, sulfur dioxide and nitrogentechnologies and cooperative control technologies of multiple pollutants are the main research directions of air

Keywords： coal-fired power plant     air pollutants     emission reduction     prospect    

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Title Author Date Type Operation

Restoration of hyper-eutrophic water with a modularized and air adjustable constructed submerged plantbed

Jinzhong LI, Xueju LI, Shujuan SUN, Xuegong LIU, Suiliang HUANG

Journal Article

Decontamination efficiency and root structure change in the plant-intercropping model in vertical-flowconstructed wetlands

Yonghua CHEN, Xiaofu WU, Mingli CHEN, Kelin LI, Jing PENG, Peng ZHAN

Journal Article

Effect of wetland plant fermentation broth on nitrogen removal and bioenergy generation in constructed

Journal Article

The Application of Box Floor as Submerged Camel to Hydraulic Btructures Being Constructed

Zhou Junliang

Journal Article

Removal, distribution and plant uptake of perfluorooctane sulfonate (PFOS) in a simulated constructed

Weichuan Qiao, Rong Li, Tianhao Tang, Achuo Anitta Zuh

Journal Article

Cadmium tolerance and accumulation in fifteen wetland plant species from cadmium-polluted water in constructed

Jianguo LIU,Wen ZHANG,Peng QU,Mingxin WANG

Journal Article

Translocation and biotoxicity of metal (oxide) nanoparticles in the wetland-plant system

Journal Article

Characteristics of force acting on adjustable axial flow pump blade

WEI Peiru, CHEN Hongxun, LU Wei

Journal Article

Dynamic performance of submerged floating tunnel with different mooring styles subjected to anchor cable

Journal Article

Performance of bioferric-submerged membrane bioreactor for dyeing wastewater treatment

ZOU Haiyan, XI Danli

Journal Article

The role of single deformed bubble on porous foam tray with submerged orifices on the mass transfer enhancement

Journal Article

Upper bound solution to seismic active earth pressure of submerged backfill subjected to partial drainage

Journal Article

Removal of arsenic by pilot-scale vertical flow constructed wetland

Journal Article

Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Journal Article

Current Situation and Prospect of Control on Air Pollutants from Coal-Fired Power in China

Wang Zhixuan and Liu Zhiqiang

Journal Article