I-M-CRESOL, eyaziwa nangokuthi m-methylphenol noma i-3-methylphenol, iyingxenye ye-organic ngefomula yamakhemikhali C7H8O. Emazingeni okushisa ekamelo, kuvame ukuba luketshezi olungenamibala noma olukhanyayo, oluncibilikayo kancane emanzini, kepha luncibilike kakhulu emanzini, kepha luhlanyeteka kuma-solvents anjenge-ethanol, ether, i-sodium hydroxide, futhi inokuvutha. Le compound inezinhlobonhlobo zezicelo emkhakheni wamakhemikhali amahle.

Inkambu yokubulala izibulala-zinambuzane: Njengento ephakathi nendawo futhi eluhlaza yokubulala izinambuzane, i-m-cresol isetshenziswa kakhulu ekukhiqizeni ama-pyrethroid ama-pesticides ahlukahlukene, anjenge-flaazuron, ne-dicperworopherol, kanye ne-diclylophenol, ngokukhiqiza i-pesticide M-phenoxybenzaldehyde. Ensimini yezemithi, i-m-cresol inezicelo ezahlukahlukene futhi ingasetshenziswa njengento eluhlaza yokukhiqiza izidakamizwa ezahlukahlukene, njengezidakamizwa ezilwa nokuvuvukala, i-m-cresol nayo, i-M-Cresol nayo ingasetshenziswa Lungiselela amadivaysi ezokwelapha kanye nama-disinfectants. Imboni yamakhemikhali enhle: I-M-Cresol ingasetshenziswa ukukhiqiza imikhiqizo ehlukahlukene yamakhemikhali amahle. Isibonelo, lingaphendula nge-formaldehyde ukwakha i-M-Cresol Forkdehyde Resin, okuyinto ebalulekile yokubulala izinambuzane futhi ingasetshenziselwa ukukhiqiza ama-fungicides kanye nezinambuzane. Ngaphezu kwalokho, ingasetshenziswa futhi ukukhiqiza ama-antioxidants, amadayi, izinongo, njll. Ezinye izinkambu: i-m-cresol nayo ingasetshenziswa ukulungiselela izinto ezisebenzayo, njenge-ion exchange resins, ama-adunccelents, njll.

isithombe

1, Sibutsetelo senqubo yokukhiqiza kanye nomehluko wasekhaya nowomhlaba wonke

Inqubo yokukhiqiza yeMeta Cresol ingahlukaniswa ikakhulu izigaba ezimbili: indlela yokukhipha kanye nendlela yokuhlanganisa. Indlela yokukhipha ifaka ukuthola kabusha i-cresol exubile kusuka emikhiqizweni yamalahle yamalahle bese uthola i-meta cresol ngenqubo eyinkimbinkimbi yokuhlukanisa. Imithetho yokuhlanganiswa ekhombisa izindlela ezahlukahlukene ezinjenge-tolune chlorination hydrolysis, indlela ye-isopropyltoluene, kanye nendlela ye-M-TOLUIDIDINE. Umnyombo walezi zindlela ukuvumelanisa i-cresol ngokusabela kwamakhemikhali futhi uqhubeke nokuhlukanisa ukuze uthole i-m-cresol.

Njengamanje, kusekhona igebe elibalulekile kwinqubo yokukhiqiza ye-cresol phakathi kwamazwe e-china namanye amazwe. Yize inqubekela phambili ethile yenziwe kwinqubo yokukhiqiza ye-M-Cresol eChina eminyakeni yamuva, kusekhona ukushiyeka okuningi ekuphathweni kokuphendula kwamakhemikhali, nokuphathwa kwenqubo. Lokhu kuholela ezingxoxweni eziphakeme zeMeta Cresol ye-Meta yasekhaya, futhi ikhwalithi linzima ukuncintisana nemikhiqizo engenisiwe.

2, izinselelo kanye nempumelelo kubuchwepheshe bokuhlukanisa

Ubuchwepheshe bokwahlukanisa bubalulekile kwinqubo yokukhiqiza ye-Meta Cresol. Ngenxa yomehluko wephoyili obilayo ka-0.4 ℃ nokuncibilika kwendawo umehluko we-24.6 ℃ phakathi kwe-meta cresol ne-para cresol, kunzima ukuzihlukanisa ngempumelelo usebenzisa i-distillal distillation kanye nezindlela ze-crystallization. Ngakho-ke, imboni ngokuvamile isebenzisa ama-adsorption ama-molecular ama-adsorption kanye nezindlela ze-alkylation zokuhlukaniswa.

Endleleni ye-molecular Sunger adsorption indlela, ukukhethwa kanye nokulungiswa kwama-molefanelar sieves kubalulekile. Ama-molelisar aphezulu amangqamuzana angakwazi ngempumelelo kahle i-adsorb meta cresol, ngaleyo ndlela athole ukuhlukaniswa okusebenzayo kusuka ePara Cresol. Ngaleso sikhathi, ukuthuthukiswa kwama-catalysts amasha futhi asebenza kahle nakho kuyindlela ebalulekile yokuphumelela kubuchwepheshe bokuhlukanisa. Lawa ma-catalysts angathuthukisa ukusebenza kahle kokuhlukanisa, anciphise ukusetshenziswa kwamandla, futhi athuthukise ukusebenza kwenqubo yokukhiqiza ye-meta cresol.

isithombe

I-3, iphethini yemakethe yomhlaba wonke neyesiShayina ye-cresol

Isilinganiso sokukhiqizwa komhlaba wonke se-Meta Cresol sidlula amathani / ngonyaka we-60000, phakathi kwaso uLangsheng avela eJalimane kanye ne-sasso abavela e-United States abakhiqizi be-meta cresol emhlabeni wonke, ngonyaka ofinyelela kumathani / ngonyaka. Lezi zinkampani ezimbili zisesimweni esiholayo embonini ngokuya ngenqubo yokukhiqiza ye-Meta Cresol, ukulawulwa kwekhwalithi, kanye nokuthuthukiswa kwemakethe.

Ngokuphambene, inani lamabhizinisi okukhiqiza ama-cresol eChina lincane, futhi umthamo wokukhiqiza jikelele usemncane. Njengamanje, amabhizinisi amakhulu okukhiqiza amaChinese Cresol afaka ubuchwepheshe beHaihua, eDonging Haiyuan, no-Anhui Shilian, onamandla akhe okukhiqiza abiza cishe ama-20% okukhiqiza ama-cresol. Phakathi kwazo, ubuchwepheshe be-haihua ngumkhiqizi omkhulu kakhulu we-meta cresol eChina, enomthamo waminyaka yonke wokukhiqiza amathani angama-8000. Kodwa-ke, ivolumu yokukhiqiza yangempela iyashintshana ngenxa yezici ezahlukahlukene ezinjengezinto ezibonakalayo eziluhlaza kanye nokufunwa kwemakethe.

4, ukuhlinzeka kanye nesimo sokufuna nokungenisa ukuthembela

Ukuhlinzekwa kanye nesimo sokufunwa kwemakethe ye-cresol eChina kukhombisa ukuguquguquka okuthile. Yize ukukhiqizwa kwasekhaya kwe-cresol kugcinile ukukhula okuzinzile eminyakeni yamuva nje, kusenegebe elibalulekile lokuhlinzekwa ngenxa yokulinganiselwa kwenqubo yokukhiqiza kanye nokukhula kwemakethe yemakethe ephansi. Ngakho-ke, iChina isadinga ukungenisa inani elikhulu le-meta cresol minyaka yonke ukuze lenze ukushiyeka emakethe yasekhaya.

Ngokusho kwezibalo, ukukhiqizwa kwe-cresol eChina ngo-2023 kwakungamathani angama-7500, kuyilapho ivolumu yokungenisa ifinyelela cishe amathani angama-225. Ikakhulu ngo-2022, ngenxa yokushintshashintsha kwezintengo zemakethe yamazwe omhlaba kanye nokukhula kwesidingo sasekhaya, umthamo wokungenisa i-cresol evela eChina udlule amathani angama-2000. Lokhu kukhombisa ukuthi imakethe ye-cresol eChina ithembele kakhulu kwizinsiza ezingenisiwe.

5, Izitayela Zentengo Yemakethe Nezinto Ezithonya Ukuthonya

Intengo yemakethe ye-meta cresol ithonywa yizici ezahlukahlukene, kufaka phakathi izitayela zamanani ezimakethe zamazwe omhlaba, ukulethwa kwasekhaya kanye nezimo zezidingo, izindleko zokukhiqiza, kanye nezinqubomgomo zokuhweba zamazwe omhlaba, kanye nezinqubomgomo zokuhweba zamazwe omhlaba, kanye nezinqubomgomo zokuhweba zamazwe omhlaba. Eminyakeni embalwa edlule, intengo yemakethe ephelele ye-Meta Cresol ikhombisile ukuthambekela okuqhubekayo okuphezulu. Intengo ephezulu kakhulu uma ifike ku-27500 yuan / ton, ngenkathi inani eliphansi kakhulu lehla liye ku-16400 yuan / ton.

isithombe

Intengo yemakethe yamazwe omhlaba inomthelela omkhulu kwintengo yasekhaya ye-cresol. Ngenxa yegebe elibalulekile lokunikezela emakethe ye-cresol phakathi kweChina, ukungenisa amanani kuvame ukuba yinto enqumayo emanazweni asekhaya. Kodwa-ke, ngokukhula kokukhiqizwa kwasekhaya kanye nokwenza ngcono iketanga lezimboni, ubukhosi bamanani entengo efuywayo buya njalo. Okwamanje, ukuthuthukiswa kwezinqubo zokukhiqiza ezifuywayo kanye nokulawulwa kwezindleko nakho kunomthelela omuhle ngamanani emakethe.

Ngaphezu kwalokho, ukusetshenziswa kwezinqubomgomo zokulwa nokulahla futhi kunomthelela othile ngentengo yemakethe ye-Meta Cresol. Isibonelo, iChina isiqalise uphenyo lokulahla imfucumfucu kwi-Meta Cresol engenisiwe evela e-United States, e-European Union, naseJapan, okwenza kube nzima ngemikhiqizo yaseChina, ngaleyo ndlela kuthinte iphethini kanye nesidingo kanye nomkhuba wentengo wemakethe ye-Meta Cresol yomhlaba.

6, ezansi emakethe yemakethe kanye namandla okukhula

Njengomphakathi obalulekile embonini yamakhemikhali amahle, i-Meta Cresol inezinhlobonhlobo ezahlukahlukene ze-DownStream. Eminyakeni yamuva nje, ukukhula okusheshayo kwezimakethe ze-DownTream MentHoul kanye nezinambuzane, isidingo semakethe seMeta Cresol sikhombise nomkhuba wokukhula oqhubekayo.

I-Menthol, njengesithako esibalulekile Spice, inezinhlobonhlobo zezicelo embonini yamakhemikhali yansuku zonke. Ngokuphishekela abantu ikhwalithi yempilo kanye nokunwetshwa okuqhubekayo kwemakethe yemikhiqizo yansuku zonke yamakhemikhali, isidingo se-menthol siyanda. Njengolunye lwezinto ezibalulekile eziluhlaza zokukhiqiza i-menthol, isidingo semakethe se-M-Cresol siye sanda.

Ngaphezu kwalokho, imboni yokubulala izinambuzane nayo ingenye yezindawo ezibalulekile zesicelo se-meta cresol. Ngokwephuculwa kokwazisa ngezemvelo kanye nokulungiswa kabusha kanye nokwenza ngcono imboni yezibulala-zinambuzane, isidingo sobuthi esisebenzayo, ubuthi obuphansi, kanye nemikhiqizo yokubulala izinambuzane enobungane ikhula njalo. Njengento ebalulekile eluhlaza yokukhiqiza ama-pesticides ahlukahlukene, isidingo semakethe seMeta Cresol sizoqhubeka nokukhula.

Ngaphezu kwezimboni ze-METH kanye nezinduna zokubulala izinambuzane, i-M-Cresol nayo inezinhlelo zokusebenza ezibanzi zizokwenza nezinye izinkambu. Ukuthuthukiswa okusheshayo kwalezi zinkundla kuhlinzeka namathuba akhulayo ukukhula emakethe ye-meta cresol.

7, Ukubuka Okuzayo Neziphakamiso

Uma ubheka phambili, imakethe yaseChina Cresol ibhekene namathuba amaningi nezinselelo. Ngokusebenza kahle kwezinqubo eziqhubekayo zokukhiqiza ezifuywayo kanye nokunwetshwa okuqhubekayo kwezimakethe ezaphansi, amandla okukhula embonini ye-meta cresol aya ngokuya evelele. Ngenkathi ubhekene nezinselelo, imboni yaseCresol eChina nayo inamathuba abanzi wokuthuthuka. Ngokwanda kwezobuchwepheshe, ukunwebisa izimakethe zamazwe omhlaba, ukuqinisa ukusebenzisana namabhizinisi aphansi, kanye nokuthola ukwesekwa kukahulumeni, imboni yaseCresol yaseChina kulindeleke ukuthi ifinyelele ekuthuthukisweni okuzinzile futhi okuqhubekayo ngokuzayo.