Mgbe ihe fọrọ nke nta ka ọ bụrụ otu narị afọ nke mmepe, ụlọ ọrụ kemịkalụ China aghọọla mba kachasị eto ngwa ngwa n'ụwa, usoro mmepụta ihe karịa Europe, United States na Japan na South Korea ka dị mkpụmkpụ nke ukwuu, nke na Europe na United States na mba ndị ọzọ chọrọ ọtụtụ iri afọ iji ruo ọkwa nha, ụlọ ọrụ kemịkalụ China naanị afọ ole na ole agwụla. Ihe dị iche bụ na mgbe nnukwu ọkwa nke ụlọ ọrụ kemịkalụ na Europe na United States gasịrị, ọnụọgụ ngwaahịa kemịkalụ dị mma nke teknụzụ dị elu na-akwado amụbaala nke ukwuu, ebe na China, n'ihi mmepe teknụzụ pere mpe, ọnụọgụgụ ngwaahịa kemịkalụ dị mma amụbaala nwayọ nwayọ.

Ekwere na n'ime afọ 5-10 sochirinụ, usoro nnukwu nke ụlọ ọrụ kemịkalụ China ga-akwụsị, usoro mmepe mara mma ga-agbakwa ọsọ ọsọ. Ugbu a, e nwere ọtụtụ ụlọ ọrụ nyocha n'ime obodo, ọkachasị ndị jikọtara ya na ụlọ ọrụ ndị isi, na-etinye ego na nyocha na mmepe nke kemịkalụ mara mma.

Maka ntụzịaka mmepe nke kemịkalụ dị mma nke China, Pingtou Brother chịkọtara isi ihe ndị a, nke mbụ, ojiji nke obere hydrocarbon dị ka ihe eji eme ihe maka nyocha ntụziaka nhazi miri emi, nke lekwasịrị anya na ọgwụ etiti, ọgwụ etiti na ubi ndị ọzọ. Nke abụọ, maka nhazi miri emi na ojiji nke polycarbon hydrocarbons, nke dị n'okpuru ala na ihe kemịkalụ dị mma, ihe enyemaka na ubi ndị ọzọ; nke atọ, maka nkewa na nhicha nke ihe ndị dị n'elu carbon hydrocarbon na nhazi miri emi na ojiji, nke dị n'okpuru ala na ubi nke surfactants na plasticizers.

Site n'echiche nke ọnụ ahịa, ịgbatị ụlọ ọrụ kemịkalụ dị mma nke ihe ndị na-anaghị emepụta obere carbon bụ ụzọ kachasị ọnụ ala maka mmepụta na nnyocha ugbu a. Ugbu a, ọtụtụ ụlọ ọrụ nyocha sayensị na China na-agbasa ọrụ nyocha nke obere carbon hydrocarbons na kemịkalụ dị mma. Ngwaahịa ndị a na-anọchite anya ya bụ mgbatị kemịkalụ dị mma nke usoro ụlọ ọrụ isobutylene na mgbatị kemịkalụ dị mma nke usoro ụlọ ọrụ aniline.

Dịka nyocha mbụ si kwuo, a gbatịala usoro mmepụta ihe karịrị kemịkalụ dị mma iri ise dị n'okpuru ala nke isobutylene dị ọcha nke ukwuu, usoro mmepụta ihe nke ngwaahịa ndị dị n'okpuru ala nwekwara ọnụego nrụzi dị elu. E nwere ihe karịrị ụdị kemịkalụ dị mma iri isii dị n'okpuru mgbata nke usoro mmepụta aniline, yana ọtụtụ ntuziaka maka ojiji dị n'okpuru ala.

Ugbu a, a na-emepụta aniline site na hydrogenation catalytic nke nitrobenzene, nke bụ mmepụta hydrogenation nke nitric acid, hydrogen na benzene dị ọcha dị ka ihe eji emepụta ihe. A na-etinye ya n'okpuru ala na MDI, ihe enyemaka roba, agba na ihe ndị na-eme ka ọgwụ dị n'etiti, ihe mgbakwunye mmanụ ụgbọala na mpaghara ndị ọzọ. Enweghị ike ịgwakọta benzene dị ọcha na ụlọ ọrụ mmepụta kemịkalụ na ngwaahịa mmanụ, nke na-akwalite mmụba na ojiji nke usoro ụlọ ọrụ mmepụta ihe dị n'okpuru ala nke benzene dị ọcha, ọ ghọwokwa isi ihe ụlọ ọrụ nyocha na mmepe kemịkalụ na-elekwasị anya.

Dịka ụlọ ọrụ dị iche iche e ji emepụta aniline si dị, enwere ike kewaa ya n'ime ụlọ ọrụ ndị a: Nke mbụ, enwere ike kewaa ojiji n'ọhịa nke ihe na-eme ka roba rụọ ọrụ na ihe na-eme ka ọ sie ike n'ime ngwaahịa ise, nke bụ p-amino-diphenylamine, hydroquinone, diphenylamine, cyclohexylamine na dicyclohexylamine. A na-eji ọtụtụ n'ime ngwaahịa aniline ndị a eme ihe n'ọhịa nke ihe na-eme ka ọ dị ike n'ime roba, dịka p-amino-diphenylamine nwere ike imepụta ihe na-eme ka ọ dị ike n'ime 4050, 688, 8PPD, 3100D na ndị ọzọ.

N'ihe gbasara ngwa ngwa roba na oriri antioxidant, aniline dị n'okpuru ala n'ọhịa roba bụ ntụziaka oriri dị mkpa, na-aza ihe dị ka 11% nke mkpokọta oriri aniline, ngwaahịa ndị bụ isi bụ p-amino-diphenylamine na hydroquinone.

N'ime ihe ndị dị na diazo, site na iji aniline na nitrate na ngwaahịa ndị ọzọ, ngwaahịa ndị enwere ike imepụta bụ p-amino-azobenzene hydrochloride, p-hydroxyaniline, p-hydroxyazobenzene, phenylhydrazine, fluorobenzene na ndị ọzọ. A na-ejikarị ngwaahịa ndị a eme ihe n'ọhịa nke agba, ọgwụ na ọgwụ nje. Ngwaahịa ndị a bụ: p-amino-azobenzene hydrochloride, nke bụ agba azo sịntetik, agba hose, agba mgbasa, a na-ejikwa ya eme ihe n'imepụta agba na agba na dịka ihe ngosi. A na-eji P-hydroxyaniline eme ihe na mmepụta nke sulfur blue FBG, acid na-egbuke egbuke odo 5G na agba ndị ọzọ, imepụta paracetamol, antamine na ọgwụ ndị ọzọ, mana a na-ejikwa ya eme ihe na mmepụta nke ndị mmepe, antioxidants na ndị ọzọ.

Dịka nnyocha ahụ si kwuo, ugbu a, ihe mejupụtara aniline eji eme ihe n'ụlọ ọrụ agba China bụ p-amino-azobenzene hydrochloride na p-hydroxyaniline, nke na-akpata ihe dị ka 1% nke oriri aniline, nke bụ ntụziaka dị mkpa maka ojiji nke ihe mejupụtara nitrogen na ala aniline, ọ bụkwa ntụziaka dị mkpa nke nyocha teknụzụ ụlọ ọrụ ugbu a.

Ihe ọzọ dị mkpa e ji aniline eme bụ ime ka aniline dị ọcha, dịka mmepụta nke p-iodoaniline, o-chloroaniline, 2.4.6-trichloroaniline, n-acetoacetanilide, n-formylaniline, phenylurea, bisphenylurea, phenylthiourea na ngwaahịa ndị ọzọ. N'ihi ọnụọgụgụ dị ukwuu nke ngwaahịa aniline halogenation, a na-eme atụmatụ na e nwere ihe fọrọ nke nta ka ọ bụrụ ụdị iri abụọ, nke aghọọlakwa ntụziaka dị mkpa maka ịgbatị usoro ụlọ ọrụ kemịkalụ dị mma nke aniline.

A na-eji ngwaahịa ndị a na-enweta site na iji aniline halogenation, dị ka o-chloraniline, emepụta FBG nke sulfur blue, agba odo odo na-egbuke egbuke nke 5G, imepụta paracetamol, antamine na ọgwụ ndị ọzọ, kamakwa maka mmepụta nke ndị mmepe, antioxidants na ndị ọzọ. A na-eji Diphenyl thiourea eme ihe na mmepụta nke ngwa ngwa vulcanization, capsules vulcanization, taya mmiri, waya na eriri, yana ọgwụ na ihe ndị na-eme ka agba dị nro. A na-eji N-acetoacetanilide eme ihe na mmepụta nke sulfonamides, analgesics, antipyretic ice na ihe nchekwa, na ngwa ngwa vulcanization roba.

Dịka nyocha ezughị ezu si kwuo, ọnụọgụ nke ngwaahịa kemịkalụ aniline halogenated downstream aniline dị ihe dị ka 40% nke ọnụọgụ kemịkalụ aniline dị n'okpuru ala, mana a na-ejikarị ngwaahịa ndị a eme ihe n'ọhịa dị elu, ọnụ ọgụgụ zuru oke adịghịkwa ukwuu. Site na mmepe siri ike nke ngalaba ọgwụ, nnyocha teknụzụ nke aniline halogenation aghọwokwa ụzọ mmepe dị mkpa maka nchọpụta na mmepe teknụzụ nke China.

Ihe ọzọ dị mkpa gbasara aniline bụ mbelata mmeghachi omume, dịka aniline na hydrogen iji mepụta cyclohexane, aniline na sulfuric acid concentrated na soda ash iji mepụta dicyclohexane, aniline na sulfuric acid na sulfuric trioxide iji mepụta p-aminobenzenesulfonic acid. Ụdị mmeghachi omume a chọrọ ọtụtụ ihe enyemaka, ọnụọgụ nke ngwaahịa ndị dị n'okpuru ala abụghịkwa nnukwu, a na-eme atụmatụ na e nwere ihe dị ka ngwaahịa ise. 

N'ime ha, dịka p-aminobenzenesulfonic acid, mmepụta agba azo, wdg., nke e ji mee ihe dị ka ihe ntụnyere, ihe nnwale na ihe nyocha chromatographic, a pụkwara iji ya dị ka ọgwụ nje iji gbochie ọrịa nchara ọka wit. Dicyclohexylamine, bụ nkwadebe nke ihe ndị na-eme ka agba dị n'etiti, yana ihe ndị na-eme ka a kpụọ ọka wit, na nkwadebe nke ihe na-esi ísì ụtọ.

Ọnọdụ mbelata mmeghachi omume nke aniline siri ike, ugbu a, China na-etinyekarị n'ọkwa ụlọ nyocha na obere mmepụta, oke oriri dịkwa obere, nke abụghị isi ihe na-eme ka a gbasaa aniline dị mma n'ime ụlọ ọrụ kemịkalụ dị ala.

Ojiji aniline dị ka ihe eji emepụta ihe nke ọma site na ịgbatị usoro kemịkalụ dị mma, enwere mmeghachi omume arylation, mmeghachi omume alkylation, mmeghachi omume oxidation na nitrification, mmeghachi omume cyclization, mmeghachi omume condensation aldehyde na mmeghachi omume njikọta dị mgbagwoju anya. Aniline nwere ike isonye na ọtụtụ mmeghachi omume kemịkalụ, enwerekwa ọtụtụ ngwa ndị ọzọ. Anyị ga-anọgide na-eme nyocha ụfọdụ gbasara ya, biko na-atụ anya ya.