On March 31, 2017, the China Society for Environmental Sciences held a project of Qinghai Science and Technology Support jointly completed by China Institute of Environmental Science, Qinghai Institute of Environmental Science and Design and Qinghai Qilian Mountain Cement Co., Ltd. in Beijing. The "High Concentration Wastewater Removal Cement kiln flue gas NOx key technology and demonstration "achievement appraisal meeting.
Identification by the Chinese Academy of Environmental Sciences Secretary Wang Zhihua presided over the appraisal committee composed of experts from China Cement Association and other units.
Zhang Fan, chief expert of our hospital's air pollution control base, firstly introduced the background of the key technologies of NOx removal from cement kiln with high-concentration wastewater and the research on the demonstration project. The project leader, Professor Wang Fan gave a detailed account of the project's work, key technologies and Innovation. The expert of the appraisal committee listened to the report of the project team and reviewed relevant materials. After questioning and discussion, the expert panel unanimously determined that the technology was at the international advanced level and passed the appraisal of scientific and technological achievements.
"The Key Technology and Key Technologies of NOx Removal from Cement Kiln with High Concentration Wastewater" successfully applied landfill leachate to the practice of 2,500t / d cement kiln flue gas denitrification project and significantly reduced the denitration ammonia consumption of SNCR. According to the characteristics of landfill leachate , Developed a special reducer spray gun to solve the clogging and coking problems. The project achievements were demonstrated on SNCR denitrification project of cement kiln flue gas of 2500t / d (1 # production line) in Qinghai Qilian Mountain Cement Co., Ltd. Third-party testing shows that the concentration of nitrogen oxides discharged can be reduced to 95-150mg / m3, which consumes high concentration of waste water and saves a large amount of urea or ammonia water, resulting in significant economic and environmental benefits. The research and development results for the cement industry flue gas denitrification area provides a new technical solutions, with completely independent intellectual property rights, has a broad application prospects and promote value.
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