catalytic cracking presentation

1. What is catalytic cracking process?
2. What conditions are needed for catalytic cracking?
3. How does the cracking process work?
4. What is the advantage of catalytic cracking over thermal cracking?
5. What are the two types of cracking?
6. What is the difference between hydrocracking and catalytic cracking?
7. What are the two sections of the fluid catalytic cracking process?
8. Which is the most effective catalyst used in catalytic cracking of petroleum products?
9. Why is broken porcelain used in cracking?
10. What is the purpose of cracking?
11. What is the importance of cracking?
12. What are the products of catalytic cracking?

What is catalytic cracking process?

Catalytic cracking is an important process in the oil industry where petroleum vapor passes through a low-density bed of catalyst, which causes the heavier fractions to 'crack' producing lighter more valuable products. ... These are pockets of gas moving upward through the bed.

What conditions are needed for catalytic cracking?

Catalytic cracking is done at 450 degrees Celcius and only just above atmospheric pressure. The catalyst we use is called a zeolite. This is an ionic compound containing aluminium, silicon, and oxygen. You tend to get molecules containing benzene rings and short hydrocarbons.

How does the cracking process work?

Cracking, in petroleum refining, the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure and sometimes catalysts. Cracking is the most important process for the commercial production of gasoline and diesel fuel.

What is the advantage of catalytic cracking over thermal cracking?

Catalytic cracking yields a higher quantity of branched-chain, unsaturated, aromatic hydrocarbons as compared to thermal cracking. Catalytic cracking is a better-controlled process than thermal cracking. Petrol obtained by catalytic cracking has lesser sulfur content.

What are the two types of cracking?

Cracking is primarily of two types – thermal cracking and catalytic cracking. Thermal cracking is further categorised into modern thermal cracking and steam cracking. On the other hand, sub-classifications of catalytic methods of cracking are hydrocracking and fluid catalytic cracking.

What is the difference between hydrocracking and catalytic cracking?

The basis of catalytic cracking is carbon rejection, while hydrocracking is a hydrogen addition process. Catalyst cracking uses an acid catalyst, while hydrocracking uses a metal catalyst on acid support. Another differnce is that catalyst cracking is an endothermic process while hydrocracking is an exothermic process.

What are the two sections of the fluid catalytic cracking process?

What are the two sections of the fluid catalytic cracking process? Explanation: Reactor is used for cracking process and regenerator for regeneration of catalyst. 5. How is the circulation regulated between the reactor and regenerator in FCC?

Which is the most effective catalyst used in catalytic cracking of petroleum products?

Thus, the reason for the development of the catalytic cracker over thermal units is because of the higher yield and quality of gasoline. Modern cracking uses zeolites as the catalyst. These are complex aluminosilicates, and are large lattices of aluminium, silicon and oxygen atoms carrying a negative charge.

Why is broken porcelain used in cracking?

As the porcelain chips are heated the vapour from the paraffin is 'cracked', or broken down into smaller hydrocarbons. ... Cracking them into smaller hydrocarbons makes them easier to use.

What is the purpose of cracking?

Cracking is a technique used in oil refineries whereby large and complex hydrocarbon molecules are broken down into smaller and lighter components that are more useful for commercial or consumer use. Cracking is a critical stage in the process of refining crude oil.

What is the importance of cracking?

Why is cracking so important? For two key reasons, cracking is important: It helps balance the availability of fractions with the demand for them. When cracking transforms bigger hydrocarbons into smaller hydrocarbons, the fuel supply is increased. That helps to balance demand with supply.

What are the products of catalytic cracking?

Fluid catalytic cracking produces a high yield of petrol and LPG, while hydrocracking is a major source of jet fuel, Diesel fuel, naphtha, and again yields LPG.