Guang Fei Qu

Kunming University of Science and Technology

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Ping Ning

Kunming University of Science and Technology

Xiang Xiong

Wuhan Botanical Garden

Yu Huan Liu

Kunming University of Science and Technology

Wei Juan Mao

Zhejiang University

Yu Xie

Kunming University of Science and Technology

Chong Hui Liu

Kunming University of Science and Technology

Qin Yin

Sun Yat-sen University

Zhi Zhong Ren

Beijing Tsinghua Chang Gung Hospital

Xue Ying Li

Peking University

Jia Li

Yalong Hydro (China)

Cooperative Institutions

Kunming University of Science and Technology

Kunming University

Chinese Academy of Sciences

Soochow University

National Engineering Research Center for Wheat

Yunnan Metallurgical Group (China)

University of Chinese Academy of Sciences

Sun Yat-sen University

Beijing University of Technology

South China University of Technology

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Catalytic Oxidation of Phosphine by Ionic Liquid-Aqueous Biophasic

Advanced materials research (2013)

Yu Xie Guang Fei Qu Ping Ning Jiang Na Li Yu Huan Liu

hydrophobicity ionic liquid [bmiPF 6 mix with PdCl 2 is used as catalyst and reaction medium to form biophasic liquid reaction system to catalyst mixed gas of PH 3 . FT-IR is used for the conformational analysis of [bmi PF 6 monomer and Waters 431 chromatograph for the products of purified reaction. The relationship between temperature, oxygen concentration, the amount of substance of PdCl 2 and PH 3 purification efficiency have been investigated. The results show that purification efficiency remains above 99% in 300min. There is no obvious increase of purification efficiency with O 2 content increased. The optimum conditions of catalyst system are: [bmiPF 6 : PdCl 2 =1:0.056 (molar ratio), temperature of 70°C between 30~70°C. The reaction products contains PO 4 3- in the aqueous phase by instrumental analysis.

Molar ratio

Aqueous two-phase system

10.4028/www.scientific.net/amr.726-731.2124

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Research of Lithium Ferrous Phosphate by Microwave Technique

Materials science forum (2013)

Jun Yan Li Hai Zhao Guang Fei Qu Jun Gu Ping Ning

In order to developing high-value-added products and making full use of phosphate resources, Lithium Iron Phosphate were synthesized in the controlled atmosphere, using electronic grade phosphoric acid from Yunnan province, ferrous oxalate and Lithium carbonate by microwave processing. The variety of particles and distribution in different conditions of the mixing and grinding, the influence of appearance and property of the Lithium Iron Phosphate in different conditions of microwave power, microwave time and reaction temperature were discussed. Based on the experiment the optimized process conditions have been obtained. Some of the samples were characterized by XRD, SEM, electric capacity, chemical analysis, cycle performance and phase analysis. The experimental results show that the microwave synthesis method of Lithium Ferrous Phosphate is feasible.

Lithium iron phosphate

Lithium carbonate

Phosphoric acid

10.4028/www.scientific.net/msf.743-744.455

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Application of Magnetic Ionic Liquids

Key engineering materials (2017)

Wei He Guang Fei Qu Qian Zhao Xiao Fen Li

Magnetic Ionic liquids are a class of functional ionic liquids with magnetic. Because of outstanding thermal stability, excellent electrochemical properties, good solubility and recyclability, it has broad application prospects in catalysis, separation extraction, material synthesis and other fields. The main applications of magnetic ionic liquids in recent years are reviewed especially in the field of magnetic separation and catalytic. It shows a huge advantage that can highly efficiently catalyze myriads of reactions, and can be recovered and reused by a magnetic field. With the further research of magnetic ionic liquids, it is believed that the magnetic ionic liquid will be applied in more fields.

Thermal Stability

Magnetic separation

10.4028/www.scientific.net/kem.727.98

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Citations (6)

Advances of Application of Ionic Liquids in Catalytic Oxidation Reactions

Advanced materials research (2011)

Yu Kun Shi Guang Fei Qu Ping Ning Jun Zhang Hui Feng

Advances of application of ionic liquids as solvents and catalysts in the catalytic oxidation reaction are summarized in this paper. Ionic liquids, as solvent, can provide an environment which is different from the traditional organic solvents for the chemical reactions, and make the catalytic activity and stability better, conversion and selectivity higher; Ionic liquids, as catalyst, not only play the function of promoting reaction, but also play a solvent/catalyst dual functions more directly. Currently ionic liquids in catalytic oxidation reaction are mostly used as solvent, Especially used widely in organic synthesis. The designability of ionic liquids provides a broad space for ionic liquids as catalyst.

10.4028/www.scientific.net/amr.233-235.499

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Research on Nitrogen and Phosphorus Losses of Natural Composting Manure in the Northern Region of Erhai Lake

Advanced materials research (2010)

Kai Huang Guang Fei Qu Ping Ning Hua Ping Gao Li Jia

In recent years, the trend of eutrophication appeared in Erhai and the phenomena of small-scale algae outbreak has already happened. Erhai Lake pollution caused by many reasons.As an important factor of Erhai lake eutrophication, superabundant manure stacking at random in rural areas of Erhai Lake Basin and transference of the manure nitrogen and phosphorus into waterbody have attracted much attention of environmental researchers eutrophication of Erhai lake. The nitrogen and phosphorus contentes of livestock manure in the process of naturally composting were mensurated and the transference characteristics of the manure nitrogen and phosphorus were analysed. As a result, the regular pattern and loss type of livestock manure were advanced and advices about developing solid waste treatment facilities were brought forword.

10.4028/www.scientific.net/amr.160-162.585

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Dissolving Effect of [BMIM]CI and DMSO to Straw under High Temperature Conditions

Applied Mechanics and Materials (2013)

Qin Yin Guang Fei Qu Chong Hui Liu Yu Xie Yu Huan Liu

Solubility and regeneration of garlic straw in [BimiCl and [BimiCl /DMSO dissolution system were examined under 100°C-260°C. The results showed that activation can enhance straw solubility greatly wherein the optimum activation was 0.5%. DMSO can effectively improve the solubility of straw and speed up the dissolution rate ,and the solubility of garlic straw in [BimiCl and [BimiCl /DMSO dissolution system increased with temperature increased and time passed, but the straw began carbonation when temperature exceeded 160°C. The chemical structure of the orihinal and regenerated garlic was analyzed by FT-IRXRD and TGA-DTA ,The ionic liquid could reduce crystallinity effectively and partially dissolve garlic by destructing the iner-and intra-molecular hydrogen bond among lignocelluloses, IL can be reused many times. Keywords: Garlic straw; solubility; IL

10.4028/www.scientific.net/amm.316-317.991

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Biogas Production from Cow Manure in an Experimental 20 m<sup>3</sup> Reactor with a Jet Mixing System

Advanced materials research (2012)

Zhi Zhong Ren Ping Ning Jia Li Guang Fei Qu Xiang Xiong

Biogas was generated from cow manure in a experimental 20 m 3 reactor with a jet mixing system at a temperature of 35°C. The initial concentration of TS was 5%. Several parameters was investigated to elucidate the variation law of some critical indicators in the experimental biogas systems in batch fermentation process, such as biogas production rate, biogas composition, pH, COD and VFAs concentration. It was found that the biogas production was above 0.3 m 3 / kg TS under mesophilic temperature conditions, and the total biogas produced was 108 m 3 . The methane content in biogas was around 60% after 6 days of fermentation.COD decreased from 26,800mg/L to less than 10,000mg/L, of which 72% was converted to biogas. The concentration of VFAs decreased from 2.27g/L to around 0.8g/L, and value of the pH was stabilized between 7.36 and 7.53 after the 9th day. This anaerobic digestion system had many advantages over other conventional systems,such as stability operation, energy-saving and high substrate utilization rate, which means its application in biogas production is feasible.

Biogas

Mesophile

Biogas Production

Cow dung

10.4028/www.scientific.net/amr.518-523.3290

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Measuring the Total Economic Value of Restoring Ecosystem Services in Erhai Lake Basin: Results from a Contingent Valuation Survey

Advanced materials research (2012)

Wei Juan Mao Ping Ning Guang Fei Qu Shang Hua Luo

The contingent valuation method is one of the most significant approaches of non-market valuation techniques and has been used widely. The authors take it as a tool to analyze the economic benefits of restoring ecosystem service in an impaired river basin， Erhai lake basin. To obtain accurate benefit estimates using CVM technique requires detailed descriptions of the resources being valued. Results from 100 in-person interviews indicate that 84.7% of the households in Erhai lake basin would like to pay for restoring the ecosystem services of Erhai. The analysis of the payment card data shows that the average willingness to pay (WTP) is 80.325 RMB Yuan per household per year. The annual aggregate benefits of restoring ecosystem services of Erhai lake Basin is at least 6.426×107 RMB Yuan，calculated by the number of the households about 800,000 in the Erhai lake basin. This result is a conservative estimate for the economic value of restoring the ecosystem services of Erhai lake basin because of the positive externalities of restoring the ecosystem services on the outside of Erhai lake basin.

Contingent valuation

Renminbi

Total economic value

10.4028/www.scientific.net/amr.433-440.1208

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Citations (2)

Experimental Study of Diatomite Static Adsorption on TP Removal in Bovine Urine Wastewater

Materials science forum (2013)

Xue Ying Li Guang Fei Qu Yi Lu Lin

Pollutions of livestock and poultry breeding to the environment have evolved into a serious social problem, while phosphorus is a non-renewable resource. This study aims to not only remove the phosphorus in bovine urine wastewater effectively, but also make it recyclable and reduce the load of the follow-up sewage disposal. Choosing the diatomite as the adsorption material, its adsorption effects and the influence factors of diatomite were investigated by static adsorption method, and the adsorption isothermal curves studied. The results showed that the best adsorption condition was as follows, i.e.,taking 50mL bovine urine wastewater with TP 45.67mg/L, when the diatomite dosage was 3.0g, the pH was 7.0, the adsorption time was at 6.0h with the temperature of 30, TP concentrations could be reduced to 9.86mg/L and total phosphorus removal rate reached at 78.41%. Freundlich equation was better than Langmuir equation in describing the behaviour of adsorption phosphorus on diatomite. It is believed that diatomite is feasible to be used as adsorption agent for phosphorus removal from bovine urine wastewater and this promotes the potential of diatomite being used as sewage treatment materials.

Isothermal process

Langmuir adsorption model

10.4028/www.scientific.net/msf.743-744.531

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Analysis and Improvement of Livestock Wastes Collection System in Rural Areas — A Case Study of Erhai Lake Watershed

Advanced materials research (2012)

Guang Fei Qu Yu Huan Liu Ping Ning Xiang Xiong

Housing feeding is scattering in most part of China. The dislocation between the date of getting livestock wastes out and the fertilization date and also a shortage of supervision have been making a serious loss of livestock wastes and be a reason of agricultural non-point source pollution. The collection mode which befits the northern valley of Erhai Lake is proposed by considering the characteristics of rural non-point source pollution and the status of wastes collection and treatment facilities. The conclusion that the decentralized collection should be taken the place of centralized collection is also come to at last.

Economic shortage

Watershed area

10.4028/www.scientific.net/amr.518-523.3275

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