1730 Btu per cubic ft
Ethane has a boiling point of −88 °C (−126 °F). The fuel value of ethane is 1730 Btu per cubic ft.
How do you calculate fuel value?
Fuel value (kJ/g) is defined as the amount of energy released per gram of fuel. The fuel value for methane is 55.5 kJ/g while that of glucose is 15.6 kJ/g. In this lab, the heat of combustion can be measured by a constant pressure calorimeter. The amount of fuel burned can be determined by difference in mass. Dec 10, 2012
What is the fuel value of ethanol?
26.8 kJ/g Exercise 1: Calculation of the fuel value of ethanol. Answer: 26.8 kJ/g. Volumetric fuel values are defined as the amount of energy generated by complete combustion of the fuel per unit volume (usually per mL or L).
What is heating value of a fuel?
The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it. ... It may be expressed with the quantities: energy/mole of fuel. energy/mass of fuel. energy/volume of the fuel.
Which fuel has highest calorific?
hydrogen Calorific value is nothing but the energy contained in a fuel or food, determined by measuring the heat produced by the complete combustion of a specified quantity of it. This is now usually expressed in joules per kilogram. Hence, hydrogen has the highest calorific value.

Why is ethanol not used as fuel?

Ethanol is also much more hygroscopic than gasoline, absorbing significant amounts of water from air. This is another potential cause of contamination in fuel systems and may make corrosion worse. In short, there are no fundamental reasons why ethanol can't be used.
Is ethanol a good fuel?
Overall, ethanol is considered to be better for the environment than petrol. Ethanol-fuelled vehicles produce lower carbon dioxide emissions, and the same or lower levels of hydrocarbon and oxides of nitrogen emissions. Jul 17, 2019
Which alcohol is the best fuel?
Here are the best alcohol stove fuels: Crown Alcohol Stove Fuel. Klean Strip Green Denatured Alcohol. HEET. 99% Isopropyl Alcohol. Iso-HEET.
What are the 3 types of fuel?
Fossil fuels principally consist of carbon and hydrogen bonds. There are three types of fossil fuels which can all be used for energy provision; coal, oil and natural gas. Coal is a solid fossil fuel formed over millions of years by decay of land vegetation.
Why hydrogen is not used as a fuel?
Hydrogen has the highest calorific value so it can be considered as the best fuel but it is highly inflammable so it is diificult to store, transport and handle so it is used as a fuel only where it is absolutely necessary. Jun 4, 2014
What is the heating value of charcoal?
Dried wood can give 4500 to 4770 Kcal/kg. In the case of charcoal, the heating value varies little around 7500 Kcal/kg.
Which food has highest calorific value?
Ethanol and fats have the highest amount of calorific value per gram i.e. 29 and 37 kilojoules per gram or 6.9 and 8.8kcal/g respectively and proteins and most carbohydrates both have about 17kJ/g or 4kcal/g.

Which fuel has lowest calorific value?

Biogas has the lowest calorific value among the given fuels. Calorific value means the amount of heat produced to burn 1 gram of fuel. Feb 22, 2020
Which is the cleanest fuel?
Natural gas Natural gas one of the safest and cleanest fuels available. It emits less pollution than other fossil fuel sources. When natural gas is burned, it produces mostly carbon dioxide and water vapor -- the same substances emitted when humans exhale.
Can a car run on 100% ethanol?
Most cars on the road today in the U.S. can run on blends of up to 10% ethanol, and ethanol represented 10% of the U.S. gasoline fuel supply derived from domestic sources in 2011. Some flexible-fuel vehicles are able to use up to 100% ethanol.
Is ethanol bad for engines?
Ethanol can cause several types of damage to the engine in your vehicle. Your vehicle's fuel intake components can be damaged. In addition, ethanol can cause damage to the fuel pump in your vehicle. ... Your engine can actually be destroyed if the ethanol content in the fuel you use is too high. Jan 13, 2014
Why is corn ethanol bad?
By driving up the price of food and gas and causing costly engine damage, corn ethanol has been bad news for consumers. ... What's more, burning corn ethanol in gasoline releases more benzene, a known carcinogen, and other toxic air pollutants that have been linked to asthma, bronchitis and other respiratory ailments. Feb 4, 2013

What are the disadvantages of ethanol fuel?

List of the Disadvantages of Ethanol It isn't as effective a fuel as traditional gasoline. ... It is a corrosive fuel. ... It requires a lot of cropland space. ... It is costly. ... Its use has resulted in a net emissions increase. ... It has altered food production principles. ... It is reliant on the quality of the growing season. Nov 9, 2017
Why is ethanol bad for small engines?
Ethanol will start to absorb water over time, leading to poor engine performance. E10 gas absorbs up to 50 times more water than standard gasoline. ... Simply put, it will dissolve plastic, rubber, fiberglass and much more, potentially causing serious problems to small engines.
What are the disadvantages of bioethanol?
Drawbacks of bioethanol include: The amount of arable land needed to grow the crops in order to produce a large amount of fuel is immense. ... There is large debate about the shift of crop use from food production to fuel production and the fear that it will impact the prices of food around the world. More items...
Can vodka be used as fuel?
If you're flirting with the notion of filling up your fuel tank with leftover vodka, please don't. But it is true that cars can – and do – rely on alcohol, specifically ethanol, for fuel. ... However, in places such as Brazil and the United States, the use of ethanol as fuel is far more widespread. Feb 11, 2014
Can alcohol be used as fuel for cars?
3.3 Usage of alcohol fuels as gasohol The 10% ethanol was blended with 90% gasoline is considered as Low-level ethanol blends like E10, it can be used in conventional vehicles. ... In spark ignition engines, alcohol fuel can run at a much higher exhaust gas recirculation rates and with higher compression ratios [16]. Nov 5, 2019

Can your car run on alcohol?

Alcohol has been used to fuel cars since the dawn of the modern automobile. Henry Ford's Model T was equipped for running on ethanol as well as gasoline. ... However, since alcohol has become a regular additive to gasoline, modern fuel systems have developed a much higher tolerance for the substance. Aug 31, 2012
Where is fuel found?
Coal, natural gas, and petroleum are all fossil fuels that formed under similar conditions. Today, petroleum is found in vast underground reservoirs where ancient seas were located. Petroleum reservoirs can be found beneath land or the ocean floor. Their crude oil is extracted with giant drilling machines. Oct 5, 2018
Which fuel is the ideal fuel to be used at home?
Natural Gas Natural Gas is as close as you can get to an ideal fuel. It requires minimal processing before use and it has high calorific value. Due to its gaseous state, it mixes with oxygen easily for more efficient combustion.
What is ideal fuel example?
For example, Compressed natural gas leaves almost no residue on burning. 4. Rate of Combustion: An ideal fuel must burn at constant/moderate rate. ... The SI Unit to Measure Calorific Value is J/kg. Fuels Calorific Value (J/kg) Coal 25000-33000 Petrol 45000 Kerosene 45000 Diesel 45000 4 more rows
Why are hydrogen engines a bad idea?
The biggest reason why hydrogen-combustion engines are no good? They create nitrogen oxide, which isn't good for people or the environment. Even though carbon isn't part of the hydrogen combustion process, NOx isn't a compromise as automakers look to zero-emission vehicles. Sep 5, 2019

Why Hydrogen cars are a bad idea?

The reason why hydrogen is inefficient is because the energy must move from wire to gas to wire in order to power a car. ... Once inside the vehicle, the hydrogen needs converted into electricity, which is 60% efficient. Finally the electricity used in the motor to move the vehicle is is around 95% efficient. Jun 4, 2020
Why don't we use fuel cells?
Hydrogen is only as clean as the energy used to produce it. ... Current hydrogen vehicles use fuel cells to convert the chemical energy to power. Fuel cells are very costly because they are complex and require expensive materials such as platinum. Oct 1, 2019
Why is net calorific value is less than gross calorific value?
Answer: The lower calorific value or Net calorific value (NCV) which supposes that the products of combustion contain the water of combustion to the vapor state. ... The higher calorific value or Gross calorific value (GCV) which supposes that the water of combustion is entirely condensed. Nov 19, 2016
How much CO2 is produced per kg of coal?
Fuel Specific CO2 emission (amount of energy basis) kgCO2/kWh Coal: Anthracite 0.37 Bituminous 0.28 18 more rows
What is calorific value of wood?
Typical calorific values of fuels Fuel Net CV by mass Energy density by volume Log wood (stacked - air dry: 20% MC) 14.7 5,200-7,400 Wood (solid - oven dry) 19 7,600-11,400 Wood pellets (10% MC) 17 11,000 Miscanthus (bale - 25% MC) 13 1,800-2,300 7 more rows

What is calorific value of protein?

Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.
What food has the most protein?
Protein foods lean meats – beef, lamb, veal, pork, kangaroo. poultry – chicken, turkey, duck, emu, goose, bush birds. fish and seafood – fish, prawns, crab, lobster, mussels, oysters, scallops, clams. eggs. dairy products – milk, yoghurt (especially Greek yoghurt), cheese (especially cottage cheese) More items... • Mar 12, 2020
How can I eat 3000 calories a day?
Depending on several factors, including your activity level and body size, a 3,000-calorie diet may help you maintain or gain weight. Whole, unprocessed or minimally processed foods, such as fruits, vegetables, whole grains, healthy fats, and lean proteins should make up the majority — if not all — of your diet. Aug 29, 2019
What is the calorific value of kerosene?
45000 Calorific Value of Fuel Fuel Calorific Value Of Fuel( Approximately) Diesel 45000 kerosene 45000 Petrol 45000 Methane 50000 5 more rows
How do you calculate calorific value?
Whether to lower calorific value can be found simply by subtracting latent heat of steam or both the latent heat and sensible heat in cooling from 100°C from the gcv. However, in literature, the ncv of the fuel is obtained by subtracting from the hcv the amount 2466 kJ/kg.
Which is the most popular kitchen fuel in India?
Condensed oil gas (LPG), advertised in compact chambers lights the fire in over 59% of urban Indian kitchens. Mar 29, 2019
Is considered a very clean fuel?
Clean fuel may refer to: A type of fuel used for transport; this can be biofuels that have low emission rates, such as ethanol or biodiesel biogas. Liquefied petroleum gas (LPG) is another example.
Which fuel is least cleanest fuel?
Natural gas, like hydrogen, is another fuel that burns cleanly; cleaner than both gasoline and diesel engines. Also, none of the smog-forming contaminates are emitted. Hydrogen and natural gas are both lighter than air and can be mixed together.
Which is better fuel coal or coke?
Coke is a better fuel because coke produces more heat on burning as compared to coal. Coke has higher calorific value than coal. When equal masses of coke and coal are bunt, coke produces more heat. Also when coke is burnt, smoke is not obtained whereas coal produces smoke on coal.
Which country is the largest producer of ethanol?
The United States Global production continues to increase. The United States is the world's largest producer of ethanol, having produced over 15.7 billion gallons in 2019. Together, the United States and Brazil produce 84% of the world's ethanol.
Is ethanol poisonous?
While ethanol is consumed when drinking alcoholic beverages, consuming ethanol alone can cause coma and death. Ethanol may also be a carcinogenic; studies are still being done to determine this. However, ethanol is a toxic chemical and should be treated and handled as such, whether at work or in the home. Apr 21, 2014
Can a car run on Everclear?
Yes you can. Everclear is an alcohol based liquid. However, a few modifications would have to be made.
Does ethanol make your engine run hotter?
Some people have reported engines overheating when ethanol blends are used, suggesting that ethanol burns "hotter." This is a bit mysterious since ethanol contains less energy per unit volume than gasoline, and the flame temperature of ethanol is more than 40°C cooler than gasoline. May 8, 2014
Does ethanol cause fuel decay?
Ethanol Causes Fuel Decay. High amounts of oxygen in ethanol blended fuels cause gasoline to decay faster, and if left standing for long periods of time, the decaying fuel leaves varnish and sludge deposits as depicted in these carburetor images.
Is it OK to put 10 ethanol in my car?
All gasoline engine vehicles can use E10. Currently, only flex-fuel and light-duty vehicles with a model year of 2001 or newer are approved by the EPA to use E15. Flex-fuel vehicles can use any ethanol-gasoline blends up to E85. Sep 28, 2020
How much corn does it take to produce 1 gallon of ethanol?
Through research performed at Cornell University, we know that 1 acre of land can yield about 7,110 pounds (3,225 kg) of corn, which can be processed into 328 gallons (1240.61 liters) of ethanol. That is about 26.1 pounds (11.84 kg) of corn per gallon.
Is ethanol better than petrol?
A gallon of ethanol contains less energy than a gallon of gasoline, resulting in lower fuel economy when operating your vehicle. The impact to fuel economy varies depending on the energy difference in the blend used. ... Ethanol also has a higher octane number than gasoline, which provides increased power and performance.
What are the advantages and disadvantages of corn ethanol?
8 Pros and Cons of Corn Ethanol Biodegradable. ... Improved Energy Balance. ... Lesser Greenhouse Gas Emissions. ... Great Oil Alternative. Effect on Fuel Consumption. ... Shipping and Exportation Issues. ... Environmental Hazards. ... Effect on Food Production. Sep 15, 2016
How clean is ethanol as fuel?
Ethanol can reduce pollution Ethanol and ethanol-gasoline mixtures burn cleaner and have higher octane levels than pure gasoline, but they also have higher evaporative emissions from fuel tanks and dispensing equipment. Dec 7, 2020
What are the pros of producing and burning ethanol?
Pros Greenhouse Gas Reduction - Corn-based ethanol reduces GHG emissions by 18% to 29% per vehicle mile traveled compared to petroleum-based fuels. Positive Net Energy Balance - Corn-based ethanol has a positive net energy balance of 1.06btu per gallon for 1.00btu of energy used without ethanol by-product credits. More items...
Is ethanol free fuel better?
While not as popular as the ethanol blends, pure gas may be preferable for older car engines, as well as boats, lawn mowers or other tools. Ethanol-free gas also gets better fuel economy. However, most drivers use the E10 or E15 blends, with 10-15% ethanol. That ethanol content only reduces gas mileage by around 5%. May 6, 2019
What is the best fuel for small engines?
It's best to use ethanol-free gas in small engines. If you do decide to use ethanol, don't use a fuel that is more than 10% ethanol (E10), and be sure to add fuel treatment to prevent the fuel from separating.
Is premium gas better for small engines?
Small engines have low compression ratios, meaning they won't likely benefit from anything special in the gas like a higher octane rating. Some premium fuels may actually make your equipment harder to start. So save your money and use regular gas. Apr 9, 2013
How long does bioethanol fuel last?
4 hours The length that bioethanol fuel lasts varies on the settings in which you are burning the fuel. Usually, one litre of bioethanol fuel will last for 4 hours if it is burning on the maximum heat setting. However, if you burn the bioethanol fuel on a minimum setting then the fuel can burn for up to 8 hours. Nov 13, 2019
How warm are bioethanol fires?
However, what we can say is that an Imagin Bioethanol fireplace will heat an average sized living room by around 3 to 5 degrees. This is approximately the same as having an electric heater on a medium setting. You can of course adjust many of the Biofires so that the flame is larger or smaller.
Do bioethanol fires cause condensation?
Will a bioethanol fireplace cause condensation on my windows? ... The fire must be used in a room which has adequate ventilation like a window or air vent. Factors which cause condensation in rooms are: Poor Quality Bio-Fuel.