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It is expected that after the use of the sixth stage oil, the emission of particulate matter in gasoline vehicles will be reduced by 10%, and the non-methane organic gases and nitrogen oxides will generally achieve an emission reduction rate of 8-12%; the nitrogen oxides in diesel vehicles will decrease by 4.6. %, particulate matter decreased by 9.1%, total hydrocarbons decreased by 8.3%, and carbon monoxide decreased by 2.2%.
Continuous improvement of vehicle fuel quality is one of the important measures to reduce vehicle pollution emissions. The improvement of the fuel quality of the vehicle not only ensures the normal use of the new car, but also improves the conversion efficiency of the purifier, so that all the emissions in the vehicle are greatly reduced. In 2004, 2005, 2008 and 2012, the city took the lead in implementing the second, third, fourth and fifth stage local oil standards.
A flat thunder, oil upgrades and strong voices, Beijing six standards strong release, compared with the current Beijing-Visi diesel standard, in the latest Beijing-Six standard, car gasoline, vehicle diesel has eight highlights, and on the diesel standard The four highlights can be said to give alternative energy development opportunities. Is the spring of alternative energy coming?
In the standard, more stringent requirements are imposed on multiple indicators in diesel fuel. The following is a detailed analysis:
1. Indicator requirements and test methods for the new standard:
Second, the content of polycyclic aromatic hydrocarbons is not more than 11% (mass fraction) of the national five standard and is not more than 7% (mass fraction). Polycyclic aromatic hydrocarbons have chemical carcinogenicity, phototoxic effects, etc., and have strong teratogenic, carcinogenic and mutagenic effects. Polycyclic aromatic hydrocarbons in diesel fuel increase the flame temperature, thereby increasing the amount of nitrogen oxides (NOx) produced and emissions, so it is necessary to limit the content of polycyclic aromatic hydrocarbons in diesel.
Third, add detergent to diesel. In order to reduce nozzle clogging, it is necessary to add detergent to the diesel oil to suppress or eliminate the coking of the engine nozzle.
4. According to the changes in the oil refining process, the density, kinematic viscosity, flash point and other indicators of the vehicle diesel are adjusted. Modified density (20 °C) "No. 5, No. 0, No. -10 is 820 kg/m3 ~ 845 kg / m3, No. -20, -35 is 800 kg / m3 ~ 840 kg / m3"; modify the moving viscosity (20 ° C "5, 0 is 2.5 mm2 / s ~ 7.5 mm2 / s, -10, -20 is 2.0 mm2 / s ~ 7.5 mm2 / s, -35 is 1.5 mm2 / s ~ 6.5 mm2 / s" ; Modify the flash point (closed) "No. 5, No. 0, No. -10 is not lower than 60 ° C, No. -20, -35 is not lower than 55 ° C".
5. Technical requirements and test methods for increasing B5 vehicle diesel. This regulation is the most direct benefit of domestic biodiesel. Description of the regulations: In order to steadily promote the application of biodiesel, based on the existing national standard, combined with the requirements of the six-stage index, B5 vehicle diesel is added to the diesel standard of the vehicle (1%~5% biodiesel and 95 The technical requirements and test methods for the blending fuel of %~99% petroleum diesel are applicable within a certain range. Jingji Standard Vehicle Diesel can be described as a kind of cardiotonic agent for the biodiesel industry that is currently developing in the downturn.
At present, the development of China's biodiesel industry suffers from shortcomings in raw material procurement, no subsidies in production, and clogging of downstream sales channels. The downstream sales link is a problem that directly restricts industrial development. The standard mentioned in this standard has a greater impact on the development of the company. From the data point of view, the apparent consumption of diesel in Beijing in 2015 was about 1.95 million tons. If the ratio is 5%, the demand for biodiesel is 97,500 tons. Biodiesel production is only 450,000 tons, and the demand for single Beijing accounts for 21.6% of the country. If the sub-standard national implementation, then the national biodiesel demand gap of up to 8.5 million tons / year, the biodiesel industry will usher in a milestone.
However, in the current regulations, the B5 standard is not marked as mandatory mixing, but the reference is applicable within a certain range. Therefore, how to deal with it in the later stage requires more detailed regulations.
At the same time, it is worth mentioning that in the case of increasing biodiesel, considering the development trend of coal-to-liquids, the concept of coal-based diesel for diesel is introduced in the “scopeâ€, and it is proposed to amend to “this standard applies. Automotive diesel fuels used in compression-ignition diesel engine vehicles, made from petroleum, made from coal, or supplemented with performance-enhancing additives, are also suitable for automotive diesel fuels that use biodiesel as a blending component. Therefore, for the coal-to-liquids industry, with the upgrading of diesel standards in the future, coal-based diesel will also join the ranks of the national standard army, but only relevant provisions have been made in the scope of use. For the current coal-to-liquids industry in China, Has a greater impact. China's rich coal and less oil, coal-to-liquids industry is currently facing a situation of high cost and low profit, and its sales are mostly in the field of reconciliation. In the later period, there are special regulations to support downstream sales, and the industrial chain will be maximized. At a deeper level, China's energy structure transformation will also help.
Is the spring of the Beijing-Beijing standard officially releasing biodiesel coming?
In order to further strengthen motor vehicle emission pollution control and improve air quality, Beijing will be in accordance with the requirements of Beijing Clean Air Action Plan 2013-2017 and Beijing-Tianjin-Hebei Air Pollution Prevention and Control Measures (2016-2017). The sixth phase of the vehicle fuel standard will be implemented from January 1, 2017.