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Membrane separation Continuous ion-exchange / Chromatographic separation Electrodialysis(ED)/ Bipolar membrane electrodialysis(BMED) Equipment accessories / consumables Customized engineering equipment
Application area Engineering case Industry information Membrane separation technology
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實(shí)例 1: 低分子量的醇類主要是甲醇和乙醇。在許多工業(yè)應(yīng)用中其被廣泛用作溶劑和清潔劑。在使用過(guò)程中它們可能被 污染,根據(jù)實(shí)際情況其中有一些需要被凈化以便重新使用,而傳統(tǒng)的凈化工藝通常采用費(fèi)用昂貴的蒸餾法,給使用者造成較大的經(jīng)濟(jì)負(fù)擔(dān)。在絕大多數(shù)情況下,采用納濾膜對(duì)低分子量醇類進(jìn)行凈化回用比傳統(tǒng)的蒸 餾法更加經(jīng)濟(jì)、有效。
甲醇凈化回收納濾膜系統(tǒng)設(shè)計(jì)
實(shí)例 2:用作汽車防凍劑的乙二醇為一種有害的化學(xué)品。高昂的乙二醇廢液處理費(fèi)用使回用被污染的乙二醇變得更具經(jīng) 濟(jì)性。納濾膜能夠讓乙二醇透過(guò),同時(shí)截留多價(jià)離子、油脂、懸浮物、色度等。因此納濾膜可用于乙二醇回收。 經(jīng)納濾膜凈化后的乙二醇既可以直接回用也可以被蒸發(fā)器再進(jìn)一步濃縮。作為蒸發(fā)器的前處理時(shí),納濾膜提高了蒸發(fā)器的進(jìn)料質(zhì)量,從而減輕蒸發(fā)器的污染和清洗頻率,同時(shí)由于提高了蒸發(fā)器的進(jìn)料濃度, 減少了蒸發(fā)器的能量損耗。
乙二醇凈化回收納濾膜系統(tǒng)設(shè)計(jì)
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