Owasekhayai-butyl acetateimakethe ingene enkathini ebiza kakhulu kusukela ngo-2021 kuya phambili. Kumakhasimende okugcina, akunakugwenywa ukugwema izinto zokusetshenziswa ezinenani eliphezulu futhi usebenzise ezinye izindlela ezingabizi. Ngakho-ke i-sec-butyl acetate, i-propyl acetate, i-propylene glycol methyl ether, i-dimethyl carbonate, njll. konke kunomthelela emakethe ye-butyl acetate. Uhlangothi lwetheminali lukhetha ukushintshwa ngokusekelwe ekusebenzeni kwezinhlobo ezahlukene zemikhiqizo, okuholele ekwehleni okukhulu kwesidingo se-butyl acetate eminyakeni emibili edlule. ukusetshenziswa kwasekhaya kwe-butyl acetate kwehle kwafinyelela kumathani angama-400,000 ngo-2021, kwehle kwafika ezingeni lesikhathi sika-2016. Nakuba kunomthelela wesici sobhubhane, kungenxa yezindleko eziphezulu kanye nenani eliphezulu eliholela ekuncipheni kwe-butyl acetate ekugcineni ukusetshenziswa.

Engxenyeni yokuqala ka-2022, imakethe yasekhaya ye-butyl acetate yonke yanyakaza yehla, futhi kusukela ngomhlaka-13 Julayi, intengo yemakethe evamile eNyakatho China yayingu-7,400-7450 yuan/ton, kanti intengo yemakethe emaphakathi ibizwa ngokuthi yehle ngo-19.29% ekupheleni konyaka odlule. Amakhemikhali alula emhlabeni jikelele wokuthengwa kwezinto ezibonakalayo kanye nenkundla yokuthengisa, ehlinzeka nge-acetic acid, i-n-butanol, ukuthengiswa kwezinto ezingavuthiwe ze-butyl acetate.

Ikota yokuqala: ukuhweba ezimakethe kulula futhi amanani ayehla

NgoJanuwari, inkambiso iyonke ye-butyl acetate yalandela ukukhuphuka kwezinto zokusetshenziswa i-n-butanol, kwase kuthi eduze noMkhosi Wasentwasahlobo kuholele emikhawulweni yezokuthutha, ukuthengiselana kwemakethe kwehle.

NgoFebhuwari, amanani aqala ukukhuphuka ngemva kokuvulwa kwemakethe ngemva koNyaka Omusha WaseShayina, impahla eluhlaza iphela i-n-butanol ngenxa yokuthi abanye abathengi bavuselela izikhundla zabo ngemva komkhosi, ukushoda kwamabala, futhi iningi labanikazi bamasheya bahawukela ukuthengisa, ngakho intengo yaphinde yakhuphuka.

Ekuqaleni kuka-March, eqhutshwa amanani kawoyela ongahluziwe, amanani e-methanol akhuphuka ngokushesha, amanani e-acetic acid akhuphuka kakhulu, futhi amanani e-n-butanol ayeqinile, asekelwa izindleko, amanani e-butyl acetate alandela ukukhuphuka, phakathi nenyanga ngenxa yalolu bhubhane, ukufunwa komfula kanye nokuphazamiseka kwethrafikhi ezindaweni eziningi, ukuhweba kwemakethe kuncipha, intengo yemakethe iyaqhubeka nokuhwebelana.

Ikota yesibili: inkambiso iyonke ye-oscillation encane

Ngaphambi kweholide likaMeyi Day, ukugcwaliswa kabusha komfula, futhi abanye abakhiqizi be-acetic acid banezinhlelo zokuyinakekela, amanani e-acetic akhuphuka, izindleko zokusekela, amanani e-butyl acetate alandela ukukhuphuka.

NgoJuni, izintengo ze-n-butanol ziqhubekile nokuthamba, okuhambisana nokwehla okuqhubekayo kwamanani entengo ye-acetic acid, ngaphansi kwethonya lokusekelwa kwezindleko ezinganele, amanani e-butyl acetate aqhubeka nokulandela ukwehla.

NgoJulayi, intengo ye-acetate ye-butyl iyaqhubeka nokuba buthaka, i-acetic acid ne-n-butanol yezinto ezibonakalayo ibuthakathaka, ukusekelwa kwezindleko akwanele, futhi isidingo se-downstream silula uma kuqhathaniswa, ukuthengwa kokunye ukuze kugcinwe isidingo esifanele, isimo sokuhweba ensimini sivamile, uhlangothi lwempahla eluhlaza kulindeleke ukuba lube buthaka, kuyilapho uhlangothi lwesidingo lwe-low-stream ukuze kugcinwe isidingo esibuthakathaka, isidingo esivamile sendawo sifushane. imakethe ye-butyl acetate noma iqhubeka nokuba buthakathaka, sekwephuzile kusadingeka ukunaka amandla e-dynamics yedivayisi yabakhiqizi Kulindeleke ukuthi imakethe yasekhaya ye-butyl acetate izohlala ibuthakathaka esikhathini esifushane.

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