การกำจัดสารปนเปื้อนสไตรีนในปิโตรเลียมอีเทอร์ 40-60 โดยการดูดซับด้วยถ่านกัมมันต์
คำสำคัญ:
Adsorption, Activated carbon, Purification, Organic solventบทคัดย่อ
The removal of contaminants in petroleum ether 40-60 with an adsorption method using 9 types of activated carbon (AC) was investigated. The optimum condition was achieved by varying the types of AC, ratios between solvent volume to AC amount, and adsorption time. The GC-FID results reveal that the main impurity in petroleum ether 40-60 is styrene. By using activated carbon type BITU8x30 with a ratio of 900L:135Kg and adsorption time of 24 hours, styrene was removed up to 98.43%. The purification of petroleum ether 40-60 was also confirmed by UV-visible spectrometry. This adsorption method provides efficiency, cost effectiveness and low energy consumption. Moreover, this proposed method can reduce time and steps of petroleum ether 40-60 purification in industrial scale as well.
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