We report here an experiment for the chemical reaction engineering laboratory. For this purpose, the saponification reaction in these reactor systems was. Alharthi chemical engineering department, king fahd university of petroleum and minerals, dharhan, saudi arabia received 22 december 2011. Jun 18, 2014 describes why batch reactors are used, their scale up capabilities, and presents mole balances for the reactor. Experiment 3 saponification of ethyl acetate and sodium hydroxide in cstr date of experiment 16 march 2012 date of report submission 23 march 2012 lecturer dr.
Temperature, volume of reaction mixture, rate of agitation, and initial concentration of reactants are the operating conditions considered for analysis. Batch reactors are filled with the media and nothing is added or removed until the end of the reaction. Steadystate reactor performance is followed at different space times and reynolds numbers. A batch reactor is a constant volume reactor has no input or output when the chemical reaction is occurring. In a batch flow reactor, the reactor is charge with reactant, the content are well mixed and left to react and then the mixture will be discharged. View lab report 273221975 lab report batch reactor. For batch reactors, conversion is a function of time whereas for.
Pdf an semi batch reactor sbr is used to process the simple reaction between sodium hypochlorite and hydrogen peroxide. A semi batch reactor will have some addition andor removal during the course of the reaction. A literature survey shows that only few articles have tackled the simple batch distillation problem from an educational perspective. Jacket consists of agitation nozzles forproviding higher turbulence and hence betterheat transfer. Simple batch distillation of a binary mixture housam binous, mamdouh a. Lab report batch reactor reaction rate chemical reactor. A semi batch reactor experiment for the undergraduate laboratory. These tanks also have an agitator and an internal heating or cooling system. Wastewater technology fact sheet sequencing batch reactors description the sequencing batch reactor sbr is a fillanddraw activated sludge system for wastewater treatment. Lab report batch reactor free download as word doc. Pdf lab report tubular flow reactor muhamad faizzudin. When you first use the lab, click on the info button at the top of the window to get advice on using the lab.
Unfortunately, there is usually no single comprehensive laboratory reactor that could be used for all types of reactions and catalysts. Conversion and reactor sizing define conversion and space time. These are screen shots on a mac, the appearance on a windows pc is very similar. Experimental studies of ethyl acetate saponification using. Nuke em batch lab reports flying skull plant products. Pdf che244 lab report effect of temperature on the reaction. Mar 26, 2018 university of south florida tampa, fl department of chemical engineering chemical engineering lab ii lab a batch reactor kinetics safety and procedure training video. Unesco eolss sample chapters water and wastewater treatment technologies sequencing batch reactors. This experiment is carried out to determine the order and the reaction rate constant for the liquid reaction of caustic soda and ethyl acetate in a stirred batch reactor. Zainor abidin section 02 group no team members matrics num. What is bioreactor a bioreactor may refer to any manufactured or engineered device or system that supports a biologically active environment in one case, a bioreactor is a vessel in which a chemical process is carried out which involves organisms. The experiment will be performed under n 2 atmosphere, since ethyl iodide reacts with o 2. Che431 unit operations lab i spring 2012 experimental determination of kinetic rate constants using batch and cstr reactors dr.
The reactant that starts in the reactor is always the limiting reactant. Batch reactor is an essential operation unit of scale laboratory pilotplants, since it is convenient for smallscale operation, for testing new processes that have not been fully developed, for the manufacture of expensive products and for processes that are difficult to convert to continuous operations. Chemical reactor simulations for active learning final report introduction this project was initiated in march 2002 and completed in february 2005 at the end of a oneyear nocost extension. Experimental study of batch reactor performance for ethyl. After starting the reactor lab application, you will go to the reactor lab directory. Plug flow can be approached in the following cases. It is also widely used in chemical processing industries where small. Experiment 7 batch reactor free download as word doc. Ballut in this experiment, the use of both a batch reactor and a cstr will be demonstrated to generate data for the determination of kinetic parameters. Kinetic study of ethyl iodide and naoh in a batch reactor the reaction between ethyl iodide c 2 h 5 i and naoh shall be studied at different reaction conditions in a batch reactor. Connect to a qualified service provider using labx service. Introduction for batch reactor experiment chemical reactions. Equipments and materials needed for stirred batch reactor experiment. Keep in mind that as a faculty i can only report cannot take things into my hands.
This research focuses on the study of the kinetics of the saponification reaction between sodium hydroxide and ethyl acetate in a batch reactor. A chemical reaction engineering laboratory experiment. Batch reactor consists of an agitator and ajacket around it for cooling purposes. University of south florida tampa, fl department of chemical engineering chemical engineering lab ii lab a batch reactor kinetics safety and procedure training video. Final report skf 3751 chemical reaction engineering laboratory 20112012sem 02 experiment 3 saponification of ethyl acetate and sodium hydroxide in cstr date of experiment 16 march 2012 date of report submission 23 march 2012 lecturer dr.
In the unit time, the concentration will be able to change only in virtue of a chemical reaction. Nuke em batch lab reports flying skulls nuke em now tested for contaminates some of the professional growers are now required to have their produce tested to make sure that it is not contaminated with unlawful pesticides and overpopulations of yeast, mold or aerobic and anaerobic bacteria. The apparatus in our lab can be run as a batch or a continuous stirred tank reactor. The experiment is carry out to acheive a few objective which are to study the effect of residence time on the conversion of the solution, to study the reaction rate constant and to determine the conductivity and the conversion of naoh. In our cre laboratory, batch reactor experiments are used to collect concentrationtime data using exsitu and insitu techniques, with the objective of determining reaction kinetics. Semibatch reactors are used primarily for liquidphase reactions, twophase. The maintenance of the reactor includes change of bearing and bushes. A typical batch reactor consists of a tank where chemical reactions occur. Reactor design lectures notes university of technology, iraq.
Use our directory to find and contact a service specialist. Example of working a quiz d1l1 batch quiz reactor lab. The objective of the current research work is to investigate the performance of batch reactor for saponification of ethyl acetate with sodium hydroxide. Plug flow is an ideal case and could only be exactly obtained in the lab with, e. Please be patient as the manual and our lab evolve over time. Write the mole balances in terms of conversion for a batch reactor, cstr, pfr, and pbr. Chaudhary mixed liquor is allowed to settled and the clarified supernatant is. Schx4008 chemical reaction engineering lab department of chemical engineering 3 sathyabama university contents exp no date name of the experiment staff sign interpretation of batch reactor rtd studies in plug flow reactor combined reactors pfr followed by mfr semi batch reactor kinetic studies in a mixed flow reactor. Measure the given amount of sbo and place it in the batch reactor. An important class of carboncarbonbond coupling reactions is the dielsalderreactions.
Laboratory 20112012sem 02 experiment 3 saponification of ethyl acetate and sodium hydroxide in cstr date of experiment 16 march 2012 date of report submission 23 march 2012 lecturer. The reaction between sodium hydroxide and ethyl acetate is conducted isothermally in a tubular reactor under isothermal, laminar flow, conditions. A batch reactor is the simplest type of reactor vessels use for chemical or industrial processes. Pdf che244 lab report effect of temperature on the. Experiment 3 saponification of ethyl acetate and sodium. For the batch reactor, make a sketch of what you expect fractional conversion as well as. These reactors are the batch reactor br, the plug flow reactor pfr and the continuous stirred tank reactor cstr. Experiment 7 batch reactor chemical reactor sodium. To improve understanding it is useful to study ideal reactors first.
Che244 lab report effect of temperature on the reaction in a cstr 2015. Size reactors either alone or in series once given the molar flow rate of a, and the rate of reaction, r a, as a function of conversion, x. Ballut in this experiment, the use of both a batch reactor and a cstr will be demonstrated to generate data for. Request pdf experimental study of batch reactor performance for ethyl acetate saponification the objective of the current research work is to investigate the performance of batch reactor for. Reactor design lectures notes university of technology. The following table gives reaction times for first r a kc a and second r a k in a batch reactor the following table gives the various times necessary to process one complete batch. It can be advisable to add the sbo and then the stirring rod before fastening the lid of the reactor, to avoid coating the neck of the reactor with oil. Its name is something of a misnomer since vessels of this type are used for a variety of process operations such as solids dissolution, product mixing, chemical reactions. May 21, 2015 the mode of operation of reactors may be batch flow or continuous flow. Pdf an semibatch reactor sbr is used to process the simple reaction between sodium hypochlorite and hydrogen peroxide. Batch reactor is an essential operation unit of scale laboratory pilotplants, since it is convenient for smallscale operation, for testing new processes that have not been fully developed, for the manufacture of expensive products and for processes that. However, there is a need for supplemental information to address the design of sequencing batch. Made by faculty at the university of colorado boulder, department of chemical and.
The reaction time necessary to reach a conversions x in a batch reactor is. The experimental batch reactor is usually operated isothermally and at constant volume because it is easy to interpret the results of such runs. For this experiment, weve designed a 6 cstrs tank made of polyvinyl. A simple experiment such as the batch distillation of an ethanolwater binary mixture can be. A continuous flow reactor, the feed to reactor and the discharge from it are continuous. Tubular reactor, plug flow reactor, saponification, integral method, differential method. The batch reactor is the generic term for a type of vessel widely used in the process industries. The progress of the reaction is recorded by monitoring the consumption. One of the example of the reactors is continuous stirred tank reactor cstr. Department of chemical engineering jeppiaar nagar, chennai 119. With this information, it is clear that the batch reactor has 0 0. In your report please verify your conclusions with information.
In this section we discuss the various types of reactors that can be chosen to obtain the kinetic parameters for a specific reaction system. Apr 25, 2012 batch reactorfermenter modeled as a batch reactor. Felles lab biodiesel production in batch reactor fall 2019. Introduction for batch reactor experiment free download as word doc. Experimental determination of kinetic rate constants using. Chemical reactors trainer chemical engineering lab baku engineering.
Semibatch reactors semi batch reactors can be very effective in maximizing selectivity in liquid phase reactions. A recent graduate level textbook discusses advanced batch distillation problems in depth 2. Manual for che 496 chemical engineering laboratory ii robert b. Process reactors new and used process equipment labx. Product quality more variable than with continuous operation 3. Batch reactor given its volume v, and the initial internal concentration c0, the total mass will be m vc0. To achieve this, the batch reactor available at the unit operation laboratory department of chemical engineering, university of. Pdf a semibatch reactor experiment for the undergraduate. Khartoum department of chemical engineering unit operations lab. A semibatch reactor experiment for the undergraduate laboratory. The vessel comprises of a glass cylinder with a steel base and a removable pvc top cover for access and cleaning purposes. Pdf che506 lab report on plug flow reactor l5 2018. In this system, wastewater is added to a single batch reactor, treated to remove undesirable components, and.
The mode of operation of reactors may be batch flow or continuous flow. Need repair, calibration, maintenance or an installation for your lab equipment. Download as doc, pdf, txt or read online from scribd. A semibatch reactor, however, allows partial filling of reactants with the flexibility of adding more as time progresses. Sequencing batch reactor sbr is a fillanddraw activated sludge system for wastewater treatment. Kinetic study of ethyliodide and naoh in a batch reactor. To achieve this, the batch reactor available at the unit operation laboratory department of chemical engineering, university of khartoum had been repaired and modified to suit the experimental procedures.
Plug flow is obtained when the fluid velocity is constant across a plane normal to the flow direction. The suggestions to carry out this experiment are reproduced from the conductivity meter manual. Although the processes involved in sbr are identical to the conventional activated sludge process, sbr is compact and time oriented system and all the processes are carried out sequentially in the same. The batch reactor is often a good reactor archetype for slow reactions. Reactants are filled in and allowed to react for acertain period of time without them exiting.
A semibatch reactor will have some addition andor removal during the course of the reaction. Set this up in excel because you will do a very similar calculation at the end of your experiment using the actual conversion. Batch distillation is highly preferable to continuous distillation when highvalueadded, lowvolume chemicals must be separated. Che 496 lab manual information services new jersey institute of. A reactor can be a chemical reactor in the traditional sense or other entities, for example, a chem ical vapor deposition apparatus for making computer chips, an organ ofthe human body, and the atmosphere ofa large city. The reactor lab allows students to explore the behavior of the chemical.
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