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Chii chinonzi kugadzirwa kwebisphenol A?

2025-10-30

Kuenzanisa kweResin Method neHydrogen Chloride Method Technologies
(1) Mabhenefiti enzira ye resin ye bisphenol A bpa: ① Hapana chikonzero chekushandisa michina inodhura inodzivirira ngura, uye mari inoshandiswa mumidziyo yakaderera; ② Mvura yakasviba shoma inogadzirwa; ③ Chinhu chinokonzeresa hachidi kudzoserwa uye kudzokororwa.
(2) Mabhenefiti enzira yehydrogen chloride yebisphenol A bpa: ① Catalyst ine basa rakakura, tembiricha yereaction yakaderera, uye tsvina shoma inogadzirwa; ② Mwero wekushandurwa kwezvinhu zvakabikwa wakakwira; ③ Acetone isina kugadziriswa haidi kudzokororwa; ④ Vhoriyamu yekutenderera kwephenol mureactor ndiyo shoma (mubhedha hauna kuvharwa), uye ortho nepara isomers mureactor hazviite crystallize; ⑤ Hapana recrystallization inodiwa, zvichideredza mari yekudyara uye mari yekushandisa; ⑥ Huwandu hwezvinhu zvakagadzirwa nereactor hudiki, uye hapana chikonzero chemuchina unorema wekushandura zvikamu.
Chinangwa chekubatsira kwe catalyst activity uye kusarudza kwe hydrogen chloride method, ion-exchange resin method yakavandudza catalyst, uye condensation reaction inoitwa pahuwandu hwakakura hwe phenol-ketone. Phenol i reactant uye reaction solvent, iyo inovandudza kusarudza kwe condensation reaction. Kusachena mu condensation reaction product kunogona kuparadzaniswa kuburikidza ne crystallization process kuti uwane zvigadzirwa zve bisphenol A bpa zvemhando yepamusoro. Panyaya yehuwandu hwemidziyo, resin method yakafanana ne hydrogen chloride method. Panguva imwecheteyo, ion-exchange resin method process yakachinja zvikanganiso zve hydrogen chloride method process, ine corrosion isina kusimba kumidziyo, uye inovandudza kuvimbika kwekushanda kwesystem pasina kuwedzera mari yekudyara. Nokudaro, ion-exchange resin method yekugadzira bisphenol A bpa yave tekinoroji huru negwara rekusimudzira.