Liquid fuels, Biology

Petroleum

Liquid fuels are widely used for industrial and domestic purposes. Almost all internal combustion engines run on liquid fuels. Liquid fuels are also used in heat generation in ovens and furnaces. The largest source of liquid fuels is petroleum. It is also called mineral oil. Products are obtained from the refining of crude oil.

Petroleum or crude oil is a dark greenish brown or black viscous and inflammable oil found in earth's crust. It is formed from organic matters like animals, vegetable etc. buried by sand. These matters get decayed and decomposed under reducing conditions and due to increased pressure and temperature. The main constituents of petroleum are paraffins, cycloalkanes, aromatic hydrocarbons, and small amount of other compounds containing S, N and O. approximately C = 80 - 87%; H = 11 - 15%; N = 0.4 - 0.9%; S = 0.1 - 3.5%; O = 0.1 - 0.9%.

Advantage and disadvantages in using liquid fuels

Advantages

1.      Liquid fuels are free from ash is clean.

2.      It requires less excess air for combustion.

3.      Combustion can be controlled and can be used as an economic fuel.

4.      Storage and handling of liquid fuels is easy. Oils can be stored in tanks and can be handled with plums (economic).

5.      Storage space required is less compared to solid or gaseous fuel.

6.      The thermal efficiency of liquid fuels is higher than that of solid fuels.

Disadvantages

1.      It is more costly than solid fuels.

2.      Due to high volatility and inflammability, it causes fire hazards.

3.      Greater care must be taken to store them in closed containers.

4.      The liquid fuels which contain high carbon and aromatic content may produce smoke.

Posted Date: 7/12/2012 5:18:02 AM | Location : United States







Related Discussions:- Liquid fuels, Assignment Help, Ask Question on Liquid fuels, Get Answer, Expert's Help, Liquid fuels Discussions

Write discussion on Liquid fuels
Your posts are moderated
Related Questions
The fact that some pure solutions of hydrocarbons do not readily evaporate at room temperature is a result of Select one: a. London dispersion forces. b. The hydrophobic effe

Aeration is the process on which water and air come into contact. It is carried out by spraying water in the form of spray or fountain over air. Aeration achieves the following obj

Q. What is the difference between primary ecological succession and secondary ecological succession? The Primary ecological succession is the changing sequence of communities f

Define Altered Fat Metabolism - Nutrition during Stress? Fat is the major fuel oxidized in infected patients. If nutrition support is inadequate, the peripheral fat stores are

Q What are the retroviruses? How do they reproduce and what is the role of the enzyme reverse transcriptase? Retroviruses are viruses whose genetic material is RNA, HIV and the

Q. Why does the ingestion of alcohol increase diuresis? Alcohol inhibits the secretion of ADH that is antidiuretic hormone by the pituitary that is why when it is drunk to exce

Define Regulation and Excretion of sodium and chloride? Renal excretion and retention of these elements is closely regulated. The total content of body sodium especially the co

Pelagic Zone - Organisation of the Marine Ecosystem The waters contained in the sea basin, constitute the pelagic zone which is divided into The neritic zone situ

1.      Road traffic:  of all the sources of noise pollution, road traffic is the most prevalent and perhaps the most damaging source of pollution. More people are exposed to noise

Q. Discuss the role of dental implants in orthodontic anchorage? The increasing popularity of dental implants has led to its use for orthodontic anchorage. Conventional means o