Chemical Engineering 2023: Subjects, career, and job opportunities

Chemical engineering is a challenging and dynamic field that plays a critical role in shaping the world we live in today. Chemical engineering is a rapidly growing field with a wide range of subjects and exciting career opportunities. If you’re considering pursuing a degree in chemical engineering, it’s important to understand the subjects you’ll study, the potential careers available to you, and what the job market looks like.

In this blog post, we’ll provide an overview of the subjects you can expect to study as a chemical engineering student, as well as the various career paths available after graduation. We’ll also discuss the current job market for chemical engineers and provide tips on how to succeed in this dynamic field. Whether you’re just starting your academic journey or are already a seasoned student, this guide will be an indispensable resource for anyone interested in pursuing chemical engineering.


What is the Chemical Engineering?

Chemical Engineering is a branch of engineering that applies principles of chemistry, physics, mathematics, and economics to design, develop, operate, and optimize chemical processes and plants. Chemical engineers are involved in the creation and transformation of materials and substances through chemical reactions, using various technologies and tools to control and optimize these processes.


Subjects in Chemical Engineering

The subjects in Chemical Engineering can vary depending on the specific program and curriculum, but here are some of the basic concepts in chemical engineering including some common subjects that are typically covered in a Chemical Engineering program:


Mathematics is an essential subject in Chemical Engineering, as it is used to solve mathematical models and equations related to chemical processes. Subjects include calculus, differential equations, linear algebra, and statistics.


Chemical Engineering involves the use of chemical principles and concepts to design and optimize chemical processes. Subjects include organic chemistry, physical chemistry, and analytical chemistry.


Physics provides a foundation for understanding the behaviour of materials and the principles underlying chemical processes. Subjects include mechanics, thermodynamics, and electromagnetism.

Engineering Fundamentals

Chemical engineers must have a strong foundation in engineering principles and concepts. Subjects include materials science, mechanics of materials, and fluid mechanics.

Process Design and Control

Chemical engineers are responsible for designing and optimizing chemical processes to ensure that they are safe, efficient, and environmentally friendly. Subjects include process design, process control, and process safety.

Chemical Reaction Engineering

Chemical engineers need to understand the kinetics of chemical reactions and how to optimize them for industrial applications. Subjects include reaction kinetics, reactor design, and catalysis.

Separation Processes

Separation processes are critical in the chemical industry, and chemical engineers must have a strong understanding of these processes. Subjects include distillation, extraction, adsorption, and chromatography.

Chemical Process Economics

Chemical engineers must also have an understanding of the economic aspects of chemical processes, including cost analysis and profitability.

Mass and Energy Balances

This is a fundamental concept in chemical engineering that involves the application of the principle of conservation of mass and energy to chemical processes. Mass and energy balances are used to determine the input and output of materials and energy in a chemical process, which is essential for process design and optimization.


Thermodynamics is the study of the relationship between heat, energy, and work, and how they are transformed in a system. Chemical engineers use thermodynamics to understand the behaviours of materials and processes and to design and optimize thermodynamic systems such as heat exchangers and distillation columns.

Chemical Kinetics

Chemical kinetics is the study of how chemical reactions occur and how they are influenced by various factors such as temperature, pressure, and catalysts. Chemical engineers use chemical kinetics to design and optimize chemical reactors, which are used in the production of various chemical products.

Transport Phenomena

Transport phenomena refer to the study of the movement of mass, energy, and momentum in fluids and solids. Chemical engineers use transport phenomena to understand the behavior of fluids and solids in chemical processes and to design and optimize equipment such as pumps, heat exchangers, and reactors.

These are just a few of the basic concepts in chemical engineering, and there are many other concepts and principles that chemical engineers use to design and optimize chemical processes and products.


Career in Chemical Engineering

A career in Chemical Engineering can be challenging and rewarding, as it offers a wide range of opportunities across various industries. Here are some common career paths for Chemical Engineers:

  1. Process Engineer: Process engineers are responsible for designing and optimizing chemical processes to ensure they are safe, efficient, and cost-effective. They work with other engineers and technicians to develop and implement new processes and technologies.
  2. Product Development Engineer: Product development engineers work in research and development to develop new products and processes. They use their knowledge of chemistry and engineering to create new products and improve existing ones.
  3. Environmental Engineer: Environmental engineers work to develop and implement processes and technologies that minimize the impact of chemical processes on the environment. They work with regulatory agencies to ensure compliance with environmental laws and regulations.
  4. Project Engineer: Project engineers manage the design, construction, and installation of chemical plants and equipment. They oversee the work of engineers and technicians, ensuring that projects are completed on time and within budget.
  5. Quality Control Engineer: Quality control engineers ensure that chemical products meet the required standards of quality and purity. They develop and implement quality control procedures and work with other engineers and technicians to troubleshoot problems.
  6. Sales Engineer: Sales engineers work for chemical companies to promote and sell chemical products and services to customers. They use their knowledge of chemical engineering to educate customers about the benefits of the products and help them to make informed decisions.

These are just a few of the many career paths available to Chemical Engineers. Other opportunities include academia, consulting, and entrepreneurship. The chemical engineering field is constantly evolving, so there are always new opportunities for growth and advancement.

Where can you find chemical engineers?

Chemical engineers are in high demand nowadays due to the large number of sectors that rely on the synthesis and processing of chemical materials. Chemical engineers can pursue jobs in the following fields:

  • Petrochemical Industries
  • Petroleum Refineries
  • Chemical Manufacturing Industries
  • Cement Industries
  • Food & Beverages Industries
  • Rubber Industries
  • Coal & Mining Industries
  • Aerospace Industries
  • Polymer Industries
  • Fertilizer Industries
  • Chloro-Alkali Industries
  • Pharmaceuticals Industries
  • Textiles Industries
  • Public Sector Unit (PSU)
  • Paper and Pulp Industries etc.

Job opportunities in Chemical Engineering

Chemical engineering offers a diverse range of job opportunities across various industries. Some of the industries that commonly employ chemical engineers include:

  1. Chemical Manufacturing: Chemical engineers are employed in the manufacturing of a wide range of chemicals and materials such as plastics, fuels, and pharmaceuticals.
  2. Oil and Gas: Chemical engineers are employed in the exploration, production, and refining of oil and gas. They work on the development of new technologies to improve extraction and refining processes.
  3. Food and Beverage: Chemical engineers are employed in the production of food and beverage products, where they work on developing new processes to improve efficiency and product quality.
  4. Environmental: Chemical engineers are employed in the environmental industry, where they work on developing and implementing processes to minimize the environmental impact of chemical processes.
  5. Biotechnology: Chemical engineers are employed in the biotechnology industry, where they work on developing new drugs, medical devices, and other biotechnology products.
  6. Consulting: Chemical engineers may work as consultants, providing expertise and advice to companies on issues related to chemical processes and products.
  7. Research and Development: Chemical engineers are employed in research and development, where they work on developing new technologies and processes for a wide range of industries.

These are just a few examples of the job opportunities available to chemical engineers. As a diverse field, chemical engineering offers a wide range of career options and opportunities for growth and advancement.


Future Scope of Chemical Engineering

The future of Chemical Engineering is promising and exciting, with continued growth and innovation in the field. Here are some trends and developments that are shaping the future of Chemical Engineering:

Sustainable and Green Technologies

With increasing concerns about climate change and environmental sustainability, there is a growing emphasis on developing sustainable and green technologies in Chemical Engineering. This includes developing processes that are energy-efficient, use renewable resources, and reduce waste and emissions.

Biotechnology and Bioengineering

There is an increasing focus on the use of biotechnology and bioengineering in Chemical Engineering, particularly in the areas of pharmaceuticals, food and beverage, and environmental applications. This includes the development of new bioprocesses and the use of genetically engineered microorganisms.

Process Automation and Data Analytics

With advances in technology, there is increasing use of process automation and data analytics in Chemical Engineering. This includes the use of artificial intelligence and machine learning to optimize processes and improve product quality and safety.

Advanced Materials

Chemical Engineering is playing a critical role in the development of advanced materials, such as nanomaterials and biomaterials, with applications in a wide range of industries, including electronics, medicine, and energy.


There is increasing use of digitalization in Chemical Engineering, including the use of digital twins and simulation software to optimize processes and improve product design and development.

Overall, the future of Chemical Engineering looks bright, with continued growth and innovation in the field. Chemical engineers will continue to play a critical role in addressing global challenges and developing new technologies and processes that improve our lives and the environment.

Frequently Asked Questions (FAQs)

Question: What does a Chemical Engineer do exactly?

Answer: Processes for manufacturing chemicals are created and designed by chemical engineers. To solve issues involving the manufacture or usage of chemicals, fuel, medications, food, and many other goods, chemical engineers use the concepts of chemistry, biology, physics, and math.


Question: Is chemical engineering a good career?

Answer: Students majoring in chemical engineering have a wide range of employment opportunities with international manufacturers who can provide excellent salaries.


Question: What is the highest salary of a Chemical Engineer?

Answer: 50 lakhs is the highest recorded compensation offered for a Chemical Engineer. 10% of workers in the top bracket make more than $34 lakhs annually. The top 1% earn an astounding 50 lakhs or more annually.


Question: What are the subjects of chemical engineering?

Answer: In Chemical Engineering you’ll be studying subjects like

  1. Heat Transfer
  2. Mass Transfer
  3. Fluid Mechanics
  4. Unit Operations
  5. Chemical Process Calculations
  6. Process Industries
  7. Process Design
  8. Chemical Reaction Engineering
  9. Transport Phenomena

Question: What is the main role of a Chemical Engineer?

Answer: Some typical activities of Chemical Engineers include designing and operating chemical reactors, developing new chemical products and processes, improving the efficiency and productivity of chemical plants, optimizing energy usage, and ensuring safety and environmental compliance.


Question: What is the scope of Chemical Engineering?

Answer: The scope of chemical engineering is quite broad, encompassing a range of industries such as petrochemicals, pharmaceuticals, food and beverages, polymers, materials, energy, environmental engineering, and many more. Chemical engineers work in various areas, including research and development, process design and optimization, process control and automation, plant design and construction, safety and environmental management, and product quality control.

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