Livestock odor is a type of odor, contains more than one odor compound, and livestock odor is composed of numerous chemical substances.
Livestock odor is a problem that must be solved because it interferes with health and comfortable life as irritating gas and also forms a negative image in agri...
Livestock odor is a type of odor, contains more than one odor compound, and livestock odor is composed of numerous chemical substances.
Livestock odor is a problem that must be solved because it interferes with health and comfortable life as irritating gas and also forms a negative image in agricultural areas and livestock facilities.
Existing livestock odor reduction technology has attempted to reduce odor by using physical and chemical methods, but it is difficult to completely treat odor with one technology, so the cost of using multiple technologies in combination is also high. Therefore, further research is needed to reduce livestock odor. Radiation technology has been studied for the control of environmental pollutants since the early 20th century. It has the advantage of being able to operate at room temperature and quick treatment time.
In this study, we visited local livestock facilities to monitor odor compounds, and used radiation technology to check the reduction efficiency of odor compounds. (NH3, H2S, CH3SH standard gas).
Monitoring was conducted by visiting two pig farms and composting facilities located in Jeongeup, Jeollabuk-do, and collecting samples from the inside, outside, solid-liquid separation tank, and composting tank using a 10L Tedler bag and a vacuum pump. In situ ammonia and hydrogen sulfide concentrations were also measured. After sample collection, gas quantitative analysis was performed using GC-MS, and odor contribution was calculated using the analysis results.
In the standard gas experiment, each 100 ppm standard gas was diluted 10, 20, 50 ppm with Ultra-high purity air, and then the electron beam and gamma rays were irradiated. After that, the reduction efficiency was observed using an odor sensor and GC-MS. Monitoring showed the highest concentrations of ammonia in all facilities, followed by hydrogen sulfide and phenol, and calculating the odor contribution, hydrogen sulfide has the highest contribution. As a result of irradiation, the initial concentration of NH3, H2S, CH3SH 10ppm all showed a high reduction efficiency of more than 90%. In conclusion, radiation has an excellent effect of reducing odor substances and an excellent effect can be expected.
Livestock odor is a type of odor, contains more than one odor compound, and livestock odor is composed of numerous chemical substances.
Livestock odor is a problem that must be solved because it interferes with health and comfortable life as irritating gas and also forms a negative image in agricultural areas and livestock facilities.
Existing livestock odor reduction technology has attempted to reduce odor by using physical and chemical methods, but it is difficult to completely treat odor with one technology, so the cost of using multiple technologies in combination is also high. Therefore, further research is needed to reduce livestock odor. Radiation technology has been studied for the control of environmental pollutants since the early 20th century. It has the advantage of being able to operate at room temperature and quick treatment time.
In this study, we visited local livestock facilities to monitor odor compounds, and used radiation technology to check the reduction efficiency of odor compounds. (NH3, H2S, CH3SH standard gas).
Monitoring was conducted by visiting two pig farms and composting facilities located in Jeongeup, Jeollabuk-do, and collecting samples from the inside, outside, solid-liquid separation tank, and composting tank using a 10L Tedler bag and a vacuum pump. In situ ammonia and hydrogen sulfide concentrations were also measured. After sample collection, gas quantitative analysis was performed using GC-MS, and odor contribution was calculated using the analysis results.
In the standard gas experiment, each 100 ppm standard gas was diluted 10, 20, 50 ppm with Ultra-high purity air, and then the electron beam and gamma rays were irradiated. After that, the reduction efficiency was observed using an odor sensor and GC-MS. Monitoring showed the highest concentrations of ammonia in all facilities, followed by hydrogen sulfide and phenol, and calculating the odor contribution, hydrogen sulfide has the highest contribution. As a result of irradiation, the initial concentration of NH3, H2S, CH3SH 10ppm all showed a high reduction efficiency of more than 90%. In conclusion, radiation has an excellent effect of reducing odor substances and an excellent effect can be expected.
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#공학 공학, 환경공학, 악취
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