Lihlahisoa
E sebetsa ka ho khetheha tlhahisong ea joala ea propargyl, 1,4 butynediol le 3-chloropropyne.
Ts'ebetso ea tlhahiso ea joala ea Propargyl le tlhahlobo ea 'maraka
Thepa le ts'ebeliso ea joala bo 2 ba propargyl
2.1 Ts'ebetso e ntle haholo ea holim'a metsi le ho hasana
Propargyl joala e na le polarity e matla le hydrophilicity, hobane e na le -OH, 'me hydrophobicity ke hobane e na le sehlopha sa hydrocarbon, hobane thepa ena e etsa joala ea propargyl e le ntho e se nang ionic, e bontšang ts'ebetso e babatsehang, e nang le foaming e ntle e tlaase, e senyang le ho koloba.Bongata ba lisebelisoa tsa ho kolobisa li phuphumula ha bonolo, athe li-chemical defoaming agents tse ngata li na le metsi a fokolang.Ha ho bapisoa le li-surfactants tse ling, lino tse tahang tsa alkyl li na le boima ba limolek'hule tse nyane, ho hasana habonolo, ho hasana hantle, ho koloba hantle le foam e tlase.Ka lehlakoreng le leng, lino tse tahang tsa alkyl li na le lihlopha tsa hydrocarbon base branched chain, haholo-holo lihlopha tse nyenyane (ka kakaretso methyl), ho na le lihlopha tse peli tsa polar mohahong.Ka lebaka la sebopeho sena sa lik'hemik'hale, lino tse tahang tsa alkyl li na le metsi a matle.Ka lehlakoreng le leng, liketane tsa alkyl-branched ka joala ba propargyl li ka fokotsa ho hoheloa pakeng tsa limolek'hule tsa boahelani 'me tsa etsa filimi e atolosang le e phefumolohang moeling oa mokelikeli oa khase.Ka hona, ha e etse feela foam ka boeona, empa hape e na le bokhoni bo itseng ba ho senya, 'me e ka kopanngoa le mahlahana a mang a ho senya ho bapala karolo e kholoanyane.
2.2 Tšitiso e ntle ea ho bola ea tšepe
Hajoale, li-metal corrosion inhibitors tse sebelisoang mecheng ea acidic hangata ke metsoako ea lintho tse phelang, tse nang le matla a matla a adsorption holim'a tšepe.Sebopeho sa limolek'hule tsa joala ba propargyl se kenyelletsa lihlopha tsa polar le lihlopha tse seng tsa polar.Ke adsorbent ea organic corrosion inhibitors.Ka lehlakoreng le leng, maqhama a ho hokahanya a entsoeng pakeng tsa joala ba propargyl le liathomo tsa tšepe li khothalletsa ho ata ha joala ho isa bohōleng bo itseng.Ka nako e ts'oanang, tlamo ea PI ka molek'hule ea joala ea propargyl e fokotsehile, tlamahano e meraro e sebetsa, 'me sehlopha sa polar hydroxyl se haufi le tlamo ea acetylene, e leng ho matlafatsang adsorption.Sebakeng sa alkaline, joala ba proparynyl bo ka khahlisa Langmuir holim'a aluminium e hloekileng, e nang le phello e ntle ea ho thibela kutu.Propargyl joala ke ka lebaka la ts'ebetso ea eona e ntle haholo, e na le mefuta e mengata ea tšebeliso, haholo-holo e sebelisoang ho li-intermediate tsa meriana, koporo kapa nickel plating polish, chefo e bolaeang likokoanyana e bohareng.Ho phaella moo, joala ea propargyl e ka boela ea sebelisoa e le corrosion inhibitor ea mocheso o phahameng, khatello e phahameng le khatello e phahameng ea hydrochloric acid ka oli le khase ea tlhaho Wells.
2.3 Tšebeliso ea joala ea propargyl
① Li-intermediate tsa bohlokoa ho organic synthesis: indastering ea meriana, proparynol ke karolo ea bohlokoa e bohareng ea sodium fosfomycin, calcium fosfomycin, sulfadiazine, hape e sebelisoa ho hlahiseng joala ba allyl, acrylic, vithamine A le lihlahisoa tse ling tsa meriana;② Mochine o khanyang oa indasteri ea motlakase: metsoako ea joala ea propargyl e na le ho tšoana hantle le ho benya, le ho hanyetsa khanya e ntle ho nickel plating.Ke mofuta o tloaelehileng oa moloko oa bone oa nickel plating brightener, o sebelisoang haholo indastering ea electroplating;③ Ntho ea bohlokoa ea ho tlosa mafome: joala ba proparynyl le metsoako ea eona e tlaase e ka thibela ho bola ha tšepe, koporo, nickel le lisebelisoa tse ling ka lintho tse nang le asiti tse kang acetic acid, phosphoric acid, sulfuric acid, hydrochloric acid;(4) Tsoelo-pele ea peterole: mocheso o phahameng, khatello e phahameng le li-inhibitors tse phahameng tsa hydrochloric acid corrosion inhibitors ke likarolo tse ka sehloohong tse sebetsang hantle tse sebetsang hantle haholo tsa acid corrosion inhibitors ka oli le khase Wells;⑤ e ka sebelisoa e le solvent, chlorinated hydrocarbon stabilizer, fungicide le lisebelisoa tse ling tse tala.
Mokhoa oa tlhahiso
Hona joale, mokhoa o sebelisoang ka ho fetisisa oa ho lokisetsa joala ba propargyl lapeng le linaheng tse ling ke karabelo ea formaldehyde le acetylene ho hlahisa joala ea propargyl le butynediol, eo joala ea propargyl e leng sehlahisoa sa butynediol.Ka ho fetola molumo o nepahetseng oa khase ea acetylene, ho ntlafatsa khatello ea maikutlo, ho fumana boleng bo botle ba pH, karo-karolelano ea joala ea propargyl le butynediol e ka fihla ho 1: 1.6, e le ho ntlafatsa khetho ea joala ea propargyl.Tshebetso: Eketsa copper oxygenated catalyst ka tanka ea ts'ebetso, eketsa metsi a nolofatsang, hlohlelletsa hoo e ka bang 20min, 'me u tšollele motsoako oa catalyst le metsi ka har'a tanka e susumetsang ka pompo.Metsi a nolofalitsoeng le formaldehyde li ile tsa kenngoa ka tanka e tsosolositsoeng ho lokisa tharollo e tsositsoeng e nang le 6% ~ 10% formaldehyde.Mokelikeli o susumetsang o ne o pompeloa ka har'a mochine o nang le pompo ea phepelo ea plunger ho latela tekanyo ea phallo e lekantsoeng, 'me compressor ea acetylene e ile ea qalisoa ho fetola sekhahla sa phallo ea acetylene le ho laola lebelo la ho arabela.Mocheso o itekanetseng le tsamaiso ea khatello ea mochine oa mochine o qalile ho laola mocheso oa mochine ho 90 ~ 130 ℃ le khatello ho (2.0 ± 0.1) MPa.Sistimi ea karabelo e potoloha ka mor'a ho tsoa, 'me ho tsoa ho khutlela tanka e tsosolositsoeng.Litaba tsa formaldehyde ka har'a thepa li ile tsa fumanoa ka mor'a lihora tse 0.5.Ha formaldehyde e setseng e ne e le ka tlase ho 0.3%, potoloho e ile ea emisoa 'me tharollo ea karabelo e ile ea kenngoa ka tanka e bohareng e nang le propargyl le butanediol e ka bang 4% le 6%, ka ho latellana.Ntho e thusang ts'ebetsong ea tlhahiso e hloka ho nkeloa sebaka khafetsa, 'me nako ea phetoho ke matsatsi a 30 ho isa ho a 40.Nitrogen e sebelisoa hammoho le ntho e thusang ho tlosa lintho tse tsoang tsamaisong nakong ea phetoho.Ka mor'a karohano ka ho hloekisa khatello, motsoako o setseng o kenngoa ka tanka ea polokelo e sebelisitsoeng 'me e tiisitsoe ka metsi.Catalyst e ncha e ngotsoe morao ho potoloho e latelang ea tsamaiso ea batching.
Tlhahlobo ea 'maraka oa joala oa Propargyl
Dezhou Tianyu Chemical Co., Ltd. ke e 'ngoe ea lihlahisoa tse' maloa tsa lehae tsa propargyl joala le butanediol likhoebo tse kholo, tlhahiso ea selemo le selemo ea propargyl alcohol 1200T, butanediol 2400T, le boleng ba Jeremane BASF bo lekanang.Henan Haiyuan Fine Chemical Co., Ltd. e ntlafalitse le ho ntlafatsa morero ona motheong oa ts'ebetso ea pele ea tlhahiso ea Shandong Dongfang Le, ka tlhahiso ea selemo le selemo ea 1200T propionyl alcohol le 2400T butanediol.Chaena, joala ba proparynyl bo sebelisoa haholo ha ho etsoa lithethefatsi, sodium phosphate, calcium phosphate, sulfonamide le chefo e bolaeang likokoanyana, e etsang karolo ea 60 lekholong ea kakaretso.Potlako ea nickel plating le flash plating e entse karolo ea 17%.Tlhahiso ea oli e ka bang 10%;Kabelo ea tšepe e ka ba liperesente tse 8;Liindasteri tse ling li etsa hoo e ka bang 5%.Propargyl joala ke k'hemik'hale e chefo e matla e utloang tlhahiso, thekiso le tšebeliso.Ke meriana e ka tlaase ho metsi, chefo e bolaeang likokoanyana, mecha ea litaba ea metallurgic le likarolo tse ling tsa lithuso kapa e 'ngoe ea likarolo.Ho elella bofelong ba 2017, matla a sebetsang a tlhahiso ea malapeng e ne e le 4,770T / a, 'me tlhokahalo e ne e ka ba 4,948T / a.Phepelo le tlhokeho li leka-lekanngoa, 'me ho na le khaello ea nako le nako.
E phethela
Hajoale, tlholisano ea 'maraka ea propanol ea lapeng e bohale, sebaka sa eona se seholo sa ts'ebeliso ke indasteri ea meriana ea fosfomycin, ka taolo ea ts'ebeliso e mpe ea lithibela-mafu le indasteri ea electroplating boiteko ba ts'ireletso ea tikoloho, basebelisi ba propanol ka nako e khuts'oane ha baa ka ba eketseha.Hajoale, re leka ho ntlafatsa ts'ebetso e ncha ea karabelo, ho lula re ntlafatsa tlhahiso ea joala ba propargyl, le ho leka ho fokotsa tšebeliso ea matla ea lihlahisoa tsa joala tsa propargyl.Ho kenngwa tshebetsong ha mesebetsi ena ho tla tswela pele ho fokotsa ditjeho tsa dihlahiswa tsa jwala, ho ntlafatsa phadisano ya dihlahiswa, le ho ikitlaelletsa ho kgotsofatsa tlhokahalo ya mmaraka wa lehae le kantle bakeng sa jwala ba propargy le letoto la dihlahiswa, ho hlahisa melemo e mengata ya moruo le ya kahisano.
