I-membrane ye-fiber eyenziwe imbobo ubuchwepheshe obubalulekile obusetshenziswa kabanzi ekwelashweni kwamanzi, ezokunakekelwa kwezempilo, kanye nezinye izinhlelo ezahlukahlukene zezimboni. Yaziwa ngamandla ayo okuhlanzwa kahle kakhulu, i-membrane ye-fiber eyenziwe imbobo isebenza njengesisekelo sezinhlelo ezidinga ukuhlukaniswa nokuhlanzwa okunembayo. Ukubaluleka kwayo kubonakala kakhulu ezinhlelweni zokuhlanzwa kwamanzi, ukwelashwa kwe-dialysis, kanye nokuhlanzwa komoya, lapho isakhiwo se-membrane ye-fiber eyenziwe imbobo sinikeza indawo enkulu futhi sivumela ukudlula okungcono kakhulu. Lesi sihloko sethula ukubuka konke okuphelele kwemakethe ye-membrane ye-fiber eyenziwe imbobo, sichaza isimo sayo samanje, indlela yokukhula kwayo, kanye nezinto ezishukumisa ikusasa layo. Sizophinde sihlole ukuhlukaniswa kwemakethe, izinselele, amathuba, kanye nemininingwane yesifunda, sinikeze ukuqonda okunemininingwane okuzuzisa amabhizinisi afuna ukuzuza kulo mkhakha osakhula ngokushesha.

Imakethe yomhlaba wonke yama-membrane anezimbobo iyinani cishe lamaRandi aseNingizimu Afrika ayizigidi eziyi-1.7, okubonisa isidingo esinamandla kuzo zonke izigaba zokuphela. Izibikezelo zemakethe zikhombisa indlela yokukhula enamandla, kulindeleke ukuthi ifinyelele kumaRandi aseNingizimu Afrika ayizigidi ezi-3.8 ngo-2034. Lokhu kukhula kusekelwa yintuthuko kubuchwepheshe be-membrane, ukwanda kokutshalwa kwezimali ezisekelweni zokwelashwa kwamanzi, kanye nokwanda kwezindawo zokusebenzisa ezempilo, ikakhulukazi ekwelashweni kwe-dialysis nasekwelashweni kwegazi. Isidingo esandayo sokubhekana nokushoda kwamanzi nokuthuthukisa imiphumela yezempilo kuzo zombili izifunda ezithuthukile nezisafufusa siyasheshisa ukwanda kwemakethe. Njengoba abakhiqizi benza izinto ezintsha ukuthuthukisa ukuqina, ukukhetha, nokonga kwezindleko kwama-membrane, imakethe yama-membrane anezimbobo ilungele ukukhula okuqhubekayo emashumini eminyaka alandelayo.

Imakethe yama-membrane e-hollow fiber ihlukaniswe ngokubanzi ngohlobo lwezinto zayo, uhlobo lokuhluza, ukucushwa kobuchwepheshe, uhlelo lokusebenza, nokusetshenziswa kokugcina. Izinhlobo zezinto ezisetshenziswayo zihlanganisa izinto ezifana ne-polysulfone, i-polyethersulfone, ne-polyvinylidene fluoride (PVDF). Izinhlobo zokuhluza zihlukaniswe ikakhulukazi zaba yi-microfiltration, i-ultrafiltration, ne-nanofiltration, ngayinye ihlinzeka ngezidingo ezihlukene zokuhlukanisa. Ukucushwa kobuchwepheshe kuyahlukahluka, nama-module e-hollow fiber membrane enzelwe izinhlelo ezicwilisiwe noma zangaphandle ze-cross-flow. Izinhlelo zokusebenza ziyahlukahlukene, zihlanganisa ukwelashwa kwamanzi (ezamasipala nezimboni), ezokunakekelwa kwempilo (ikakhulukazi i-blood dialysis), nokucubungula ukudla & iziphuzo. Izimboni zokugcina zihlanganisa izinsiza zamanzi kamasipala, abanikezeli bezokunakekelwa kwempilo, izinkampani zemithi, nezigaba ezahlukahlukene zezimboni. Lokhu kuhlukaniswa kuvumela izinkampani ukuthi ziqondise izimakethe ezithile ngempumelelo futhi zilungise izixazululo ezidingweni zemboni.

Abalawuli abaningana ababalulekile asekelayo ukukhula kwemakethe ye-hollow fiber membrane. Izinguquko zemithetho emhlabeni wonke ziphoqe izindinganiso eziqinile zekhwalithi yamanzi nezezempilo, ziphoqa izimboni ukuthi zamukele ubuchwepheshe obuthuthukisiwe bokuhlunga njenge-hollow fiber membranes. Ingqalasizinda yamanzi endala ezindaweni eziningi iphoqa ohulumeni nezinkampani zamanzi ukuthi zisebenzise izibuyekezo ezisekelwe kuma-membrane ukuze kuthuthukiswe ukwelashwa nokusetshenziswa kabusha kwamanzi. Ezempilo, ukwanda kwezifo ezingapheli, njengokwehluleka kwezinso okudinga i-dialysis, kuphoqa isidingo sama-hollow fiber filters enziwe kahle kakhulu. Ngaphezu kwalokho, ukugxila okwandayo ekulawuleni amanzi okusimeme kanye nezixazululo zokwelashwa kwamanzi angcolile ezimbonini kuphinde kuphuthume ukwamukelwa kwe-hollow fiber membranes, njengoba zinikeza ukususwa okusebenzayo kwezinto ezingcolile ngomkhondo omncane nokusetshenziswa kwamandla okuncane.

Naphezu kwemibono ethembisayo, imakethe ye-hollow fiber membrane ibhekene nezinselelo ezibalulekile. Izinselelo zokulawula, ezihlukahlukene phakathi kwamazwe nezifunda, zingabambezela ukuvunywa kwemikhiqizo nokungena emakethe, zandisa izindleko zokuhambisana kwabakhi. Ukuhluleka kokuhlinzekwa, ikakhulukazi ngezinto zokwakha ezisemqoka kanye nezinto ze-polymer ezithuthukisiwe, kubeka ubungozi ekutholakaleni kwemikhiqizo okuqhubekayo nasekuzinziseni kwezintengo. Ngaphezu kwalokho, ukuncintisana nezobuchwepheshe bokuhlunga ezihlukile kanye nezinkinga zokungcoliswa kwememori kungathinta ukusebenza kahle nokukhethwa kwamakhasimende. Ukubhekana nalezi zinselelo kudinga ukuvuselelwa okuqhubekayo kwezinto zememori kanye nomklamo wezinsiza, kanye nobudlelwano obuhlosiwe ukuze kuqinisekiswe ukuvikeleka kokuhlinzekwa. Amabhizinisi kufanele futhi ahlale enolwazi ngezinguquko ezithuthukayo zokulawula ukuze agcine inzuzo yokuncintisana.

Imakethe yama-membrane e-hollow fiber inikeza amathuba amakhulu, ikakhulukazi emazweni asathuthuka lapho ingqalasizinda yokwelashwa kwamanzi yanda ngokushesha. Ukwelashwa kwamanzi angcolile ezimbonini kuyisizinda esibona ukwamukelwa okwandayo kwama-membrane e-hollow fiber ngenxa yekhono lawo lokubhekana nezinto eziningi eziyingozi ngempumelelo. Ukuqhubeka kobuchwepheshe, njengokuguqulwa kwendawo nokuhlanganiswa nezinto ezincane kakhulu (nanomaterials), kuthuthukisa ukusebenza kwama-membrane, kuvula imibono emisha yezicelo. Umkhakha wezempilo uqhubeka nokunikeza amathuba okukhula, ikakhulukazi ezicelo zokuhlanzwa kwegazi, lapho i-Stellar Biotech Limited idlala indima ebalulekile ngokuhlinzeka ngezixazululo zezokwelapha ezihambisana nemithetho futhi ezintsha. Ubuchwepheshe babo ekwethulweni nasekuthengisweni kwemishini yezokwelapha ezindaweni ezahlukene buhambisana kahle nesidingo esikhulayo sama-membrane e-hollow fiber athembekile ezindaweni zezokwelapha. Izinkampani ezitshala imali ku-R&D nokubambisana zizokwazi ukuzuza kulawa mathuba aguqukayo.

Isifunda sase-Asia Pacific siyindawo enkulu futhi ekhula ngokushesha kakhulu yemikhiqizo ye-hollow fiber membranes. Ukwanda okusheshayo kwemizi, ukuthuthukiswa kwezimboni, nokungcola kwamanzi okwandayo kuphuthumise isidingo sobuchwepheshe obuthuthukisiwe bokwelapha amanzi emazweni afana neChina, India, naseNingizimu-mpumalanga ye-Asia. Ukutshalwa kwezimali ezitshalweni zokwelapha amanzi omphakathi nokuphathwa kwamanzi angcolile ezimbonini kuyaqina kakhulu kulesi sifunda. Ngaphezu kwalokho, umkhakha wezempilo okhulayo, ngokwanda kwezifo ezingapheli, kukhuphula isidingo sezihlungi ze-hollow fiber ezicini zokwelapha igazi (dialysis). Indawo yase-Asia Pacific enemithetho eshintshashintshayo kanye nemizamo kahulumeni esekela ukutholakala kwamanzi ahlanzekile iqhuba ukukhula kwemakethe. Ezinye izifunda, okubalwa kuzo iNyakatho Melika neYurophu, ziyaqhubeka nokutshala imali ekuthuthukisweni kobuchwepheshe be-membrane, kodwa isivinini sihlala siphansi kancane.

Imakethe yama-membrane e-hollow fiber inabadlali abaningana abavelele, okubandakanya i-Asahi Kasei, i-Veolia, nabanye abahlinzeki bemikhiqizo ye-membrane emhlabeni wonke. Lezi nkampani zigxila ekwenzeni imikhiqizo ibe yintsha, ukwandisa amandla okukhiqiza, kanye nokubambisana kwamasu ukuze kuthuthukiswe ubukhona emakethe. I-Asahi Kasei, ngokwesibonelo, iyaziwa ngama-membrane ayo e-polymer athuthukisiwe kanye nama-module okuhlunga aqinile. I-Veolia isebenzisa ubuchwepheshe bayo obubanzi ezinsizeni zokwelapha amanzi ukuhlanganisa izixazululo ze-hollow fiber membrane ezinhlelweni ezahlukahlukene. Abaholi bemakethe baqhubeka nokutshala imali ku-R&D ukuthuthukisa ukuqina kwama-membrane, ukusebenza kahle kokuhlunga, kanye nokumelana nokungcola. Imizamo yokubambisana nezinkampani zezempilo, njenge-Stellar Biotech Limited, iqhubeka nokushayela ubuchwepheshe nokwamukelwa ezinhlelweni zezokwelapha, ikakhulukazi ku-dialysis kanye nokuhlunga igazi.

Ngokubheka phambili, imakethe ye-hollow fiber membrane kulindeleke ukuthi ibone ukuthuthuka okukhulu kwezobuchwepheshe okuzoshintsha ububanzi bezicelo zayo namazinga okusebenza. Ukuthuthukiswa kwe-membrane surface engineering, okuhlanganisa ne-anti-fouling kanye ne-antimicrobial coatings, kuthembisa impilo ende yokusebenza kanye nokunciphisa ukugcinwa. Ukuhlanganiswa nezinhlelo zokuqapha zedijithali ukuze kube nokulandelelwa kokusebenza ngesikhathi sangempela kulindeleke ukuthi kuthuthukise ukwethembeka ezicelo ezibalulekile. Ukwanda kwe-hollow fiber membranes emikhakheni emisha, njengokuhlanzwa kwe-biopharmaceutical kanye nokuhlungwa komoya, nakho kulindelekile. Izitayela zemakethe zikhombisa ukubambisana okwandayo phakathi kwabakhiqizi be-membrane nezinkampani zezempilo, okubonakaliswa yindima ye-Stellar Biotech Limited ekwenzeni lula izixazululo zamadivayisi ezokwelapha ezithobelayo, ezintsha. Lezi zintuthuko zigcizelela ikusasa elihle elinokungena okuthuthukisiwe kwemakethe kanye nezicelo ezihlukahlukene.

Izibuyekezo zakamuva emkhakheni we-hollow fiber membrane zigqamisa izinto ezintsha eziqhubekayo kanye nokuhamba kwamasu abadlali abakhulu emakethe. I-Asahi Kasei isanda kumemezela ukwethulwa kwemodyuli entsha ye-hollow fiber membrane eyenzelwe ukwelashwa kwamanzi amdoti ezimbonini ngokumelana nokungcola okuthuthukisiwe. I-Veolia yandise i-portfolio yayo ngamayunithi athuthukisiwe okuhlunga i-hollow fiber enzelwe amaphrojekthi okuphinda kusetshenziswe amanzi kamasipala. Emkhakheni wezempilo, i-Stellar Biotech Limited iyaqhubeka nokuqinisa isikhundla sayo njengomholi womhlaba wonke ekwenzeni imikhiqizo yezokwelapha, enikeza imikhiqizo engaphezu kuka-1,100 eqinisekiswe yi-GMP, okuhlanganisa izihlungi zokuhlanzwa kwegazi ezisekelwe ku-hollow fiber membrane. Lezi zenzakalo zikhombisa imvelo eguquguqukayo yemakethe kanye nemizamo eqhubekayo yabaphambili bemboni ukubhekana nezinselelo eziguqukayo nezidingo zamakhasimende.

Ngokuhlanganisa, imakethe ye-hollow fiber membrane ibekwe ukuze ikhule ngokushesha, iholwa ukukhula kwezidingo zokwelashwa kwamanzi, izidingo zezempilo, kanye nentuthuko yezobuchwepheshe. Ukuhlukaniswa kwemakethe kukhombisa izindawo zokusebenza ezihlukahlukene, nezikhathi ezihlukene nezinselelo ezakha izimo zemboni. Ukuhola kwe-Asia Pacific kanye nezindima ezibalulekile zamakampani afana ne-Asahi Kasei, Veolia, kanye ne-Stellar Biotech Limited kugcizelela imvelo yokuncintisana nokubambisana ekhuthaza ubuchwepheshe obusha. Njengoba izinqubomgomo zokulawula zishintsha futhi emakethe ezivela ziqala ukwamukela izixazululo ezithuthukile ze-membrane, i-hollow fiber membrane izohlala iyitekhnoloji ebalulekile ekufezeni ukuphathwa kwamanzi okungaguquguquki kanye nemiphumela ethuthukisiwe kwezempilo. Amabhizinisi axhumana nale makethe anconywa ukuba alandele izitayela ngokucophelela futhi asebenzise ubudlelwano, njengalezo ezinikezwa yi-Stellar Biotech ngesevisi zayo eziphelele zezimboni zokwelapha nezokwelapha, ukuze wandise amathuba okukhula.

Ukuze uthole olunye ulwazi mayelana neStellar Biotech Limited kanye nezobuchwepheshe bayo bezokwelapha ezihambisana nemithetho, sicela uvakashele Ikhaya ikhasi. Ukuze uhlolisise imikhiqizo yabo emisha ephathelene nezicelo zezempilo, bheka Imikhiqizo ikhasi. Funda ngesevisi zabo ezikhethekile zezimboni zokwelapha nezinsiza zokwelapha ku-Isevisi ikhasi, noma thola ukwesekwa kokuhambisana nemithetho nokuthengiswa ku-Ukusekela ikhasi. Hlala unolwazi ngezinto zakamuva zenkampani ngokusebenzisa i-Izindaba Zenkampani ikhasi.