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Chemical Engineering
University, Engineering, and Architecture
Design of industrial processes for chemical and material transformation. Source: Wikipedia (CC BY-SA 4.0).
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What you need to know
Read the full theory →Definition, fundamentals, and applications of Chemical Engineering
- Definition: Study and operation of elements in the process industry.
- Focus: Industrial production with sophisticated physical and chemical transformations.
- R&D: Design of new materials, technologies, and environmentally friendly processes.
- Mathematical foundations: Linear algebra, calculus, differential equations, and numerical methods.
- Engineering foundations: Thermodynamics, transport phenomena, and chemical kinetics.
- Applied disciplines: Process engineering, reactor design, equipment, and separation.
- History: George E. Davis coined the term and published the first manual in 1901.
- Main objective: Economic use of materials and energy for the benefit of humanity.
- Difference from pure sciences: Focus on practical application and production, not just the scientific phenomenon.
- Production premises: Quality, integrity, safety, techno-economic feasibility, and environmental respect.
- Professional role: Responsible for the chain from raw material to final product.
- Areas of expertise: Production, process control, quality, industrial safety, and ecology.
- Key applications: Feasibility, design, construction, operation, technical sales, and environmental control.
- Key sectors: Petrochemicals, food, steel, polymers, energy, and pharmaceuticals.
Historical evolution and paradigms of Chemical Engineering
- Sadi Carnot (1824): First study of thermodynamics in steam engines.
- Rudolf Clausius (1850s): Demonstration of phase transition (Clausius-Clapeyron Relation).
- Josiah Willard Gibbs (1873-1876): Graphical mathematical methodology for chemical systems.
- Hermann von Helmholtz (1882): Demonstrated that chemical affinity depends on free energy.
- 1888: Start of Course X in Chemical Engineering at MIT.
- 1901: Publication of the first Chemical Engineer's Manual.
- 1908: Founding of the AIChE.
- 1919: Creation of Industrial Chemistry schools in Chile and Argentina.
- 1922: Founding of the IChemE.
- 1923: Graduation of the first industrial chemical engineers in Chile and Latin America.
- Modern definition: A distinct discipline based on changes in the physical and chemical properties of matter.
- Unit Operations (1915): Unification of processes (distillation, filtration, etc.) under general laws.
- Reaction Engineering (1950s): Consolidation as a fundamental part of chemical engineering.
- Transport Phenomena (1960): Molecular analysis of momentum, heat, and mass transfer.
- Newton's Laws: Applied to momentum.
- Fourier's Laws: Applied to heat transfer.
- Fick's Laws: Applied to mass transfer.
Evolution, Specializations, and Fields of Practice of Chemical Engineering
- Current paradigm: Process engineering for low-cost mass production.
- Specializations: Pharmaceuticals, food, energy, water treatment, costs, and quality.
- Technological milestone: Introduction of the MODICON 084 PLC in 1968.
- Current technologies: Intelligent Control Systems, Automated Systems, Digital Control, Instrumented Systems, and Data Acquisition.
- Origin of Safety Engineering: Bhopal (1984) and Chernóbil (1986) disasters.
- Safety Objective: Disaster prevention and protection of people and the environment.
- Sustainability Paradigm: Response to resource scarcity and population demand.
- Environmental milestone: Mario Molina's research on CFCs and the Montreal Protocol.
- Raw materials: Animal, vegetable, or mineral origin.
- Planning limitations: Time, materials, and cost.
- Development fields: Process control, automation, energy, pollution, simulation, synthesis, productivity, biotechnology, and toxic waste.
Flashcard preview (6 of 15)
- 01
Chemical engineering is responsible for the study, design, and operation of elements in the [____] industry.
processes
- 02
Who is considered the first chemical engineer and creator of the term?
George E. Davis
- 03
What is the primary objective of chemical engineering according to the AICHE Constitution?
To develop economical ways to use materials and energy for the benefit of humanity.
- 04
How does the approach of chemical engineering differ from pure sciences (chemistry/biology)?
Chemical engineering applies knowledge to develop economical ways to use materials and energy (applied approach vs. study of scientific phenomena).
- 05
Under what title do chemical engineers usually work in the design and maintenance of large-scale chemical processes?
Process Engineer
- 06
Physicist who was the first to study the thermodynamics of combustion reactions in steam engines (1824):
Sadi Carnot
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