Imithombo Yezindaba Enezimbobo Echaza Kafushane
Njengomcwaningi onolwazi emkhakheni we-fluid dynamics kanye ne-transport incidence, ngingakutshela lokhoimidiya enezimbobo, naphezu kokuba khona okubanzi ekuphileni kwethu kwansuku zonke, bavame ukunganakwa ngendima ebalulekile abayidlalayo ezinqubweni ezahlukene zezimboni, ezemvelo, kanye nezemvelo. Kusukela emhlabathini ngaphansi kwezinyawo zethu kuya ezinhlelweni zokuhlunga ezisetshenziswayo zethu ngisho nesakhiwo sangaphakathi samathambo ethu,imidiya enezimbobozikhona yonke indawo, zisekela buthule izindlela ezigcina umhlaba wethu usebenza.
Imithombo ye-porous ibhekisela ezintweni ezigcwele i-pores noma i-cavities. Lawa ma-pores, noma 'ama-interstices,' avame ukuxhunyaniswa, akha i-labyrinth yeziteshi lapho uketshezi lungageleza khona. Izibonelo zemithombo ye-porous yemvelo zifaka inhlabathi, amatshe e-sedimentary, kanye nokhuni, kuyilapho imithombo ye-porous yokwenziwa ihlanganisa izinto ezifana ne-ceramics, ama-foam ensimbi, kanye nezinhlobo ezithile zezihlungi ezisekelwe ku-polymer.
Isici esithakazelisayo semidiya embozwe yizimbobo umqondo we-'porosity' - igama elilinganisa ubukhulu besikhala esingenalutho entweni. I-porosity inquma ukuthi ingakanani uketshezi olungayigcina impahla nokuthi ingaluthutha kahle kangakanani lolu ketshezi, kungaba amanzi, uwoyela, noma ngisho nomoya. Lezi zakhiwo zenza imithombo embozwe ibe ngumdlali obalulekile ezindaweni ezahlukahlukene njenge-hydrology yamanzi angaphansi komhlaba, ukubuyiswa kwamafutha, ukulungiswa kokungcola, kanye nokufakelwa kwezokwelapha.
Njengoba singena shí ocwaningweni lwemidiya evulekayo, sizochaza imiqondo eyinkimbinkimbi kakhulu njengokuvuleka kwamanzi, isakhiwo semigodi, ukugeleza koketshezi, kanye nomthetho kaDarcy, izimiso ezakhela phezu kokuqonda okuyisisekelo kwemigodi. Sizohlola nokuthi imithombo evulekayo ihlukaniswa kanjani, izici zayo zomzimba, kanye nezinhlelo zokusebenza eziningi zangempela abazitholile ezimbonini ezahlukene.
Ukutadisha imithombo yezindaba enezimbobo akuyona nje into yesayensi. Luhambo oluveza amanethiwekhi angabonakali ngaphakathi kwezinto, isenzo esicashile se-capillary esiqhuba ukuthuthwa koketshezi, kanye nendima enamandla edlalwa yilezi zinto emikhakheni eyahlukahlukene. Njengomuntu onikele ingxenye ebalulekile yomsebenzi wami ekuhloleni lezi zinto eziyinkimbinkimbi, ngiyakumema ukuthi uhlanganyele nami njengoba sihlola umhlaba othakazelisayo wemithombo yezindaba enezimbobo.
Izimiso Eziyisisekelo Zemidiya Enezimbobo
Izimiso eziyisisekelo zemidiya evulekayo ziyimfihlakalo kodwa ziyathandeka. Lezi zimiso zithonya izenzakalo zemvelo kanye nezinqubo ezenziwe ngabantu ngokufanayo, ngakho-ke ukuziqonda kuvula indlela yokuqonda okumangalisayo kanye nentuthuko. Ake sithole izimiso eziyisisekelo zemidiya evulekayo bese sibheka ukuthi zibusa kanjani umhlaba wethu.
Isimiso sokuqala esiyinhloko sizungeza umqondo we-porosity. Lokhu kulinganisa isikhala se-void noma i-pore entweni ethile uma kuqhathaniswa nomthamo wayo wonke. Ungacabanga ngesiponji, esigcwele imigodi evumela amanzi ukuthi angene futhi agcinwe. I-porosity yento ithonya kakhulu ikhono layo lokuqukatha nokuthutha uketshezi, impahla esetshenziswa ezimbonini ezifana nokubuyisa uwoyela kanye nobunjiniyela bezemvelo.
Okulandelayo ukuvuleka kwamanzi, okulinganisa ikhono lendawo enezimbobo zokuvumela uketshezi ukuthi ludlule kuyo. Cabanga ngokuthela amanzi ebhodweni eligcwele isihlabathi. Izinga amanzi angena ngalo esihlabathini liyisilinganiso sokuvuleka kwamanzi kwesihlabathi. Lesi simiso asigcini nje ngokuvaleleka esihlabathini noma enhlabathini, kodwa sibalulekile ezindaweni ezifana ne-hydrology yamanzi angaphansi komhlaba ngisho nasemkhakheni wezokwelapha, lapho ukuvuleka kwamanzi emathanjeni kuthinta khona izinhlelo zokulethwa kwemithi.
Ukuqondaisakhiwo semboboKubalulekile futhi lapho kufundwa ngemidiya embozwe ngembobo. Lokhu kuhilela ukuhlola usayizi, ukuma, kanye nokusatshalaliswa kwembobo ngaphakathi kwe-medium. Isakhiwo sembobo sivame ukunquma amandla omshini we-medium, izakhiwo zokushisa, kanye nokusebenza kwamakhemikhali, okuthinta ukufaneleka kwayo ezinhlotsheni ezahlukene, kusukela ezinhlelweni zokuhlunga kuya kuma-heat exchanger.
Okokugcina, isimiso esiyinhloko esihlobene nokuhamba koketshezi ezindaweni ezinezimbobo ngumthetho kaDarcy. Lo mthetho, owasungulwa unjiniyela waseFrance uHenry Darcy ngekhulu le-19, unikeza incazelo yezibalo yokugeleza koketshezi endaweni enezimbobo. Umthetho kaDarcy usetshenziswa kakhulu ekubumbeni amanzi angaphansi komhlaba, ubunjiniyela bamachibi, kanye nokuklama izinqubo ezahlukene zokuhlunga.
Lezi zimiso eziyisisekelo zemidiya evulekayo zibeka isisekelo sokuhlola okujulile nokubanzi kwale ndaba. Njengomuntu ochithe iminyaka eminingi egxile kwisayensi yemidiya evulekayo, ngilangazelela ukwabelana nawe ngezinto eziyinkimbinkimbi kanye nobunzima balo mkhakha. Njengoba siqhubeka nohambo, sizohlola ukuhlukaniswa kwemidiya evulekayo, izici zayo zomzimba, kanye nezinhlelo zokusebenza eziningi zomhlaba wangempela ezinikezayo. Zibophezele kulolu hambo lwesayensi!
Ukuhlukaniswa Kwemidiya Enezimbobo
Imidiya egobhozayo, enezakhiwo zayo ezikhangayo ze-pore kanye nezakhiwo zayo zokuthutha, iyindawo ethakazelisayo yokufunda. Kodwa ngaphambi kokuba singene shí ezicini zayo zomzimba ezihlukile kanye nezinhlelo zokusebenza ezahlukahlukene, ake sizihlukanise ngezigaba. Ukuqonda ukuhlukaniswa kwemidiya egobhozayo kubalulekile ukuze siqonde indima yayo emvelweni kanye nendlela esisebenzisa ngayo izakhiwo zayo ezinhlelweni zobuchwepheshe.
Imithombo yezindaba enezimbobo ingahlukaniswa ngokuyinhloko ngezigaba ezimbili: imithombo yezindaba yemvelo kanye neyokwenziwa noma eyenziwe ngumuntu enezimbobo.
Imidiya Yemvelo Enezimbobo
Njengoba igama lisho, imithombo yemvelo enezimbobo yakhiwa ngokwemvelo eminyakeni eyizinkulungwane, ngezinye izikhathi izigidi.
Inhlabathiziyizibonelo ezivame kakhulu zemithombo yemvelo enezimbobo. Izikhala eziphakathi kwenhlabathi ziyikhaya lezakhamzimba ezibalulekile namanzi, ezisekela impilo yezitshalo futhi zithonya izinhlelo zemvelo. Ucwaningo lokuvuvukala kwenhlabathi lubalulekile ekuqondeni i-hydrology yamanzi angaphansi komhlaba kanye nokuqondisa imikhuba yezolimo.
Amatshe angcolile, njengetshe lesihlabathi kanye ne-limestone, kungenye izibonelo zemithombo yemvelo enezimbobo. Zinesithakazelo esikhethekile embonini yamandla ngenxa yendima yazo njengamatshe okugcina amanzi, ukubamba nokugcina ama-hydrocarbon.
Izinkuni, isibonelo sebhayoloji semidiya enezimbobo, ikhombisa ukumbobo ngenxa yesakhiwo sayo samaseli. Ukungenela kokhuni kuthonya izinqubo ezinjengokomisa, ukwelashwa kokulondoloza, ngisho nekhwalithi yezinsimbi zomculo ezenziwe ngokhuni.
Imidiya Enezimbobo Zokwenziwa
Ngakolunye uhlangothi, imithombo yezokuxhumana enezimbobo zokwenziwa yenziwe ngabantu, eyenzelwe ukusebenzisa izakhiwo ze-porosity kanye ne-permeability yezinhlelo zokusebenza ezithile.
Izinto zobumbafuthiamagwebu ensimbiNgokuvamile zenzelwe ukuba nezimbobo ezilawulwayo kanye nesakhiwo sezimbobo, ezisebenza njengezihlungi, izisekelo ze-catalyst, kanye nezishintshi zokushisa. Zingamelana namazinga okushisa aphezulu kanye nezimo zamakhemikhali ezinzima, okwenza zifanelekele ukusetshenziswa kwezimboni.
Izihlungi ezisekelwe ku-polymersimelela olunye uhlobo lwemidiya yokwenziwa enezimbobo, esetshenziswa kabanzi ekuhlanzweni kwamanzi, ekuhlanzweni komoya, kanye nasekusetshenzisweni kwezokwelapha. Ukuvuleka kwawo kanye nokuvuleka kwawo kungalawulwa ngokunembile ngesikhathi sokukhiqiza, okwenza kube amathuluzi ahlukahlukene okuhlunga nokuhlukanisa izinqubo.
Ukuqonda ukuhlukaniswa kwemidiya evulekayo kuyisinyathelo sokuqala sokuqonda ukusetshenziswa kwayo okuhlukahlukene kanye nokubaluleka kwayo. Yinsimu engisebenze kuyo iminyaka eminingi, futhi ayiyeki ukungimangaza ukuthi lezi zakhiwo ezinezimbobo, zemvelo nezokwenziwa, zithinta kanjani umhlaba wethu buthule kodwa ngokuphawulekayo. Njengoba siqhubekela phambili, sizohlola izici zazo zomzimba, sithole okwengeziwe ngalo mbuso othakazelisayo wemidiya evulekayo.
Izici Zomzimba Zemidiya Enezimbobo
Umhlaba wezinto ezimbozwayo uyamangalisa. Izici zabo zomzimba ezihlukile ziyabahlukanisa, zibanike imisebenzi eyahlukahlukene ezindaweni zemvelo nezokwenziwa. Ngemva kweminyaka eminingi ngihlola ukujula kwalezi zinto ezikhangayo, ngingafakazela ukuguquguquka kwazo okungavamile kanye nomthelela wazo. Ake sihlole lezi zici zomzimba, ezenza izinto ezimbozwayo zibe yitshe elibalulekile emikhakheni eyahlukahlukene.
Ukuvuleka kanye nokuvuleka
Njengoba sesixoxile ngaphambili, i-porosity iyisilinganiso sevolumu engenalutho nevolumu iyonke ye-medium enezimbobo. Kodwa-ke, ukusebenza kwe-media enezimbobo akunqunywa yi-porosity yodwa. Ukuvuleka, okubonisa ukuthi uketshezi lungadlula kalula kanjani ku-media, kubaluleke ngokulinganayo. Isici esithakazelisayo ubudlelwano phakathi kwalokhu okubili: ngenkathi i-porosity ephezulu ivame ukuholela ekuvulekeni okuphezulu, ukuhlangana okuqondile kuthonywa yizici ezifana nesakhiwo se-pore kanye nezakhiwo zoketshezi.
Isakhiwo Sembobo
Isakhiwo sembobo, esihlanganisa izici ezifana nosayizi wembobo, ukuma, kanye nokusatshalaliswa, sithonya kakhulu izakhiwo zemishini, ukushisa, kanye namakhemikhali zento yokusetshenziswa. Isibonelo, imbobo encane ingaholela ekusebenzeni okukhulu kwe-capillary, into ebalulekile ezinqubweni ezifana nokusebenzisana komhlabathi namanzi kanye nobuchwepheshe bokuphrinta i-inkjet. Ukuxhumana kwembobo nakho kudlala indima ebalulekile ekunqumeni ukuthi uketshezi lungageleza kanjani ngempumelelo kule nto yokusetshenziswa.
Ukumuncwa Nokumuncwa
Imithombo ye-porous inamandla okumunca nokumunca, isebenza njengezihlungi zemvelo. Indawo enkulu yangaphakathi ehlinzekwa yi-pores yenza imithombo ye-porous ibe ngcono kakhulu ekumunceni amagesi noma izinto ezincibilikayo ebusweni bazo. Ekumunceni, le mithombo ye-porous ingamunca uketshezi olufana nesiponji. Lezi zakhiwo zisetshenziswa ezinhlelweni ezahlukene zokuhlunga, izinqubo zokususa ukungcola, ngisho nasezifakelweni zezokwelapha lapho kudingeka khona ukulethwa kwemithi.
Isenzo se-Capillary
Isenzo se-capillary singenye isici esiphawulekayo somzimba esibonakala ezindaweni ezinezimbobo, lapho ukunyakaza koketshezi kwenzeka khona ngokumelene namandla adonsela phansi ngenxa yemiphumela yokucindezeleka kobuso. Lesi simiso sisekela izinqubo zemvelo njengokuthuthwa kwamanzi ezitshalweni futhi sisetshenziswa ekuhlanzeni izindwangu nasekuxilongweni kwezokwelapha kwamadivayisi e-microfluidic asekelwe ephepheni.
Ukudluliselwa Kokushisa
Izici zokudlulisa ukushisa kwemidiya evuvukele zinemiphumela ebanzi, kusukela ezinhlelweni zokugcina amandla kuya ekupholiseni kwe-elekthronikhi. Uketshezi olungaphakathi kwemigodi lungamunca, lugcine, futhi lukhiphe inani elikhulu lokushisa, okwenza imidiya evuvukele ibe ngcono kakhulu ekulawuleni ukushisa.
Ngayinye yalezi zici zomzimba inegalelo ekusebenzeni okubanzi kanye nokuguquguquka kwemidiya evulekayo, okwenza ibe yingxenye yemikhakha eminingana yesayensi, ubunjiniyela, kanye nobuchwepheshe. Ngichithe umsebenzi wami ngivula imininingwane eyinkimbinkimbi yalezi zici, futhi kuyinjabulo yami ukwabelana ngalolu lwazi nani. Njengoba sithuthuka, sizohlola ukusetshenziswa okumangalisayo kwemidiya evulekayo, sisebenzise imiqondo ecebile esiyihlanganisile kuze kube manje. Zibophe njengoba siqhubeka nalolu cwaningo olujabulisayo!
Ukusetshenziswa Kwemidiya Enezimbobo Ezimbonini Ezihlukahlukene
Ukusetshenziswa kwemithombo yezindaba enezimbobo kuhlukahlukene njengoba kuningi, kugcwele cishe yonke imboni. Izici zazo ezihlukile zokwakheka kwemithombo, ukungena kwamanzi, kanye nesakhiwo semithombo yezindaba zivumela ukusetshenziswa okuhlukahlukene, kusukela ekuphathweni kwamanzi kuya ekugcinweni kwamandla, kuya kubunjiniyela bezokwelapha. Emsebenzini wami, ngibe nelungelo lokuzibonela mathupha umthelela omkhulu wemithombo yezindaba enezimbobo emikhakheni eminingi, futhi kuyintokozo yami ukwabelana ngalokhu kusebenza okuhlukahlukene nawe.
Ukwelashwa Kwamanzi
Emkhakheni wokwelashwa kwamanzi, imithombo evulekile efana ne-activated carbon kanye ne-zeolites isetshenziswa njenge-adsorbents enamandla, ihlunga ukungcola okuyingozi emanzini. Indawo yabo enkulu yangaphakathi ibavumela ukubamba nokususa ukungcola okuhlukahlukene, okuhlinzeka ngendlela elula kodwa ephumelelayo yokuhlanza amanzi.
Ukubuyiselwa Kwamafutha
Ekubuyiselweni kwamafutha, isakhiwo esinezimbobo zedwala le-sedimentary sidlala indima ebalulekile. Lawa matshe asebenza njengezindawo zokugcina lapho kugcinwa khona uwoyela negesi. Amasu okubuyisa uwoyela athuthukisiwe, njengokujova ngamanzi noma igesi, athembele ezimisweni zokugeleza koketshezi ngalezi zimbobo ukuze akhiphe i-hydrocarbon eningi ngangokunokwenzeka.
Ubunjiniyela bezokwelapha
Emkhakheni wobunjiniyela bezokwelapha, izinto ezinezimbobo zisetshenziswa kakhulu. Izitsha zobumba noma izinsimbi ezinezimbobo zisetshenziselwa ukufakwa kwamathambo, isakhiwo sazo esinezimbobo senza amathambo akhule futhi ahlanganiswe nezicubu eziphethwe yiwo. Ekulethweni kwemithi, imithombo enezimbobo ingaklanywa ukuze kulawulwe ukukhishwa kwemithi, kuthuthukiswe ukusebenza kahle kokwelashwa.
Ukugcinwa Kwamandla Nokuguqulwa
Izinto ezinezimbobo zibalulekile ekugcineni nasekusebenziseni amandla okuguqula. Kumaseli kaphethiloli namabhethri, ama-electrode anezimbobo enza kube lula ukuthuthwa kwama-ion nama-electron, okwandisa ukusebenza kwawo kahle. Ekugcinweni kwamandla okushisa, izici ezinhle kakhulu zokudlulisa ukushisa zemidiya enezimbobo zisetshenziswa ukugcina nokuthola amandla okushisa.
Isayensi Yenhlabathi Nezolimo
Uhlobo lomhlabathi olunezimbobo, indawo ebalulekile yemvelo enezimbobo, luthinta kakhulu imikhuba yezolimo. Amandla omhlabathi okugcina amanzi nezakhamzimba athinta ngqo ukukhula kwezitshalo kanye nokukhiqiza kwezitshalo. Ukuqonda ukuvuleka kanye nokugeleza kwamanzi enhlabathini kubalulekile ukuze kusetshenziswe kahle izindlela zokunisela kanye nokuphathwa kwezakhamzimba.
Izinto Zokwakha Nezokwakha
Embonini yokwakha, izinto ezimbobo ezifana nokhonkolo oluvuvukele kanye nengilazi ye-foam zisetshenziselwa ukukhanya kwazo, ukuvikela ukushisa, kanye nezakhiwo zokumunca umsindo. Lezi zinto zinegalelo ezakhiweni ezisebenzisa amandla kahle, zivula indlela yemikhuba yokwakha esimeme.
Ukusetshenziswa okuningi kwemithombo yezindaba evulekile kugcizelela ukuguquguquka kwayo okumangalisayo kanye nokubaluleka kwayo emikhakheni eyahlukene. Lapho siqonda kakhulu lezi zinto ezithakazelisayo, kulapho singakwazi khona ukusebenzisa izakhiwo zazo ukuze kuzuze umphakathi. Njengoba siqhubeka nohambo lwethu.Ngenxa yemithombo yezindaba evulekayo, sizohlola izinselele kanye namathuba esikhathi esizayo ahlobene nokusetshenziswa kwazo, sinikeze ukuqonda okucebile ngokubaluleka kwazo. Hlala nathi njengoba sihamba kule ndawo ethokozisayo!
Izinselele kanye namathemba esikhathi esizayo eMidiya Engenazo Izimbobo
Njenganoma yimuphi umkhakha wesayensi, ukutadisha nokusebenzisa imithombo yezindaba enezimbobo kuza nezinselelo zayo ezihlukile. Kodwa-ke, lezi zinselelo zivula indlela yokusungula izinto ezintsha kanye nempumelelo, ziqhubeka nokwakha amathuba esikhathi esizayo emithonjeni yezindaba enezimbobo. Uhambo lwami kulo mkhakha lunginike ukuqonda ngalezi zinkimbinkimbi kanye namathuba ajabulisayo ezinawo.
Izinselele
Enye yezinselele ezibalulekile ekusebenzeni ngemidiya enezimbobo itholakala ekuchazeni kwazo. Ukulinganisa imbobo, ukungena kwamanzi, kanye nesakhiwo sembobo ngokunembile, ikakhulukazi ezingeni le-microscopic, kungaba nzima kakhulu kwezobuchwepheshe. Amasu okuthwebula izithombe athuthukisiwe njenge-X-ray microtomography kanye ne-Scanning Electron Microscopy (SEM) avame ukusetshenziswa, kodwa adinga imishini eyinkimbinkimbi kanye nobuchwepheshe.
Enye inselele ivela emvelweni wokungafani kwemithombo eminingi yezimbobo. Ukwehluka ngobukhulu bezimbobo kanye nokusatshalaliswa kwazo kungaholela ezindleleni zokugeleza ezingalingani kanye nezenzakalo zokuthutha eziyinkimbinkimbi, okwenza kube nzima ukwenza amamodeli azo ngokwemfundiso kanye nezicelo ezisebenzayo.
Uma kwenzeka izinto ezimbozwe ngokwenziwa, ukufeza ukulawula okunembile isakhiwo sembozwe ngenkathi kugcinwa ubuqotho bezinto ezibonakalayo kungaba nzima. Inqubo yokukhiqiza idinga ukulungiswa kahle ukuze ilinganisele lezi zidingo ezingqubuzanayo.
Amathemba Esikhathi Esizayo
Naphezu kwalezi zinselele, ikusasa lemithombo yezindaba enezimbobo libukeka lithembisa, ngenxa yocwaningo oluqhubekayo kanye nentuthuko yezobuchwepheshe. Kunomfutho omkhulu wokuthuthukisa izinto ezinezimbobo ezinezakhiwo ezenzelwe ukusetshenziswa ezithile, kusukela ezakhiweni ezisebenzisa amandla kahle kuya ezinhlelweni zokulethwa kwezidakamizwa eziqondiwe.
Isibonelo, emkhakheni wokugcina amandla, ucwaningo luyaqhubeka lokuklama ama-electrode anezimbobo ezinezakhiwo ezifanele zokuthuthukisa ukusebenza kwebhethri. Kubunjiniyela bezemvelo, imizamo igxile ekwakheni ama-adsorbents anezimbobo asebenza kahle kakhulu ukuze kususwe ukungcola.
Insimu ekhulayo ye-nanotechnology nayo ithonya ikusasa lemidiya embozwe ngembobo. Izinto ezimbozwe ngembobo ze-nano, ezinembobo ezikububanzi be-nanometer, zibonisa izakhiwo ezihlukile futhi kulindeleke ukuthi ziguqule izindawo ezifana nobuchwepheshe bezinzwa, i-catalysis, kanye ne-nanomedicine.
Ekuphetheni, imithombo yezindaba enezimbobo, enezimpawu zayo zomzimba ezahlukahlukene kanye nokusebenza okubanzi, inikeza indawo evundile yokusungula izinto ezintsha nokuthola ulwazi. Nakuba izinselele zibalulekile, azinakwahlulwa. Ngocwaningo oluqhubekayo kanye nentuthuko, amandla emithombo yezindaba enezimbobo azokhula nakakhulu, avule amathuba amasha namathuba. Njengoba siphetha lokhu kuhlola imithombo yezindaba enezimbobo, ngithemba ukuthi ngikwazile ukuvusa intshisekelo yakho kanye nokwazisa kwakho ngale nsimu ethakazelisayo. Joyina nathi futhi njengoba siqhubeka nokuxazulula ubunzima bomhlaba wesayensi!
Imibuzo Evame Ukubuzwa Mayelana Nemidiya Enezimbobo
Emizamweni yethu yokuqonda imithombo yezindaba enezimbobo, imibuzo iyaphakama ngokungenakugwenywa. Lesi sigaba sibhekana nemibuzo eyishumi nambili evame ukubuzwa, sikunikeza ukuqonda okujulile ngomhlaba othakazelisayo wemithombo yezindaba enezimbobo.
1. Yiziphi ezinye zezibonelo ezivamile zemidiya evulekayo?
Izinto eziningi zemvelo nezenziwe ngabantu zisebenza njengemithombo yezindaba enezimbobo. Izibonelo zemvelo zifaka inhlabathi, amatshe, kanye nezicubu zezinto eziphilayo, kuyilapho imithombo yezindaba enezimbobo zokwenziwa ihlanganisa izinto ezifana namagwebu, izinto zobumba, kanye nama-polymer athile. Izimboni zisebenzisa imithombo yezindaba enezimbobo kakhulu, ngezinhlelo zokusebenza ezisukela ekutholeni uwoyela kuya ekunakekelweni kwamanzi kanye nobunjiniyela bezokwelapha.
2. Kunqunywa kanjani ukuvuleka kwesikhala esingenazo izikhala?
Ukuvuleka kwamanzi, okuyisici esibalulekile semidiya evuleka amanzi, kunquma ukuthi uketshezi lungageleza kalula kangakanani ngokusebenzisa le ndlela. Ngokuvamile kunqunywa ngokusebenzisa izivivinyo zelebhu, lapho uketshezi luphoqelelwa khona ngesampula yezinto ezivuleka amanzi ngaphansi kwezimo ezilawulwayo. Izinga lokugeleza elivelayo, kanye nengcindezi esetshenziswayo kanye nezakhiwo zoketshezi nesampula, kuvumela ukubalwa kokuvuleka kwamanzi.
3. Iyini indima ye-porosity kwimidiya enezimbobo?
I-porosity iyisilinganiso sezikhala ezingenalutho ngaphakathi kwento futhi iyisihluthulelo sokuqonda ukuziphatha kwemidiya enezimbobo. Ithonya ikhono lendawo yokugcina nokuthutha uketshezi. I-porosity ephezulu ivame ukusho isikhala esengeziwe sokugcina uketshezi kanye nokugeleza koketshezi okulula, yize ezinye izici, njengokuxhumana kwe-pore, nazo zidlala indima.
4. Isetshenziswa kanjani imithombo enezimbobo ekuhlanzweni kwamanzi?
Ekuhlanzweni kwamanzi, imidiya enezimbobo ezifana ne-activated carbon, i-zeolites, noma isihlabathi isetshenziselwa ukubamba ukungcola nokukususa emanzini. Amanzi adlula embhedeni we-medium enezimbobo, futhi ukungcola kubanjwa ngaphakathi kwe-pores. Usayizi, ukuma, kanye nokusatshalaliswa kwe-pores kungenziwa ngendlela yokuqondisa ukungcola okuthile.
5. Kungani imithombo yezimbobo ibalulekile ekubuyiselweni kwamafutha?
Amatshe anezimbobo, njengetshe lesihlabathi kanye ne-limestone, ayizindawo zokugcina amanzi zemvelo ezifana namafutha negesi. Ukuqonda izakhiwo zalezi zindawo ezinezimbobo kubalulekile ekubuyiselweni kahle kwamafutha. Amasu athuthukisiwe okubuyisa amafutha, njengezikhukhula zamanzi, aklanyelwe ukusebenzisa izakhiwo zesakhiwo esinezimbobo sedwala ukuze kukhuliswe ukukhishwa kwamafutha.
6. Iyiphi indima edlalwa yimidiya enezimbobo kubunjiniyela bezokwelapha?
Imithombo ye-porous inezinhlelo eziningi zobunjiniyela bezokwelapha, ikakhulukazi kubunjiniyela bezicubu kanye nokulethwa kwemithi. Izicabha ezinezimbobo zihlinzeka ngesakhiwo sokukhula kwamaseli kanye nokuvuselelwa kwezicubu, kuyilapho abathwali bemithi abanezimbobo banganikeza ukukhululwa okulawulwayo nokuqhubekayo kwemithi yokwelapha.
7. Imithombo yezindaba enezimbobo ithonya kanjani ukuziphatha kwenhlabathi?
Inhlabathi, indawo yemvelo enezimbobo, ithonya ukuhamba kwamanzi kanye nokutholakala kwezakhamzimba zezitshalo. Ukuqonda ukubhoboka kanye nokuvuleka kwenhlabathi kungasiza ukubikezela ukugeleza kwamanzi, ukuthuthwa kwezakhamzimba, kanye nokungena kwezimpande, okwazisa imikhuba yezolimo kanye nokuphathwa kwemvelo.
8. Ingabe imithombo enezimbobo ingahambisa ukushisa?
Yebo, imithombo evulekile ingahambisa ukushisa, nakuba ngokuvamile ingasebenzi kahle kunezinto ezingenayo imigodi. Inqubo yokuhambisa ukushisa ezindaweni ezivulekile iyinkimbinkimbi, ehilela ukudlulisa ukushisa nge-matrix eqinile kanye noketshezi olusezimbotsheni, kanye nokudluliselwa kokushisa okuguquguqukayo uma uketshezi lugeleza.
9. Izinto ezinezimbobo zihlobana kanjani nemisindo?
Izinto ezinezimbobo zidlala indima ebalulekile ekumunceni umsindo nasekulawuleni umsindo. Isakhiwo esiyinkimbinkimbi sezindawo ezimbobo singabamba amaza omsindo, siguqule amandla awo abe ukushisa futhi sinciphise inani lomsindo obonakala emuva. Lokhu kwenza izinto ezinezimbobo zibe zinhle kakhulu ekusetshenzisweni okufana nokufakwa kwe-acoustic kanye namaphaneli okunciphisa umsindo.
10. Izakhiwo zemidiya enezimbobo ziklanywa kanjani?
Ukumodela izakhiwo zemidiya enezimbobo kuhilela amasu ayinkimbinkimbi ezibalo kanye nezibalo. Lawa mamodeli angasukela ekulingiseni ngezinga lembobo, abambe isakhiwo esinemininingwane senethiwekhi yembobo, kuya kumamodeli aqhubekayo achaza ukuziphatha okulinganiselwe ngevolumu enkulu.
11. Yiziphi ezinye zezinselele ekusebenzeni ngemidiya evulekayo?
Izinselele ngemidiya evulekayo zivame ukuhlobana nokuhlukanisa nokubikezela ukuziphatha kwayo ngaphansi kwezimo ezahlukahlukene. Isibonelo, ukunquma ngokunembile ukusatshalaliswa kosayizi we-pore noma ukuqonda ukuthi izinguquko zesakhiwo kwimidiya zithinta kanjani ukugeleza koketshezi kungaba nzima. Futhi, lapho kukhulunywa ngemidiya yemvelo evulekayo njengamatshe noma inhlabathi, ukungafani kwazo okungokwemvelo kunezela ungqimba olwengeziwe lobunzima.
12. Yiziphi ezinye iziqondiso zesikhathi esizayo ocwaningweni lwezindaba ezinezimbobo?
Iziqondiso zesikhathi esizayo ocwaningweni lwemidiya enezimbobo zibanzi futhi zihlanganisa imikhakha eyahlukene. Zihilela ukuthuthukisa izinto ezintsha ezinezimbobo ezenzelwe ukusetshenziswa okuthile, ukuthuthukisa ukuqonda kwethu ngezenzakalo zokuthutha ezinhlelweni ezinezimbobo, kanye nokuthuthukisa amakhono ethu okwenza amamodeli. Izindawo zocwaningo ezifana nezinto ezinezimbobo ezincane kanye nezakhiwo ezinezimbobo eziphefumulelwe yi-bio nazo ziya ngokuya zithandwa, zivula imingcele emisha yokuthola izinto ezintsha kanye nokusungula izinto ezintsha.
Ezweni elihlala lishintsha lemithombo yezindaba evulekayo, le mibuzo eminye evame ukubuzwa. Kodwa-ke, ukufuna ulwazi akupheli lapha. Njengoba ososayensi nonjiniyela beqhubeka nokuphenya kulo mkhakha othakazelisayo, ikusasa lithembisa ingcebo yezinto ezintsha ezitholakele, ubuchwepheshe, kanye nezinhlelo zokusebenza okufanele zihlolwe.
Unentshisekelo yokuhlola umhlaba wezindaba ezinezimbobo kabanzi?
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Ake singene ezweni elithakazelisayo lemidiya evulekayo ndawonye, futhi sithole ukuthi singakwenza kanjani
qhuba intuthuko futhi udale izixazululo zekusasa elingcono. Xhumana nathi namuhla!
Isikhathi sokuthunyelwe: Juni-19-2023
