Biodiesel ʻo fakafou ʻi ultrasonically fakalakalaka (liliu-) Esterification

ʻOku synthesized ʻa Biodiesel ʻo fakafou ʻi transesterification ʻo fakaʻaongaʻi ha meʻa ke ne fakaʻaiʻai ʻa e fakavaʻe. Neongo ia, kapau ʻoku fakaʻaongaʻi ʻa e ngaahi naunau ʻota hange ko e vesitapolo ʻoku ʻikai ke ʻi ai ha ʻesiti maʻolunga, ʻoku fie maʻu ha sitepu ki hono faitoʻo ʻo e esterification ʻo fakaʻaongaʻi ki ai ha catatlyst ʻesiti. ʻOku tokoni ʻa Ultrasonication mo hono sonochemical mo sonomechanical ki he ongo faʻahinga tali fakatouʻosi pea mo fakatupulaki ʻa e lavameʻa ʻo biodiesel ului. ʻOku vave ange ʻa e ngaohi ultrasonic biodiesel ʻi he biodiesel angamaheni synthesis, ngaahi ola ʻi he biodiesel maʻolunga ange mo e tuʻunga lelei pea fakahaofi reagents hange ko e methanol mo e fakalotolahi.

Biodiesel ului ʻo fakaʻaongaʻi ʻa e malohi fakaʻata

Ki he biodiesel, ʻoku faʻu ʻa e fafaʻafaesters ʻe he transesterification ʻo e vesitapolo lolololo pea pehe ki he fanga monumanu ngako (e.g., tallow). Lolotonga e tali transesterification, ʻoku fetongi leva ʻa e konga glycerol ʻe ha kava malohi ʻe taha, hange ko e methanol. Feedstocks ʻoku ʻi ai ha meʻa maʻolunga ʻi he ngaahi faʻafaʻesiti, hange ko e lolololo vesitapolo (WVO), fie maʻu ha faitoʻo ki he ʻesiti esterification kae lava ke fakaʻehiʻehi mei hono faʻu ʻo e koa. Ko e founga catalysis ko ʻeni ʻo e ʻesiti ko ha tali mamalie ia, ʻi he taimi ʻoku fakahoko ai ko ha kulupu (batch) angamaheni. Ko e founga ke fakaleleiʻi ʻaki ʻa e founga esterification mamalie ko hono fakaʻaongaʻi ʻo e malohi fakaʻata. ʻOku lavaʻi ʻe Sonication ha fakalakalaka mahuʻinga ʻi he vave ʻo e tali, ului mo e biodiesel tukulolo ko e ngaahi ola sonochemical ʻo e malohi fakaʻata poupouʻi mo fakalahi ʻa e catalysis ʻesiti. ʻOku ʻomi ʻe ultrasonic cavitation ha ngaahi malohi sonomechanical, hange ko e fefiofi ʻa e mamani, pea pehe ki sonochemical ivi. ʻOku hanga ʻe he ongo faʻahinga ultrasonic ko ʻeni (sonomechanical mo e sonochemical) ʻo liliu ʻa e ʻesiti-catalyzed esterification ki ha tali ʻaukai ʻoku siʻisiʻi ange hono fie maʻu.

Kole 'a e fakamatala




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


3x UIP1000hdT ultrasonicators for highly efficient biodiesel transesterification

ʻOku fakatupulaki ʻe ultrasonic fefiofi biodiesel e lahi ʻo e ului, fakatupulaki e tukulolo mo fakahaofi ha methanol mo ha fakalotolahi lahi. ʻOku ha he fakatataa ʻa hono fokotuʻu ʻo e 3x UIP1000hdT (ko e malohi fakaʻata kotoa pe ʻo e kng.

Ultrasonic transesterification improves biodiesel conversion.

Transesterification ʻo e triglycerides ki biodiesel (FAME) ʻo fakaʻaongaʻi ʻa e ngaahi ola sonication ʻi hono fakavaveʻi e tali pea mo e lavameʻa maʻolunga ange.

ʻOku ultrasonic fefe Biodiesel ngaue fakaului?

Ultrasonication ʻi he vahaʻa ʻo e ngaahi konga kehekehe ʻi he transesterification (ʻoku faʻa ui foki ia he taimi ʻe niʻihi ko e alcoholysis) pea ʻoku makatuʻunga ʻa e esterification ʻi hono fakalahi ʻo e fefiofi pea pehe ki ha lahi ange ʻa e vela mo e feʻaveʻaki paʻanga. ʻOku makatuʻunga ʻa e fefiofi ultrasonic ʻi he tefitoʻi moʻoni ʻo e cavitation, ʻa ia ʻoku hoko ko e ola ʻo imploding vekiume ʻi he huhuʻa. ʻOku fakafotunga ʻa e cavitation ʻe he ngaahi malohi mo e fetoʻaki maʻolunga, pea pehe ki he malohi lahi mo e mafana ʻo e ʻea differentials. ʻOku poupouʻi ʻe he ngaahi malohi ko ʻeni ʻa e tali ʻa e kemikale ki he transesterification/esterification mo fakalahi ʻa e feʻaveʻaki ʻo e ʻea vela, ʻo fakaleleiʻi ai ʻa e tali ʻa biodiesel ului.
Kuo scientifically mo industrially hono fakaʻaongaʻi ʻo e ultrasonics lolotonga biodiesel ului ke fakaleleiʻi ʻaki e founga ngaue. ʻE lava pe ke pehe ko e fakalakalaka ʻi he founga ngaue ko hono fakasiʻisiʻi e lahi ʻo e ivi mo e fakamole ki hono fakalele, pea fakasiʻisiʻi hono fakaʻaongaʻi ʻo e kava malohi (ʻa ia ko e methanol), siʻisiʻi ange hono fakaʻaiʻai, pea mo hono fakanounouʻi ʻo e taimi tali. ʻOku toʻo ʻa e totongi ʻo e ivi ki he ʻea fakamafana koeʻuhi he ʻoku ʻikai fie maʻu ia ke fakamafana ʻi tuʻa. ʻIkai ngata ai, ʻoku faingofua ange ʻa e mavahevahe ʻi he vahaʻa ʻo e biodiesel mo e glycerol ʻaki ha konga nounou ange ʻo e mavahevahe. Ko ha meʻa mahuʻinga ki hono fakaʻaongaʻi fakakomesiale ʻo e fakaʻata ʻi he polokalama biodiesel ko e meʻafua faingofua ia ki ha faʻahinga tohi pe, ʻa e tafa falalaʻanga mo malu pea pehe ki he robustness mo e ala falalaʻanga ʻo e meʻangaue ultrasonic (tuʻunga moʻui lalahi, malava ke lele hokohoko 24/7/365 ʻi he uta kakato).

Hielscher ultrasonic reactor for biodiesel transesterification with superior process efficiency

Ultrasonic ʻa e founga ngaue ki he ngaahi meʻa fakapisinisi ʻi he laine biodiesel esterfication mo e transesterification.

Process chart showing the biodiesel process in continuous flow mode. Ultrasound can improve esterification and transesterification significantly.

ʻE lava ke fakalele ʻa e ultrasonic esterification mo e transesterification ko ha kulupu (batch) pe hokohoko ʻo e laine. ʻOku fakahaaʻi ʻe he sati ʻa e founga ultrasonic ʻo e laine ki he biodiesel (FAME) transesterfication.


Process chart showing the biodiesel process in batch mode. Ultrasound can improve esterification and transesterification significantly.

ʻE lava ke fakalele ʻa e ultrasonic esterification mo e transesterification ko ha kulupu (batch) pe hokohoko ʻo e laine. ʻOku fakahaaʻi ʻe he saati ko ʻeni ʻa e ultrasonic batch ki biodiesel ului.

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


Ultrasonically-tokoniʻi ha sitepu ʻe ua Biodiesel fakaului ko hono fakaʻaongaʻi ʻo e ngaahi sitepu ki he tali ki he ʻesiti-mo e fakavaʻe Catalyzed

Ke feedstocks ʻaki ha meʻa FFA maʻolunga, ʻoku fakahoko leva ʻa e polokalama biodiesel ko ha ʻesiti pe catalyzed ʻi ha founga siteisi ʻe ua. ʻOku foaki ʻe fakaʻata ha ongo faʻahinga toʻonga ʻe ua, ko e catalyzed esterification pea pehe ki he transesterification catalyzed e fakavaʻe:

Catalyzed esterification ʻo fakaʻaongaʻi fakaʻata

ʻOku fie maʻu ʻa e founga ʻo e esterification ke fai ʻaki ha ngaahi faʻafaʻesiti taʻetotongi ʻi he feedstock. ʻOku angamaheni ʻaki hono fakaʻaongaʻi ʻa e ʻesiti Sulfuric ko ha meʻa ke ne fakaʻaiʻai ʻa e ʻesiti.

  • Teuteuʻi feedstock ʻaki hano siviʻi mo fakamaʻa mei he ʻuli mo e vai.
  • Taʻofi ʻa e malohi, ʻa ia ko sulfuric ʻesiti, ʻi methanol. Fafanga ʻa e ngaahi methanol/methanol mo e feedstock ʻi ha exchanger vela mo ha ngaahi fakaheleleu ke maʻu ha meʻa ʻoku ʻikai feʻunga ke tuifio ai.
  • ʻOku ʻalu hangatonu pe ʻa e feedstock ki he ultrasonic ʻi ʻolunga, ʻa ia ʻoku fio ai ʻa e ultra mo e sonochemistry pea ului ʻa e ngaahi faʻafaʻesiti ki he biodiesel.
  • Fakaʻosi, naʻa ne vai ʻa e koloa pea fafanga ia ʻaki ʻa e ua ʻi he siteisi hono ua – ʻa e ultrasonic transesterification. Ko e methanol viviku ʻa e ʻesiti hili ʻa e fakaakeake, fakamomoa mo neutraliziation mateuteu ke toe fakaʻaongaʻi.
  • Ki he FFA maʻolunga ʻoku ʻi ai feedstocks, mahalo ʻe fie maʻu ha fokotuʻutuʻu ke holoki ʻaki e FFA ki ha tuʻunga lelei kimuʻa ʻi he sitepu transesterification.

Esterification tali ʻo fakaʻaongaʻi ha ʻesiti fakalotolahi:
FFA + kava malohi → masita + vai

Fakavaʻe-Catalyzed Transesterification ʻo fakaʻaongaʻi fakaʻata

Ko e feedstock, ʻa ia ʻoku siʻisiʻi pe he taimi ni ʻa e FFAs, ʻe lava ke fafangaʻi fakahangatonu ia ki he siteisi transesterification. ʻOku fakaʻaongaʻi ʻa e ʻelemeniti ko angamaheni taha hydroxide pe sotiume hydroxide (NAOH, KOH) ko ha meʻa ke ne fakaʻaiʻai ʻa e fakavaʻe.

  • Taʻofi ʻa e malohi ʻo e hydroxide, ʻa ia ko e sotiume, ʻi he methanol pea fafanga ʻa e ngaahi saiti ʻo e fakalotolahi/methanol mo e faitoʻo feedstock ʻi ha ngaahi fakaheleleu ke maʻu ha meʻa ʻoku ʻikai feʻunga ke tuifio ai.
  • Fafanga ʻa e ngaahi meʻa ʻoku tuifio hangatonu ki he ultrasonic ʻi ʻolunga ki he cavitational ʻoku fio ʻe he telinga maʻolunga mo e faitoʻo sonochemical. Ko e koloa ʻo e tali ko ʻeni ko e alkyl esters (i.e, biodiesel) mo e glycerin. ʻE lava ke fakamavahevaheʻi ʻa e glycerin ʻaki hano nofoʻi pe centrifuging.
  • ʻOku lelei ʻaupito ʻa e ultrasonically naʻe faʻu biodiesel pea manufactured ʻaukai, lelei mo e totongi fakamole ʻaki hono fakahaofi methanol mo e fakalotolahi.

Transesterification tali ʻo fakaʻaongaʻi ha fakavaʻe fakalotolahi:
Lolo/momona + kava → Biodiesel + Glycerol

Methanol fakaʻaongaʻi & Methanol fakaakeake

Ko e Methanol ko ha konga mahuʻinga ia lolotonga hono ngaohi biodiesel. ʻOku fakaʻata ʻe he ultrasonically teke biodiesel ului ke fakasiʻisiʻi hono fakaʻaongaʻi ʻo e methanol. Kapau ʻoku ke fakakaukau he taimi ni "ʻoku ʻikai ke u tokanga au ki heʻeku methanol fakaʻaongaʻi, koeʻuhi he ʻoku ou toe maʻu pe ia", mahalo te ke toe fakakaukau mo fakakaukau ki he totongi lahi ʻo e ivi ʻoku fekauʻaki mo e sitepu ʻo e ʻea (e.g. fakaʻaongaʻi ha kolomu mavahevahe), ʻa ia ʻoku fie maʻu ke fakamavahevaheʻi mo recycle e methanol.
ʻOku faʻa toʻo ʻa e Methanol hili hono fakamavahevaheʻi ʻo e biodiesel mo e glycerin ki ha konga ʻe ua, ʻo fakaʻehiʻehi mei he tali. ʻOku fakamaʻa leva ʻa e methanol pea recycled foki ki he kamataʻanga ʻo e founga ngaue. Biodiesel ʻo fakafou ʻi ultrasonically esterification mo e transesterification, ʻoku ke lava ai ʻo fakasiʻisiʻi hoʻo methanol fakaʻaongaʻi lahi, ʻo fakasiʻisiʻi ai ʻa e fakamole ki he ivi maʻolunga toʻa ki methanol fakaakeake. ʻOku fakasiʻisiʻi ʻe hono fakaʻaongaʻi ʻo e Hielscher ultrasonic ʻa e lahi ʻo e paʻanga ʻoku fie maʻu methanol ʻo aʻu ki he 50%. ʻOku feʻunga pe ʻa e fika molar ʻi he vahaʻa ʻo e 1:4 pe 1:4.5 (lolo: methanol) ki he feedstock lahi taha, ʻi he taimi ʻoku fakaʻaongaʻi ai Hielscher ultrasonic fefiofi.

Process chart showing the biodiesel processing steps. Ultrasound can improve esterification and transesterification significantly.

Ko ultrasonic esterification ko ha sitepu ia ki hono faitoʻo, ʻa ia naʻe holoki ai ʻa e maaka maʻulalo feedstock maʻolunga ʻi FFAs ki esters. ʻI he sitepu 2 ʻo ultrasonic transesterification, ʻoku ului ai ʻa e triglycerides ki biodiesel (FAME).

Kole 'a e fakamatala




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


Ultrasonic fakalahi Biodiesel e ului – Scientifically fakamoʻoniʻi

Kuo fakatotoloʻi ʻe ha kulupu fakatotolo tokolahi ʻa e founga mo e ngaahi ola ʻo ultrasonic transesterification ʻo biodiesel. Hange ko ʻeni, naʻe fakahaaʻi ʻe he timi fakatotolo ʻa Sebayan Tauini naʻe hanga ʻe ultrasonic cavitation ʻo fakalahi ʻa e ʻekitiviti ʻo e kemikale mo e tali ʻo tupu ai ha toe lahi ange hono faʻu. Naʻe holoki ʻe he founga ultrasonic ʻa e taimi tali transesterification ki he miniti ʻe 5 – ʻi hono fakafehoanaki ki he houa ʻe 2 ki he ngaue fakamisini. Ko hono fakaului ʻo triglyceride (TG) ki he ONGOONGOA ʻi ultrasonication maʻu ʻa e 95.6929% uat mo ha methanol ki he lolo molar fika ʻo e 6:1 mo e 1% uaʻelemeniti ko hydroxide ko ha fakalotolahi. (FF. Darwin et Al. 2010)

Lahi mo e meʻafua ultrasonicators ki he ngaue Biodiesel

Ultrasonics 'o e Hielscher’ ngaahi naunau siʻisiʻi ki he kongaloto pea pehe ki he ngaahi meʻafua lalahi ultrasonic processors ki he ngaohi lelei ʻo e biodiesel ʻi ha faʻahinga tohi pe. ʻE lava ʻe he hielscher ʻo fai ha founga lelei taha ki he kau pule ultrasonic mo e ngaahi kulupu lalahi fakatouʻosi. ʻE lava ke fakalele ʻa ultrasonic biodiesel ului ko ha kulupu (batch) pe ko ha founga ʻoku hokohoko atu hono fakahoko. ʻOku faingofua pe hono fola mo hono fakalele, malu pea ʻoku reliably maʻolunga ange ia ʻi he tuʻunga maʻolunga biodiesel.
Te ke maʻu ʻi lalo ha Seinopolo ʻoku fokotuʻu atu fokotuʻu atu ki ha ngaahi meʻa lahi ʻoku fokotuʻutuʻu.

Toni / hr
gal/hr
1 x UIP500hdT
0.25 ke 0.5
80 ki he 160
1 x UIP1000hdT
0.5 ki he 1.0
160 ke 320
1 x UIP1500hdT
0.75 ki he 1.5
240 ke 480
2 x UIP1000hdT
1.0 ki he 2.0
320 ki he 640
2 x UIP1500hdT
1.5 ke 3.0
480 ke 960
4 x UIP1500hdT
3.0 ki he 6.0
960 ki he 1920
6 x UIP1500hdT
4.5 ki he 9.0
1440 ki he 2880

Fetu'utaki mai kiate kimautolu! / Kole kiate kitautolu!

Kole ki ha fakamatala lahi ange

Kataki 'o ngaue 'aki e foomu 'i lalo ke kole ha toe fakamatala ki he ultrasonic processors, faka'aonga'i mo e totongi. Te mau fiefia ke alea'i e founga 'oku mo 'i ai mo ho'omou ngaahi fie ma'u ultrasonic he polokalama!









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


Ultrasonic high-shear homogenizers are used in lab, bench-top, pilot and industrial processing.

Hielscher Ultrasonics ʻa e ngaohiʻanga koloa maʻolunga ultrasonic homogenizers ki hono tuifio ʻo e ngaahi polokalama, fakamovetevetea, emulsification mo e toʻo hingoa ʻi he fale fakatotolo fakakemi, pailate mo e meʻafua ki he ngaahi meʻa fakapisinisi.



Ngaahi tohi/fakamo'oni fakafolofola


Ngaahi mo'oni'i me'a 'oku mahu'inga ke 'ilo'i

Hono ngaohi 'o e Biodiesel

ʻOku faʻu ʻa e Biodiesel ʻi he taimi ʻoku ului ai ʻa e trigycerides ki he ngaahi fafaʻafatty methyl Makisita (FAME) ʻo fakafou ʻi ha kemikale ʻoku ʻiloa ko transesterification. Lolotonga e tali ʻa e transesterification, trigylcerides ʻi he lolololo vesitapolo pe monumanu ngako tali ʻi he ʻao ʻo ha fakalotolahi (e.g., sotiume hydroxide pe ʻelemeniti ko hydroxide) mo ha ʻolokaholo Palaimeli (e.g., methanol). ʻI he tali ko ʻeni, ʻoku faʻu ai alkyl esters mei he feedstock ʻo e lolo vesitapolo pe ngako ʻo e monumanu. ʻOku glycerides ʻa Triglycerides, ʻa ia ʻoku esterfied ai ʻa e glycerol ʻaki ha ngaahi seini loloa, ʻa ia ʻoku ʻiloa ko e fatty ʻesiti. ʻOku ʻi ai lahi ʻa e ngaahi ʻesiti ko ʻeni ʻi he lolo vesitapolo mo e ngako ʻo e monumanu. Koeʻuhi ʻe lava ke faʻu biodiesel mei ha ngaahi feedstocks kehekehe hange ko e taupoʻou vesitapolo lolololo, maumau vesitapolo lolololo, fakapaku lolololo, fanga monumanu ngako hange ko e tallow mo e lard, ʻe lava ke kehekehe lahi ʻa e lahi ʻo e ngaahi faʻafaʻesiti (FFAs). Ko e peseti ʻo e ngaahi faʻafaʻesiti taʻetotongi ʻo e triglycerides ko ha meʻa mahuʻinga ia ʻoku ne takiekina ʻa e founga ngaue biodiesel pea mo e tuʻunga lelei biodiesel. ʻE lava ke uesia ʻe he lahi ʻo e ngaahi faʻafaʻesiti ʻa e founga ʻo e ului pea holoa ʻa e tuʻunga biodiesel fakaʻosi. Ko e tefitoʻi palopalema he ʻoku tali ʻe he fafaʻafaʻesiti (FFAs) ʻa e alkali catalysts tupu mei hono faʻu ʻo e koa. ʻOku fakatupu ʻe hono faʻu ʻo e koa ha ngaahi palopalema glycerol mavahevahe. Ko ia ai, feedstocks ʻoku ʻi ai ha lahi ʻo e FFAs ʻoku fie maʻu ki ai ha faitoʻo (ko ha tali esterification pehe), ʻa ia ʻoku liliu ai ʻa e FFAs ki he esters. ʻOku poupouʻi ʻe Ultrasonication ʻa e ongo toʻonga, transesterification mo e esterification.

Tali ʻa e kemikale ki he Esterification

Ko e Esterification ko e founga ia ʻo hono fakatahaʻi ha ʻesiti (RCOOH) mo ha kava malohi (LOH) ke faʻu ʻaki ha makiʻikiʻi (RCOOR) mo e vai.

Methanol fakaʻaongaʻi ʻi he ʻesiti Esterification

ʻI he taimi ʻoku fakaʻaongaʻi ai ʻa e esterification ʻesiti ke fakasiʻisiʻi ʻa e FFAs ʻi feedstock, ʻoku fuʻu maʻulalo ʻaupito ʻa e ngaahi fie maʻu ki he ivi vave. Neongo ia, ʻoku faʻu ʻa e vai lolotonga e tali esterification – fakatupu ha methanol viviku, ʻesiti, ʻa ia kuo pau ke neutralized, fakamomoa pea toe sai. ʻOku mamafa ʻaupito ʻa e founga fakaakeake methanol ko ʻeni.
Kapau ʻoku ʻi ai ha feedstocks ʻe 20 ki he 40% pe ko e peseti maʻolunga ange ʻo e FFAs, mahalo ʻe fie maʻu ha ngaahi sitepu lahi kae lava ke ʻohifo kinautolu ki he tuʻunga ʻoku tali lelei. ʻOku ʻuhinga ʻeni, ʻoku toe lahi ange ʻa e ʻesiti, ʻoku fakatupu ʻa e methanol viviku. Hili neutralizing ʻa e ʻesiti methanol, ʻoku fie maʻu ʻe he fakamomoa multistage fakataha mo ha ngaahi reflux mahuʻinga, ʻo tupu ai hano fakaʻaongaʻi ʻo e ivi lahi.


High performance ultrasonics! Hielscher's product range covers the full spectrum from the compact lab ultrasonicator over bench-top units to full-industrial ultrasonic systems.

Hielscher Ultrasonics e ngaohiʻanga koloa maʻolunga ultrasonic homogenizers mei he Loki fakasaienisi ki he lahi ʻo e lalahi.