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Enhancing Wastewater Treatment Efficiency through Photosynthetic Bacteria Activation Thana Chotchuangchutchaval1,2,a*, Thanakorn Inthakesorn1,b, Aditep Ruemchatskul1,c, Sittichai Limrungruengrat1,2,d 1Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand. 2Center of Sustainable Energy and Engineering Materials (SEEM), College of Industrial Technology, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand.
One key finding from the research is that aeration plays a crucial role in increasing the relative levels of Dissolved Oxygen (DO), which are essential for the efficient processing and treatment of wastewater by the PSB.

Simulation of Cumene Synthesis by Suspension Catalytic Distillation Er-qiang Wang1, a, Cheng-yue Li2,b , Lang-you Wen3,c, Ze-xue Du3, Yong-qiang Zhang3 1College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing 100049, China 2The Key Laboratory of Science and Technology of Controllable Chemical Reactions, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China 3Research Institute of Petroleum Process, Sinopec, Beijing 100080, China awangerqiang@gucas.ac.cn, blicy@mail.buct.edu.cn, c wenlangyou@ripp-sinopec.com Keywords: Cumene; Alkylation; Suspension catalytic distillation; Heteropoly acid catalyst; Simulation Abstract: This paper deals with alkylation of benzene with propylene to produce cumene by Suspension Catalytic Distillation (SCD) which, as a new technology of process intensification, has been developed from traditional catalytic distillation.
It includes MESH equations, and M, E, S, H denote respectively the material balance equations, the phase equilibrium relations, the summation equations and the energy balance equations.
A term representing the chemical reaction contributions is included in the material balance equations.
Journal of Chemical Industry and Engineering (China).2000;1: 115-119

Microstructural Changes and Thermal Stability of A201, 319s and 2618 Aluminum Alloys during Thermal Exposure Junzhen Gao1,2,a, Qiang Zhu3,b*, Daquan Li1,c and Yonglin Kang2,d 1General Research Institute for Nonferrous Metals, Beijing 100088, China 2School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China 3Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen 518055, China agaojunzhen@163.com, bzhuq@sustc.edu.cn, clidaquan@grinm.com, dkangylin@ustb.edu.cn Keywords: Aluminum alloys, Thermal stability, Precipitated phases, Mechanical properties.
Therefore, mechanical strength and temperature capacity are required for materials of impellers.
The chemical compositions of the experimental materials are given in Table 1.
Table 1 Chemical compositions of the studied materials (wt. %).
Results and Discussion The Microstructure of Experimental Materials.

Trahair: Journal of Structural Engineering, Vol.120 (1994), p. 2041 [4] L.H.
Clarke: Journal of Engineering Mechanics, Vol.125 (1999), p. 1358 [5] M.A.
Pi: Journal of Structural Engineering ASCE , Vol.118 (2002), p. 719 [6] J.
Guo: Engineering Mechanics, Vol.19 (2002), p. 109 (in Chinese) [7] J.
Guo: Engineering Mechanics,Vol. 23 ( 2006), p. 12 (in Chinese)

Experimental procedures The raw material is gas atomized stainless steels powders, with the chemical composition (wt. %) 16.5Cr, 11.6Ni, 2.0Mo, 0.028C, 0.9Si, 0.2Mn, and Fe balance.
Acknowledgements This work was financially supported by the Cooperation Program between School and Enterprises of Huangshi Science and Technology Bureau (2010A1019-5), Hubei Provincial Key Discipline (Mechanical and Electronic Engineering) of Huangshi Institute of Technology.

The Study of Environment Levels of Dioxins and Furans in a Typical Regional Shanshan Su1, a and Yang Hui2,b 1 School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China 2 State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072 , China a diandiansu2011@qq.com, b huiy@ihb.ac.cn Keywords: PCDD/Fs, background level, ambient air, tree bark, soil, sediment Abstract.
Material and methods In this investigation there were two sampling locations.

The study of energy savings of separation quaternary mixture with thermally coupled distillation YE Qing a, DU Leib (School of Chemical Engineering, Changzhou University, Changzhou, China) ayeqing@cczu.edu.cn, b498948605@qq.com Key words: the thermally coupled distillation, quaternary mixtures, energy savings Abstract: The thermally coupled distillation configuration (TCDS) could reduce energy consumption and capital investment compared with conventional distillation sequences.
The material of the research has been focused on the four components from the ethanol, propanol, pentanol, n-butanol, and n-hexanol.

Study on Magnetic Fluid Static Seal of Large Gap Li Decai, Zhang Haina, Zhang Zhili School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, 100044, China adcli@bjtu.edu.cn Keywords: Magnetic Fluid, Seal, Pressure, Magnetization, Temperature Abstract.
Fig.3 shows the key part of magnetic fluid seal.
Different kinds of magnetic fluid used in experiment are shown in Table 1 and The experimental results are shown in Fig.4 The material of the permanent magnet in the experiment is NdFeB, Br=1.35T, Hc = 1040 kA/m, (BH) max=320kJ/m3.

Design and Application on Bluetooth-based wireless sensor network debris flow Mountain Health Monitoring System Hong Ma Institute of Energy and Electrical Engineering ,Nanjing Institute of Industry Technology,Nanjing,China mh_purple@163.com Keywords: Bluetooth technology; sensor network; debris flow; health monitoring Abstract.
The core of debris flow forecast is to determine the critical condition of debris flow activity: that is the solid material storage, moisture content, stability and longitudinal valley topography critical conditions such as rainfall, rainfall intensity, runoff and so on.
Fig.1 Bluetooth add wireless sensor network solution Modern wireless sensor network absorbed and integrated the results of today's advanced technology, such as sensor technology, embedded technology, distributed information processing, wireless communications technology, is a computer network which is consisted by automatic device based on spatial distribution, the keystone is to achieve real-time monitoring, sensing, collecting monitoring object information in a variety of environment through integrated micro-sensor, data processing done by the embedded system, achieving information transmission by the use of random self-organizing wireless network by the way of multi-hop relay mode,whose nod is an essential part of the wireless sensor network, while the key technology is reducing energy consumption of nodes and application software development.LEACH protocol is often used to simplify the algorithm processing, to achieve the purpose of reducing energy consumption , the results show

3D Printing Job Editor for Workflow Visualization Design and Implementation Hao YIN1,a, Guangxue CHEN1,b*, Zaohui YU1,2 1State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China 2China Academy of Printing Technology, Beijing, China ajofel_yin@hotmail.com; b*chengx@scut.edu.cn (Corresponding author) Keywords: 3D Printing; Workflow; Visualization; XML.
The workflow for crossover production with multiple system, material and process are fragmented[1].