Proceedings of the 2015 International Conference on Materials Chemistry and Environmental Protection (meep-15)

Session: Chapter II: Environmental Chemistry and Biochemistry

22 articles
Proceedings Article

Composition and Quantity of Volatile Organic Compounds in Paper Mill

X. Tong, W.H. Shen
This paper analyzed volatile organic compounds (VOCs) in the ambient air of a secondary fiber paper mill. The compositions and quantities of VOCs were determined by the gas chromatography-mass spectrometry (GC-MS) method and the photo-ionisation detector (PID), respectively. The total concentrations...
Proceedings Article

GC/MS Method for Detecting 8 Kinds of Pesticide Residues in Organic Vegetables

D. Wang, J.Z. Zhao, D. Liang
Objective to established a gas chromatography mass spectrometry method for the determination of the 8 phosphorus and carbamates pesticide residues in organic vegetables. The vegetable sample was homogenate, after the extraction of acetonitrile. The detection of the GC/MS was carried out by solid phase...
Proceedings Article

Synthesis o f Ti2N Powders by Vacuum Slowly Vapor Deposition Using Urea as Nitrogen Source

J.F. Sun, S. Yan, H. Yu, K. Quan
Hydrochloric acid solution of TiCl3 was synthesized by reacting of Ti powders and hydrochloric acid in highpressure reactor at 145 . After vacuum drying TiCl3·6H2O crystalline were obtained. TiCl3·6H2O crystalline and urea, being as nitrogen source, were put into the vacuum slowly vapor deposition reactor....
Proceedings Article

A Study on Nutrient Properties and Heavy Metal Concentrations of Waste Activated Sludge Derived from Municipal and Small Town Domestic Sewage Treatment Plants

X.K. Sun, Y. Huang, X. Dong, C.B. Xu, J. Bai
In order to better understand land application of sewage sludge, the nutrient properties and heavy metal concentrations in sewage sludge were investigated from two different wastewater treatment plants in China. The results show that the OM contents were significantly different between Shenyang domestic...
Proceedings Article

Absorption of Sulfur Dioxide in Ionic Liquid Supported on Porous Silica Particles

X.L. Zha, J. Xu, W.F. Yu
1, 1, 3, 3-tetramethylguanidinium lactate (TMGL) has been studied for SO2 removal. However, before using industrial scale application, several problems need to be solved, for example, the influence on SO2 absorption at high temperature. This work investigates the SO2 sorption of the 1, 1, 3, 3-tetramethylguanidinium...
Proceedings Article

Effect of Filtration Type on BSA Fouling with PVB Hollow Fiber Membrane

M. Zhang, Y.R. Qiu
Hydrophilic poly (vinyl butyral) (PVB) hollow fiber membranes prepared via thermally induced phase separation(TIPS) were used for the filtration of bovine serum albumin (BSA)suspension, and the effect of filtration type on the BSA fouling of the membrane was studied. The results show that compared inside-out...
Proceedings Article

Rules of Ozone Generation Induced by Yellow Phosphorus

L. Zhang, Y.H. Qin, C.X. Nie, B.Z. Chen
The rules of ozone generation produced by yellow phosphorus and oxygen were carried out by single-factor experiments in this article. The results showed that with fixed yellow phosphorus concentration (2 g L-1) and oxygen volume percentage (10 %), the rate of ozone net generation reaches a maximum of...
Proceedings Article

Research on Esterification Reaction of Gutter Oil with Supported Acid Catalyst

Y.C. Zhao, Y. Wang, M.H. Qu, F. Ouyang
Active component -SO3H of activated carbon loaded catalyst is prepared by carbide sulfonation reaction between concentrated sulfuric acid and glycerol. And effects of different reaction conditions were studied on the basis of the reduce ratio of acid value after the esterification reaction occurred in...
Proceedings Article

Research on Performance of High-temperature High-density Oil-based Drilling Fluids

C. Ma, L. Li, J. Zhang, R.C. Cheng, G. Wang, Z. Zhang, X. Liu
The oil-gas exploitation techniques of super-deep formations in West China are facing a great challenge. Due to the super-high temperature, high pressure, salt formation, it brings enormous challenge to drilling engineering. To meet the need of drilling operation in the super-deep formations, a new kind...
Proceedings Article

Prediction of Reservoir Temperature for the Tianjin Geothermal Field, Bohai Bay Basin, China

Y. Pei
Reservoir temperature is a key parameter for genesis analysis, potential evaluation and research of waterrock interactions of geothermal systems. It is necessary to identify the suitable geothermometer for a certain geothermal field for better characterization of the geo-temperature field. In this paper...
Proceedings Article

The Problems and Countermeasures of Cathodic Protection Accepatnce of The Yili River Crossing by Horizontal Directional Drilling Method

W. Fu, X.Y. Zheng, Z.L. Zhang, Y.Z. Liao, J.J. Li, S.S. Chen
This paper aims at the problems and countermeasures of cathodic protection acceptance of the Yili River crossing project by horizontal directional drilling (HDD) method, addressing the performability of the acceptance criteria using polarization potential offset of not less than 0.7V required by the...
Proceedings Article

Uncertainty in Estimation of Anthropogenic Aerosol Indirect Effect

X.J. Shi, X.F. Zhi
In this paper, uncertainties in estimating anthropogenic aerosol indirect effects on warm clouds are explored using the recently developed Grid point Atmospheric Model (GAMIL) with prescribed aerosol fields. The anthropogenic aerosol indirect effect is calculated by the change in shortwave cloud forcing...
Proceedings Article

Benzothiazole Derivative Accelerates Excretion of Total Sterols in Long-Term High Fat Fed C57BL/6J Mice

Y. Yu, H. Jiang, J.L. Ao, H. Wang, E.B. Hua
Benzothiazole derivative (BD): [N-(3-(benzothiazol- 2-yl) phenyl)-1H-pyrazole-3-carboxamide] was tested for excretion of total sterols of high-fat diet fed C57BL/6J mice in view of lipid metabolism. The results showed that BD as supplementation of high-fat diet significantly improved the output of cholesterol...
Proceedings Article

The Biological Behavior of Osteoblast on the TiO2 nanotube array coating

X.G. Shi, A. Tian, H. Yang, X.X. Xue
TiO2 nanotube arrays formed by anodic oxidation on titanium surface can effectively promote osteoblast’ migration, proliferation and other biological behavior, and it has potentials of loading drugs and biological agents. In this study, TiO2 nanotube arrays with different diameters were prepared by anodic...
Proceedings Article

Solubility, Free Amino and Freeze-Thaw Stability of Soy Protein Isolated Prepared by Papain Modification

M.J. Liu, G.P. Yu, Y.X. Yao, P.P. Guo, W.W. Qi, X.H. Cai
Peptide size control is important for obtaining desirable functional properties so that these peptides can be better utilized. Proteolytic enzyme modification of soy protein isolates (SPI) is an effective way to fractionate these proteins into peptides with controlled molecular size. SPI was partial...
Proceedings Article

Rosemary Extract Mediated Lifespan Extension in Drosophila Melanogaster

H.L. Wang, Z.S. Zhang, Z.O. Sun, H. Wang, N. Ma, H. Wang
Rosemary (Rosmarinus officinalis L.) has always known a versatile, aromatic herb and addition to being used as a food flavoring is also known medicinally for its powerful antioxidant activity, antibacterial and hepatoprotective properties. In this study we examined the effects of rosemary iextract on...
Proceedings Article

Construction and Functional Analysis of Luciferase Reporter Plasmid Containing CaV1.2 Gene Promoter

M. Li, H.Q. Gong, J. Zhang, N. Wang, T.C. Zhang
L-type Ca2+ channels (LTCCs) are the main mediators of Ca2+ influx. LTCCs are multi-subunit complexes, of which CaV1.2 subunit forms the channel pore for Ca2+ movement. Ca2+ influx through LTCC CaV1.2 is a proximal signal for pathological cardiomyocyte hypertrophy. However, very little is known regarding...
Proceedings Article

Construction and Functional Analysis of Luciferase Reporter Plasmid Containing GSNOR Gene Promoter

D.L. Zheng, X.H. Liao, Z.Q. Wei, F. Du, H.P. He, T.C. Zhang
S-nitrosoglutathione (GSNO) is a nitrosylating agent which mediates the posttranslational process of Snitrosylation on proteins resulting in modulation of their activity. GSNOR (S-Nitrosoglutathione reductase) is an enzyme related to GSNO degration, which has been used extensively in controlling S-nitrosylation...
Proceedings Article

Synthesis of Carbon Microspheres from Saccharides Based on Hydrothermal Process

S.J. Xu, Y.F. Luo, W. Zhong, Z.H. Xiao, Y.P. Luo, H. Ou, H.W. Wu, F. Ye
Three types of saccharides including glucose, fructose and starch were used as the carbon precursors to synthesize carbon microspheres (CMSs) through hydrothermal process and subsequently pyrolysis, with emphasis on investigating the effect of the types of saccharides on the particle size and morphology...
Proceedings Article

Effect of Organic Loading on Biogas Yields from Continuous Semi-dry Fermentation of Swine Manure

Q. Li, Y.P. Tan, J. Ma, J. Hu, C. Chen
Down pushed flow anaerobic reactor (DPAR) was adopted in the paper to reveal the yielding gas process by taking swine manure as the material under different volume organic loading (3.11, 4.44, 5.78 gTS.L-1.d-1) and to detect the optimal volume organic loading for semi-dry fermentation of swine manure....
Proceedings Article

Temperature Influence Bacterial Residual of Escherichia Coli Associated with Lettuce

T.W. Zhang, F. Tan, M.S. Hou, X. Dong, M.M. James
Bacterial contamination is one of the most concern for food safety control in supply chain of fresh vegetables. The bacterial residual is available to be used for expression of the potential risk. Select Escherichia coli 1.1187 as a target to simulate bacterial contamination associated with lettuce....
Proceedings Article

Chemical Composition Characteristics and Usability Evaluation of Flue-cured Tobacco Leaves –A Case Study of Tobacco-producing Areas in Chongqing Municipality, China

B.W. Huang, C.F. Wei, H. Deng, J.K. Lv
The market of Chongqing flue-cured tobacco always lacks a relatively perfect evaluation of its quality objective system. In order to solve the mentioned problem, this paper will carry on the appraisal to the chemical of flue-cured tobacco and availability. There are nine main tobacco-producing districts...