Shenyang Huifeng Petrochemical Co., Ltd. Shenyang Macro Chemical Co., Ltd.

Bareki ba ratehang, E ka 'na eaba u hlokometse hore morao tjena "taolo e habeli ea tšebeliso ea matla" e amme matla a tlhahiso ea bahlahisi ba bang, 'me letsatsi la ho fana ka litaelo liindastering tse ling le tlameha ho lieha. Ntle le moo, Ofisi e Akaretsang ea Lekala la Ecology le Tikoloho ea China e lokolitse ka Loetse "Libaka tsa Bohlokoa ka 2021-2022 leano le felletseng la ts'ilafalo ea moea oa Autumn le Mariha," sehleng sena sa hoetla le mariha, liindasteri tse ling li tla tsepamisa maikutlo. ka, matla a ka 'na a thibeloa ho feta. Ho fokotsa tšusumetso ea thibelo ena, re khothaletsa hore u behe odara ea hau kapele kamoo ho ka khonehang e le hore re ka hlophisa mohala oa tlhahiso esale pele le ho netefatsa hore odara ea hau e ka tlisoa ka nako. Mahlohonolo a u atele! Shenyang Huifeng Petrochemical Co.,Ltd

Indasteri ea lisebelisoa tsa lapeng e felisitse ka botlalo sehatsetsi sa R22 nakong ea ho bala Ho ea ka Montreal Protocol, sehatsetsi sa R22 se emisitsoe linaheng tse tsoetseng pele 'me se ntse se ka hlahisoa linaheng tse tsoelang pele, empa nako ea ho hlahisa le ho se sebelisa ke 2030. Ka la 26 Pherekhong 2021, Lekala la Ecology le Tikoloho le ile la fana ka Tsebiso mabapi le Phano ea Likarolo tsa Tlhahiso, Tšebeliso le ho Kena ka 2021 bakeng sa Lintho Tse Felisang Ozone (eo ka mor'a moo e tla bitsoa Tsebiso). Ho latela Molao oa Rephaboliki ea People of China mabapi le Thibelo le Taolo ea Tšilafalo ea Moea, Melawana ea Tsamaiso ea Lintho tse Felisang Lera la Ozone le lipehelo tse ling tse amehang, likhoebo tse 20 li tla fuoa tlhahiso ea lithane tse 292,795 tsa hydrochlorofluorocarbons ( HCFC) ka 2021, mme likarolo tse 46 li tla fuoa palo ea tšebeliso ea lithane tse 31,726 tsa hydrochlorofluorocarbons ka 2021. Ha ho bapisoa le 2020, palo ea tlhahiso ea hydrochlorofluorocarbons (HCFCS) ho kenyeletsoa HCFC-22 e tla lula e sa fetohe ka 2021, athe palo ea ts'ebeliso e tla fokotsoa haholo, 'me e felise HCFCS hape indastering ea lisebelisoa tsa lapeng ea China. Karolo ea tlhahiso e nang le hCFC (HCFC) e tla fanoa bakeng sa hCFC-141B, HCFC-142B, HCFC-22, HCFC-123, HCFC-124 le HCFC-133A. Har'a tsona, HCFC-141B ke sesebelisoa se phophomang metsi se sebelisoang indastering ea sehatsetsi le e futhumatsang metsi. Ha mokhoa oa ho phophoma ka har'a indasteri ea sehatsetsing o ntlafalitsoe ho ba HFC-245FA + cyclopentane foaming system, mme ka la 1 Pherekhong 2019, indasteri ea futhumatsang metsi e thibetse ts'ebeliso ea HCFC-141B ka botlalo. Hcfc-141b e 'nile ea sebelisoa hanyane ka hanyane indastering ea lisebelisoa tsa lapeng. Kakaretso ea kakaretso ea tlhahiso ea hCFC-141B ka 2021 ke lithane tse 50,878, tse sa fetoheng ho tloha 2020. Ha ho bapisoa le palo ea tlhahiso ea HCFC-22, kakaretso ea ts'ebeliso ea hCFC-22 indastering ea moea oa lapeng ka 2021 ke lithane tse 31,726, e leng phokotseho ea lithane tse 3,489 ho tloha ho lithane tse 35,215 ka 2020. Sena se amana haufi-ufi le switjha ea sehatsetsing ka har'a sehatsetsing. indasteri ea ho futhumatsa moea ka lapeng. Kabelo ea 'maraka ea li-conditioner tsa HCFC-22 indastering ea li-air conditioning tsa lapeng e ne e le hoo e ka bang 20% ka 2019,' me karolo ena e tla tsoela pele ho theoha ka 2020. Indasteri ea lehae ea naha ea Chaena e entse katleho e tsotehang ho felisa HCFC-22. Leano la taolo la HCFC-22 la ho kgaotsa bakeng sa indasteri ya Nagae ya ho futhumatsa moya naheng ya China ho tloha ka 2021 ho isa ho 2026 le tjhaellwa monwana ke Komiti ya Phethahatso ya Letlole la Dinaha tse ngata, mme e ikemiseditse ho fedisa tshebediso ya 70% ya hCFC-22 ka 2026, eo e feta kamoo ho hlokehang kemiso ea Montreal Protocol ho fihlela phokotso ea hCFC-22. Re tla kenya letsoho ho feta ho kenngweng tshebetsong ha China ha Porothokhole ya Montreal.

N-hexane ke mokelikeli o se nang 'mala o nang le chefo e fokolang le monko o khethehileng o fokolang. N-hexane ke motsoako oa lik'hemik'hale o sebelisoang haholo-holo e le motsoako oa olefin polymerization joalo ka propylene, extractant bakeng sa oli ea meroho e jeoang, solvent bakeng sa rabara le pente, le mokelikeli bakeng sa mebala. E na le chefo e itseng 'me e tla kena' meleng oa motho ka pampiri ea ho hema le letlalo. Ho pepeseha ha nako e telele ho ka etsa hore motho a be le matšoao a chefo a sa foleng a kang ho tšoaroa ke hlooho, ho tsekela, ho khathala le ho ba bohatsu lithong, e leng se ka lebisang ho akheheng, ho lahleheloa ke kelello, mofetše esita le lefu. N-hexane e sebelisoa haholo-holo e le solvent indastering bakeng sa ho lokisa viscose ho tlama letlalo la lieta, thōtō, Hexane E sebelisoa hangata ts'ebetsong ea ho hlakola le ho hloekisa ts'ebetsong ea tlhahiso ea indasteri ea tlhaiso-leseling ea elektroniki, hammoho le ho tsoa ha oli e tala indastering ea tlhahiso ea lijo [1], phepelo ea propylene solvent tlhahisong ea polasetiki, lisebelisoa tsa ho ntšoa litekong tsa lik'hemik'hale (joalo ka liteko tsa phosgene. ), le tšebeliso ea letsatsi le letsatsi. Hexane e boetse e sebelisoa liindastering tse kang ho ntša lipalesa tsa solvent tlhahiso ea lik'hemik'hale. Haeba e sebelisoa hampe, ho bonolo ho baka chefo mosebetsing

N-Heptane (lebitso la Senyesemane n-Heptane) ke mokelikeli o se nang 'mala, o sa fetoheng. Haholo-holo e sebelisoa e le mokhoa oa ho tseba palo ea octane, hape e ka sebelisoa e le moriana o thethefatsang pelo, motsoako oa solvent, thepa e tala bakeng sa organic synthesis, le ho lokisa reagent ea liteko. Heptane e lokela ho bolokoa sebakeng sa polokelo se phodileng se nang le moea o pholileng. Ipolokele hole le mollo le mocheso. Mocheso oa letamo ha oa lokela ho feta 30 ° C. Boloka setshelo se tiisitsoe. e lokela ho bolokoa hole le oxidizer, u se ke ua boloka hammoho. Ho sebelisoa mabone a thibelang ho phatloha le ho kenya moea. Ho thibetsoe ho sebelisa lisebelisoa tsa mechine le lisebelisoa tse atisang ho ba le litlhase. Sebaka sa polokelo se lokela ho ba le lisebelisoa tsa kalafo ea tšohanyetso tse lutlang le lisebelisoa tse loketseng tsa ho thibela.

N-Pentane, mokhoa oa lik'hemik'hale C 5 H 12 , setho sa bohlano sa alkane. N-pentane e na le li-isomer tse peli: isopentane (ntlha e belang 28 ° C) le neopentane (ntlha e belang 10 ° C), lentsoe "pentane" hangata le bolela n-pentane, isomer ea eona e lekanang. Tšebeliso ea pentane e tloaelehileng 1. E sebelisoa e le mokelikeli o tlaase oa ho bela, mochine oa polasetiki oa indasteri ea foaming, hape e sebelisoa hammoho le 2-methylbutane e le mafura a likoloi le lifofane, bakeng sa ho etsa leqhoa la maiketsetso, moriana o thethefatsang, bakeng sa synthesizing pentanol, isopentane, le joalo ka. 2. Litekanyetso tsa tlhahlobo ea chromatographic ea khase. E sebelisoa e le anesthetic, solvent, cryogenic thermometer, le bakeng sa ho etsa leqhoa la maiketsetso, pentanol, isopentane, joalo-joalo. 3. Bakeng sa ho lokisa khase e tloaelehileng, khase ea calibration le e le molecular sieve desorbent. 4. E sebelisoa e le solvent, khase chromatography reference solution le anesthetic. E boetse e sebelisoa ho organic synthesis le ha ho etsoa li-thermometers tsa cryogenic. 5. E sebelisoa e le solvent ho etsa leqhoa la maiketsetso, moriana o thethefatsang mathe, le synthesize pentanol, isopentane, joalo-joalo.

Tšebeliso e kholo ea n-hexane N-hexane ke solvent e ntle e se nang chefo, e sebelisoang haholo ho ntša oli ea meroho, butyl, butadiene rabara organic synthesis, propylene, olefin polymerization, intermediates meriana, lipente tse tšesaane, le ho hloekisa holim'a tšepe holim'a lisebelisoa tsa mochine. Ntlafatso le ts'ebeliso ea mantlha ea n-hexane Mmaraka o moholo oa n-hexane o sebelisoa indastering ea ho tsoa ha oli ea meroho, e etsang karolo e fetang 60% ea kakaretso ea n-hexane. Boholo ba likopo tse setseng li le indastering ea rabara le ea lik'hemik'hale. Khale koana lilemong tsa bo-1960, linaha tse tsoetseng pele tsa Bophirimela tse kang Europe le United States ka kakaretso li ile tsa khothalletsa "mokhoa oa ho leaching" tlhahisong ea oli ea meroho. Ntle le ho ntšoa ha oli e nyane, oli e jeoang ea lefats'e e hlahisoang ke "leaching method" e nkile 95% ea 'maraka. Hajoale, tlhahisong ea machaba ea oli e jeoang, n-hexane ke sehlapi se seholo sa tlhahiso ea oli e jeoang. Ehlile, palo e nyane ea lik'hamphani tsa oli Japane le Korea Boroa li sebelisa isohexane joalo ka mokelikeli oa ho ntša. Ho tloha bofelong ba lilemo tsa bo-1980, Chaena e ile ea qala ho khothalletsa ka matla tšebeliso ea n-hexane e le motsoako oa ho tlosa oli ea meroho. Litšobotsi tsa ts'ebetso ea hexane leaching: Lethathamo la hexane distillation le khuts'oane, lintho tse hlapollang le tse kotsi li felloa ke matla ka botlalo, limatlafatsi tsa oli ea meroho ha li senngoe ke mocheso o phahameng, polokeho ea oli e jeoang ea matlafatsoa, 'me tšebeliso e tlase ea solvent e tlase. masala, chai e ngata ea oli, tlhahiso e bonolo ea tlhahiso ea indasteri. Hajoale, lik'hamphani tsa lehae tse tšehelitsoeng ka lichelete tsa Machaena le tse kopanetsoeng le tse ikemetseng tse hlahisang oli e jeoang hangata li sebelisa n-hexane joalo ka sehlapolli sa leaching. Likhamphani tsena li hlahisa ho feta 90% ea oli e jeoang 'marakeng oa lehae. Tšebeliso ea n-hexane joalo ka mokelikeli oa oli ea meroho ke tlhoko e tiileng ea mmuso bakeng sa indasteri ea ho lokisa oli e jeoang le maemo a boleng ba sehlahisoa. Ka hona, n-hexane e se e le sehlahisoa se sebelisoang hangata ho hlahisa oli e jeoang, eo hape e leng hexane ea lapeng le kantle ho naha lilemong tsa morao tjena. Ho feta No. 6 solvent oli, butane le solvents tse ling fetohile bohlokoa ka ho fetisisa mefuta e fapaneng ya oli ea meroho leaching solvent. Ntlha e 'ngoe ke hore indastering ea ho ntša oli ea meroho, n-hexane e na le karolo e ikhethang le e ke keng ea nkeloa sebaka. N-hexane e na le sereto sa “kgosi ya qotsulo”. Ho fihlela joale, ha ho sehlapi se seng se khonne ho feta n-hexane ha se ntšoa.

Ts'ebetso ea tlhahiso ea N-hexane Bongata ba tlhahiso ea hexane e tsoang kantle e sebelisa mekhoa ea papatso ea limolek'hule tsa sieve, joalo ka Richfielcd (Richfield) le Watson (Watson) United States, ho sebelisoa raffinate e tsosolositsoeng joalo ka thepa e tala, ka ho sebelisa libethe tse peli kapa ho feta bakeng sa papatso. Tobetsa desorption ho hlahisa n-hexane. Boholo ba baetsi ba hexane ba malapeng ba sebelisa mokhoa oa hydrogenation distillation, o arotsoeng ka mefuta e 'meli: Taba ea pele, hydrogenation ebe e lokisoa. E boetse e tsejoa e le pre-hydrogenation, thepa e tala e futhumatsoa ke phapanyetsano ea mocheso, e fihla mocheso oa karabelo, e kena ka har'a hydrogenation reactor, desulfurization le dearomatization reaction tlas'a ts'ebetso ea catalyst, oli ea solvent le motsoako oa hydrogen li kena ka tanka ea karohano bakeng sa karohano. , ho hlaphoheloa ha haedrojene, oli e qhibilihang ka har'a tora ea ho arola Khaola lihlahisoa tse felileng. Ka kakaretso, ka mor'a hore hydrogenation ea lisebelisoa tse tala, e ntse e arotsoe 'me e khaotsoe ka n-hexane, le mefuta e meng e fapaneng ea oli ea solvent. Monyetla ke hore lisebelisoa tsohle tse tala li fokotsehile ebile li felile, li sebelisa sehlahisoa ka seng ka botlalo. Bothata ke hore letsete le leholo le tšebeliso ea thepa e holimo. Ea bobeli, rectification joale hydrogenation. E boetse e bitsoa post-hydrogenation, tabeng ea n-hexane, thepa e tala e qala ho khaoloa ka har'a hexane e tala ea 66-69 distillation range, bohloeki ba hexane e tala bo ntlafala haholo, 'me kaha sehlopha sa phenyl se e ka har'a n-hexane, hexane ka har'a crude hexane Litaba le tsona li eketsehile haholo, 'me li kenngoa ka hydrodebenzene desulfurization ho hlahisa n-hexane ea boleng bo holimo. Molemo ke hore letsete le nyenyane le tšebeliso ea thepa e nyenyane. Bothata ke hore karolo ea unhydrogenated ha e sebelisoe ka katleho.

Mefuta e fapaneng ea lihlahisoa tsa peterole e amana le litaba tsa lintho tse sebetsang. Haeba mefuta e fapaneng ea distillation e kopana le litlhoko tsa litekanyetso tsa tekheniki ea sehlahisoa, e bontša hore likahare tsa lintho tse sebetsang li kopana le litlhoko tsa tšebeliso, 'me mefuta e mengata ea distillation ke e' ngoe ea matšoao a boleng. Ntlha ea pele e belang: Ha lerotholi la pele la condensate le rotha ho tloha qetellong ea tube ea condenser, 'malo oa thermometer o bonoa hang-hang. Dry point: Lerotholi la ho qetela la mokelikeli le phallang ho tsoa ka har'a condenser ka nako e le 'ngoe ha mokelikeli o ka botlolong ea distillation o fetoha mouoane hang-hang. Ka nako ena, ho bala thermometer ho bonoa hang-hang. Leha ho le joalo, ha e kenyelle marotholi leha e le afe kapa lifilimi tsa metsi maboteng a botlolo ea distillation kapa mochine oa ho lekanya mocheso. Ho tlameha ho boleloa hore ntlha e omileng ha se ntlha ea ho qetela ea ho bela, 'me ntlha ea ho qetela ea ho bela ke mocheso o phahameng ka ho fetisisa, o hlahang ka mor'a hore mokelikeli o ka tlaase ho botlolo ea distillation e fetohe mouoane. Hape ho tlameha ho totobatsoa hore lihlahisoa tsohle tsa oli ea solvent li thehiloe matheba a omileng. Masala: Ha o omme, karolo e sa silafatsoang e bitsoa masalla. Distillation range: Mocheso oa mocheso ho tloha sebakeng se belang sa pele ho ea moo ho omileng kapa ntlha ea ho qetela e belang, e bitsoang "distillation range". Sebaka se belang ha se ntlha ea pele ea ho bela, 'me ntlha e belang ke mocheso ka nako ea ho belisoa. Sebaka se belang hape ha se sebaka sa distillation, 'me sebaka se belang ke moeli oa mocheso oa ho belisa. Ke feela ka mor'a ho belisa, mouoane o thehoa ho senya thepa e arohaneng, kahoo mefuta e mengata ea distillation e phahame ho feta tekanyo ea ho belisoa, 'me moeli o ka holimo oa moeli o belang le moeli o ka tlaase oa mefuta e fapaneng ea distillation e lumellana. Ke mohopolo feela oa thepa e batlang e hloekile e ka nkeloang sebaka. Sebaka sa ho bola: Tekanyo ea thermometer e tsamaellanang le matšoao a pele a ho bola ha mocheso mokelikeli o ka botlolong ea distillation. Peresente ea ho hlaphoheloa: Peresente ea molumo oa condensate o bonoang moqomong o amohelang ha ho ntse ho shejoa ho baloa ha thermometer. Percent Residue: Karolo ea peresente ea oli e setseng e setseng ka botlolong ka mor'a hore botlolo ea distillation e pholile. Peresente e phahameng ea ho hlaphoheloa: Ka lebaka la ho felloa ke nako pele ho qhala sebakeng sa ho bola, peresente e tsamaellanang ea ho hlaphoheloa ea molumo oa mokelikeli cheleteng e amohetsoeng e rekotoa. Kakaretso ea peresente ea ho hlaphoheloa: Kakaretso ea liphesente tse phahameng tsa ho hlaphoheloa le liphesente tse setseng. Phesente ea mouoane: Kakaretso ea liperesente tsa ho hlaphoheloa le tahlehelo ea liperesente. Tahlehelo ea karolo e khanyang: E bua ka tahlehelo ea mouoane oa sampole e fetisitsoeng ho tloha moqomong o amoheloang ho ea ka botlolong ea distillation, tahlehelo ea mouoane ea sampole nakong ea tšilafatso, le tahlehelo ea mouoane e sa kang ea etsoa ka botlolong ea distillation qetellong ea tšilafatso.

Pontšo e tlang ea kantle ho naha ea China e tla thusa Houston ho eketsa maqhama a eona a khoebo le China, ofisiri e kholo ea khoebo ea Houston, seterekeng sa Amerika sa Texas, o boletse puisanong ea morao-rao le Xinhua. Horacio Licon, motlatsi oa mopresidente oa Greater Houston Partnership, mokhatlo oa nts'etsopele ea moruo o sebeletsang sebaka sa Greater Houston, o ile a bolella Xinhua hore pontšo eo ke monyetla o moholo oa hore Houston e tsoele pele ho ntlafatsa likamano tsa eona tsa khoebo le Chaena. "Ona ke monyetla o motle oa ho sebetsa le 'maraka oa bohlokoa haholo," ho boletse Licon. "China ke moruo oa bobeli o moholo ka ho fetisisa lefatšeng. Ke molekane oa bobeli oa khoebo ea Houston. Kahoo ntho leha e le efe e re thusang ho eketsa kamano eo ke ea bohlokoa haholo ho rona." The China International Import Expo (CIIE) e tla tšoaroa ho tloha ka la 5 ho ea ho la 10 Nov ho la Shanghai, e leng e 'ngoe ea litoropo tse kholo ka ho fetisisa Chaena ka baahi le setsi sa lichelete lefatšeng. Jwaloka Pontsho ya pele ya boemo ba mmuso lefatsheng, CIIE e tshwaya phetoho ya mmotlolo wa ntshetsopele ya moruo wa China ho tloha ho o sekametseng kantle ho naha ho ya ho ho leka-lekanya thepa le kantle ho naha. E lebelletsoe ho fana ka tšehetso e tiileng khoebong ea tokoloho le ho ikopanya ha lichaba tsa moruo, le ho bula 'maraka oa Chaena lefatšeng ka bophara. Bahlahlobisisi ba lumela hore khahlano le maemo a lefats'e a ts'ireletso ea khoebo, ponts'o ena e lumellana le boiteko ba nako e telele ba China ba ho batla melemo le ho buella khoebo e lokolohileng. Licon o itse sethala sa mofuta ona se bohlokoa haholo hona joale, haholo nakong eo China le United States li nang le likhohlano tse ntseng li eketseha tsa khoebo. "Ho na le tlhokahalo ea ho lula re tseba ka liphetoho tsa morao-rao tseo re lokelang ho li latela ho etsa hore lihlahisoa li fihlele bareki ba tsona," Licon o itse. "Kahoo ho e-na le ho lahleheloa ke boleng, ke nahana hore mofuta ona oa ketsahalo ke oa bohlokoa le ho feta hona joale." Khoeling e tlang, Licon e tla leba Shanghai, e etelletse pele sehlopha sa baemeli ba 15 ba emelang lik'hamphani tse 12, tse sebetsanang le liindasteri tse fapaneng tse kang theknoloji, tlhahiso, matla le thepa. Licon o itse o batla ho hlahloba le ho utloisisa haholoanyane tikoloho ea khoebo ea Chaena ka sethala sena. "Re na le litebello mabapi le kutloisiso le kutlo ka kotloloho ho tsoa ho balekane ba rona ba Machaena lekaleng la poraefete le ka lehlakoreng la mmuso, melaetsa e mabapi le bokamoso ba khoebo ea China, kamoo mmuso o bonang bokamoso ba khoebo ea China le hore na Houston e tla bapala joang. karolo ea kamano eo, "Licon o itse. Selemong sena ke sehopotso sa bo 40 sa leano la ntlafatso la China le ho bula menyetla, ka lebaka leo likamano lipakeng tsa Houston le China li qalileng, Licon o boletse. "Ha e le hantle ke moo kamano pakeng tsa Houston le China e qalileng ho bua ka nalane," ho boletse Licon. "Kahoo ke kamano e ncha 'me ke mohloli oa bohlokoa oa moruo bakeng sa lik'hamphani tsa rona le bakeng sa lisebelisoa tsa rona tsa khoebo, basebetsi kapa boema-kepe kapa boema-fofane." Ho ea ka Licon, kakaretso ea khoebo pakeng tsa Houston le Chaena selemong se fetileng e ne e le liranta tse limilione tse likete tse 18,8 tsa US. 'Me likhoeling tse tšeletseng tse qalang tsa 2018, khoebo ea linaha tse peli e fihlile hoo e ka bang lidolara tse limilione tse likete tse 13. A re o lebeletse hore palo eo e tsoele pele ho hola. "Re lebelletse kholo e eketsehileng ka 2018 ka kakaretso," ho boletse Licon. "Ke pale e ncha. Re na le seo re ka fanang ka sona. Ka hona, pale ena ea morao-rao e tla tsoela pele ho ntshetsa pele 'me bonyane lipalo-palo li bontša pale e ntle." Licon e tšepa ho matlafatsa tšebelisano lipakeng tsa Houston le China. O itse Houston e na le khoebo e leka-lekaneng le China joalo ka toropo. O tšepa hore lik'hamphani tse ngata tsa Machaena li ka tla ho sebelisa lisebelisoa tsohle tse teng. "Re leka ho fumana litsela tsa ho tsoela pele ho sebelisana le ho holisa khoebo ka tsela e sebetsang bakeng sa mekha eohle," ho boletse Licon.