control and optimization of separation processes

... University of Technology Private Bag 92006, Auckland New Zealand Professor Dr Sing Kiong Nguang Department of Electrical and Computer Engineering The University of Auckland Private Bag 92019, Auckland ... algorithms and neural networks, formonitoring, modelling and optimization of fed-batch fermentation processes.The main aim of a process control is to maximize the final product withminimum development and ... processmodelling because of their inherent capability to handle general nonlineardynamic relationships between inputs and outputs Many reviews of the ap-plications of ANNs in modelling and control of biotechnological

Ngày tải lên: 11/05/2018, 15:11

... Professor Ilya Kolmanovsky and Professor JohannaMathieu, for their constructive comments and helpful suggestions Profes-I would like to gratefully and sincerely thank all of my colleagues and ... 8.7 The implementation of Speedgoat controller 131 8.8 Matlab/Simulink program of the local controllers 132 8.9 Control performance: battery and UC command power and actual power (zoom-in ... activities associated with thecontrol and optimization of electric ship propulsion systems, a control- andoptimization-oriented model is an essential tool for feasibility analysis and sys-tem design The

Ngày tải lên: 04/05/2020, 11:47

... transportation, deposition and dispersion of particles Of the various sources of TSPM pollution, line sources contribute more than other sources because of their lengths and nature of mining operations ... velocities of the highly reactive gaseous phases of HNO3 and HCl are larger than those of their aerosol phases For example, measured dry deposition velocities of HNO3 gas are 20 times those of NO3- ... those of SO2 and NO2 (1.23 and 0.01 mol L-1 atm-1, respectively) Thus, below-cloud scavenging coefficients of irreversibly scavenged gases such as HNO3 and HCl are several times those of their

Ngày tải lên: 19/06/2014, 14:20

... distributions of the SO2 and NOx emission fluxes and monthly mean surface concentrations of SO42- and t-NO3 in March 2006 SO2 and NOx emissions peaks are seen in large emission source regions, and SO42- and ... concentrations and depositions of t-NO3 accurately, accurate estimations of emission inventories of SO2 and NH3 and of its precursor NOx are important Simulated dry deposition velocities and wet scavenging ... atmosphere and gas phase fraction of HNO3 2 The gas phase fraction of HNO3 and wet deposition rate of total nitrate 3 A long-range transport indicator and the wet deposition rate of total nitrate

Ngày tải lên: 19/06/2014, 14:20

... ABO3-type materials have the advantage of high stability The sensitivity and selectivity of these kinds of sensors can be controlled by selecting suitable A and B atoms or through chemical doping ... method, starting from raw materials of La2O3, SrO, and Fe2O3 The mixed powders were dried and were calcined at 1000ºC Trang 2Monitoring, Control and Effects of Air Pollution 52 The La1-xSrxFeO3 ... H I Hwang, and K S Yoo, J Kor Sensors Soc., vol 18, p 263, 2009 Trang 8Monitoring, Control and Effects of Air Pollution 58 [66] Z A Ansari, S G Ansari, T Ko, and J.-H Oh, , Sensors and Actuators

Ngày tải lên: 19/06/2014, 14:20

... Island (or “Pulau Pinang” in Malay Language) and a portion of mainland called “SeberangPerai” in Malay Language Penang Island is an island of 293 square kilometres located in the Straits of Malacca ... Malacca and “SeberangPerai” is a narrow hinterland of 753 square kilometres (Tan, et al., 2010) The island and the mainland are linked by the 13.5 km long Penang Bridge and ferry Penang Island is ... 10 % of cloud coverage over the study area Penang Island located on the northwest coast of Peninsular Malaysia Fig 1 The study area Trang 5Penang is one of the 13 states of the Malaysia and the

Ngày tải lên: 19/06/2014, 14:20

... capital, Amman (Department of Driving and Vehicles Licensing 2010) More than 31% of the vehicles in Jordan are diesel-powered Vans and trucks represent 33% and 42.7% of the total diesel-powered ... Lim, H S., MatJafri, M Z and Abdullah, K., 2010, Landsat data to evaluate urban expansion and determine land use/land cover changes in Penang Island, Malaysia, Springer, Environmental Earth Sciences, ... Assessment of radiometric correction techniques in analyzing vegetation variability and change using time series of Landsat images Remote Sens Environ 112:3916–3934 Trang 3Photoacoustic Measurements of

Ngày tải lên: 19/06/2014, 14:20

... 6Monitoring, Control and Effects of Air Pollution 116 inaccuracies and focus further investigation on the areas of greatest uncertainty PCA and UNMIX apportioned one single source of mobile sources, ... source profiles and contributions The stand-alone EPA UNMIX version 5.0 was used in this study For a given selection of species, UNMIX estimates the number of sources, the source compositions, and ... with a particular type of source, is used to identify and quantify the contributions of each source The model uses the complete model of chemical emissions of a category of specific source to

Ngày tải lên: 19/06/2014, 14:20

... significant means of bioagent dispersion This chapter seeks to further advance our understanding of fluid and aerosol dynamic processes of exposures resulting from dust lying on the surface of a letter ... interactions of dispersion, deposition, and resuspension Understanding these processes is predicated on understanding the interaction between turbulent airflow and particles Rooms often have complex ... extended periods of time The magnitude of emissions, the link from emissions to personal exposure, the toxicological significance of the chemicals emitted, and the costs and impacts of alternate

Ngày tải lên: 19/06/2014, 14:20

... and ultraviolet radiation The conservation of works of art and antiquities is intended to: (a) the preservation of cultural heritage, (b) the deceleration of their deterioration processes and ... the problem of confrontation of historic buildings and monuments decay because of air pollution presupposes the finding of the relation between “cause and effect”, namely of “how and why air-pollutants ... history These unique and unprecedented fingerprints of human civilization form the natural and cultural heritage of a place, of a country, of a people, the peculiar features of a nation which characterize

Ngày tải lên: 19/06/2014, 14:20

... comprehensive understanding of the causes of decay and the factors controlling them In order to estimate the impacts of air pollution on the various solid surfaces, including them of cultural heritage, ... the injection of gaseous pollutants and (at the bottom) after the injection of gaseous pollutants L351 STATUE OF KAVALA: AFTER L351 STATUE OF KAVALA:BEFORE Trang 3Air Pollution and Cultural ... behavior of the interface between the work of art and the environment [Carreti & Dei, 2004] Therefore, the characterization of the solid surfaces before and after the application of these

Ngày tải lên: 19/06/2014, 14:20

... Ministry of Environment and the Ministry of Interior, the decree of the Minister of Interior was issued: a To link between the issuance of the licenses of the Vehicles and its emissions testing, and ... start of the implementation of this decree in the Qaluibia and Giza governorates Such decree provides a new hope of the improvement of air quality and the first step of overcoming the problem of ... used, and talc, chalk and even flour are traditional poultice materials A mixture of clay and paper fabric produces an absorbent and plastic mixture that is often favoured by conservators of stone

Ngày tải lên: 19/06/2014, 14:20

... MODELING, CONTROL AND MONITORING OF CHEMICAL PROCESSES CHENG CHENG (B Eng., ECUST, China) (M Eng., ECUST, China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND ... Comparison of JITL and standard-learning 2.2 Controller Design for Nonlinear Processes In chemical and biochemical industries, most processes are inherently nonlinear, however most controller ... has a long and rich history The development of adaptive control started in the 1950’s with the aim of developing adaptive flight control systems With the progressing of control theories and computer...

Ngày tải lên: 30/09/2015, 05:58

... Monitoring and Control of Crystallization Processes Monitoring and control of particle shape and size distribution in real-time is a challenge faced by the traditional pharmaceuticals and fine ... Monitoring and Control of Crystallization Processes laser diodes Because of this probe design, issues such as on-line sampling and transparency of crystallizer wall are not significant Barrett and Glennon ... Procedure of variable-size sequential simplex optimization 129 Figure 7.3 Parameters and responses of 105 experimental runs of UD - 136 Figure 7.4 Comparison of model prediction and experimental...

Ngày tải lên: 10/09/2015, 15:51

... minus the land cost (L) and the salvage value (S) Salvage value is a small proportion of the initial FCI and often it is assumed to be zero Land cost is also a small fraction of the total and thus ... Setup for MOO of Processes 91 Figure 5.3: Selected Results for Operation Optimization of VOC Recovery for PBT and PEI 95 Figure 5.4: Selected Results for Operation Optimization of VOC Recovery ... reduction and assessment of chemical and other environmental impacts, TRACI (Bare et al., 2003 and 2006); and IMPACT 2002+ (Joillet et al., 2003) Only a brief overview of indicators for toxicology and...

Ngày tải lên: 16/10/2015, 15:38

... computer graphics and related fields It is defined by a set of control points, and uses them as coefficients of a certain polynomial to describe continuous curves [13] The control points of a Bézier ... variables reduces to two The injection rates of CO2 and the injection rates of water are chosen as the final optimization design variables Optimization of WAG operation for a generic cylindrical ... the mobility, viscosity, and relative permeability of the non-wetting phase (CO2) respectively and mw, µw, and krw are the mobility, viscosity, and relative permeability of the wetting phase (brine)...

Ngày tải lên: 05/09/2013, 16:10

... divided into 1) averaging control, and 2) balancing control Voltage command of each arm: (a) Positive arm, and (b) Negative B Balancing Control The use of the balancing control described in [21] ... (6.4%) and 50-Hz base (b) C G U  E Proportional gain of averaging control Integral gain of averaging control Proportional gain of current control Integral gain of current control ... of averaging control Integral gain of averaging control Proportional gain of current control Integral gain of current control Proportional gain of balancing control [A] 40 0.5 A/V 150 A/(V·s)...

Ngày tải lên: 15/10/2013, 16:24

... limited and unbalanced Management Framework - Introd uced Marine Pests Priorities and hazards for Economies  Variable levels of activity and management capability  Ships’ ballast water and hull ... shipping, aquaculture and biodiversity are most threatened values  Amount of commercial shipping and number of trading partners affecting pathway strength  A limited number of IMP have been identified ... management framework  Risk management - “ culture, processes and structures that are directed towards the effective management of potential opportunities and adverse effects”  Risk management can be...

Ngày tải lên: 28/10/2013, 11:15

... 24-1 DATA TRAFFIC The main focus of congestion control and quality of service is data traffic In congestion control we try to avoid traffic congestion In quality of service, we try to create an ... understand the concept of congestion control, let us give two examples: one in TCP and the other in Frame Relay Topics discussed in this section: Congestion Control in TCP Congestion Control ... Queues in a router 24.6 Figure Packet delay and throughput as functions of load 24.7 24-3 CONGESTION CONTROL Congestion control refers to techniques and mechanisms that can either prevent congestion,...

Ngày tải lên: 06/03/2014, 12:20

... after addition of the ligand, and reached maximum levels 24 h after the addition of the ligand (Fig 4B) The luciferase activity began to decrease 24 h after withdrawal of the ligand, and showed a ... 1, and days after the addition of ligand, and the luciferase activity was measured and expressed in terms of relative light units (RLU) per microgram of protein Data shown are the average of ... collected at 0, 6, 12, 24 and 96 h after the addition of ligand, and the luciferase activity was measured and expressed in terms of RLU per microgram of protein In ligand withdrawal experiments,...

Ngày tải lên: 15/03/2014, 23:20