The problem of environmental pollution caused by incineration of two wastes has become a global concern. In recent years, a number of large-scale waste incineration plants have been built domestically and connected to the grid for power generation. Especially after the SARS epidemic has occurred, high-temperature incineration methods have been used in various places to handle highly hazardous medical waste. However, there are no mature two-dose culprits in China. In addition to technology, the potential for causing the two dioxin pollution problems is worrying. On July 16th, China Petroleum and Chemical Industry Association organized an appraisal meeting on the “research on the removal of two dioxin from waste incineration flue gasâ€. The Northwest Institute of Chemical Industry undertakes and completes this social welfare research project of the Ministry of Science and Technology to solve it. China's waste incineration brought about two odourous pollution problems and laid the technical foundation.
In the past, domestic research on the two ethical issues was mostly limited to analytical techniques and methods. The study on the formation, release, and governance of the two dioxines is almost blank, and so far there is no mature technology and independent intellectual property rights. Research results. The Northwest Research Institute of Chemical Industry took the lead in the country to use chlorobenzene-like low-toxic substances in the laboratory as a substitute for two dioxin, researched the removal process and catalyst of the simulated odor of the two odors, determined the catalyst preparation method, and optimized the process. condition. The hospital successfully developed the VW/Ti02 catalyst and catalytic oxidation decomposition process. At the end of 2002, Zhuhai City garbage power plant conducted incineration of flue gas two dioxin removal industrial sidestream test. Sample tests conducted by the National Environmental Analysis and Test Center show that: The removal rate is >90%, and the concentration of two dioxin emissions has reached the EU's latest emission standards.
At present, the methods used to remove two odors of flue gas in foreign countries are mainly activated carbon adsorption and catalytic oxidation processes. Activated carbon adsorption technology is not high technical requirements for the physical attachment method, but the removal rate is limited;
The catalytic oxidation process is a chemical method, with good removal effect, complete decomposition of poisons, low operating cost, and can be used for the treatment of other organic waste gases, and is a relatively advanced technology. At present, these two technologies have been put into industrial applications abroad.
The research results obtained by the Northwest Research Institute of Chemical Industry in a short period of two years and with limited funding conditions have narrowed the gap between China's advanced level in this field and foreign countries. The industry proposes that the next step is to continue to carry out the scale-up study of this technology and accelerate the industrialization process. At the same time, it is also recommended that relevant national authorities continue to provide support so that China can effectively suppress and eliminate persistent organic pollutant (POP) pollution. .
In the past, domestic research on the two ethical issues was mostly limited to analytical techniques and methods. The study on the formation, release, and governance of the two dioxines is almost blank, and so far there is no mature technology and independent intellectual property rights. Research results. The Northwest Research Institute of Chemical Industry took the lead in the country to use chlorobenzene-like low-toxic substances in the laboratory as a substitute for two dioxin, researched the removal process and catalyst of the simulated odor of the two odors, determined the catalyst preparation method, and optimized the process. condition. The hospital successfully developed the VW/Ti02 catalyst and catalytic oxidation decomposition process. At the end of 2002, Zhuhai City garbage power plant conducted incineration of flue gas two dioxin removal industrial sidestream test. Sample tests conducted by the National Environmental Analysis and Test Center show that: The removal rate is >90%, and the concentration of two dioxin emissions has reached the EU's latest emission standards.
At present, the methods used to remove two odors of flue gas in foreign countries are mainly activated carbon adsorption and catalytic oxidation processes. Activated carbon adsorption technology is not high technical requirements for the physical attachment method, but the removal rate is limited;
The catalytic oxidation process is a chemical method, with good removal effect, complete decomposition of poisons, low operating cost, and can be used for the treatment of other organic waste gases, and is a relatively advanced technology. At present, these two technologies have been put into industrial applications abroad.
The research results obtained by the Northwest Research Institute of Chemical Industry in a short period of two years and with limited funding conditions have narrowed the gap between China's advanced level in this field and foreign countries. The industry proposes that the next step is to continue to carry out the scale-up study of this technology and accelerate the industrialization process. At the same time, it is also recommended that relevant national authorities continue to provide support so that China can effectively suppress and eliminate persistent organic pollutant (POP) pollution. .
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