China National Diesel Engine IV Emissions and SCR Technology Application Forum Held in Nanjing

On August 16th, 2011, the summit forum on IV emission and SCR technology application for diesel commercial vehicles was held in Nanjing, Jiangsu. Government agencies, industry experts, vehicle companies, and engine companies represented more than 200 bus companies and sanitation systems from across the country. Relevant user representatives gathered together and had a lively discussion on the hot topic of the forthcoming commercial vehicle IV emission standards for manufacturers and users. The editor-in-chief of China Truck Network Mr. Wu Yongqiang presided over the meeting. forum.

National IV Diesel Emissions and SCR Technology Application Forum


China Truck Net Editor Wu Yongqiang


China Internal Combustion Engine Association Secretary-General Wei Anli

Wei Anli, secretary-general of China Internal Combustion Engine Association, said at the meeting that the government attached great importance to the emission of diesel commercial vehicle IV, had already advanced the guidance of China's internal combustion engine industry on energy-saving and emission reduction, implemented an energy-saving technology research and development project, and the fuel consumption rate of internal combustion engine products. Limits and measurement standards, laws and regulations will impose strict requirements on the entire vehicle and engine internal combustion engine companies, and make correct guidance on fuel consumption and emission contradictions that are of common concern to each other. Enterprises can no longer “look for loopholes” and regulations must meet double standards after promulgation. Combine the reduction of fuel consumption with the compliance of emission standards and achieve national IV emissions.

On-site seminar on diesel IV commercial emission IV and SCR technology application forum


User representative asks experts

The entire vehicle and engine plant also expressed their views on the diesel IV commercial vehicle emission and SCR technology. It is believed that the implementation of SCR and post-processing technology by the State IV will be the mainstream technology and implementation method after the implementation of the regulations in 2012, and also stated that the national government is While considering the implementation time of the emission standards, specific conditions should also be taken into account, which can provide more adequate preparation time for the implementation of State IV.

Users carefully read the content of the meeting

The users of the interactive session of the forum actively participated and actively asked questions. Representatives of public transport companies had sought help from participating experts on the exhausted system of the State IV vehicle for the vehicles they had already operated. After understanding the situation, the expert representative made suggestions on the issue.

Zhang Minying, senior expert and senior engineer of Shanghai Bus Group

Zhang Minying, a senior expert and senior engineer of Shanghai Bus Transit Group, said that the commercial vehicle IV standard is a good thing for the benefit of the country and the people. However, if it wants to speed up its progress in the industry, it needs to further reduce costs.

There are two main ways to reduce costs. The first is the localization of key consumables. Zhang Gong said that taking the Shanghai Bus Group as an example, the performance of the domestically produced AdBlue solution of vanillin used on the new car of the State IV is in full compliance with the AdBlue standard set by the German Association of Automobile Manufacturers, and the quotation is lower than the quotation from foreign suppliers. %. "If our future SCR catalyst and hardware system can also be domesticated, the overall cost of our national IV system will be much lower."

Commercial Vehicle IV Discharge and SCR Technology Application Forum Interactive Session

As for the second channel, Zhang Gong believes that it is still supporting the relevant national policies. "Environmental protection still requires cost. If there are national-level policies and financial support, the enthusiasm of depots and users will be higher." Zhang Gong expressed optimism about this prospect: “China is now the largest country emitting nitrogen oxides. The National Twelfth Five-Year Plan has explicitly proposed to reduce the concentration of nitrogen oxides in the atmosphere, and the nitrogen oxides in the atmosphere. Almost half are from vehicle exhaust. Therefore, during the 12th Five-Year Plan period, the country will spend a great deal of money to invest in solving vehicle exhaust emissions."

Zhang Yuming, the technical center of China FAW Group, also agreed with Zhang Gong's proposal. He also said that in the truck sector, there are more difficulties than buses and buses, and the problem is even more prominent. However, it is also bus transit that can be implemented in trucks. China IV emissions provide experience and lessons, can be more to avoid the deficiencies in the actual combat, trucks for many cases, but also hope that the SCR post-processing urea can be more consider the actual needs, so that trucks add urea to be resolved. Jiangsu Kelansu Automotive Environmental Protection Technology Co., Ltd. stated that companies will make relevant preparations before the implementation of the National IV emission standards and jointly contribute to the implementation of the National IV emission standards.

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