Ultrasonics: Ko e ngaahi polokalama mo e founga ngaue

Ko e Ultrasonication ko ha tekinolosia ʻaonga ia ki ha ngaahi founga kehekehe, hange ko e homogenizing, movete, fakamovetevetea, sonochemistry, degassing pe fakamaʻa. ʻI lalo, te ke maʻu ai ha ngaahi founga ultrasonic angamaheni mo e founga ngaue.

Kataki 'o lomi'i 'i he ngaahi me'a 'i he lisi ko 'eni ke ma'u ha fakamatala lahi ange ki he tohi kole takitaha.

Ultrasonic Homogenizing

Ultrasonic homogenizerUltrasonic homogenizers fakasiʻisiʻi ʻa e fanga kiʻi momoʻi meʻa iiki ʻi ha huhuʻa ke fakaleleiʻi ʻa e faitaha mo e taʻeueʻia. ʻE lava ke solids pe huhuʻa ʻa e ngaahi momoʻi meʻa (konga matoʻo) ʻi ha konga huhuʻa. ʻOku lelei ʻaupito ʻa e ultrasonic homogenizing ki hono fakasiʻisiʻi ʻo e fanga kiʻi momoʻi meʻa molu mo faingataʻa. ʻOku ʻomi ʻe he Hielscher ha ngaahi meʻangaue ultrasonic ki he homogenization ʻo ha faʻahinga tohi huhuʻa pea mo ha kulupu (batch) pe laine ngaue ki he laine. ʻE lava ke fakaʻaongaʻi ʻa e ngaahi device ultrasonic ki he ngaahi tohi mei he 1.5 mL ki he approx. 4L. ʻE lava ke ngaue ʻaki ʻe ultrasonic ngaahi meʻangaue fakapisinisi ha ngaahi kulupu (batches) mei he 0.5 ki he approx. 2000L pe tafe mai ʻa e paʻanga mei he 0.1 L ki he mita ʻe 20 ki he houa ʻi he fakalakalaka pe ngaohi
Lomi'i 'i heni ke lau ha me'a lahi ange fekau'aki mo e ultrasonic homogenizing!

Ultrasonic Dispersing mo e Deagglomeration

'Oku fakatupu 'e he ultrasonic dispersing mo e deagglomeration 'a e ngaahi momo'i me'a 'o e efuefu 'a e ngaahi momo'i me'a 'i he fakamovetevete 'a e kau tautaha.Ko e fakamovetevete mo e deagglomeration ʻo e solids ki he viviku ko ha fakaʻaongaʻi mahuʻinga ia ʻo e ngaahi meʻangaue ultrasonic. ʻOku ʻomi ʻe ultrasonic cavitation ha ngaahi malohi maʻolunga ʻoku ne maumauʻi ʻa e kihiʻi konga siʻi agglomerates ki he ngaahi momoʻi meʻa fakafoʻituitui, kuo fakamovetevete. Ko e tuifio ko ia ʻo e powders ki he huhuʻa, ko ha sitepu angamaheni ia ʻi hono faʻu ʻo ha ngaahi naunau kehekehe, hange ko e vali, Semipuu, inu, pe fakaleleiʻi ʻo e mitia. ʻOku fakatahaʻi ʻa e ngaahi momoʻi meʻa fakafoʻituitui ʻe he ngaahi malohi fetokangaʻaki ʻo e natula fakatuʻasino mo e kemikale kehekehe, kau ai ʻa e veni-Der-Waals-ngaahi malohi mo e vavakovi. ʻOku ikunaʻi ʻe Ultrasonication ʻa e ngaahi malohi fetokangaʻaki ko ʻeni kae lava ke deagglomerate mo fakamovetevetea ʻa e ngaahi momoʻi meʻa ki he mitia huhuʻa. Ko e dispersing mo e deagglomeration ʻo e powders ʻi he viviku, ko ha meʻa malie ultrasonication ia ki he malohi lahi homogenizers, ʻa e ukamea maʻolunga mixers pe loto-mixers.
Lomi'i 'i heni ke lau ha me'a lahi ange fekau'aki mo e ultrasonic dispersing mo e deagglomeration!

Ultrasonic Emulsifying

Ko ha 'uhinga lelei ki he emulsification 'a e ultrasonication.ʻOku ʻi ai ha ngaahi naunau taukei mo ha koloa kehekehe, hange ko e cosmetics mo e kili lotions, lolo fakafaitoʻo, varnishes, vali mo e lubricants mo e fuels ʻoku fakatefito kakato pe ko ha konga ʻo e emulsions. Ko e Emulsions ko ha huhuʻa ia ʻe ua pe lahi ange immiscible. ʻOku feʻunga ʻa e ngaahi naunau fakaʻata lahi feʻunga ke fakamovetevetea ha konga huhuʻa (konga kuo fakamovetevete) ʻi ha kiʻi droplets siʻisiʻi ʻi ha konga hono ua (konga hokohoko). ʻI he feituʻu dispersing, imploding cavitation ʻoku fakatupu ʻe he bubbles ha ngaahi peau lalahi ʻi he huhuʻa takatakai pea tupu ai hono faʻu ʻo ha ngaahi vakapuna huhuʻa maʻolunga malohi (tuʻunga maʻolunga). Te Ultrasonication lava ʻo maʻu ha ʻuhinga droplet lalahi ʻi lalo ʻi he 1 micron (Micro-emulsion).
Lomi'i 'i heni ke lau ha me'a lahi ange fekau'aki mo e ultrasonic emulsifying!

Ultrasonic viviku-Milling mo e 'i'i 'o

milling ultrasonic fefeka 'a e ngaahi naunauKo e Ultrasonication ko ha founga lelei ia ki he ngaahi milling viviku mo e micro. Kae tautautefito ki hono ngaohi ʻo e superfine lahi slurries, fakaʻata ʻoku lahi hono ngaahi lelei. ʻOku maʻolunga ange ia ʻi he meʻangaue angamaheni ʻoku fakasiʻisiʻi hono fakasiʻisiʻi, hange ko e: Ngaohiʻanga mahoaʻa colloid (ngaohiʻanga mahoaʻa fuopotopoto, ngaohiʻanga mahoaʻa foʻi pulu), Ngaohiʻanga mahoaʻa pe ngaohiʻanga mahoaʻa vakapuna. Te Ultrasonication lava ʻo ngaue ʻaki ʻa e tokanga mo e viscosity maʻolunga slurries – ko ia ʻoku fakasiʻisiʻi ai ʻa e leʻo ke fai ha ngaue ki ai. ʻOku taau ʻa ultrasonic milling ki he ngaue micron lahi mo e ngaahi naunau lalahi nano, hange ko e ceramics, pigments, barium sulphate, potasiume kalasiume carbonate pe ukamea oxides.
Lomi'i 'i heni ke laukonga lahi ange fekau'aki mo e ultrasonic milling viviku mo e 'i'i 'o e Endure!

To'oto'o ultrasonic movetevete

tokoni ultrasonically to'o e 'uli 'o e kalasiume mei he 'akau 'o faka'aonga'i ha processor ultrasonic UP200SʻE lava ʻe he faitoʻo ultrasonic ʻo ʻauha ʻa e fibrous, cellulosic naunau ki ha ngaahi momoʻi meʻa lelei pea maumauʻi ʻa e ngaahi holisi ʻo e fale toʻotoʻo. ʻOku lahi ange ʻa e ngaahi meʻa intra ʻi he telefoni toʻotoʻo, hange ko e sitaasi pe suka ki he huhuʻa. ʻE lava ke fakaʻaongaʻi ʻa e ola ko ʻeni ki he fermentation, digestion mo e ngaahi founga kehe ʻo e ului. Hili ʻa e milling mo e ngaahi meʻa ʻoku hoko, ultrasonication ʻai ke lahi ange ʻa e naunau mopaila intra e.g. sitaasi pea pehe ki he veve ʻi he holisi ʻe taha ki he enzymes ʻoku ne fakaului sitaasi ki sugars. ʻOku ne toe fakalahi foki ʻa e feituʻu ʻoku ʻasi ai e enzymes lolotonga liquefaction pe saccharification. ʻOku angamaheni ʻaki hono fakatupulaki ʻe he meʻa ni ʻa e vave mo e tukulolo ʻa e ʻio fermentation mo e ngaahi founga fakaului kehe, hange ko e ke takiekina ʻa e ethanol mei biomass.
Lomi'i 'i heni ke lau lahi ange kau ki he movetevete ultrasonic 'o selo!

To'oto'o ultrasonic to'o e 'uli

Ko hono toʻo ko ia ʻo e enzymes mo e polotini ʻoku tauhi ʻi he ngaahi selo mo e ngaahi subcellular, ko hano fakaʻaongaʻi lahi ia ʻo e fakaʻata malohi. ʻE lava ke toe lelei ange hono toʻo e ʻuli ʻo e meʻa koʻeni ʻoku ʻi loto he ʻakau pe tengaʻi ʻakau. ʻOku ʻi ai ha ivi lelei ʻo e fakaʻata ʻi hono toʻo e ʻuli mo e fakamavaheʻi ʻo e talanoa bioactive, hange ko e ngaahi saiti ʻoku ʻikai fakaʻaongaʻi ʻe he koloa ʻoku faʻu ʻi he founga lolotonga. Ko e Ultrasonication ko ha tekinolosia lelei ʻaupito ia ki botanical toʻo ʻuli ʻi he fale fakatotolo fakakemi mo e meʻafua ki hono ngaohi.
Lomi'i 'i heni ke ma'u ha fakamatala lahi ange fekau'aki mo e to'o hingoa to'oto'o ultrasonic!

Illustrates powerful ultrasonic cavitation  by a sonotrode in water.

Malohi ultrasonic Cavitation ʻi he huhuʻa

Kole 'a e fakamatala




Fakatokanga'i ange 'etau Tu'utu'uni totonu fakatautaha.


UIP1000 – Seti 'a e sonication

1,000 watts ultrasonication system for process development and optimization before scale-up1,000 Watts ultrasonic fokotuʻu ki he fakalakalaka mo e optimization

Sonochemistry

'Oku fakatupulaki 'e he ultrasonic reactors 'a e biodiesel 'oku 'omi mo e ngaue ki he effiency!Ako lahi ange fekau'aki mo e ngaahi polokalama kemikale 'o e 'etau ngaahi device ultrasonic!

Faka'aonga'i 'a e Sonochemical 'o e Ultrasonics

cavitation_2_p0200Ko e Sonochemistry ko hono fakaʻaongaʻi ia ʻo e fakaʻata ki he ngaahi toʻonga mo e founga ngaue ʻa e kemikale. Ko e founga ʻoku ne fakatupu sonochemical e ngaahi nunuʻa ʻi he viviku ko e cavitation. ʻOku kau ʻi he ngaahi ola sonochemical ki he ngaahi toʻonga kemikale mo e founga ngaue ʻa e tupulaki ʻa e tali pe Output, lahi ange hono fakaʻaongaʻi, fakalakalaka ʻo e tuʻunga ʻo e feʻaveʻaki catalysts, fakamalohia ʻo e ukamea mo e solids pe tupulaki ʻi he toe ʻekitiviti ʻo e reagents pe catalysts.
Lomi'i 'i heni ke lau ha me'a lahi ange fekau'aki mo e ngaahi nunu'a 'o e sonochemical 'o ha!

Transesterification ultrasonic 'o e lolo ki he Biodiesel

Pamu Biodiesel'Oku fakatupulaki 'e he ultrasonication e kemikale tali vave mo e 'omi 'o e transesterification 'o e lolololo 'a e vesitapolo mo e fanga monumanu 'a e me'akai ki he biodiesel. 'Oku faka'ata 'eni 'e liliu 'a e hono ngaohi mei he kulupu (batch) ngaue ki ke tafe hokohoko 'o e ma'u ngaue ki he pea 'oku fakasi'isi'i 'a e ngaahi tapuaki mo e fakamole ki he ngaue. 'Oku kau 'i hono ngaohi 'o e biodiesel mei he vesitapolo lolololo pe ha me'akai 'aki e fanga monumanu, e transesterification catalyzed 'i he fakava'e 'o e 'esiti 'a e fatty mo e methanol pe ethanol ke foaki e ngaahi methyl esters pe ethyl esters. 'E lava ke a'usia 'e he ultrasonication ha biodiesel 'oku 'omi hulu 99%. Ha fakasi'isi'i 'a e taimi 'o e ngaue ki he mo e taimi 'o e mavae 'aupito.
Lomi'i 'i heni ke lau lahi ange kau ki he tokoni ultrasonically transesterification 'o e lolo ki he biodiesel!

Degassing ultrasonic 'o e me'a huhu'a

Ultrasonic degassing 'o faka'aonga'i ha processor ultrasonic UP200S 'a e lolo (200 Watts)Ko ha tohi kole malie 'o e ngaahi device ultrasonic 'a e degassing 'o e me'a huhu'a. 'I he me'a ni e ha 'ahu iiki kuo toloi fakataimi kasa-leta kakau mei he vai pea mo fakasi'isi'i 'a e tu'unga 'o e tukuange leva 'a e kasa 'i lalo 'i he tu'unga fakanatula potupotutatau.
Lomi'i 'i heni ke lau ha me'a lahi ange fekau'aki mo e degassing ultrasonic 'o e me'a huhu'a!

Sonication 'o e ngaahi fo'i hina mo e kapa ki he fakatokanga vela ava

sieke ki he fo'i hinaTe ke lava ʻo fokotuʻu ha ngaahi meʻangaue ultrasonic ʻi hono faʻo mo fakafonu e ngaahi misini ke vakaiʻi e ʻu kai mo e hina ki he ngaahi mama. Ko hono tukuange vave ko ia ʻo e kaponi taiokisaiti ko e ola ia ʻo ultrasonic mama ngaahi sivi ʻo e ngaahi ngeʻesi kane ʻoku fonu ʻi carbonated paa.
Lomi'i 'i heni ke ma'u ha fakamatala lahi ange fekau'aki mo e fakatokanga vela ava ultrasonic!

Disinfection hokohoko 'o e ma'u 'o e vai vela Systems

E Gruenbeck GENO-malolo 'oku faka'aonga'i 'e he tekinolosia ultrasonic Hielscher 'i hono fakataha'i mo e maama 'o e UV-F ki he hokohoko 'o e ma'u 'o e disinfectionKe fakafepakiʻi ʻa e Legionella fakatuʻutamaki ʻi he ngaahi maʻuʻanga vai vela pea malu ange kaukau ʻatakai kuo fakatupulaki ʻe he kautaha Gruenbeck ʻa e polokalama maumauʻi ʻo e ngaahi meʻa naʻe hoko. ʻOku fakaʻaongaʻi ʻe he polokalama ni ʻa e Hielscher ultrasonic tekinolosia ʻi hono fakatahaʻi mo e ILI v-C mama.
Lomi'i 'i heni ke ma'u ha fakamatala lahi ange fekau'aki mo e disinfection ultrasonically tokoni!

Uaea ultrasonic, keipolo mo fakama'a 'a e la'i pepa

coil 'o e keipoloKo e ultrasonic fakamaʻa ko ha environmentally anga fakakaumeʻa ia ki hono fakamaʻa ʻo e ngaahi naunau hokohoko, hange ko e uaea mo e keipolo, tepi pe tiupi. ʻOku toʻo ʻe he ola ʻo e ultrasonic cavitation malohi lubrication e toenga ʻo hange ko e lolo pe fetongiʻanga lolo, koa kaukau kuleioni, stearates pe efu mei he fukahi naunau.
Lomi'i 'i heni ke ma'u ha fakamatala lahi ange fekau'aki mo e fakama'a ultrasonic!

Kole ha fakamatala lahi ange kau ki ultrasonic Applications!

Kapau 'oku 'ikai ke lisi 'a e ngaahi founga na'e fakataumu'a ho'o 'i 'olunga, kataki 'o 'ai ke tau 'ilo. 'Oku 'i ai ha tokolahi 'o e ngaahi device ultrasonic fakapatonu mo e ngaahi founga 'e lava ke ne feau ho'o ngaahi fie ma'u.









Kataki 'o fakatokanga'i ange 'etau Tu'utu'uni totonu fakatautaha.


Ko e fakamatala fakalukufua fekau'aki mo e ngaue ki he Ultrasonic

Ko e Ultrasonication ko ha tekinolosia ngaue fakakomesiale kakato ia. ʻOku hanga ʻe he falalaʻanga mo e scaleablility maʻolunga pea pehe ki he totongi maʻamaʻa mo e ivi maʻolunga ʻo ʻai ultrasonic ngaahi meʻangaue ke fetongi ʻaki e meʻangaue angamaheni ki he ngaueʻanga. ʻOku ʻomi ʻe fakaʻata ha ngaahi faingamalie fakafiefia kehe: Cavitation – ko e tefitoʻi ola ultrasonic – ʻoku ne ʻomi ha ngaahi ola makehe ʻi he founga totonu, kemikale mo e ngaahi founga fakatuʻasino.

Neongo ʻoku fakaʻaongaʻi pe ʻa e fakaʻata malohi pe maʻolunga ki hono ʻanalaiso, sivi ʻoku ʻikai fakatupu ʻauha mo e ʻea, ka ʻoku fakaʻaongaʻi ʻa e fakaʻata malohi ki he ngaue ʻo e ngaahi meʻa huhuʻa hange ko e fefiofi, faʻifaʻitaki, fakamovetevetea mo e deagglomeration, movetevete toʻotoʻo pe enzyme mamalohi. ʻI he taimi ʻoku sonicating ai ʻa e huhuʻa ʻi he intensities maʻolunga, ʻoku propagate ʻa e ngaahi peau lalahi ʻi he mitia huhuʻa. ʻOku hanga ʻe he ola ko ʻeni ʻo fetongitongi ʻi he malohi lahi (lahi) mo e ngaahi siakale maʻulalo (rarefaction) ʻo makatuʻunga ʻi he tuʻo lahi. ʻI he lolotonga ʻo e siakale maʻulalo, ʻoku fakatupu ʻe he ngaahi peau ultrasonic maʻolunga ha fanga kiʻi fuopotopoto pe voids ʻi he huhuʻa. ʻI he taimi ʻoku maʻu ai ʻe he bubbles ha tohi ʻoku ʻikai ke nau toe lava ʻo maʻu ai ha ivi, ʻoku nau holoa lahi lolotonga ha siakale malohi. ʻOku ui ʻa e meʻa fakaofo ko ʻeni cavitation. Lolotonga e mafana ʻa e implosion (approx. 5, 000K) mo e ngaahi faingataʻa (approx. 2, 000atm) ʻoku aʻu fakalotofonua pe ki ai. ʻOku toe ola foki ʻa e implosion ʻo e fuopotopoto cavitation ʻi he ngaahi vakapuna huhuʻa ʻo aʻu ki he mita ʻe 280 ki he malohi hono ua.

ʻE lava ʻe ultrasonic cavitation ʻi he viviku ʻo fakatupu ha ʻaukai mo kakato degassing; kamata ha ngaahi toʻonga kemikale kehekehe ʻaki hano faʻu ha kemikale taʻetotongi ions (radicals); ngaahi toʻonga kemikale fakavaveʻi ʻaki hono fakafaingofuaʻi e fefiofi ʻo e kau tali; fakaleleiʻi ʻa e polymerization mo depolymerization ngaahi toʻonga ʻaki hano fakamovetevetea aggregates pe maumauʻi fakaʻaufuli ʻa e ngaahi haʻi ʻo e kemikale ʻi polymeric ngaahi seini; fakatupulaki emulsification fakautuutu; fakaleleiʻi diffusion fakautuutu; ngaohi ha emulsions pe teunga lahi dispersions ʻo e ngaahi naunau micron pe nano lahi; tokoni ki hono toʻo e ʻuli ʻo e ngaahi meʻa hange ko e enzymes mei he monumanu, ʻakau, ʻisite, pe hangatamaki selo; toʻo vailasi mei he molu kuo uesia; pea fakaʻosi, holoki mo holoki hifo ʻa e ngaahi momoʻi meʻa tuʻu laveangofua, kau ai ʻa e organisms Micro. (Kuldiloke 2002)

ʻOku fakatupu ʻe he fakaʻata malohi ʻa e fekeʻikeʻi ʻi he huhuʻa viscosity, ʻa ia ʻe lava ke fakaʻaongaʻi ke fakamovetevetea ʻaki e ngaahi naunau ʻi he viviku. (Ensminger, 1988) 'E lava ke fakatupu 'a e he implosion asymmetric 'a e leta kakau 'o e cavitation turbulences fu'u totu'a 'oku ne fakasi'isi'i 'a e diffusion pe fakangatangata e ki'i, fakatupulaki e fe'ave'aki pa'anga hono fakamafola lahi fau 'o e convection mo fakavave'i aupito 'a e diffusion 'i he polokalama 'i he me'a huhu'a/malohi pe kasa/malohi fakafehokotaki, feitu'u 'Oku 'ikai ke lava 'a e kakai angamaheni pe. (Nyborg, 1965)

Kole 'a e fakamatala




Fakatokanga'i ange 'etau Tu'utu'uni totonu fakatautaha.


Uaea & Keipolo ma'a ange

Uaea pea keipolo fakama'a 'a e polokalama ki hono to'o 'o e lolo, koa, pe e efu.Uaea pea keipolo fakama'a 'a e polokalama ki hono to'o 'o e lolo, koa, pe e efu.



Ngaahi tohi

Ensminger, D. E. (1988): Ngaahi founga ongo mo electroacoustic ʻo e fuʻu vai mo e fakamomoa, ʻi he: Drying Tech. 6, 473 (1988).

Kuldiloke, J. (2002): Ko e ola 'o ha, mafana 'o e 'ea mo e ngaahi faito'o teke ki he 'ekitiviti Enzyme ha ngaahi faka'ilonga 'o e tu'unga lelei 'o e fua'i'akau mo e vesitapolo Juices; Ph.d. 'Esei 'i he Technische Universität Pealini (2002).

Nyborg, W.L. (1965): streaming streaming, Vol. 2E., academic Press, Niu ʻIoke (1965).