Material and energy balance, lecture notes for chemical processes. Leave yourself plenty of room to add information to the. The course provides some of the fundamental tools that chemical engineers use in their daytoday work. Chemical engineering thermodynamics ii che 303 course notes t. The maximum numbers of independent equations that can be derived. School of chemical engineering universiti sains malaysia engineering campus seri ampangan 14300 nibong tebal penang. The lectures are categorized into 3 different filetypes. Material and energy balances north carolina state university. Although this law does not apply to nuclear reactions, conservation of energy remains a valid principle. Several tools exist in the book in addition to the basic text to aid you in learning its subject matter. Kinetic energy ek is the energy due to movement of the centre of mass of an object. Chapter 7 a general strategy for solving material balance problems. You have remained in right site to start getting this info. Supplementary notes for chapters context and approach.
Chapter 7 energy and energy balances the concept of energy conservation as expressed by an energy balance equation is central to chemical engineering calculations. Mass balance equations are formal statements of the law of conservation of mass, and it is no exaggeration to think of them as the f ma of environmental engineering. The course provides some of the fundamental tools that chemical engineers use in their daytoday. Chapter 4 mass and energy balances in this chapter we will apply the conservation of mass and conservation of energy laws to open systems or control volumes of interest. The principle underlying all energy balance calculations is the law of conservation of energy, which states that energy can be neither created nor destroyed. Similar to mass balances studied previously, a balance on energy is crucial to solving many problems. If there is no chemical reaction, the mass balance equation is simplified to cv dm dt. Q v u 16 we know that uis a function of the enthalpy, pressure, and volume, so q v u q v h pv q. Food engineering is the profession in which a knowledge of mathematics, chemistry, biology and other natural sciences gained by study, experience, and practice is applied to develop economic ways of using materials and energy for the benefit of mankind. Because the numerical value associated with the conversion factor is 1, the conversion factor seems simple, even.
Material and energy balance bureau of energy efficiency 82. A good introductory book to chemical engineering principles and calculations should 1 explain the. Material and energy balance computations chemical engineering outline. A studentcentered approach to teaching material and.
A good introductory book to chemical engineering principles and calculations should 1. Learncheme features faculty prepared engineering education resources for students and instructors produced by the department of chemical and biological engineering at the university of colorado boulder and funded by the national science foundation, shell, and the engineering excellence fund. The concept of energy conservation as expressed by an energy balance equation is central to chemical engineering calculations. The energy balance consider a steadystate process represented by figure 3. An ebook to be used for undergraduate in chemical ingineering.
These calculations with their applications in many chemical engineering fields mass transfer, heat transfer, chemical kinetics,etc. Introduction revised october 2, 1999 the material balance is the fundamental tool of chemical engineering. We hope you will take full advantage of these resources. The primary focus of this class is on understanding and solving problems based on balance equations. Jan 12, 2015 this class is the introduction to basic theory and concepts that will be used in the course. Concepts and applications these notes are intended to summarize and complement the material presented in our textbook the 3rd edition of thermodynamics and its applications and discussed in our graduate thermodynamics class 10. The specific gravity fde 201lecture notes 10 how about the relationship between. Theory and basic concepts in mass balance mass balance. Energy balance on a heat exchanger an energy balance is done on a steadystate heat exchanger in which superheated steam is used to heat a reaction stream. Material balance notes irven rinard department of chemical.
Write down neatly everything you are doing so that you and the grader both understand better what you are thinking. Topics to be covered include rudimentary engineering calculations and data analysis, mass and energy balances, chemical reactions, elementary thermodynamics, and phase equilibria associated with chemical engineering processes and unit operations. Evaporation across the surface takes away qevaporation 1 x 104 m3year, so that only q downstream 8 x 104 m3year exits the lake in the downstream stretch of the river. Pdf as for mass balances, the conservation laws extend in an analogous way for energy. Rotational energy er is the energy when the centre of mass is at rest but there is rotation. So it goes without saying that chemical engineers must thoroughly master its use in the formu lation and solution of chemical processing problems. It is important to understand all the concepts in order to continue to the application of mass balance. Energy balance, its content and why it is important this is a series of videos describing the syllabus of a chemical engineer. Materials and energy balances college of engineering. Potential energy ep is the energy due to an elevated height relative to a reference point. Massenergy balances educational resources for engineering. Lecture notes on renewable energy sources subject code. Mobi energy balance chemical engineering spreadsheet. Doran, in bioprocess engineering principles second edition, 20.
Nguyen chemical and materials engineering cal poly pomona. Being able to draw and label a flowchart, based on a textual description of a problem, is extremely important in learning to properly set up material and energy balance problems. Engineering problem solving, the equilibrium concept, first law of thermodynamics. Introduction to chemical engineering processesprint version from wikibooks, the opencontent textbooks collection contents hide 1 chapter 1. Introduction to chemical engineering processesprint version. Supplementary notes for chapters context and approach 1st law. Fluid flow for chemical engineers ekc212 core course. Pdhonline course m239 4 pdh introduction to material and energy balance 2012 instructor.
General strategy for solving material balance problems 166. This section provides the lecture notes from the course. The profession encompasses the spectrum from products, to the processes and equipment for. In this chapter percentage signifies percentage by weight ww unless otherwise specified. This page contains lecture notes from a typical chemical reaction engineering class. Introduction to chemical engineering provides an overview of the field of chemical engineering and introduce them to the elementary principles involved in the analysis of chemical processes with emphasis on material and energy balance calculations as applied to steadystate chemical systems.
System a system is an object or a collection of objects that an analysis is done on. Pdf this text has been written for use in the first course in a typical chemical engineering program. Chemical engineering thermodynamics notes chemical engineering thermodynamics notes recognizing the habit ways to get this book chemical engineering thermodynamics notes is additionally useful. Integral balance above for batch, semibatch, or semicontinuous process. Massenergy balances learncheme educational resources for. Numerous examples worked out in detail to illustrate the basic principles 2. As of now, only the animated powerpoints are avaliable.
Processes involving chemical reactions for the fde 201lecture notes66 in general. Dec 31, 20 the energy balance consider a steadystate process represented by figure 3. Syllabus, schedule and an allinclusive digital microsoft onenote notebook that uses active learning and a flipped classroom. This class is the introduction to basic theory and concepts that will be used in the course. The suffixes 1 and 2 represent the inlet and outlet points respectively.
Combustion of methane ch 4 generation of methanerich biogas is a way to avoid high wastedisposal costs, and burning it can meet up to 60% of the operating costs for such wastetoenergy plants. Introduction to chemical engineering provides an overview of the field of chemical engineering and introduce them to the elementary principles involved in the analysis of chemical processes with emphasis on material and energy balance calculations as applied to. It is the basis for the analysis and design of chemical processes. Differential balance above for continuous process at steady state. Be sure to read carefully through all the examples in this chapter. For chemical engineers ekc212 core course semester i 20082009 by mohamad hekarl uzir msc. A complete gate chemical guide, practice gate previous year question papers in chemical engineering, gate materials and book pdf for gate chemical. Introduction to chemical engineering calculations lecture 9 solving material balances problems involving nonreactive processes prof. Chemical engineering education, 412, 93100 2007 l ike most chemical engineering curricula, the chemical and biomolecular engineering curriculum at north carolina state university begins with a course on material and energy balances, historically designated the stoichiometry course. Introduction to chemical engineering as a profession. Welcome to basic principles and calculations in chemical engineering. Find materials for this course in the pages linked along the left. Material and energy balance computations chemical engineering outline henley, ernest j on.
Energy balance for problems with no reactions in projects 4 and 5 and final exam. An introduction to material and energy balances in chemical engineering applications, including environmental and biological systems. Basic principles and calculations in chemical engineering. Eis the sum of the internal energy u, the kinetic energy k, and the potential energy e p. Q is the heat transferred across the system boundary. Lecture notes integrated chemical engineering topics i. Energy balances in chemical engineering e09 youtube. Energy balances in chemical engineering e09 energy balance, its content and why it is important this is a series of videos describing the syllabus of a chemical engineer. Jul 18, 2016 energy balance, its content and why it is important this is a series of videos describing the syllabus of a chemical engineer. The balances will be applied to steady and unsteady system such as tanks, turbines, pumps, and compressors.
Material and energy balances form the foundation for nearly all future chemical engineering. Design projects for material and energy balances university of west virginia active learning and justintime teaching in a material and energy balances course university of. Material and energy balances cosmolearning chemical. Flowcharts are also used to indicate all unknown variables of interest.