2014年2月18日星期二
Renewable Biodiesel Technology Analysis
Biodiesel is a real green diesel. According to the study of U.S. Energy Department, biodiesel is smaller than the human toxicity of salt, more easily degraded than sugar. Biodiesel technology reduces carcinogenic emissions than petroleum diesel 93.6%.
Biodiesel dioxide emissions from combustion plants are much lower than the growth process of carbon dioxide absorbed. Therefore, different from the use of different mineral diesel, the theoretical amount will not increase because it will reduce carbon dioxide emissions, which can alleviate the effects of global warming, major environmental problems of human existence.
As renewable energy, unlike oil, biodiesel technology can be obtained through the effects of agricultural and biological scientists. With guaranteed supply of raw materials, biodiesel price is very stable.
As the result of guaranteed supply of raw materials, biodiesel is available at stable price on the market. Biodiesel as fuel oil supply has no control by OPEC, which is more conducive to the stability and development of the international oil market.
Biodiesel technology is typical green energy developing technology. The energy consumption for biodiesel product is only 25% of petroleum diesel. This advanced technology can significantly reduce combustion emission. Biodiesel is non-toxic and biodegradation rate can reach as high as 98%. Biodiesel has faster biodegradation speed at least two times than petroleum diesel.
The plant producing biodiesel can also improve soil condition, protect environment, and reduce soil erosion. The biodiesel technology using caster waste oil, high acid oil, animal and vegetable oil can reduce possibility of waste oil re-entering into the edible oil system.
2014年2月15日星期六
Development of Biodiesel Technology
Biodiesel, also known as fatty acid methyl esters (Fatty Acid Ester) uses the fruit of plants, seeds, vegetable oils or animal fat milk ducts, waste cooking oil and others as materials. It is obtained by lactide reaction (Transesterification reaction) with alcohols (methanol, ethanol).
German engineer Dr. Rudolf Diesel (1858-1913) first mentioned the concept of biodiesel. Biodiesel refers to the use of various types of plant and animal fats as raw materials, and alcohols such as methanol or ethanol etherification reaction modified after delivery to make biodiesel eventually become available for use in internal combustion engine kinds of fuel. Biodiesel as a renewable energy source, due to its highlight advantages of high cetane number, nontoxic, sulfur-free, renewable and biodegradable, which is becoming a hot topic in the closely watched study.
Advantage of biodiesel while comparing with fossil diesel:
● Higher cetane number of more than 49 (petroleum diesel is 45). Anti-knock performance of biodiesel is better than petroleum diesel.
● Oxygen content of biodiesel is higher than petroleum diesel with up to 11 %. Smaller amount of oxygen required for the combustion process comparing with petroleum diesel. Biodiesel has better combustion, ignition performance than petroleum diesel.
● Aromatic hydrocarbons contain carcinogenic ingredients rather not sulfur, lead, halogen and other harmful substances.
● Biodiesel has no need of diesel engine modification, which can be added directly to use.
Flash point of biodiesel is higher than petroleum diesel, which is conducive to the safe transport and storage.
● Biodiesel is paraffin -free, low-temperature fluidity, widely applicable area.
Biodiesel is a typical "green energy", the energy consumption for biodiesel production is only 25% of petroleum diesel production. It can significantly reduce combustion emissions. Biodiesel is non-toxic, and bio-degradation rate reaches 98%. The biodiesel bio-degradation rate is 2 times faster than petroleum diesel. The production of biodiesel can improve soil applied, ecological protection, and reduce soil erosion. The utilization of catering waste oil biodiesel can reduce waste oil directly into the environment or re-entering the edible oil system, which has a greater environmental values and social value.
Summary: Biodiesel is a typical "green energy". It can significantly reduce combustion emissions. Biodiesel is non-toxic, and bio-degradation rate reaches 98%.
German engineer Dr. Rudolf Diesel (1858-1913) first mentioned the concept of biodiesel. Biodiesel refers to the use of various types of plant and animal fats as raw materials, and alcohols such as methanol or ethanol etherification reaction modified after delivery to make biodiesel eventually become available for use in internal combustion engine kinds of fuel. Biodiesel as a renewable energy source, due to its highlight advantages of high cetane number, nontoxic, sulfur-free, renewable and biodegradable, which is becoming a hot topic in the closely watched study.
Advantage of biodiesel while comparing with fossil diesel:
● Higher cetane number of more than 49 (petroleum diesel is 45). Anti-knock performance of biodiesel is better than petroleum diesel.
● Oxygen content of biodiesel is higher than petroleum diesel with up to 11 %. Smaller amount of oxygen required for the combustion process comparing with petroleum diesel. Biodiesel has better combustion, ignition performance than petroleum diesel.
● Aromatic hydrocarbons contain carcinogenic ingredients rather not sulfur, lead, halogen and other harmful substances.
● Biodiesel has no need of diesel engine modification, which can be added directly to use.
Flash point of biodiesel is higher than petroleum diesel, which is conducive to the safe transport and storage.
● Biodiesel is paraffin -free, low-temperature fluidity, widely applicable area.
Biodiesel is a typical "green energy", the energy consumption for biodiesel production is only 25% of petroleum diesel production. It can significantly reduce combustion emissions. Biodiesel is non-toxic, and bio-degradation rate reaches 98%. The biodiesel bio-degradation rate is 2 times faster than petroleum diesel. The production of biodiesel can improve soil applied, ecological protection, and reduce soil erosion. The utilization of catering waste oil biodiesel can reduce waste oil directly into the environment or re-entering the edible oil system, which has a greater environmental values and social value.
Summary: Biodiesel is a typical "green energy". It can significantly reduce combustion emissions. Biodiesel is non-toxic, and bio-degradation rate reaches 98%.
“Green Energy” - Biodiesel Technology
Biodiesel as a renewable resource, which has been mentioned more and more countries and research into production. With the energy crisis and worsening environmental pollution, biodiesel technology is highly valued nearly in any corner of the world.
Why people begin to develop biodiesel technology?
Along with the depletion of fossil fuels and increasingly serious environmental pollution, searching for new energy such as biodiesel to substitute original resources caused by energy crisis worldwide is an inevitable trend. Biodiesel (Biodiesel) refers to various oil crops , wild oil plants, oil and other food as raw material, made by transesterification process to make organic fuels using fatty acid esters, is typical of the "green energy".
How to obtain biodiesel by chemical method?
Biodiesel is currently produced mainly by a chemical , i.e. animal and vegetable fats and ethanol, a lower alcohol such as methanol or transesterification of an acid or basic catalyst and a high temperature (230 ~ 250 ℃) under ( transesterification ) reaction of corresponding fatty acid methyl or ethyl ester , washed and dried to obtain the biodiesel. The biodiesel manufacturing processing line is the same as common oil processing lines. The biodiesel process can produce about 10% of the by-product glycerol.
What are the advantages of biodiesel?
Biodiesel as a renewable energy source, due to high cetane number, nontoxic, sulfur-free, renewable and biodegradable highlight advantages, which is becoming a hot topic in the closely watched study. Biodiesel has good environmental, safety, and good low temperature start, flammability, and good lubricity and other advantages.
Currently the world’s more than 85% biodiesel technology is processing from edible oil as raw material, despite disadvantages such as high production costs at this stage. Biodiesel can effective alleviate the tight suply situation of petroleum diesel through the rational development and utilization. Therefore, biodiesel has great potential for development. It is playing a very important part in ensuring oil security, ensuring the ecological environment and promoting the development of agriculture and manufacturing, improving farmers' income, etc. There are a wide range of sources of raw materials for biodiesel, such as rapeseed oil, cottonseed oil, soybean oil, peanut oil, corn oil, lard, tallow, algae oil, waste oil and other food and beverage industry.
Along with the depletion of fossil fuels and increasingly serious environmental pollution, searching for new energy such as biodiesel to substitute original resources caused by energy crisis worldwide is an inevitable trend. Biodiesel (Biodiesel) refers to various oil crops , wild oil plants, oil and other food as raw material, made by transesterification process to make organic fuels using fatty acid esters, is typical of the "green energy".
How to obtain biodiesel by chemical method?
Biodiesel is currently produced mainly by a chemical , i.e. animal and vegetable fats and ethanol, a lower alcohol such as methanol or transesterification of an acid or basic catalyst and a high temperature (230 ~ 250 ℃) under ( transesterification ) reaction of corresponding fatty acid methyl or ethyl ester , washed and dried to obtain the biodiesel. The biodiesel manufacturing processing line is the same as common oil processing lines. The biodiesel process can produce about 10% of the by-product glycerol.
What are the advantages of biodiesel?
Biodiesel as a renewable energy source, due to high cetane number, nontoxic, sulfur-free, renewable and biodegradable highlight advantages, which is becoming a hot topic in the closely watched study. Biodiesel has good environmental, safety, and good low temperature start, flammability, and good lubricity and other advantages.
Currently the world’s more than 85% biodiesel technology is processing from edible oil as raw material, despite disadvantages such as high production costs at this stage. Biodiesel can effective alleviate the tight suply situation of petroleum diesel through the rational development and utilization. Therefore, biodiesel has great potential for development. It is playing a very important part in ensuring oil security, ensuring the ecological environment and promoting the development of agriculture and manufacturing, improving farmers' income, etc. There are a wide range of sources of raw materials for biodiesel, such as rapeseed oil, cottonseed oil, soybean oil, peanut oil, corn oil, lard, tallow, algae oil, waste oil and other food and beverage industry.
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