Antoy proseso na Phthalic Anhydride By Product Maleic Anhydride?
2025-12-29
Proseso na Produkto na Phthalic Anhydride
No manggagawa na phthalic anhydride manlapud o-xylene, Maleic Anhydride et sakey a produkto (~5% na phthalic anhydride ya ompaway). Legan na produksyon na phthalic anhydride, say reaction tail gas et urasan pian naekal iray organiko; say likidon panag-uras (ya walaan na maleic anhydride, daiset a benzoic acid, tan phthalic acid) et nakonsentra, nalinisan, tan napapainit pian naandi so danum to—ya mamawala na saray produkto na maleic anhydride.






