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您現(xiàn)在的位置: 網(wǎng)站首頁>>新聞中心>>公司新聞順酐產(chǎn)生反應(yīng)的過程是什么樣的?

順酐產(chǎn)生反應(yīng)的過程是什么樣的?

來源:http://m9660.cn/ 日期:2020-07-07 發(fā)布人: 瀏覽次數(shù):0
將純丁烷、流和壓縮空氣流混合并送入絕熱反應(yīng)器,丁烷與氧氣反應(yīng)生成順丁烯二酸酐。反應(yīng)是放熱的,因此,可以考慮流化床反應(yīng)器或具有接近等溫的排熱的填充床反應(yīng)器。
Pure butane, stream and compressed air were mixed and sent into an adiabatic reactor. Butane reacted with oxygen to produce maleic anhydride. The reaction is exothermic, so fluidized bed reactor or packed bed reactor with near isothermal heat removal can be considered.
反應(yīng)器出水被冷卻,一個填充床吸收器,在那里它與水接觸,以去除輕氣體,所有順丁烯二酸酐反應(yīng)生成順丁烯二酸。蒸汽流出物由不可冷凝的蒸汽組成,在排放到大氣中之前,一定送后燃器以去除任何一氧化碳。這里沒有顯示。
The reactor effluent is cooled and a packed bed absorber where it is in contact with water to remove the light gas and all maleic anhydride reacts to produce maleic acid. The steam effluent consists of non condensable steam and must be sent to the afterburner to remove any carbon monoxide before it is discharged into the atmosphere. It's not shown here.
然后,在101 kPa和120℃下冷卻和閃蒸液體流出物流。蒸汽流被送往廢物處理,液體流出物流被運送,在那里順丁烯二酸被分解為順丁烯二酸酐和水。然后,將反應(yīng)器出水送蒸餾塔,分離馬來酸酐和水。餾出物流被送往廢物處理。底部,由99重量的順丁烯二酸酐組成。
The liquid outflow stream is then cooled and flashed at 101 kPa and 120 ° C. The steam stream is sent to waste treatment and the liquid outflow stream is transported, where maleic acid is decomposed into maleic anhydride and water. Then, the effluent from the reactor is sent to the distillation column to separate maleic anhydride and water. The distillate stream is sent to waste disposal. The bottom consists of 99% by weight of maleic anhydride.

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