Kuleli sonto, isikhungo senani lemikhiqizo ochungechungeni lwezimboni ze-phenol-ketone ngokuvamile sehlele phansi. Ukudlula kwezindleko ezibuthakathaka, kuhambisana nengcindezi yokuhlinzeka kanye nesidingo, kube nengcindezi ethile yokwehla emananini ochungechunge lwezimboni. Kodwa-ke, imikhiqizo ekhuphukayo ibonise ukumelana okukhulu nokwehla uma kuqhathaniswa nezansi nomfula, okuholele ekwehleni kwenzuzo kuzo zonke izimboni ezansi nomfula. Nakuba i-margin yokulahlekelwa yemboni ye-phenol-ketone emaphakathi inciphile, inzuzo yonke yemikhiqizo ekhuphukayo nephakathi nendawo yahlala ibuthakathaka, kuyilapho i-MMA engezansi (Methyl Methacrylate) kanye nezimboni ze-isopropanol zisalondoloza inzuzo ethile.
Ngokwezintengo ezimaphakathi zamasonto onke, ngaphandle kokwenyuka okuncane kwenani lentengo elimaphakathi langeviki le-phenol (umkhiqizo omaphakathi), yonke eminye imikhiqizo echungechungeni lwezimboni ye-phenol-ketone irekhodwe iyehla, iningi lehla phakathi kwebanga elingu-0.05% ukuya ku-2.41%. Phakathi kwayo, imikhiqizo ekhuphuka ngomfula i-benzene ne-propylene zombili zaba buthaka, nezintengo zazo ezimaphakathi neviki zehla ngo-0.93% no-0.95% inyanga nenyanga ngokulandelana. Phakathi nesonto, ngemva kokwenyuka okuncane okulandelanayo, amanani entengo kawoyela ongahluziwe abona ukwehla kwesikhashana okunwetshiwe. Izimo zemakethe zahlala zintekenteke, futhi ukuqaphela okuphansi komfula kwakunamandla. Kodwa-ke, isidingo sokuhlanganisa uphethiloli wase-US sinyuse amanani e-toluene, futhi amayunithi okungalingani avalwa ngenxa yezinzuzo ezingezinhle zezomnotho, okuholele ekukhuphukeni kwezintengo ze-benzene ngasekupheleni kwesonto. Ngaleso sikhathi, amanye amayunithi e-propylene angasebenzi aqala phansi aqala kabusha ukusebenza, athuthukisa kancane ukusekelwa kwesidingo se-propylene. Sekukonke, nakuba ukuphela kwezinto ezingavuthiwe kubonise ukuthambekela okubuthakathaka, ukwehla bekuncane kunalokho kwemikhiqizo ephansi.
Imikhiqizo emaphakathi i-phenol ne-acetone edayiswa kakhulu emaceleni, enokuguquguquka okuncane ekushintsheni kwayo kwentengo okumaphakathi kwamasonto onke. Naphezu kokudlula kwezindleko ezibuthakathaka, amanye amayunithi e-bisphenol A aphansi komfula aphinde aqala ukusebenza, futhi bekulindelwe ukunakekelwa kwamayunithi e-phenol-ketone ye-Hengli Petrochemical esikhathini sakamuva. Izici ezinde nezimfushane ezihlangene emakethe, okuholela ekubambeni phakathi kwabathengi nabathengisi. Imikhiqizo ye-downstream ibone ukuthambekela kokwehla okucace kakhulu kunokuphela kwezindleko ngenxa yokutholakala okwanele kanye nokuntuleka kokuthuthukiswa kokudingeka ekugcineni. Kuleli sonto, intengo emaphakathi yamasonto onke yemboni ye-MMA engezansi yehle ngo-2.41% inyanga nenyanga, ukwehla okukhulu kwamasonto onke ochungechungeni lwezimboni. Lokhu kube ngenxa yesidingo esintengayo sokuphela, okuholele ekutholakaleni kwemakethe yamabala eyanele. Ikakhulukazi, amafekthri aseShandong abhekane nengcindezi enkulu yokusungula futhi kwadingeka ehlise izingcaphuno ukuze akhuthaze ukuthunyelwa. Izimboni ze-bisphenol A ezansi komfula kanye ne-isopropanol nazo zihlangabezane nezitayela ezithile eziya phansi, ngokwehla kwentengo okumaphakathi kwamasonto onke ngo-2.03% no-1.06% ngokulandelana, njengoba imakethe ihleli ekulungiseni okuphansi komjikelezo obuthakathaka phakathi kokunikezwa kanye nengcindezi yesidingo.
Mayelana nenzuzo yemboni, phakathi nesonto, okuthintwe umthelela ophansi wokwenyuka kwezidingo kanye nengcindezi yesidingo ezimbonini ezisezansi nomfula kanye nokudlula kwezindleko ezibuthakathaka, inzuzo yemikhiqizo ephansi ochungechungeni lwezimboni ibonise ukwehla. Nakuba umkhawulo wokulahlekelwa wemboni ye-phenol-ketone emaphakathi ithuthukile, inzuzo yonke yethiyori yochungechunge lwezimboni yehla kakhulu, futhi imikhiqizo eminingi kulolu chungechunge yahlala isesimweni sokulahlekelwa, okubonisa inzuzo ebuthakathaka yezimboni. Phakathi kwazo, imboni ye-phenol-ketone iqophe ukwanda okukhulu kwenzuzo: ukulahlekelwa kwembonini kuleli sonto bekungama-yuan/ton angama-357, kwehle ngo-79 yuan/ton uma kuqhathaniswa nesonto eledlule. Ukwengeza, inzuzo yemboni ye-MMA engezansi yehle kakhulu, ngenzuzo eyingqikithi yamasonto onke yetiyetha yemboni ngama-yuan/ton angama-92, yehle ngo-333 yuan/ton kusukela ngesonto eledlule. Sekukonke, inzuzo yamanje yochungechunge lwezimboni ze-phenol-ketone ibuthakathaka, nemikhiqizo eminingi isabambeke ekulahlekelweni. Izimboni ze-MMA kanye ne-isopropanol kuphela ezinenzuzo yethiyori ngenhla kancane komugqa wokulinganisa.
Ukugxila Okubalulekile: 1. Esikhathini esifushane, amanani entengo kawoyela ongahluziwe angase agcine isimo esiguquguqukayo nesibuthakathaka, futhi izindleko ezibuthakathaka kulindeleke ukuthi ziqhubeke zehla. 2. Ukucindezelwa kokuhlinzekwa kochungechunge lwezimboni kuhlala kunjalo, kodwa amanani entengo yemikhiqizo yochungechunge lwezimboni aphansi ngeminyaka eminingi, ngakho-ke indawo yentengo ephansi ingase ibe nomkhawulo. 3. Kunzima ngezimboni zabasebenzisi bokugcina ukubona ukuthuthuka okuphawulekayo, futhi isidingo esibuthakathaka singase siqhubeke nokunikeza impendulo engalungile phezulu.
Isikhathi sokuthumela: Nov-14-2025