On November 11, 2012, the 3-day China (Chengdu) New Energy International Summit and Exhibition opened in Chengdu.
"Ditch oil" turned into a clean and environmentally friendly biodiesel. Corn stalks, sawdust, and bark that people regarded as garbage can be replaced by coal after being processed by machines. It looks like a piece of glass, but it is actually a thin film solar cell ... The new energy products of life attracted the attention of the participating representatives and the citizens. Everyone marveled, "It turns out that new energy is all around us!"
Biodiesel-low cost and more environmentally friendly
A bottle of dark-brown "ditch oil" can produce a bottle of light yellow biodiesel after a simple chemical reaction. According to reports, biodiesel is a fatty acid methyl ester produced by the reaction of "floor oil" and vegetable and animal fats produced from kitchen waste with methanol. It is similar in nature to ordinary petrochemical diesel and is widely used as a green alternative energy source around the world On diesel internal combustion engines. It has the advantages of high oxygen content, low clean emission, good lubricity, safe use, and renewable. It can be used alone or as a cleaning additive for petrochemical diesel without modifying the diesel internal combustion engine. It is reported that, because of its high oxygen content, biodiesel has higher combustion performance than petrochemical diesel.
"In addition, the cost of biodiesel is lower. One ton of biodiesel is about 1,000 yuan cheaper than petrochemical diesel, and it can reduce pollutant emissions by 40% compared with the use of petrochemical diesel alone." The representative of the exhibitor said that the development of biodiesel has Petrochemical products, reduce the energy crisis, reduce environmental pollution, and solve the great social significance of food safety.
Biomass particles-calorific value comparable to coal
An exhibitor's booth displayed biomass particles with different diameters, smooth appearance, and highly compressed inside, but these seemingly inconspicuous biomass particles have a combustion efficiency of more than 90% of coal. According to reports, these biomass particles are produced by crushing plant straws, grain shells, peanut shells, wood chips, sawdust, bark, wood scraps, household garbage and other materials.
"The calorific value of coal is between 5300 and 5400 kilocalories per kilogram, while the calorific value of biomass pellets can reach 4800 to 4900 kilocalories per kilogram, especially the calorific value of peanut shells, which can reach more than 90% of charcoal. The representative of the exhibitor said that the biomass pellet fuel has high purity and does not contain other debris that does not generate heat. It can replace coal and has the characteristics of high energy, environmental protection and convenient use.
Neutron irradiator-precise "missile" for cancer treatment
At the exhibition, a new technology that uses neutron capture to treat cancer has attracted strong public attention. Visitors listened carefully to the explanation of the person in charge of the exhibitors around the model of treating brain cancer through the neutron irradiation device, and from time to time issued a strange sound.
According to reports, the treatment method is to apply a highly targeted boron-containing compound to cancer cells and retain them, and then irradiate with thermal neutrons to cause the fission of the boron nucleus. The nuclear reaction produces about 2.3 million electron volt fission energy. It acts on cancer cells of about 10 microns, completely destroying its genetic chain structure, making it unable to repair and die, and the surrounding normal cells do not contain boronated drugs, so they are not harmed by neutron irradiation. "Unlike traditional radiochemotherapy, neutron capture therapy is like launching a precise" guided missile ". After one or two exposures, it directly destroys cancer cells and ensures normal cells are not damaged." The person in charge told the reporter vividly.
Amorphous silicon solar cell-can also generate electricity in Chengdu
A number of amorphous silicon solar cells were placed around the booth of a solar energy company. If it were n’t for the junction box on the back or side, it really thought it was a few pieces of glass. According to reports, this amorphous silicon solar cell is the second-generation new product of crystalline silicon solar cells, which overcomes the defect that the first-generation solar cells cannot generate electricity after partial shielding. In the same power solar cell array, amorphous silicon solar cells It generates 10% more electricity than single-crystal silicon and polycrystalline silicon batteries.
"Another feature of amorphous silicon solar cells is better low-light performance, even in areas with poor lighting like Chengdu." The representative of the exhibitor told reporters that a 100-watt amorphous silicon solar cell After 4 hours of illumination, it can produce half a degree of electricity, even in Chengdu can produce 0.2 to 0.3 degrees of electricity.
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