[Isikhokelo] Imarike ye-butyl acetate eTshayina ijongene nokungalingani phakathi kokunikezelwa kunye nemfuno. Xa idibene namaxabiso abuthathaka ezinto eziluhlaza, ixabiso lemarike belisoloko liphantsi koxinzelelo kwaye lihla. Ngexesha elifutshane, kunzima ukunciphisa uxinzelelo oluphezulu kubonelelo kunye nemfuno yemarike, kwaye inkxaso yeendleko ayonelanga. Kulindeleke ukuba ixabiso liza kutshintshatshintsha kancinci malunga nenqanaba langoku.
Ngowama-2025, ixabiso le-butyl acetate kwimarike yaseTshayina libonakalise ukuhla okuqhubekayo, kunye nokuhla kwakutshanje okuqhubekayo kunye namaxabiso adlula phantsi kwangaphambili ngokuphindaphindiweyo. Ukusukela ekupheleni kwe-19 ka-Agasti, ixabiso eliqhelekileyo kwimarike yaseJiangsu yayiyi-5,445 yuan/ton, yehla nge-1,030 yuan/ton ukusuka ekuqaleni konyaka, nto leyo emele ukwehla kwe-16%. Olu jikelezo lokuguquguquka kwamaxabiso luye lwachaphazeleka kakhulu kukunxibelelana kwezinto ezininzi ezifana nobudlelwane bokubonelela kunye nemfuno kunye neendleko zezinto eziluhlaza.
1, Impembelelo yokuguquguquka kwimarike yezinto eziluhlaza
Ukuguquguquka kwimarike yezinto eziluhlaza yenye yezinto eziphambili ezichaphazela imeko yemarike ye-butyl acetate. Phakathi kwazo, imakethi ye-acetic acid ibone ukwehla kwamaxabiso okuqhubekayo ngenxa yobuthathaka bobudlelwane bokubonelela kunye nemfuno. Ukusukela nge-19 ka-Agasti, ixabiso elihanjiswayo le-glacial acetic acid kummandla waseJiangsu yayiyi-2,300 yuan/ton, yehla nge-230 yuan/ton ukususela ekuqaleni kukaJulayi, nto leyo ebonisa ukwehla okukhulu. Olu tshintsho lwamaxabiso luye lwabangela uxinzelelo olucacileyo kwicala leendleko ze-butyl acetate, nto leyo ebangele ubuthathaka bamandla axhasayo ukusuka ekupheleni kweendleko. Kwangaxeshanye, imakethi ye-n-butanol, echatshazelwa zizinto ezingaqhelekanga ezifana nokuxinana kwemithwalo kumazibuko, ibone ukuyeka okwethutyana kokwehla kunye nokubuyela umva ekupheleni kukaJulayi. Nangona kunjalo, ngokwembono yepateni iyonke yokubonelela kunye nemfuno, akukho phuculo lubalulekileyo kwiziseko zoshishino. Ekuqaleni kuka-Agasti, ixabiso le-n-butanol libuyele kwindlela ehlayo, nto leyo ebonisa ukuba imakethi ayisakwazi ukuqhubeka nokunyuka.
2. Isikhokelo esivela kubudlelwane bokubonelela ngeenkonzo kunye nemfuno
Ubudlelwane bokubonelela kunye nemfuno yeyona nto iphambili echaphazela ukuguquguquka kwamaxabiso kwimarike ye-butyl acetate. Okwangoku, ukungqubana phakathi kokubonelela kunye nemfuno kwimarike kuyabonakala kakhulu, kwaye utshintsho kwicala lokubonelela lunempembelelo ecacileyo kwisimo samaxabiso. Phakathi ku-Agasti, ngokuqala kwakhona kwemveliso kwifektri enkulu kwingingqi yaseLunan, ukubonelela kwimarike kwanda ngakumbi. Nangona kunjalo, icala lemfuno elisezantsi lenze kakubi. Ngaphandle kwezinye iifektri ezinkulu kwingingqi yaseJiangsu ezafumana inkxaso ethile ngenxa yokuphunyezwa kwee-odolo zokuthumela ngaphandle, ezinye iifektri ngokubanzi zijongene noxinzelelo ekuthunyelweni kwemveliso, nto leyo ekhokelela ekuweni kwexabiso eliphambili kwimarike.
Xa sijonga phambili, ngokwembono yeendleko, ukuveliswa kwe-butyl acetate kusagcina umda othile wenzuzo okwangoku. Phantsi kokudibana kwezinto ezininzi ezifana neendleko kunye nokuguquguquka kwemfuno yokubonelela, kulindeleke ukuba ixabiso le-n-butanol linokwenza iqonga elisezantsi kwinqanaba langoku. Nangona ixesha lesiqhelo lemfuno ephezulu lifikile, amashishini amakhulu asezantsi awakabonisi zimpawu zokunyuka okukhulu kwemfuno. Nokuba i-n-butanol iphumelele ukwenza isezantsi, kujongwa ukungoneli kokulandelelana kwemfuno yokubonelela, indawo yokubuyela kwimarike kwixesha elifutshane kulindeleke ukuba incitshiswe. Ukongeza, icala lemfuno yokubonelela kwimarike ye-acetic acid linempembelelo encinci ekunyuseni kwamaxabiso, ngelixa abavelisi besajongene noxinzelelo oluthile lweendleko. Kulindeleke ukuba imakethi ihlale iguquguqukayo, kunye nomkhwa oqhelekileyo onokuba kwimeko ebuthathaka nengaguqukiyo.
Ngokwembono yokubonelela ngempahla kunye nemfuno, nangona ixesha lesiqhelo lemfuno lisondela kwaye kukho amathemba okuphucuka kwemfuno esezantsi, izinga lokusebenza kwangoku kushishino likwinqanaba eliphezulu, kwaye ezinye iifektri ezinkulu zisajongene noxinzelelo oluthile lokuthunyelwa kwempahla. Ngenxa yenzuzo yangoku yemveliso, kulindeleke ukuba abavelisi basaza kugcina isicwangciso sokusebenza esigxile ekuthunyelweni kwempahla, nto leyo ebangela ukuba amaxabiso angonelanga anyuke kwimarike.
Ngokubanzi, kulindeleke ukuba imakethi ye-butyl acetate iqhubeke nokugcina ukuguquguquka okuncinci malunga nenqanaba lamaxabiso angoku kwixesha elifutshane.
Ixesha leposi: Agasti-21-2025