沼氣中如果有水蒸氣，使用效率就很降低很多，沼氣提純廠家常用的從發(fā)酵裝置出來(lái)的沼氣含有飽和水蒸氣的方法有以下三種！
If there is water vapor in biogas, the use efficiency will be greatly reduced. There are three methods commonly used by biogas purifiers to extract saturated water vapor from fermentation plants.
(1)冷分離法
(1) Cold separation method
冷分離法是利用壓力能變化引起溫度變化，使水蒸氣從氣相中冷凝下來(lái)的方法。常用的有兩種流程：A．節(jié)流膨脹冷脫水法。B．加壓后冷卻法。
Cold separation is a method of condensing water vapor from the vapor phase by using the temperature change caused by the change of pressure energy. There are two commonly used processes: A. Throttle expansion cold dehydration method. B. Pressure cooling method.
(2)溶劑吸收法
(2) Solvent absorption method
屬于這類脫水溶劑的有氯化鈣、氯化鋰及甘醇類。
Calcium chloride, lithium chloride and glycol are the dehydration solvents.
(3)固體物理吸水法
(3) Solid Physical Absorption Method
吸附是在固體表面力作用下產(chǎn)生的，根據(jù)表面力的性質(zhì)分為化學(xué)吸附脫水后不能再生)和物理吸附(脫水后可再生)。
Adsorption is produced under the action of solid surface force. According to the nature of surface force, it can be divided into chemical adsorption and physical adsorption (which can be regenerated after dehydration).
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2019-07-29
