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| 1 | Influence of carbon sources on nutrient removal in A2/O-MBRs: Availability assessment of internal carbon source显示文摘Both internal carbon source and some external carbon sources were used to improve the nutrient removal in Anaerobic-Anoxic-Oxic-Membrane Bioreactor(A^2/O-MBRs), and their technical and cost analysis was investigated. The experimental results showed that the nutrient removals were improved by all the carbon source additions. The total nitrogen and phosphorus removal efficiency were higher in the experiments with external carbon source additions than that with internal carbon source addition. It was found that pathways of nitrogen and phosphorus transform were different dependent on different carbon source additions by the mass balance analysis. With external carbon source addition, the simultaneous nitrification and denitrification occurred in aerobic zone, and the P-uptake in aerobic phase was evident. Therefore, with addition of C-MHP(internal carbon source produced from sludge pretreatment by microwave-H_2O_2 process), the denitrification and phosphorus-uptake in anoxic zone was notable. Cost analysis showed that the unit nitrogen removal costs were 57.13 CNY/kgN of C-acetate addition and 54.48 CNY/kgN of C-MHP addition, respectively. The results indicated that the C-MHP has a good technical and economic feasibility to substitute external carbon sources partially for nutrient removal. | Rongle Xu Yaobo Fan Yuansong Wei Yawei Wang Nan Luo Min Yang Xing Yuan Rong Yu | 2016 | Journal of Environmental Sciences2016，28，10： | 6 |
| 2 | Modifying glass fiber surface with grafting acrylamide by UV-grafting copolymerization for preparation of glass fiber reinforced PVDF composite membrane显示文摘Experimental design and response surface methodology(RSM) were used to optimize the modification of conditions for glass surface grafting with acrylamide(AM) monomer for preparation of a glass fiber reinforced poly(vinylidene fluoride)(PVDF) composite membrane(GFRP-CM). The factors considered for experimental design were the UV(ultraviolet)-irradiation time, the concentrations of the initiator and solvent, and the kinds and concentrations of the silane coupling agent. The optimum operating conditions determined were UV-irradiation time of 25 min, an initiator concentration of 0–0.25 wt.%,solvent of N-Dimethylacetamide(DMAC), and silane coupling agent KH570 with a concentration of 7 wt.%. The obtained optimal parameters were located in the valid region and the experimental confirmation tests conducted showed good accordance between predicted and experimental values. Under these optimal conditions, the water absorption of the grafted modified glass fiber was improved from 13.6% to 23%; the tensile strength was enhanced and the peeling strength of the glass fiber reinforced PVDF composite membrane was improved by 23.7% and 32.6% with an AM concentration at 1 wt.% and 2 wt.%. The surface composition and microstructure of AM grafted glass fiber were studied via several techniques including Field Emission Scanning Electron Microscopy(FESEM), Fourier transform infrared spectroscopy-attenuated total reflectance(FTIR-ATR) and energy dispersive X-ray spectroscopy(EDX). The analysis of the EDX and FTIR-ATR results confirmed that the AM was grafted to the glass fiber successfully by detecting and proving the existence of nitrogen atoms in the GFRP-CM. | Nan Luo Hui Zhong Min Yang Xing Yuan Yaobo Fan | 2016 | Journal of Environmental Sciences2016，28，1： | 3 |
| 3 | Preparation and characterization of PVDF-glass fiber composite membrane reinforced by interfacial UV-grafting copolymerization显示文摘A novel inorganic–organic composite membrane,namely poly(vinylidene fluoride) PVDF-glass fiber(PGF) composite membrane,was prepared and reinforced by interfacial ultraviolet(UV)-grafting copolymerization to improve the interfacial bonding strength between the membrane layer and the glass fiber.The interfacial polymerization between inorganic–organic interfaces is a chemical cross-linking reaction that depends on the functionalized glass fiber with silane coupling(KH570) as the initiator and the polymer solution with acrylamide monomer(AM) as the grafting block.The Fourier transform infrared spectrometer-attenuated total reflectance(FTIR-ATR) spectra and the energy dispersive X-ray(EDX) pictures of the interface between the glass fiber and polymer matrix confirmed that the AM was grafted to the surface of the glass fiber fabric and that the grafting polymer was successfully embedded in the membrane matrix.The formation mechanisms,permeation,and anti-fouling performance of the PGF composite membrane were measured with different amounts of AM in the doping solutions.The results showed that the grafting composite membrane improved the interfacial bonding strength and permeability,and the peeling strength was improved by 32.6% for PGF composite membranes with an AM concentration at 2 wt.%. | Nan Luo Rongle Xu Min Yang Xing Yuan Hui Zhong Yaobo Fan | 2015 | Journal of Environmental Sciences2015，27，12： | 3 |
| 4 | Minimization of excess sludge production for biological wastewater treatment显示文摘 | Yuansong Wei Renze T. Van Houten Arjan R. Borger Dick H. Eikelboom Yaobo Fan | 2003 | Water Research2003，，18： | 2 |
| 5 | Treatment and reuse of toilet wastewater by an airlift external circulation membrane bioreactor显示文摘 | Yaobo Fan Gang Li | 2006 | Process Biochemistry2006，41，： | 1 |
| 6 | Treatment and reuse of toilet wastewater by an airliftexternal circulation membrane bioreactor显示文摘 | Fan Yaobo Li Gang Wu Linlin | | 0，，41： | 1 |
| 7 | Minimization of excess sludge production for biological wastewater treatment显示文摘 | Yuansong Wei Renze T. Van Houten Arjan R. Borger Dick H. Eikelboom Yaobo Fan | 2003 | Water Research2003，，18： | 1 |
| 8 | Treatment and reuse of toilet wastewater by an airlift external circulation membrane bioreactor显示文摘 | Fan Yaobo Li Gang Wu Linlin | 2006 | Proc Biochem2006，41，： | 1 |
| 9 | Treatment and reuse of toilet wastewater by an airlift external circulation membrane bioreactor显示文摘 | FAN Yaobo LI Gang WU Linlin | 2006 | Process Biolchemistry2006，41，： | 1 |
| 10 | Treatment and reuse of toilet wastewater by an airlift external circulation membrane bioreactor 显示文摘 | Yaobo Fan Gang Li | 2006 | Process Biochemistry2006，41，： | 1 |
| 11 | Treatment and reuse of toilet wastewater by an airlift external circula- tion membrane bioreactor显示文摘 | Fan Yaobo Li Gang Wu Linlin | 2006 | Process Biochemistry2006，41，6： | 1 |
| 12 | Consecutive topological transitions of helical Fermi arcs at saddle points in CoSi显示文摘The CoSi family hosts unconventional topological nodes with nonzero Chern numbers.The nontrivial topology is manifested by conspicuous surface Fermi arcs connecting surface projections of the nodes.Here,using angle-resolved photoemission spectroscopy,we have systematically investigated the(001)surface states of pristine and Ni-doped Co Si.The surface states form saddle-like band structures at/near the time-reversal invariant point near the Fermi level.The Fermi arcs undergo consecutive Lifshitz transitions at the saddle points X,leading to changes of the Fermi arc configuration.As the density of states has a van Hove singularity at the saddle points,exotic many-body physical phenomena may emerge accompanied by the topological transitions of surface Fermi arcs. | Zhicheng Rao Shangjie Tian Shunye Gao Quanxin Hu Wenhui Fan Jierui Huang Cenyao Tang Yaobo Huang Hechang Lei Yujie Sun Tian Qian Hong Ding | 2022 | Science China(Physics,Mechanics & Astronomy)2022，65，5： | 0 |
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