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Iyini inqubo yokukhiqiza i-bisphenol A?

2025-10-30

Ukuqhathaniswa kweResin Method kanye neHydrogen Chloride Method Technologies
(1) Izinzuzo zenqubo yendlela ye-resin ye-bisphenol A i-bpa: ① Asikho isidingo sokusebenzisa imishini ebizayo engagqwali, futhi ukutshalwa kwezimali kwemishini kuphansi; ② Kukhiqizwa amanzi angcolile amancane; ③ I-catalyst ayidingi ukutholwa nokusetshenziswa kabusha.
(2) Izinzuzo zenqubo yendlela ye-hydrogen chloride ye-bisphenol A bpa: ① I-catalyst inomsebenzi ophezulu, izinga lokushisa lokusabela liphansi, futhi kukhiqizwa ukungcola okuncane; ② Izinga lokuguqulwa kwezinto zokusetshenziswa liphezulu; ③ I-acetone engaphendulwanga ayidingi ukuphinda isetshenziswe; ④ Umthamo wokujikeleza kwe-phenol ungene ku-reactor uncane kakhulu (umbhede awuvaliwe), kanti ama-isomer e-ortho ne-para ku-reactor awaqini; ⑤ Akukho ukuphinda kusetshenziswe okudingekayo, okunciphisa izindleko zokutshalwa kwezimali kanye nezindleko zokusebenza; ⑥ Inani lemikhiqizo ekhiqizwe yi-reactor lincane, futhi asikho isidingo sedivayisi yokuguqula izingxenye ezisindayo.
Ihlose izinzuzo zomsebenzi we-catalyst kanye nokukhetha kwendlela ye-hydrogen chloride, indlela ye-ion-exchange resin ithuthukise i-catalyst, kanti ukusabela kwe-condensation kwenziwa ngesilinganiso esikhulu se-phenol-ketone. I-Phenol iyi-reactant kanye ne-reaction solvent, ethuthukisa ukukhetha kokusabela kwe-condensation. Ukungcola kumkhiqizo we-condensation reaction kungahlukaniswa ngenqubo ye-crystallization ukuthola imikhiqizo ye-bisphenol A bpa esezingeni eliphezulu. Ngokuphathelene nenani lemishini, indlela ye-resin ifana nendlela ye-hydrogen chloride. Ngesikhathi esifanayo, inqubo ye-ion-exchange resin ishintshe ukushiyeka kwenqubo ye-hydrogen chloride, inokugqwala okubuthakathaka emishinini, futhi ithuthukisa ukuthembeka kokusebenza kwesistimu ngaphandle kokukhulisa izindleko zokutshalwa kwezimali. Ngakho-ke, indlela ye-ion-exchange resin yokukhiqiza i-bisphenol A bpa isibe yindlela yobuchwepheshe nentuthuko eyinhloko.