Ini
Muzhinji, zvishandiso zvekurapa zvakatemwa ne ethylene oxide zvinofanirwa kuongororwa uye kuongororwa kuti post-sterilization zvakasara, sezvo huwandu hwenzvimbo hunosara hune hukama nehutano hweavo vanofumurwa nemushini wekurapa. Etleyle oxide inzvimbo yepakati system system yakasvibisa. Kana wakatorwa neganda, kutsvuka uye kuzvimba kunoitika nekukurumidza, kupunzika kunoitika mushure memaawa mashoma, uye kudzokororwa kunogona kukonzera sensitization. Kupaza mvura mumaziso kunogona kukonzera kupisa kwemazita. Kana iri yekufumurwa kwenguva refu kune zvidiki, Neurastia syndrome uye zvinomera zvisina kunaka kusagadzikana kunogona kuoneka. Izvo zvakaziviswa kuti iyo acute oral ld50 mumakonzo ari 330 mg / kg, uye iyo ethylone oxide inogona kuwedzera chiyero chekusimudzira kwefuma yemabhonzo mune makonzo [1]. Mitero yakakwira ye carcinogenicity uye kufa kwakataurwa muvashandi kufumurwa kune ethylene oxide. [2] 2-Chloroethanol inogona kukonzera kuti erythema kana kusangana neganda; Inogona kunyudzwa patsva kuti ive nechisimba. Kumiswa kwemuromo kunogona kuuraya. Kurara kusingaperi-kwenguva refu kunogona kukonzera kukuvadza kune iyo Central Nervous System, Cardiovascular System nemapapu. Mhedzisiro uye yekunze yekutsvaga mhinduro pamusoro peturu yeGlycol inobvuma kuti yayo yeuto yakaderera. Maitiro ayo metabolism akafanana neye ethanol Naizvozvo, huwandu hwemitemo dzinoverengeka zvine zvatakaringana zvasara mushure mekushandiswa neEndylyone oxide. Semuenzaniso, GB / T 16886.7-2015 "Kuongororwa kweBiology Kwekurapa Kwemakumi manomwe neshanu." YY0290.8-2008 wezvekurara kweEndylene oxide.gb/t 16886.7-2015 inotaura zvakajeka kuti kana 2- chloro6.7-2015, zvinotaurwa zvakajeka kuti kana 2-chloro6 zvakare zvakajeka. Naizvozvo, zvinodikanwa kuti uongorore kuongororwa kwechiitiko chakajairika (ethyleethanol, 2-chlorolane oxide, ethylene gulycol) kubva pakugadzirwa, kugadzirwa kwemidziyo yeEndylene, uye maitiro ekurapa.
Ii. Kuongororwa kwekusimbisa kwasara
Iyo yekugadzira maitiro e ethylene oxide yakakamurwa muClorohydrin nzira uye nzira oxidation. Pakati pavo, nzira yekutanga ndiyo yekutanga ethylene oxide Production nzira. Izvo zvinonyanya kuve nemaitiro maviri ekuita: yekutanga nhanho: C2H4 + HCCL - CH2CL - CH2OH; Nhanho yechipiri: CH2CL - CH2OOH + CAH2 - C2H4O + CACL2 + H2O. Maitiro ayo anogadzirisa chigadzirwa chiri pakati (Chloroethanol (Ch2cl-ch2oh). Nekuda kwehunyanzvi hwekuseri kweChlorohydrin nzira, kusvibiswa kwakakomba kwenzvimbo, kwakabatanidzwa nechigadzirwa chekushata kwakanyanya kwemidziyo, vagadziri vazhinji vakabviswa [4]. Iyo oxidation nzira [3] yakakamurwa kuita nzira uye okkoriyande nzira. Zvinoenderana neyakanyanya kuchena kweokisijeni, kugadzirwa kweiyo huru ine maviri maitiro ekuita: yekutanga nhanho: 2c2h4 + o2 - 2c2oh4o; Nhanho yechipiri: C2H4 + 3O2 - 2CO2 + H2O. Parizvino, kugadzirwa kwemaindasitiri kwe ethylene oxide parizvino, kugadzirwa kwemaindasitiri kweEndylene oxide inonyanya kutora ethylene diredidation maitiro nesirivheri. Naizvozvo, maitiro ekugadzira eEtraylene oxide chitsidzo chinosarudza kuongororwa kwe2-chloroethanol mushure mekusvirwa.
Achitaura nezvezvakakodzera zvinopihwa muGB / T 16886.7-2015 Standard of the Confility Proces, kazhinji zvemagetsi zvevarwi mune yekutanga fomu mushure mekushandiswa. Zvinhu zvinokanganisa huwandu hwenzvimbo dzinosanganisira iyo adsorption yeEndylene Oxides uye Steptures nguva, mamiriro ekugadzirisa, etcorage, nezvimwe zvinhu, zvinhu zviri pamusoro sarudza kutiza kugona kwe ethylene oxide. Yakataurwa mumabhuku e5: Zvinhu zvekurasikirwa zveEndylene oxide panguva yekushandisa zvinonyanya kusanganisira: Adsorption yezvemidziyo yekurapa, hydrolysis pasi pemamwe mamiriro ezvinhu ekuzvininipisa, zvichingodaro. Iko kusunganidzwa kwe500-600mg.l-1 inoenderana nehupfumi uye inoshanda, kuderedza kunwa kwemakumi maEndylene oxide uye zvakasara pazvinhu zvakasikwa, kuchengetedza mari inosimbisa.
Chlorine ine huwandu hwakawanda hwekushandisa muindasitiri yemakemikari, zvigadzirwa zvakawanda zvine chekuita nesu. Inogona kushandiswa seyepakati, senge vinyl chloride, kana sechigadzirwa chekupedzisira, chakadai saBleach. Panguva imwecheteyo, Clllline iripowo mumhepo, mvura uye dzimwe nharaunda, kukuvadzwa kumuviri wemunhu kuri pachena. Naizvozvo, apo midziyo yekurapa yakanangana neEndlyne oxide, kuongorora kwakakwana kwekugadzirwa, kusungwa, kuchengetwa uye zviyero zvechigadzirwa zvinofanirwa kutorwa, uye zviyero zvakanangwa zvinofanirwa kutorwa kudzora huwandu hwese hwe2-chloroethanol.
Izvo zvataurwa mumabhuku e26 kuti zvirimo zve2-chlorolanol chakatanga kusvika 150 Muyero yeGB / T16886.7-2015, avhareji yezuva nezuva Dese ye2-chlorolanol kumurwere haafanire kunge anopfuura 9 mg, uye huwandu hwayo hwakasara hwakadzika kupfuura kukosha kweiyo muganho.
Chidzidzo [7] chakayera zvakasara zveEndylene oxide uye 2-chloroethanol mumhando dzehutsinye, uye mhedzisiro ye etheryne oxide yaive 53.7 μg . YY 0167-2005 inotsausa muganho wekuonekwa kweEndylene oxide yeSutures yekuvhiya, uye hapana chirevo che2-chloroethanol. Sutures ine mukana wehuwandu hwemvura yakawanda yemuindasitiri mukugadzira maitiro. Iwo mapoka mana emhando yemvura yemvura yedu pasi pese pese pese pese pese pese panhandare yenzvimbo dzekudzivirira neredhiyo . Yayo huru inoshanda ingano yeCalcium hypochlorite, iyo inogadzirwa nekupfuura gasi reklorine kuburikidza nerimende. Calcium Hypochlorite yakanyungudutswa mumhepo, iyo Main Reaction Fomula ndeye: CA (CLE) 2 + CO2 + H2O-CACO3 + 2hclo. Hypochlorite inoongororwa zviri nyore muHydrochloric acid uye mvura pasi pechiedza, iyo mainform yekuita maitiro ndeye: 2hcclo + Chiedza-2hcl + o2. 2hklorine isiriyo onions inodhinda iri nyore nyore muhutsinye, uye pasi peimwe isina kusimba acidic kana alkaline nharaunda, ethylene oxide inovhura mhete pamwe chete kuti igadzire 2-chloroethanol.
Izvo zvataurwa mubhuku ra [8] kuti iyo yakasara 2-Chlorolanol samples yakawanikwa neAltrasonic Exction neAcetrone Lens Chikamu 8: Zvinodiwa Zvekuti "zvinoti izvo zvinosara huwandu hwe2-chloroethanol pane iol hazvifanirwe kunge zvichidarika 2.0μg pazuva reLens, uye kuti huwandu hwese hwemhando imwe neimwe hachiitike 5.0 iyo GB / T16886. 7-201 inotaura kuti iyo ocular yehupfu hwe 2-chloroethanol rasara ndeye ka4 times yakakwira kupfuura iyo yakakonzerwa neiyo nhanho imwechete ye ethylene oxide.
Mukupfupikisa, kana uchiongorora zvakasara zvekushandisa pakurapa mushure mekushandiswa neEndlyne oxide, ethyleyone oxide, asi zvakasara zvoga zvinofanirwa zvakare kuongororwa zvinoenderana nemamiriro chaiwo.
Munguva yekudzvanywa kwekushandisa zvekurapa, zvimwe zvezvinhu zvekushandisa zvekushandisa pakurapa kana kurongedza zvinhu zvinosanganisira polyvinyl chloride menomer Munguva yekugadzirisa.Bb10010-2009 Medical Medical Soft PVC PIPES inotaurira kuti zvirimo zveVCM haigone kupfuura 1μG.G. - 1. VCM iri nyore nyore polymerized pasi pechiitiko chekutengesa (peroxides, etc) kana mwenje uye kupisa kugadzira polyvinyl chloride rendi, pamwe chete inozivikanwa seVinyl Chloride Resin. Vinyl Chloride iri nyore polymerized pasi pechiitiko cheCatalyst (Peroxide, nezvimwewo) kana mwenje uye kupisa kugadzirwa polyvinyl chloride, pamwe chete kuzivikanwa seVinl Chloride Resin. Polyvinyl chloride inopisa pamusoro pe10 ° C kana kufumurwa kuIltraviolet radiation, pane mukana wekuti hydrogen chloride gasi rinogona kupukunyuka. Ipapo musanganiswa we hydrogen chloride gasi uye ethylene oxide mukati mekodhi inozopa imwe huwandu hwe2-chloroethanol.
Etylene glycol, inogadzikana mune zvakasikwa, haina kuwirirana. Iyo oksijeni atomu muEtraylene oxide inorea maviri emaviri ealekroni uye ine hydrophilikuti yakasimba, iyo inoita kuti zvive nyore kugadzira ethylene glycol kana uchienderana neyakaipa chloriz ions. Semuenzaniso: C2H4O + Nacl + H2O - Ch2Cl - Ch2OOOF + NOH. Kuita uku kwakakosha kwekunetseka pakupedzisira kupera uye kwakasimba kwakasimba pamagumo echiitiko, uye zviitiko zvekuita izvi zvakaderera. Chiitiko chepamusoro ndechekuumbwa kweEtralene Glycol kubva kuEndylene oxide Inonana neMvura: C2H4O + CH2OH -
Kana chlorine chisina kunaka ions ichiunzwa mukugadzirwa, kusungwa, kuchengetedza, kutakura uye kushandisa zvishandiso zvekurapa, pane mukana wekuti idzo idzo ethyliyone oxide ichaita 2-chloroethanol. Sezvo nzira yeChlorohydrr Mukugadzirwa kwezvinhu zvekurapa, zvimwe zvinhu zvinoshandiswa zvine simba zvine chekuita nezvivakwa zveEndylene oxide uye 2-chloroethanol, saka kudzora kwemari yavo yakasara kunofanirwa kutariswa kana uchizozviongorora mushure mekushandiswa. Uye zvakare, panguva yekugadzirwa kwekushandisa zvekurapa, zvigadzirwa zvekushandisa, zvinowedzera, zvokuita inorbitors, uye kana masisitimu, mukana wekuti ethylene oxide under acidic Kuita, uye kusanganisa neyemahara chlorine yakaipa ions kuti aumbe 2-chloroanol inofanira kutariswa.
Parizvino, iyo inowanzo shandiswa nzira yekuona ethylene oxide, 2-chloroanol uye ethylene glycol ndiyo nzira yegesi. Ethylene oxide inogona zvakare kuonwa nenzira yererufu uchishandisa Sulfite Test Solution Solution yekuedza, asi iko kusarudzika kwemhedzisiro inokanganiswa nezvimwe zvinhu mumamiriro ezvinhu ekuedza Kuedza Kwekuedza Kuti Udzore Kuita kweEthylene Glycol, uye nguva yekuisa iyo mhinduro yekuedzwa mushure mekugadzirisa mavara. Naizvozvo, vakasimbisa nzira yekubvumirana (kusanganisira kurongeka, kunyatsoita, mutsara, mutsara, etc.) mune inokodzera laboratity ndeyekuremekedza kukosha kwekusvika kwekusvika kwesipo.
III. Kufungisisa pane yekuongorora maitiro
Ethylene oxide, 2-chloroethanol uye ethylene glycol inozivikanwa kubva mushure mekunge ethylene oxide sterilization yemidziyo yekurapa. Kuita kuti azivikanwe
Pane dzimwe nyaya mbiri dzinofanira kunge dzakatariswa muzvidzidzo chaizvo zvekurapa basa: 1. Kunyangwe zvakafanira kuita kuongororwa kwe 2-chloroethanol. Mukugadzirwa kwe ethyleene oxide, kana iyo tsika yeClorohydrin nzira inoshandiswa, kunyangwe ichinatswa, nzira dzedzimwe dzichaitwa muChigadzirwa inofanira kuongororwa. Kana iyo oxidation nzira inoshandiswa, hapana yekutanga ye2-chloroethanol, asi iyo yakasara huwandu hwenyika dzakakodzera, dziva, nezvimwe muEtraylene oxisi tsika inofanira kutariswa. Zvishandiso zvekurapa zvinoshandisa huwandu hwakawanda hwemvura yemaindasitiri mukugadzira maitiro, uye huwandu hwe hypochlorite uye chlorine zvisina kunaka chigadzirwa, izvo zvikonzero zvekuvapo kwekuvapo kwe2-chlorolanol mune zvakasara. Kune zvekare zviitiko zvekuti zvigadzirwa zvekushandisa uye zvirongwa zvekushandisa zvekurapa zvine midziyo yemasormen Vanosara vanofanira kuongororwa kuti vaongororwe, uye kana paine humbowo hwakakwana hwekuratidza kuti hazvizotyisirwazve musicle yekuona nzira yekuona, bvunzo inogona kusarambwa kudzora njodzi yacho. 2. Kune iyo ethylyone Glycol kuongororwa kwesara. Achienzaniswa neEndylene oxide uye 2-chlorolanol, iyo yekuwongorora yeEndlene Glycol zvakasara, asi nekuti ethylene oxide Zvemukati weEtleslene Glycol mushure mekushandiswa zvine chekuita nekuchena kweEndlyone oxide, uyezve munyoro uye tembiricha uye tembiricha yeGlycol inofanira kutariswa maererano nemamiriro ezvinhu chaiwo . Kuongorora.
Zviyero ndeimwe yezvishandiso zvekuongororwa kwehunyanzvi hwekurapa, ongororo yehunyanzvi yemidziyo yekurapa inofanirwa kutarisa zvinodiwa nekugadzirwa kwechigadzirwa uye kugadzirwa, kushandiswa uye zvimwe zvinhu zvekuongorora zvakaringana zvezvinhu zvinokanganisa Kuchengeteka uye kushanda kwedzidziso uye tsika, kwakavakirwa pane sainzi, kwakavakirwa pazvinhu zvakananga nezvemamiriro ezvinhu chaiwo ekugadzira chigadzirwa, kutsvakwa uye kusimudzira, kugadzirwa uye kushandisa. Basa rekuongorora rinofanira kunge ratarisisa kune zvekurapa mudziyo wekugadzira maitiro ekutonga kwezvibvumirano zvakakodzera, panguva imwecheteyo On-saiti kuongorora kunofanirawo kuve "kutungamirwa" kutevedzera kuzere kwe "maziso" kune kuvandudza mhando yekuongorora, chinangwa chedzidzo yesainzi.
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Kutumira Nguva: Sep-21-2023