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组成有机物的核心元素是碳、氢,辅助元素主要是氧、氮、硫、磷及卤素。因此,有机物一般具有可燃性,而耗氧量是反映有机物燃烧性质的一个重要物理量。 1.有机物的燃烧过程 有机物的燃烧过程可看作是组成有机物中的氢元素先与氧气结合成水,余下的碳元素再与氧气结合成二氧化碳或一氧化碳(氧气的量不足);如果是含氧衍生物,则其中的氧元素可看作先与氢元素结合成水。即:H→H_2O;C→CO_2、CO;O→H_2O。 2.有机物完全燃烧过程中耗氧量的计算方法
The core elements that make up organic matter are carbon and hydrogen, and the auxiliary elements are mainly oxygen, nitrogen, sulfur, phosphorus, and halogens. Therefore, organic matter is generally flammable, and oxygen consumption is an important physical quantity that reflects the combustion properties of organic matter. 1. Combustion process of organic matter The combustion process of organic matter can be considered as the first element of organic matter that combines with oxygen to form water. The remaining carbon element is then combined with oxygen to form carbon dioxide or carbon monoxide (the amount of oxygen is insufficient); if it is oxygenated Derivatives, in which the oxygen element can be seen as first combined with hydrogen into water. Namely: H→H_2O; C→CO_2, CO; O→H_2O. 2. Method for calculating oxygen consumption during complete combustion of organics