Ea lapengbutyl acetate'maraka o kene nakong ea theko e phahameng ho tloha ka 2021 ho ea pele. Bakeng sa bareki ba ho qetela, ho ke ke ha qojoa ho qoba thepa e tala ea theko e phahameng le ho sebelisa mekhoa e meng e theko e tlaase. Kahoo sec-butyl acetate, propyl acetate, propylene glycol methyl ether, dimethyl carbonate, joalo-joalo kaofela li ama 'maraka oa butyl acetate. Lehlakore la terminal le khetha sebaka se ipapisitseng le ts'ebetso ea mefuta e fapaneng ea lihlahisoa, e lebisitseng ho theoha ho hoholo ha tlhoko ea butyl acetate lilemong tse peli tse fetileng. Tšebeliso ea lapeng ea butyl acetate e theohile ho lithane tse 400,000 ka 2021, ho fihlela boemong ba nako ea 2016. Le hoja ho na le tšusumetso ea ntlha ea seoa, e bakoa haholo ke litšenyehelo tse phahameng le theko e phahameng e fellang ka ho fokotseha ha butyl acetate qetellong ea tšebeliso.

Karolong ea pele ea 2022, 'maraka oa lapeng oa butyl acetate ka kakaretso o ile oa sisinyeha,' me ho tloha ka la 13 Phupu, theko e kholo ea 'maraka ho la North China e ne e le 7,400-7450 yuan/ton,' me theko ea 'maraka e bohareng e bitsoa ho theoha ka 19.29%. qetellong ea selemo se fetileng. Lik'hemik'hale tse bonolo tsa lefats'e tsa ho reka thepa e tala le sethala sa thekiso, se fanang ka acetic acid, n-butanol, thekiso ea thepa e tala ea butyl acetate.

Kotara ea pele: khoebo ea 'maraka e bobebe' me litheko lia theoha

Ka Pherekhong, mokhoa o akaretsang oa butyl acetate o ile oa latela ho phahama ha lisebelisoa tse tala n-butanol, mme haufi le Mokete oa Selemo o lebisitse ho lithibelo tsa thepa, litšebelisano tsa mebaraka li fokotsehile.

Ka February, litheko li ile tsa qala ho nyoloha ka mor'a hore 'maraka o buloe ka mor'a Selemo se Secha sa Chaena, thepa e tala e fela n-butanol hobane bareki ba bang ba sebetsa ka mafolofolo ho tlatsa maemo a bona ka mor'a mokete, ho haella ha letheba,' me boholo ba beng ba thepa ba hauhela ho rekisa, kahoo theko e ile ea boela ea phunyeletsa ka mose.

Mathoasong a Hlakubele, a susumetsoa ke litheko tsa oli e tala, litheko tsa methanol li ile tsa phahama ka potlako, litheko tsa acetic acid li ile tsa phahama haholo, 'me litheko tsa n-butanol li ne li tiile, li tšehetsoa ke litšenyehelo, litheko tsa butyl acetate li ile tsa latela ho phahama, bohareng ba khoeli ka lebaka la seoa, tlhokeho e tlase le tšitiso ea sephethephethe libakeng tse ngata, khoebo ea 'maraka e bobebe, litheko tsa thekiso ea' maraka li ntse li theoha.

Kotara ea bobeli: mokhoa o akaretsang oa ho sisinyeha ha moqotetsane

Pele ho matsatsi a phomolo a May Day, ho tlatsetsoa ho theoha ha metsi, 'me bahlahisi ba bang ba acetic acid ba na le merero ea tlhokomelo, litheko tsa acetic acid li ile tsa phahama, litšenyehelo tsa tšehetso, litheko tsa butyl acetate li latela ho phahama.

Ka June, litheko tsa n-butanol li ile tsa tsoela pele ho kokobela, hammoho le ho theoha ho tsoelang pele ha litheko tsa acetic acid, tlas'a tšusumetso ea litšenyehelo tse sa lekaneng, litheko tsa butyl acetate li ile tsa tsoela pele ho latela ho theoha.

Ka Phupu, theko ea butyl acetate e ntse e fokola, lihlahisoa tse tala tsa acetic acid le n-butanol ha li na matla, tšehetso ea litšenyehelo ha e lekane, 'me tlhoko e tlase ea noka e batla e le bobebe, ho reka tse ling ho boloka tlhokahalo feela. tšimo khoebo sepakapaka ke ka kakaretso, lehlakoreng thepa e tala lebeletsoe ho fokolisa, ha tlhokahalo lehlakoreng la theosa le noka ho boloka tlhokahalo feela, tšimo kelello ea ka kakaretso, phello ea phepelo e fokolang le tlhokahalo, ho lebeletsoe hore nako e khutsoanyane ea malapeng. 'Maraka oa butyl acetate kapa o tsoela pele ho fokola, morao o ntse a hloka ho ela hloko matla a lisebelisoa tsa baetsi ba thepa Ho lebeletsoe hore maraka a malapeng a butyl acetate a lule a fokola ka nako e khutšoanyane.

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