Fakasiʻisiʻi e Deposition mo e malohi Ultrasonics

ʻOku kamata ʻe asphaltene precipitation ha ngaahi palopalema lahi ʻi hono ngaohi ʻo e lolo ʻo fakasiʻisiʻi ʻa e permeability, liliu ʻa e maka tauhiʻanga ʻo e tanakiʻanga wetability, pea pehe ki hono faʻu ʻo ha malohi lahi ʻi he faiva. ʻOku taʻofi mo remediates ʻe ultrasonic asphaltene deagglomeration mo e fakamovetevetea ʻa hono faʻu ʻo e asphaltene flocs mo ʻenau Deposition.

Ko e palopalema: asphaltenes ʻi he lolo taʻefeʻunga

ʻOku hoko ʻa e asphaltene ko ha meʻaʻofa fefeka ʻi he lolo taʻefeʻunga ʻa ia ʻoku lau ko ha palopalema he ʻoku ne fakatupu ha ngaahi palopalema faingataʻa lolotonga hono ngaohi mo fefonongaʻaki ʻo e taʻefeʻunga mei he vili lelei. Ko e Asphaltenes ko ha kalasi faingataʻa ʻaupito ia ʻo e molecules pea ʻoku hoko ia ʻi ha ngaahi fale molecular kehekehe – ko ha meʻa ʻoku tokoni ki he palopalema ko ha ngaahi founga kehekehe ʻo e asphaltene fakatupu ha ngaahi palopalema ʻi ha tuʻunga mafatukituki kehekehe. ʻOku hanga foki ʻe he ngaahi fale kehekehe ʻo asphaltene ʻo ʻai ke faingataʻa hono generalize ia ki ha famili pau. Ko ia ai, ʻoku faʻa fakafaʻahinga ʻa e asphaltene ko ha kalasi solubility, he ʻoku pehe ʻoku insoluble ia ʻi n-alkanes.
Ko e ngaahi palopalema angamaheni ʻoku fakatupu ʻe he asphaltenes ʻi he lolo taʻefeʻunga ko e e.g., matolu flocculations mo e ngaahi tipositi ʻi he tanakiʻanga, boreholes, mo e fefonongaʻaki pipelines, ʻa ia ʻoku iku ia ki hono fakalele mo ngaohi ʻo e ngaahi palopalema pea toe lahi ange ʻa e fakamole ki he ngaue.

Agglomerated and flocculated asphaltenes can be remediated by ultrasonic deagglomeration and particle size reduction

Asphaltene aggregation mo flocculation ʻoku ha ʻi he sipinga ʻa e ʻa Siapani.
ʻI he angalelei ʻa O. Mullins, Schlumberger.

Ultrasonicator for asphaltene deagglomeration and flocculant reduction

Ko e ultrasonic processor UIP16000 ko ha homogenizer ngaue maʻolunga ia ki hono faitoʻo ʻo e lolo taʻefeʻunga

Ko e founga: ultrasonic fakasiʻisiʻi e asphaltene Precipitates

ʻE lava ke toe fakaleleiʻi ʻa e meʻa--mo flocculated asphaltene ngaahi momoʻi meʻa reliably ʻe he malohi ultrasonication. ʻOku hanga ʻe he perfromance ultrasonication ʻo taʻofi ʻa e preciptates pea flocculates hifo ki ha kiʻi konga siʻi. Ko ia ai, ʻoku toe dissociated ʻa e asphaltene ki ha fanga kiʻi momoʻi meʻa iiki, ʻa ia ʻoku ʻikai clog pe kaunoa ʻi he ngaue taʻefeʻunga. Ultrasonic dispersers homogenize e ngaahi momoʻi meʻa ʻi he lolo taʻefeʻunga. ʻOku faʻa tanaki atu ha kemikale stabilizer ke maʻu ai ha tuʻunga malu taimi loloa. ʻOku ʻuhinga ʻeni, ultrasonication lava ke fakasiʻisiʻi ʻa e faʻunga ʻo e macro asphaltene flocculation, ʻa ia ʻoku ne taʻofi ʻa e asphaltene Deposition ʻi he tafaʻaki ki ʻolunga, ʻa e tutuʻu plugging ʻi he tanakiʻanga, wellbore plugging mo e up-Up ʻi pipelines.

Ultrasonic deagglomeration reduces asphaltene particle size and prevents deposition.

Ngataʻanga ʻo e vai masima tafea ʻi ultrasonic ngaahi peau kehekehe ʻi he ngaahi feituʻu kehekehe ʻo e sipinga Micro.
Ako mo maʻu e totonu ki aí: Deshibi et Al. 2018 (CC fai ʻe NC-4.0)

Ngaahi lelei ʻo ultrasonic asphaltene holo

Fakasiʻisiʻi e lahi ʻo e ʻuli
Holoki ʻo e asphaltene agglomerates
Flocculation inhibition
Viscosity fakasiʻisiʻi e taʻefeʻunga

Ultrasonic high-performance dispersers deagglomerate asphaltene flocculants and prevent deposition.

Ultrasonic hono fola ʻo 3x UIP1000hdT ki he ngaue lolo taʻefeʻunga

ʻOku fakamoʻoniʻi ʻe he fakatotolo ʻa e ola lelei ʻo ultrasonic asphaltene fakasiʻisiʻi

Naʻe ako ʻe Dehshibi et Al. (2018) ʻa e ngaahi ola ʻo e tuʻo lahi, malohi ultrasonication (30kHz) ʻi he asphaltene precipitation/flocculation mo Deposition ʻi he malumalu ʻo e mafana ʻo e ʻea. Ultrasonication holoki ʻa e asphaltene Deposition. Naʻe fakatupu ʻe ultrasonic ngaahi peau mo e cavitation ʻa e lahi ange hono ngaohi ʻo e lolo ʻe he lolo layering founga. Naʻe ʻikai ngata pe ʻi hono faitoʻo sonication naʻe ʻikai ngata pe ʻi heʻene malava ke toʻo hake ʻa e agglomerates, ka naʻa mo hono fulihi ʻo e ngata kona Deposition.
ʻIkai ngata ai, ʻe lava ʻe hono fakaʻaongaʻi ʻo e ultrasonication ʻo taʻofi ʻa e blockage ʻo throats mo e ngaahi kili ʻaki ha ngaahi agglomerated lahi. ʻI heʻene pehee, naʻe taʻofi ai ha fuʻu malohi koeʻuhi ko e Deposition pea naʻe toe lelei ange ʻa e tafe ʻa e lolo ʻi he kili mo e throats. ʻI hono fakaʻaongaʻi ʻo e ʻimisi, naʻe ʻilo ai ko e ola ʻo hono fakaʻaongaʻi ʻo e malohi fakaʻata fekauʻaki mo e 80% ʻo meʻa--naʻe ʻikai tipositi ia. "ʻI hono fakalea ʻe niʻihi, 80% ʻo e deposition ʻoku holoki mo malava ai ke blockage ʻa e ngaahi senolo Micro ʻoku fakasiʻisiʻi koeʻuhi ko hono fakaʻaongaʻi ʻo e ultrasonic." (Dehshibi et Al., 2018)
Naʻe fakahaaʻi ʻe he ngaahi meʻa naʻe maʻu ʻi hono ako ʻo e kulupu fekumi ʻa Deshibi ʻe lava ʻe ultrasonic movete mo cavitation ʻo toʻo ha asphaltene lahi ange aggregates mei ʻolunga pea ʻave kinautolu ki he konga lahi ʻo e tafe mai. ʻIkai ngata ai, naʻe holoki ʻe he ultrasonic ngaue ʻa e lahi ʻo e aggregated asphaltene (vakai ki he konga ʻi lalo). Makatuʻunga ʻi hono ʻanalaiso ʻo e ʻimisi, fakafuofua ki he 70% ʻo e asphaltene meʻa--he ʻikai tipositi ia koeʻuhi ko e kaveinga ʻo e polokalama ke sonication.

Ultrasonication is successfully applied to reduce asphaltene aggregates and flocculates to prevent their deposition.

Ngataʻanga ʻo e masima (magnesium chloride fakaleleiʻi) tafea ʻi fakaʻata ngaahi peau irradiation: (a) ko e reversibility ʻo e asphaltene Deposition (e) toʻo asphaltene.
Ako mo e maʻu mafai pulusi: Deshibi et Al. 2018 (CC fai ʻe NC-4.0)

Ma'olunga 'o e ngaue Ultrasonicators

ʻOku makehe ʻa Hielscher Ultrasonics ʻi he fakalakalaka, prototyping, ngaohi ʻo e koloa mo hono tufaki ʻo e ngaue maʻolunga ultrasonic processors ki hono fakaʻaongaʻi mamafa ʻo e fatongia. Koeʻuhi ko ha ngaue makehe, kataki, robustness, mo e ala falalaʻanga, Hielscher ultrasonic ʻoku fakahu ia ki he ngaahi polokalama kemikale petro ʻi he funga ʻo e mamani. ʻOku kau ʻi he ngaahi founga angamaheni ʻa e ultrasonically tokoniʻi oxidative desulphurization, lolo taʻefeʻunga emulsification, asphaltene deagglomeration, koloa fufu, pea viscosity fakasiʻisiʻi ʻa e lolololo mamafa. Hielscher Ultrasonics’ ʻe lava ʻe he ultrasonic lalahi processors ʻo fakahaofi ha amplitudes maʻolunga ʻaupito, ʻa ia ʻoku fie maʻu ki hono fakaʻaongaʻi ʻo e fatongia mamafa. Amplitudes ʻo aʻu ki 200μm ʻe faingofua pe ke lele hokohoko ʻi he tafa 24/7. ʻOku lava ke maʻu ha amplitudes maʻolunga ange fakapatonu ultrasonic sonotrodes. ʻOku faingofua pe hono tokangaʻi ʻe he ngaahi founga ngaue ʻa e Hielscher ʻa e viscosities maʻolunga pea ʻoku fie maʻu ke tokangaʻi maʻulalo pe.
Fetuʻutaki mai he taimi ni ke maʻu ha fakamatala lahi ange fekauʻaki mo ultrasonic asphaltene holo, ngaahi fili ki hono fola mo hono totongi! ʻE fiefia ʻa ʻetau ngaahi akoʻi lelei, taukei fuoloa ke aleaʻi hoʻo ngaahi fie maʻu ki he founga ngaue mo koe!
'Oku 'omi 'e he e tepile 'i lalo ha faka'ilonga ia 'o e tu'unga 'o e ngaue ki he fakafuofua'i 'o e hotau ultrasonicators:

Kulupu (batch) 'o e tohi	'Oku tafe mai 'a e 'ea	'Oku fokotu'u atu 'a e ngaahi me'angaue
mL 'o e 1 ki he 500	10 ki he 200mL/miniti 'e	UP100H
mL 'i he 10 ki he 2000	20 ki he 400mL/miniti 'e	UP200Ht, UP400St
0.1 ki he 20L	0.2 ke 4L/miniti 'e	UIP2000hdT
10 ki he 100L	2 ki he 10L/miniti 'e	UIP4000hdT
n.a.	10 ki he 100L/miniti 'e	UIP16000
n.a.	lalahi	fakataha'i 'o e UIP16000

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

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

Reza Rezaei Dehshibi, Ali Mohebbi, Masoud Riazi, Mehrdad Niakousari (2018): Experimental investigation on the effect of ultrasonic waves on reducing asphaltene deposition and improving oil recovery under temperature control. Ultrasonics Sonochemistry Vol. 45, 2018. 204-212.
Amani, Mahmood, Retnanto, Albertus, AlJuhani, Salem, Al-Jubouri, Mohammed, Shehada, Salem, Rommel Yrac (2015): Investigating the Role of Ultrasonic Wave Technology as an Asphaltene Flocculation Inhibitor, an Experimental Study. International Petroleum Technology Conference, Doha, Qatar, December 2015.
Khosrow Naderi, Tayfun Babadagli (2010): Influence of intensity and frequency of ultrasonic waves on capillary interaction and oil recovery from different rock types. Ultrasonics Sonochemistry, Volume 17, Issue 3, 2010. 500-508.
Goual Lamia (2012): Petroleum asphaltenes. In: Crude Oil Emulsions – Composition Stability and Characterization. InTechOpen 2012.
Salehzadeh, M., Akherati, A., Ameli, F. and Dabir, B. (2016): Experimental study of ultrasonic radiation on growth kinetic of asphaltene aggregation and deposition. Canadian Journal of Chemical Engineering 94(11). 2202-2209.

Fekau'aki mo e ngaahi fu'u pou

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

Asphaltenes

Asphaltenes ʻoku kau ai ʻa e kaponi, fakapaaki ʻo e, nitrogen, ʻosikena, mo e sulfur, pea pehe ki he lahi ʻo e vanadium mo e seniti ʻe nima. Ko e fika (ratio) ʻo e C:H ʻoku fakafuofua ko e 1:1.2, ka ʻoku kehekehe pe ia ʻo makatuʻunga ʻi he maʻuʻanga asphaltene. ʻOku fakaʻuhingaʻi ʻa e asphaltene ko e "konga mamafa taha ia ʻo lolo fokotuʻu fluids ʻoku insoluble ʻi he mama n-alkanes hange ko n-pentane pe n-heptane, ka soluble ʻi aromatics hange ko toluene" (Goual 2012)

ʻE lava ke ʻiloʻi mo fakafaʻahinga ʻa e asphaltene ʻe he ngaahi ʻulungaanga ko ʻeni:

Fefeka: ko e meʻa ʻoku homogenized ko ha konga fefeka ia ʻoku homogenized ʻi he lolo taʻefeʻunga ʻi he ngaahi tuʻunga ʻo e tanakiʻanga.
n-Alkane insoluble: ʻOku fakafaʻahinga ʻa e asphaltene ko ha kalasi solubility koeʻuhi he ʻoku lahi hono ngaahi fale, pea ko ia ai, ʻoku faingataʻa ʻaupito ke ʻomi ha faʻunga generalized ki ai. Ko ia ʻoku fakaʻuhingaʻi ia ko e konga mamafa taha molecular ʻi he lolo taʻefeʻunga ʻoku insoluble ʻi he mama n-alkanes hange ko n-pentane pe n-heptane mo soluble ʻi aromatics hange ko e toluene pe xylene.
Ko e meʻa mahuʻinga ʻaupito: ko e asphaltene ko e taha ia ʻo e ngaahi konga siʻi ʻo e lolo taʻefeʻunga ʻoku fuʻu faingataʻa, ʻo fakafehoanaki ia ki he lolo taʻefeʻunga fakakatoa, ʻa ia ʻoku lau ʻoku ʻikai ke ʻi ai ha meʻa .
Heteroatoms: ʻOku fekauʻaki ʻa e asphaltene mo e hetero-atoms, ʻa ia ʻoku fakaha pe ʻi nitrogen, ʻosikena, mo e sulfur.

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 ngaahi naunau ngaue maʻolunga ultrasonic homogenizers mei he Loki fakasaienisi ki he Lalahi Ko e Size.