I-Hielscher Ultrasound Technology

Ultrasonic Marine Fuel Desulphurization

  • Amafutha asolwandle athinteka yimithetho emisha, edinga okuqukethwe kwesibabule okuyi-0.5% m / m noma ngaphansi.
  • I-Ultrasound-assisted oxidative desulfurization (UAOD) indlela esunguliwe esheshisa ukusabela kwe-oxidation futhi inqubo eyondayo nephephile.
  • Izinqubo ze-UAOD zingaqhutshwa ekushiseni okukhona nasekucindezelweni komkhathi futhi kuvunyelwe ukususwa okukhethekile kokuhlanganiswa kwe-compact yesibabule kusuka kumafutha e-hydrocarbon.
  • Izinhlelo ze-Hielscher eziphakeme ezisebenza kahle kulula ukufaka futhi kuphephile ukusebenza kuzo-ebhodini noma olwandle.

Amafutha Ophansi Wasolwandle Ophansi

I-International Maritime Organisation (IMO) isebenzise imiyalo emisha lapho izikebhe zasemanzini emhlabeni jikelele zidingeka ukuthi zisebenzise amafutha olwandle ngokuqukethwe kwesibabule okungu-0.5% m / m kusukela ngoJanuwari 2020. Le mithetho emisha ifuna ushintsho olukhulu ekusebenzeni kwamafutha asolwandle: Ukuze kufezwe izinkambiso ezintsha zamandla aphansi wesibabule, inqubo ephumelelayo yokuqothula edingekayo iyadingeka.
I-Ultrasonically-assist oxidative desulphurization (i-UAOD) yamafutha we-hydrocarbon e-liquid efana nophethiloli, i-naphtha, udizili, uphethiloli wasolwandle, njll., Iyindlela esebenza kahle futhi esebenza ngempumelelo yokususa isibabule emifudlaneni emikhulu yamafutha asindayo.

I-Ultrasonically-assisted Oulidative Desulphurization (UAOD)

I-Flowchart ye-2-isigaba se-oxidative desulphurization

I-Oxidative Desulphurization

I-Oxidative Desulphurization (ODS) iyindlela enobungani bemvelo neyomnotho yokusebenzisa i-hydrodesulphurization (HDS) kusukela lapho izingxube zesibabule ze-oxidized zingahlukaniswa kalula ngamafutha asindayo kaphethiloli. Ngemuva kwesinyathelo se-oxidative desuphurization, izinhlanganisela zesibabule ezikhishwe zihlukaniswa ngezindlela zomzimba, isibonelo, ukusebenzisa i-solar non-miscible solar solvent kanye ne-gravel eyalandela, i-adsorption noma ukuhlukaniswa kwe-centrifugal. Ngenye indlela, ukubola okushisayo kungasetshenziswa ukususa isibabule se-oxidized.
Mayelana ne-oxidative desulphurization reaction, i-oxidant (isb., I-hydrogen H2O2, i-sodium chlorite NaClO2, i-nitrous oxide N2O, i-NaIO yesikhathi sodium4), i-catalyst (isb., acid) kanye ne-reagent yesigaba sokudlulisa iyadingeka. I-reagent yesigaba-sokudlulisa isiza ukukhuthaza ukusabela okuxakile phakathi kwezigaba ezinamanzi namafutha, okuyisinyathelo esinqamula izinga lokuphendula kwe-ODS.

Izinzuzo ze-UAOD

  • ephumelelayo kakhulu – kufika ku-98% desulfurization
  • kwezomnotho: utshalomali oluphansi, izindleko eziphansi zokusebenza
  • akukho okubangela ubuthi
  • elula, ulayini wesikali
  • ephephile ukusebenza
  • ogwini & ukufakwa kude nolwandle (onboard)
  • i-RoI esheshayo
Ukucekelwa phansi kwe-Ultrasonic kokuthuthwa kwemikhumbi yasolwandle

Isicelo solwazi




Qaphela kwethu Inqubomgomo yobumfihlo.


I-Ultrasonically-assisted Oxidative Desulphurization

Ngenkathi i-hydrodesulphurization (HDS) idinga izindleko eziphakeme zokutshala imali, izinga lokushisa eliphakeme lokufika ku-400ºC, kanye nengcindezi ephezulu yokufika ku-100atm ku-reactors, inqubo ye-oxidative desulfurization (UAOD) elula kakhulu, esebenza kahle futhi eluhlaza. I-UAOD ithuthukisa kakhulu ukusebenza kabusha kokususwa kwesibabule futhi inikeze ngasikhathi sinye izindleko zokusebenza eziphansi, ukuphepha okuphezulu nokuvikelwa kwemvelo. Amasistimu we-reactor we-ultrasonical we-ultrasonics akhuphula izinga lokuchithwa kwesakhiwo ngenxa yokuhlakazeka okusebenzayo kakhulu bese ngokwenza kanjalo enze ngcono i-kinetics yokusabela. Njengoba ukucubungulwa kwe-ultrasonic kunikeza ukusakazeka okuyisilinganiso se-nano, ukudluliselwa kwesisindo phakathi kwezigaba ezihlukene ekuphenduleni kwe-heterogeneous kukhule kakhulu.
I-cavitation ene-ultrasonic enamandlaI-Ultrasonic (acoustic) cavitation kukhuphula izinga lokuphendula kanye nokudluliselwa kwesisindo yizimo ezedlulele, ezitholakala ngaphakathi kwezindawo ezishisayo ze-cavitational. Ngesikhathi sokufakwa kwe-bubble cavitation, amazinga okushisa aphezulu kakhulu we-approx. I-5,000K, amanani wokupholisa ashesha kakhulu, izingcindezi ze-approx. Ama-2000atm kanye nokushisa ngokweqile kanye nokwehluka kwengcindezi kufinyelelwa endaweni. Ukufakwa kwe-bubble ye-cavitation kubuye kuphumele kuma-jets e-liquid afinyelela ku-280m / s velocity, okudala amabutho aphezulu kakhulu e-shear. Lawa mishini eyingqayizivele asheshisa isikhathi sokuphendula se-oxidation futhi andise ukusebenza kokuguqula kwesibabule ngaphakathi kwemizuzwana.

Ukususwa Kokuphelele Kwesibabule

Ngenkathi ama-mercaptans, ama-thioethers, ama-sulfides kanye nama-discrides angasuswa ngenqubo ejwayelekile ye-hydrodesulphurization (HDS), yokususwa kwe-thiophenes, benzothiophens (BT), dibenzothiophenes (DBT) kanye ne-4,6-dimethyldibenzothiophenes (4,6-DMDB) indlela eyinkimbinkimbi iyadingeka. I-Ultrasonic oxidative desulphurization isebenza kakhulu uma kukhulunywa ngokususwa kwezakhi ezihlanganayo neze-sulphur refractory (isib. 4,6-dimethyldibenzothiophene nezinye ze-alkyl-substitised thiophene derivatives). Ebrahimi et al. (2018) bika a ukusebenza kahle kwe-desulfurization kuze kube yi-98.25% usebenzisa i-Hielscher sonoreactor elungiselelwe ukususwa kwesibabule. Ngaphezu kwalokho, izinhlanganisela zesibabule ze-ultrasonically oxidized zingahlukaniswa ngokugeza kwamanzi okuyisisekelo.

Ngokukhiqizwa kwe-oxidative desulphurization (i-UAOD) yezinyathelo eziningi kususwe kakhulu isibabule. (UShayegan et al. 2013)

Umphumela wenqubo yezinyathelo eziningi ze-UAOD ngamapharamitha aphezulu

I-Ultrasonic Desulphurization Feasibility Test ne-UP400S

UShayegan et al. I-2013 ultrasonication ehlanganisiwe (UP400S) nge-hydrogen peroxide njenge-oxidant, i-FeSO njenge-catalyst, i-acetic acid njenge-pH adjuster kanye ne-methanol njenge-solvent solvent ukuze kuncishiswe inani lesibabule lamafutha kagesi.
Ama-reaction rate constants ngesikhathi se-oxidative desulphurization angandiswa kakhulu ngokungeza ama-ion wensimbi njenge-catalyst nokusebenzisa i-sonication. Amandla we-ultrasound anganciphisa amandla we-activation yokusabela. Ukwelashwa kwe-ultrasonication kwephula ungqimba phakathi kwama-catalysts aqinile nama-reagents futhi kunikeze ukuhlanganiswa okungatheni kwama-catalysts nama-reagent – ngcono ngalokho kinetics yokusabela.
Inqubo yokukhishwa kwesibabule yisinyathelo esibalulekile ngesikhathi sokudonswa phansi ngenhloso yokubuyisa inani eliphelele lamafutha egesi asuswe ngokuphelele. Kusetshenziswa isizinda esingamanzi esiwusebenzisa i-methanol njenge-solvent kuyinqubo elula yokukhipha, kepha ukuqinisekisa ukusebenza kahle okuphezulu kokuxubana okusebenzayo kwezigaba ezingafinyeleleki kubalulekile. Kuphela lapho ukubonwa okuphezulu kakhulu nokulandelayo kudluliswa okukhulu phakathi kwezigaba, kutholakala isilinganiso esikhulu sokukhishwa. I-Ultrasonication kanye nesizukulwane se-acoustic cavitation kunikeza ukuxuba okukhulu kwezigaba zokuphendula futhi kwehlise amandla okusebenza kokuphendula.

Amayunithi aphezulu okuSebenza we-Ultrasonic we-Marine Fuel Desulphurization

I-Hielscher Ultrasonics ingumholi wemakethe wezinhlelo eziphezulu zamandla e-Ultrason wokufaka izicelo ezinjenge-UAOD kusilinganiso sezimboni. Izikhuliso eziphakeme ezifika ku-200µm, ukusebenza kwe-24/7 ngaphansi komthwalo ophelele kanye nomsebenzi osindayo, amandla nobuntu obuhle yizimpawu ezibalulekile ze-Hielscher ultrasonicators. Izinhlelo ze-Ultrasonic zamakilasi amandla ahlukene nezesekeli ezahlukahlukene ezifana nama-sonotrodes nama-geometries okuhamba kwe-flowor avumela ukuguqulwa okuhle kakhulu kohlelo lwe-ultrasonic kugesi yakho ethize, amandla okucubungula nendawo ezungezile.
Ithebula elingezansi linikeza isibonakaliso somthamo wokucubungula we-ultrasonicators wethu:

Iqoqwana Ivolumu flow Rate Amadivayisi ezinconyiwe
10 kuya ku-2000mL 20 kuya ku-400mL / min UP400St
0.1 kuya ku-20L 0.2 kuya ku-4L / min I-UIP2000hdT
10 kuya ku-100L 2 kuya ku-10L / iminithi I-UIP4000hdT
na 10 kuya ku-100L / iminithi UIP16000
na sikhulu yinhlanganisela UIP16000

Xhumana nathi! / Cela Us!

Cela ulwazi oluthe xaxa

Sicela usebenzise ifomu elingezansi, uma ufisa ukucela ulwazi oluthe xaxa mayelana ne-homogenization yama-ultrasonic. Sizojabula ukukunikeza uhlelo lwe-ultrasonic ukuhlangabezana nezidingo zakho.









Sicela uqaphele wethu Inqubomgomo yobumfihlo.


I-Hielscher Ultrasonics ikhiqiza ama-ultrasonicators aphezulu ekusebenzeni kwezicelo ze-sonochemical.

Amaprosesa aphezulu aphezulu e-ultrasonic kusukela ebhuthini kuya ku-pilot nesilinganiso sezimboni.

Izincwadi / Izinkomba

  • I-Ebrahimi, SL; Khosravi-Nikou, MR; I-Hashemabadi, SH (2018): Ukusebenza kwe-Sonoreactor kwe-ultrasound kwasiza ukucekeleka phansi kwe-oxidative desulfurization ye-liquid hydrocarbon. IPetroleum Science and Technology Vol. 36, Isikweletu 13, 2018.
  • UPrajapati, AK; Singh, SK; IGupta, SP; UMishra, A. (2018): I-Desulphurization of Crude Amafutha yi-Ultrasound Integrated Oxidative Technology. IJSRD – Ijenali Yezwe Yezokucwaninga Ngesayensi & Ukuthuthukiswa Vol. 6, Isikhishwe 02, 2018.
  • Shayegan, Z .; I-Razzaghi, M .; I-Niaei, A .; ISalari, D .; I-Tabar, i-MTS; I-Akbari, AN (2013): Ukususwa kwesalfure kawoyela kaphethiloli kusetshenziswa inqubo ye-oxidative ye-ultra-catalyative kanye nokutadisha kwezimo zayo ezinhle. WaseKorea J. Chem. Eng., 30 (9), 2013. 1751-1759.
  • Štimac, A .; Ivančević, B .; IJambrošić, K. (2001): Isici se-Ultrasonic Homogenizer yomkhakha Wokwakha.


Imiphumela Yocwaningo ku-Ultrasonic-assisted Oxidative Desulphurization (UAOD)

Prajapati et al. (2018): I-Desulphurization ye-Crude Amafutha yi-Ultrasound integrated Oxidative Technology. IJSRD – Ijenali Yezwe Yezokucwaninga Ngesayensi & Ukuthuthukiswa Vol. 6, Isikhishwe 02, 2018.
Prajapati et al. (2018) chaza izinzuzo ze-Hielscher ultrasonic reactionor ye-ultrasound-assisted oxidative desulfurization (UAOD). I-UAOD isiphenduke ubuchwepheshe obukhona obukhona ku-hydrotreating yendabuko, ethikamezwa yizindleko ezibalulekile zokutshala imali nokusebenza ngenxa yemishini yokushisa ephezulu, imishini yokushisa ye-hydrodesulphurization, ama-boilers, izitshalo ze-hydrogen, nezindawo zokuvuselela isibabule. Izimvume zokususa i-oxidative desulfurization ezisiza i-Ultrasound zenza inqubo yokususwa okujulile kwesibabule ngaphansi kwezimo ezinobuncane kakhulu, ngokushesha, ephephile futhi nangokwezomnotho okuningi.
Inqubo ye-oxidative desulfurization (UAOD) ye-Ultrasound isetshenziselwe ukusetshenziselwa uwoyela wedizili nowoyela womkhiqizo we-petroleum onamakhompiyutha ayisibonelo (i-benzothiophene, dibenzothiophene ne-dimethyldibenzothiophene). Ithonya lamanani oxidant, umthamo we-solvent wesinyathelo sokukhishwa, isikhathi kanye lokushisa kokwelashwa kwe-ultrasound (I-UIP1000hdT, I-20 kHz, 750 W, esebenza ku-40%) kuyaphenywa. Kusetshenziswa izimo ezisetshenzisiwe ze-UAOD, ukususwa kwesibabule kufinyelela kuma-99% kutholwe ngokuxhunyaniswa kwemodeli kokuphakelayo komkhiqizo kaphethiloli kusetshenziswa ingxenye ye-molar ye-H2O2: i-acetic acid: isibabule esingu-64: 300: 1, ngemuva kwe-9min yokwelashwa kwe-Ultra ku-90ºC, kulandele ukukhishwa nge-methanol (isilinganiso se-solvent eyenziwe kahle ne-oyela ka-0,36). Kusetshenziswa inani elifanayo le-reagent kanye ne-9 min ye-Ultra ukususwa kwesibabule bekuphezulu kune-75% kumasampula kawoyela odizili.
Ukubaluleka Kwezindawo Eziphezulu Zamandla Amandla Eziphezulu
Ukuqiniswa kwe-Ultrasonic kokuchithwa kwe-oxidative ye-oxidative kawoyela ongahluziwe kudinga ukusetshenziswa kosayizi weprosesa osayizi wokugeleza ngokusebenzisa i-ultrasonic processor okwazi ukugcina amandla okudlidliza okuphezulu cishe 80 – I-100 microns. Ama-amplopes ahlobene ngqo nobukhulu bamandla e-shetracit eyenziwe e-ultrasonic futhi kufanele agcinwe ngezinga eliphakeme ngokwanele ukuze ukuxubeka kuphumelele.
Ukuhlolwa okwenziwe nguPrajapati et al. bonisa ukuthi i-ultrasonication ithuthukisa ukusabela kokudalwa kwesibindi. Ukusebenza kahle kwe-desulfurization kwakungamaphesenti angama-93.2 lapho kusetshenziswa i-high-performance ultrasound.


UShayegan et al. (2013): Ukususwa kwesalfure kawoyela kaphethiloli kusetshenziswa inqubo ye-oxidative ehlanganisa nokusiza ye-ultrasound nokufunda kwezimo zayo ezinhle. I-Korea Journal ye-Chemical Engineering 30 (9), Septhemba 2013. 1751-1759.
Inqubo ye-oxidative desulfurization desulfurization (UAOD) esetshenziselwa i-Ultrasound isetshenziselwa ukwehlisa i-sulfur compounds yamafutha kagesi aqukethe izinhlobo ezahlukahlukene zokuqukethwe kwesibabule. Ukulawulwa kwezemvelo kudinga ukucekelwa phansi okujulile kakhulu ukuze kuqedwe ukuhlanganiswa kwesibabule. I-UAOD ubuchwepheshe obuthembisayo ngezindleko eziphansi zokusebenza nokuphepha okuphezulu nokuvikelwa kwemvelo. Okokuqala ngqa ejenti elijwayelekile lokudlulisa isigaba (i-tetraoctyl-ammonium-bromide) lathathelwa indawo nge-isobutanol ngoba ukusebenzisa isobutanol kukonga kakhulu kune-TOAB, kungafaki ukungcoliswa. Ukuphendula kwenziwa endaweni efanele ngamazinga okushisa ahlukahlukene, ngasikhathi sinye, izinqubo ezimbili nezinyathelo ezintathu, kuphenya umphumela wokukhuphuka kancane kancane kwe-H2O2 ne-TOAB isetshenziswa esikhundleni se-isobutanol. Ukuqoqwa kwesibabule okuphelele esigabeni samafutha kuhlaziywe indlela ye-ASTM-D3120. Ukususwa okuphezulu kakhulu kwe-90% kawoyela kagesi oqukethe i-9 500 mg / kg yesibabule kutholwe ngezinyathelo ezintathu ngesikhathi semizuzu engu-17 yokusebenza ku-62 ± 2 ° C lapho i-180.3 mmol ye-H.2O2 kwasetshenziswa futhi isizinda senziwa yi-methanol.


Akbari et al. (2014): Ukuphenywa kokuguquguquka kwenqubo kanye nemiphumela yokuqina ye-ultrasound kusetshenziswa ekuchazweni kwe-oxidative desulfurization yemodeli yedizili ngaphezulu kwe-MoO3/ Al2O3 okubangela. I-Ultrasonics Sonochemistry 21 (2), Mashi 2014. 692-705.
Uhlelo olusha lwe-sonocatalytic olusha oluqukethe i-MoO3/ Al2O3 ukhuthazi noH2O2 kuhlanganiswe ne-ultrasonication kwafundwa ukuthuthukisa kanye nokusheshisa i-oxidation yemodeli yokuhlangana yesibabule yedizili, okuholela ekwandeni okukhulu ekusebenzeni kwenqubo. Ithonya le-Ultra ezakhiweni, ekusebenzeni nasekuqineni kwesixhumi safundwa ngokuningiliziwe kusetshenziswa amasu we-GC-FID, PSD, SEM ne-BET. Ngaphezu kokuguqulwa okungu-98% kwe-DBT kudizili oyimodeli equkethe i-1000 μg / g yesibabule kutholwe yikudilizwa okwenziwe kabusha kwe-ultrasound ku-H2O2/ isilinganiso se-sulfure molar esingu-3, izinga lokushisa lama-318 K nomthamo obunzima wama-30 g / L ngemuva kokuphendula okungamaminithi angama-30, ngokungafani nokuguqulwa okungu-55% okutholakele ngesikhathi senqubo ethule. Lokhu kuthuthukiswa kuthinteke kakhulu ngamapharamitha wokusebenza nezindawo zokuthambisa. Imiphumela yokuguquguquka kwenqubo enkulu iphenywe kusetshenziswa indlela yokuphendula ebusweni kwinqubo ethule uma iqhathaniswa ne-ultrasonication. I-Ultrasound inikeze ukuhlakazwa okuhle kwe-catalyst ne-oxidant ngokuqhekeka kwe-hydrogen bonding kanye ne-deagglomeration yabo esigabeni samafutha. Ukufakwa kokungcoliswa kokumanzi komhlaba kubangele ukungasebenzi okusebenzayo kusivivinyo buthule kuphela okuholela ku-5% kuphela we-oxidation we-DBT ngemuva kwemijikelezo engu-6 yokusabela buthule okuvuselelwa kabusha. Ngaphezulu kwe-95% ye-DBT yafakwa i-oxid ngemuva kwemijikelezo engu-6 esiza i-ultrasound ekhombisa ukuthuthuka okukhulu ekuzinzeni ngokuhlanza ingaphezulu ngesikhathi se-ultrasonication. Ukuncishiswa kwesayizi okuyizinhlayiyana kubonwe futhi ngemuva kwe-3h sonication enganikeza ukusatshalaliswa okwengeziwe kwe-catalyst kumodeli kaphethiloli.


Afzalinia et al. (2016): Uhlelo lwe-oxidative desulfurization desulfurization olusebenzisa i-phtrphotungstic acid oluhlanganiswe ku-Zn (II) - esekwe njenge-catalyst. I-Ultrasonics Sonochemistry 2016
Kulomsebenzi, i-oxidative desulfurization (i-UAOD) yamafutha e-ultrasound eyenziwe ngohlobo lwenoveli olusatshalaliswa kakhulu lwe-Keggin-hlobo phosphotungstic acid (H3I-PW12O40, PTA) isishuthekeli esihlanganisiwe kwi-MOF esebenza nge-amino (TMU-17 -NH2). Ihlanganisela elilungiselelwe libonisa umsebenzi omkhulu wokuphinda usebenze futhi ekuvuseleleni ekuchithweni kwe-oxidative kaphethiloli oyimodeli. I-Ultrasound esizwa i-oxidative desulfurization (i-UAOD) indlela entsha yokwenza ukusabela kwe-oxidation yesibabule-kuqukethe amakhompiyutha ngokushesha, ngokwezomnotho, ngobungani bemvelo nangokuphepha, ngaphansi kwezimo eziphansi. Amagagasi e-Ultrasound angasebenza njengethuluzi elisebenzayo lokwehlisa isikhathi sokuphendula futhi athuthukise ukusebenza kohlelo lwe-oxidative desulfurization. I-PTA @ TMU-17-NH2 ingenziwa ngokuphelele ekuchithweni kawoyela oyimodeli ngo-20 mg we-catalyst, isilinganiso se-O / S molar se-1: 1 phambi kwe-MeCN njenge-solvent solvent. Imiphumela etholakele iveze ukuthi ukuguqulwa kwe-DBT ku-DBTO2 kufinyelela kuma-98% ngemuva kwamaminithi ayi-15 emazingeni okushisa asendaweni. Kulomsebenzi, silungiselele i-TMU-17-NH2 ne-PTA / TMU-17-NH2 eyinhlanganisela ye-ultrasound irradiation okokuqala futhi saqashwa kwinqubo ye-UAOD. Isikhuthazi esisilungiselelwe sibonisa ukuphinda usebenze kahle ngaphandle kokulethwa nge-PTA nokulahleka komsebenzi.