OIL IV: OIL DERIVATIVES

Plastics, cosmetics, asphalt, medicines, synthetic fabrics are some examples of by-product applications originated in oil distillation. Get to know now what these products are and their functionality in the most diverse industrial areas. We have seen in previous episodes that oil can be found at the bottom of the oceans as well as in the[…]

OIL III: OBTAINING AND REFINING PROCESS

As we saw in the previous episode, oil formation is characterized by the accumulation of organic material under specific conditions of pressure and isolation in sediment basin layers, undergoing transformations for thousands of years. In this episode, we will deepen our series so that we know the ways to obtain and refine this product. Having[…]

OIL II: ORIGIN AND CHEMICAL COMPOSITION

Chemistry is the essence of life, we all know. She is present in everything around us! However, it is also present in petroleum, giving it particular and important characteristics for its handling. We will present here the origin and essence of this eminent product. From Latin petra (stone) and oleum (oil), petroleum is an oily,[…]

UNIT OPERATIONS IV: MASS TRANSFER

We learned that heat is transferred if there is a temperature difference in a medium. Similarly, if there is a difference in the concentration of any chemical species in a mixture, mass transfer must occur. Mass transfer is mass in transit as a result of a difference in concentrations of a species in a mixture.[…]

UNIT OPERATIONS II: MECHANICAL OPERATIONS

In chemical engineering and its related fields, a unit operation is a basic step in a process. For this reason they can be classified in different ways. The first category assigned to UOs is mechanical operations. What they are, what their roles are, and what contexts they fall into, you will know in this episode.[…]

UNIT OPERATIONS III: HEAT TRANSFER

Heat transfer (or heat) is energy in transit due to a temperature difference. Whenever a temperature difference exists in a medium or between media, heat transfer will occur. This is the case in the unitary operations of this classification in the industries as a whole. Shall we delve into them? The study of unitary operations[…]

UNIT OPERATIONS I: INTRODUCTION TO UNIT OPERATIONS

In an industry, starting from the raw material until reaching the final product, a series of processes must occur, some of them chemical and others of a physical nature. Thus each of the sequential steps in an industrial production line is known as a “unit operation”. In this episode, we will learn a little more[…]

COSMETICS IV: THE TECHNOLOGY OF COSMETICS

Technological cosmetics, with unique and tailor-made formulas, have become the main focus in the industries of this branch. The pursuit of beauty and youth generates ever greater demands! Therefore, it is necessary for industries to invest in means to please their customers. And in this, technology has been helping in this process, bringing very positive[…]

COSMETICS II: CLASSIFICATIONS AND APPLICATIONS OF COSMETICS

Today cosmetics are seen as an essential product. Our daily life is full of toiletries and beauty. And beauty care is not an exact science, but if the correct sequence of cosmetic application is followed closely, there can be great chances of maximizing the effect of the products. For this you need to understand how[…]

COSMETICS III: RAW MATERIALS AND COSMETIC PRODUCTION PROCESS

The desire to look more beautiful, disguise the age or the simple concern for health and well-being moves thousands of cosmetic products every day. But do you know what they are made of and how they are produced? In this text we will talk about the raw materials and processes used in the manufacture of[…]

BEER V: TYPES OF BEER

In the brewing process there are important steps, but what stands out most is the choice of the type of fermentation through which the beverage passes. Starting from this assumption, from the fermentation it is possible to obtain different types of beers. Currently, they are divided into three large families and family is very important,[…]

SCIENCE OF MATERIALS III: THE ADHESIVES

Now that we have seen how the chemistry of the material can interfere with its properties and we have already talked about glass and non-stick materials, we will see the other side. When you need to attach two surfaces together, what do you use: glue or tape? How do you base your choice of which[…]

SCIENCE OF MATERIALS II: ANTI-ADHERENT MATERIALS

Now that we have seen how the chemistry of the material can interfere with its properties and we talk about the glass, let’s talk about so-called nonstick materials, that is, those that prevent the egg you make in the morning in the frying pan do not stick on it. Non-stick materials are characterized by low[…]

SCIENCE OF MATERIALS I: THE GLASS

The way molecules organize themselves structurally into a material determine many of the characteristics and properties of a material, including features such as transparency and mechanical properties. This is a very lengthy subject and one that can also be complex. Therefore, in this series of texts we will talk about some examples of our daily[…]

THERMODYNAMICS III: STUDY CASE OF THE PRODUCTION OF SOLVENT FOR PAINTS

Now that we know why thermodynamics is so important for the design of industrial processes and the parameters that must be taken into account in the development of modern thermodynamic models, we will see, without going into details of thermodynamic models, but in a very practical way, a example of how thermodynamics helps in establishing[…]

THERMODYNAMICS II: PARAMETERS FOR INDUSTRIAL PROCESSES DESIGN

Thermodynamics, which determines the interaction between different compounds, can not be overlooked when designing equipment and establishing the different stages of an industrial process. In the design of industrial processes, the understanding of the thermodynamic properties and interaction between the compounds is especially important in separation processes, since these usually represent a good part of[…]

THERMODYNAMICS I: EVERYWHERE

Before we understand how thermodynamics affects industrial processes and how their understanding is fundamental in process design, let’s look at some basic day-to-day phenomena in which thermodynamics is present and often goes unnoticed. That Thermodynamics is everywhere, that every Chemical Engineer already knows, even those who suffer from the matter in college. Thermodynamics is a[…]

PROCESSES CONTROL IN THE CHEMICAL INDUSTRY

Until the 1940s of the last century, manual operation required a very large number of operators. Large tanks were also employed among various units in the plant, to cushion disturbances. The digitalization of control occurred in the 1970s with the advent of digital computers. Currently, operators, controllers, indicators, registers and alarms are in the control[…]

THE IMPORTANCE OF INDUSTRIAL CLEANING

Industrial cleaning is essential for the environment and for the comfort of the people who are there, because health is directly related to the quality of the hygiene performed. In addition, compliance with this action maintains the proper functioning of the machines present in the place, avoiding their premature wear. Therefore, many companies have invested[…]

SUSTAINABILITY IN CHEMICAL ENGINEERING

It has never before been discussed so much about the environment and sustainability, serious climate change, the misuse of nonrenewable resources, among other actions that are factors of great environmental concern as currently. The Chemical Engineer can contribute significantly in this field. The social demands in relation to the engineering area are based on the[…]

THE IMPORTANCE OF MEJ TO THE CHEMICAL ENGINEERING STUDENTS

The junior company movement appeared in 1967 in France and came to Brazil in 1988. MEJ’s purpose is the search for a Brazil Entrepreneur. We work every day to train people who are committed and capable of transforming Brazil through the realization of more and better projects. Its values, commitment to results, synergy, pride of[…]

PERFUME CHEMISTRY III: PROCESS FINISHING

After the extraction of the essential oils, the base of the perfumes, come the later stages, to obtain the aroma and also the different types of perfumes. After all, producing perfumes is an art! Let us know in more detail these final stages of obtaining the perfume. We will now talk more about the final[…]

CHEMISTRY OF PERFUMES II: THE ESSENCE OF ESSENCES

Now that we already have an overview of the process of producing perfumes, how about knowing in more detail each stage of the process? In this text, we will talk about the first stage, which is the basis for the production of the aroma, the extraction of the essential oils. Now that we have an[…]

JUNIOR COMPANY MOTION (MEJ) – WHAT IT IS? AND HOW IT WORKS?

The Junior Company Movement (MEJ) emerged in France in 1967, according to the European Confederation of Junior Companies (JADE), Junior Enterprise (EJ) is a non-profit association formed and managed exclusively by undergraduate students, for companies, institutions and society, under the guidance of teachers and professionals with the objective of consolidating and reinforcing the learning of[…]