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脱硫脱硝
Desulfurization and denitrification
治理燃煤大气污染的重要措施。
Important measures for controlling coal-fired air pollution.
脱硫就是脱去烟气中所含的二氧化硫，脱硝就是脱去烟气中所含的氮氧化物。
Desulfurization is the removal of sulfur dioxide from flue gas, while denitrification is the removal of nitrogen oxides from flue gas.
常用的烟气脱硫工艺主要有湿法、半于法和干法。应用较多的烟气脱硝方法有选择性催化还原法(SCR)和选择性非催化还原法(SNCR)。
The commonly used flue gas desulfurization processes include wet, semi wet, and dry methods. The commonly used flue gas denitrification methods include selective catalytic reduction (SCR) and selective non catalytic reduction (SNCR).
低氮燃烧技术
Low nitrogen combustion technology
低氮燃烧技术即炉内脱氮，在燃烧炉内采用各种燃烧手段控制燃烧过程中氮氧化物的生成，实现清洁燃烧的技术。
Low nitrogen combustion technology refers to the removal of nitrogen in the furnace, which uses various combustion methods to control the generation of nitrogen oxides during the combustion process, achieving clean combustion technology.
可降解·不可降解
Degradable · Non degradable
可降解是指物质在自然界中经过一段时间以后，在光、热、水、微生物等的作用下，稳定性下降，最终分解为简单物质，因此“可降解”可以理解为自然分解。
Biodegradability refers to the decrease in stability of substances in nature after a period of time, under the action of light, heat, water, microorganisms, etc., and ultimately decompose into simple substances. Therefore, "degradable" can be understood as natural decomposition.
可降解物质不会造成严重的环境污染，对环境的影响较小。
Degradable substances do not cause serious environmental pollution and have a relatively small impact on the environment.
不可降解是指物质的物理和化学性质稳定，不经过人为的外在作用很难分解为简单物质的特性。
Non degradability refers to the stable physical and chemical properties of a substance, which is difficult to decompose into simple substances without artificial external effects.
因此，“不可降解”可以理解为不能自然分解。不可降解物质会造成严重的环境污染。
Therefore, "non degradable" can be understood as not being able to decompose naturally. Non degradable substances can cause serious environmental pollution.
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2024-03-07
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