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Enhanced nitrogen removal reliability and efficiency in integrated constructed wetland microcosms using

Yue WEN, Chao XU, Gang LIU, Yi CHEN, Qi ZHOU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 140-147 doi: 10.1007/s11783-011-0286-6

Abstract: The purpose of this study is to reduce the seasonal fluctuation and enhance the efficiency of nitrogen, but also enhanced the nitrogen removal efficiency by 50%.removal in VF1-HSF1 and VF2-HSF2, respectively.cold seasons was desorbed, and then nitrified in warm seasons, which resulted in a bioregeneration efficiencyenhancing nitrification, which was accompanied by high potential denitrification in HSF that reinforced the efficiency

Keywords： constructed wetland     zeolite     bioregeneration     nitrogen removal    

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Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 310-316 doi: 10.1007/s11705-007-0057-x

Abstract: In this paper, the removal of trace carbon dioxide from closed spaces through membrane process and biotransformationIt is found that higher CO removal efficiency can be obtained in biotransformation and membrane process

Keywords： removal efficiency     consumption     removal     CO removal     membrane microalgae    

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Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1522-y

Abstract:

• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.

Keywords： Methanogens     Biological Nitrogen Removal (BNR)     Simultaneous     Methammox     C:N ratio    

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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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Arsenic and chromate removal from water by iron chips-Effects of anions

ZHANG Ruihua, SUN Hongwen, YIN Jin

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 203-208 doi: 10.1007/s11783-008-0036-6

Abstract: The purpose of this study is to estimate the removal efficiency of As and Cr (VI) by one kind of industrial

Keywords： phosphate     removal efficiency     industrial     typical inorganic    

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Removal of elemental mercury by KI-impregnated clay

Boxiong SHEN,Jianhong CHEN,Ji CAI

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 236-243 doi: 10.1007/s11783-014-0765-7

Abstract: This study described the use of clay impregnated by KI in gas phase elemental mercury (Hg ) removal inThe effects of KI loading, temperature, O , SO and H O on Hg removal were investigated using a fixedThe Hg removal efficiency of KI-clay with 3% KI loading could maintain at a high level (approximatelyO was found to be an important factor in improving the Hg removal.NO and SO could slightly improve Hg removal, while H O inhibited it greatly.

Keywords： clay     elemental mercury     removal efficiency     potassium iodide     mechanism    

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Coupling evaluation for material removal and thermal control on precision milling machine tools

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 12-12 doi: 10.1007/s11465-021-0668-9

Abstract: However, previous research merely regarded the material removal (MR) energy as useful energy consumptionHence, the cutting energy efficiency model considering the coupling relationship is established basedThe forced cooling mode of TC results in a 7% reduction in cutting energy efficiency.This paper reveals the coupling effect of MR and TC on energy efficiency and machining accuracy.

Keywords： machine tools     cutting energy efficiency     thermal stability     machining accuracy     coupling evaluation    

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Microplastics in municipal wastewater treatment plants: a case study of Denizli/Turkey

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1699-8

Abstract:

● High amounts of microplastics are released to receiving media from WWTPs.

Keywords： Microplastics     Wastewater treatment plant     Removal efficiency     Daily discharge    

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Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 6,   Pages 886-895 doi: 10.1007/s11783-012-0449-0

Abstract: The TSS separation efficiency was evaluated based on a mass balance.Normally, the efficiency was more than 50% when the pressure was higher than 2 m.

Keywords： first flush     hydrocyclone     non-point pollution     removal efficiency     stormwater runoff    

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Characteristics and removal mechanism of the precursors of N-chloro-2,2-dichloroacetamide in a drinking

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1338-6

Abstract:

• N-Cl-DCAM, an emerging N-DBP in drinking water was investigated.

Keywords： N-chloro-2     2-dichloroacetamide     Liquid chromatography with tandem mass spectrometry     Precursors     Removalefficiency     Ozonation integrated with biological activated carbon    

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Occurrence and removal of selected polycyclic musks in two sewage treatment plants in Xi’an, China

Yongxiang REN, Kai WEI, Hua LIU, Guoqiang SUI, Junping WANG, Yanjun SUN, Xiaohui ZHENG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 2,   Pages 166-172 doi: 10.1007/s11783-012-0471-2

Abstract: The occurrence and removal of two representative polycyclic musks, galaxolide (HHCB) and tonalide (AHTNThe removal efficiency of the two musks varied in the ranges of 43.1%–70.4% for HHCB and 54.2%–84.4%Advanced processes of activated sludge did not show a significant superiority on selected musk removalThe selected musk removal mainly resulted from the adsorption function of activated sludge.efficiency for the two musks.

Keywords： polycyclic musk     sewage     tonalide (AHTN)     galaxolide (HHCB)     removal efficiency     adsorption    

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Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by using

Ziyuan LIU, Hang GAO, Dongming GUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 294-302 doi: 10.1007/s11465-019-0576-4

Abstract: A high-efficiency polishing approach using two-phase air–water fluid (TAWF) is proposed to avoid surfaceThe material removal of TAWF polishing is mainly attributed to the synergistic effect of deliquescenceTAWF polishing using IC-1000 and TEC-168S increase the machining efficiency by 150%, and a smooth surface

Keywords： potassium dihydrogen phosphate (KDP) crystal     controllable deliquescence     two-phase air–water fluid     high-efficiencypolishing     material removal    

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Removal of nitric oxide from simulated flue gas using aqueous persulfate with activation of ferrous ethylenediaminetetraacetate

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 460-469 doi: 10.1007/s11705-022-2224-5

Abstract: oxidation technology is a workable and effective choice for wet flue gas denitrification due to its high efficiencystudy, a rotating packed bed (RPB) was employed as a gas–liquid absorption device to elevate the NO removalefficiency (ηNO) by aqueous persulfate ((NH4)2S2Oefficiency of NO in RPB.The presence of O2 also had a negative effect on the NO removal process and through electron

Keywords： rotating packed bed     Fe2+-EDTA     sulfate radical     hydroxyl radical     NO removal efficiency    

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Fate and removal of typical pharmaceutical and personal care products in a wastewater treatment plant

Jie GAO,Jun HUANG,Weiwei CHEN,Bin WANG,Yujue WANG,Shubo DENG,Gang YU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 491-501 doi: 10.1007/s11783-016-0837-y

Abstract: The fate and removal of pharmaceuticals and personal care products (PPCPs) in wastewater treatment plantsBased on the calculation of mass balance, the relative mass distribution and removal efficiency of eachNegative removal efficiencies were obtained for sulpiride, metoprolol, nalidixic acid, and carbamazepineIn A /O treatment tanks, the anaerobic and anoxic tanks showed good performance for PPCPs removal, andresults reveal that both the dissolved and the adsorbed phases should be considered when assessing the removal

Keywords： PPCPs     A2/O     mass balance     removal efficiency     sludge    

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Microalgae

Sanath KONDAVEETI,Kwang Soon CHOI,Ramesh KAKARLA,Booki MIN

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 5,   Pages 784-791 doi: 10.1007/s11783-013-0590-4

Abstract: Renewable algae biomass, was used as substrate for generating electricity in two chamber microbial fuel cells (MFCs). From polarization test, maximum power density with pretreated algal biomass was 102 mW·m (951 mW·m ) at current generation of 276 mA·m . The individual electrode potential as a function of current generation suggested that anodic oxidation process of algae substrate had limitation for high current generation in MFC. Total chemical oxygen demand (TCOD) reduction of 74% was obtained when initial TCOD concentration was 534 mg·L for 150 h of operation. The main organic compounds of algae oriented biomass were lactate and acetate, which were mainly used for electricity generation. Other by-products such as propionate and butyrate were formed at a negligible amount. Electrochemical Impedance Spectroscopy (EIS) analysis pinpointed the charge transfer resistance (112 ?) of anode electrode, and the exchange current density of anode electrode was 1214 nA·cm .

Keywords： microbial fuel cell (MFC)     algae     bioelectricity     substrate     volatile fatty acid     biomass     COD removal efficiency    

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Title Author Date Type Operation

Enhanced nitrogen removal reliability and efficiency in integrated constructed wetland microcosms using

Yue WEN, Chao XU, Gang LIU, Yi CHEN, Qi ZHOU

Journal Article

Research progress in removal of trace carbon dioxide from closed spaces

ZHANG Yatao, FAN Lihai, ZHANG Lin, CHEN Huanlin

Journal Article

Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:1 to 14:1) for simultaneous C & N removal

Journal Article

Removal of arsenic by pilot-scale vertical flow constructed wetland

Journal Article

Arsenic and chromate removal from water by iron chips-Effects of anions

ZHANG Ruihua, SUN Hongwen, YIN Jin

Journal Article

Removal of elemental mercury by KI-impregnated clay

Boxiong SHEN,Jianhong CHEN,Ji CAI

Journal Article

Coupling evaluation for material removal and thermal control on precision milling machine tools

Journal Article

Microplastics in municipal wastewater treatment plants: a case study of Denizli/Turkey

Journal Article

Removal of non-point pollutants from bridge runoff by a hydrocyclone using natural water head

Jianghua YU, Yeonseok KIM, Youngchul KIM

Journal Article

Characteristics and removal mechanism of the precursors of N-chloro-2,2-dichloroacetamide in a drinking

Journal Article

Occurrence and removal of selected polycyclic musks in two sewage treatment plants in Xi’an, China

Yongxiang REN, Kai WEI, Hua LIU, Guoqiang SUI, Junping WANG, Yanjun SUN, Xiaohui ZHENG

Journal Article

Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by using

Ziyuan LIU, Hang GAO, Dongming GUO

Journal Article

Removal of nitric oxide from simulated flue gas using aqueous persulfate with activation of ferrous ethylenediaminetetraacetate

Journal Article

Fate and removal of typical pharmaceutical and personal care products in a wastewater treatment plant

Jie GAO,Jun HUANG,Weiwei CHEN,Bin WANG,Yujue WANG,Shubo DENG,Gang YU

Journal Article

Microalgae

Sanath KONDAVEETI,Kwang Soon CHOI,Ramesh KAKARLA,Booki MIN

Journal Article