PL232586B1 - Sposób usuwania aromatycznych związków policyklicznych z oleju silnikowego - Google Patents
Sposób usuwania aromatycznych związków policyklicznych z oleju silnikowegoInfo
- Publication number
- PL232586B1 PL232586B1 PL416295A PL41629516A PL232586B1 PL 232586 B1 PL232586 B1 PL 232586B1 PL 416295 A PL416295 A PL 416295A PL 41629516 A PL41629516 A PL 41629516A PL 232586 B1 PL232586 B1 PL 232586B1
- Authority
- PL
- Poland
- Prior art keywords
- filtration
- bed containing
- engine oil
- study
- oil
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 22
- 239000010705 motor oil Substances 0.000 title claims description 4
- 238000001914 filtration Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000001471 micro-filtration Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000004148 unit process Methods 0.000 claims 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 14
- 239000003921 oil Substances 0.000 description 11
- 235000019198 oils Nutrition 0.000 description 11
- 229930195734 saturated hydrocarbon Natural products 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 238000009295 crossflow filtration Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- TXVHTIQJNYSSKO-UHFFFAOYSA-N BeP Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC4=CC=C1C2=C34 TXVHTIQJNYSSKO-UHFFFAOYSA-N 0.000 description 2
- RXUSYFJGDZFVND-UHFFFAOYSA-N Dibenzo[a,h]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=C(C=CC=C3)C3=CC2=C1 RXUSYFJGDZFVND-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- LHRCREOYAASXPZ-UHFFFAOYSA-N dibenz[a,h]anthracene Chemical compound C1=CC=C2C(C=C3C=CC=4C(C3=C3)=CC=CC=4)=C3C=CC2=C1 LHRCREOYAASXPZ-UHFFFAOYSA-N 0.000 description 2
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000001548 androgenic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- -1 polycyclic aromatic compounds Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
Classifications
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- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
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- C—CHEMISTRY; METALLURGY
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- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
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- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Lubricants (AREA)
Description
Opis wynalazku
Dziedzina wynalazku
Wynalazek dotyczy sposobu usuwania aromatycznych związków policyklicznych z oleju silnikowego. Sposób znajduje zastosowanie do selektywnego usuwania z oleju wielopierścieniowych węglowodorów aromatycznych (WWA) przed i po hydrokrakingu w rafineriach petrochemicznych.
• Problem
Oleje silnikowe zawierają wielopierścieniowe węglowodory aromatyczne takie jak piren, benzo(a)piren, dibenzo(a,h)piren, dibenzo(a,h)antracen, chryzen, koronen i inne.
Wyżej wymienione wielopierścieniowe węglowodory aromatyczne (WWA) pod działaniem promieniowania świetlnego w obecności tlenu ulegają reakcji fotochemicznej, w wyniku której powstają niepożądane związki chemiczne między innymi diole, chinony i aldehydy. Związki te wytracają się w postaci osadów powodując, że przydatność rynkowa olejów z takimi osadami jest mniejsza od produktów niezawierających takich osadów. Dodatkowo wielopierścieniowe węglowodory aromatyczne wykazują właściwości kancerogenne. Stanowią zagrożenie dla zdrowia ludzi i ekosystemu. Proponowana metoda oparta na zintegrowanym procesie filtracyjnym pozwala rozwiązać te problemy.
Poziom światowy (literatura):
1) M.B. Gawlik, Maciej Bilek „Możliwość obniżenia emisji wielopierścieniowych węglowodorów aromatycznych ze źródeł androgennych” katedra Toksykologii CM Uniwersytet Jagielloński, Medycyna Środowiska 2006.
2) Zsolt Kemeny, Gabriella Hellner, Andrea Radnóti, Timo Erjomaa, Polycyclic Aromatic Hydrocarbon Removal from Coconut Oil, Euro Fed Lipid meeting, Rotterdam 2011.
3) Method of removing contaminants from petroleum distillates, Patent US 6320090 B1.
4) Selective multi-ring aromatics extraction using a porous, non-selective partition membranę barrier, Patent US 5045206 A.
5) Neha Budhwani, Removal of Polycyclic Aromatic Hydrocarbons Present in Tyre Pyrolytic Oil Using Low Cost Natural Adsorbents, International Journal of Biological, Biomolecular, Agricultural, Food and Biotechnological Engineering Vol. 9, No. 2, 2015.
6) Gong Z., Alef K., Wilke B.M., Li P., Activated carbon adsorption of PAHs from vegetable oil used in soil remediation, J Hazard Mater. 2007 May 8;143 (1-2):372-8.
7) D. Gonzalez, L.M. Ruiz, G. Garralón, F. Plaża, J. Arevalo, J. Parada, J. Perez, B. Moreno, Migual Angel Gómez, Wastewater polycyclic aromatic hydrocarbons removal by membranę bioreactor, Desalination and WaterTreatment, 42 (2012) 94-99.
Fig. 1. Schemat ideowy procesu usuwania aromatycznych związków policyklicznych z oleju silnikowego.
• Badania
Zostały przeprowadzone następujące badania, które w ocenie autorów cechuje wysoka skuteczność rozwiązania problemu. Próbki uzyskane w wyniku przeprowadzonych procesów w firmie Polymemtech Sp. z 0.0. były badane w laboratorium firmy Lotos S.A. (uzyskane wyniki podane są w poniższych tabelach).
Badanie 1
Próbkę oleju o parametrach w poniższej tabeli:
Wygląd w tem p. 20 n C | Klarowny, kolor słomkowy |
Wygląd w temp. 20 0 C | Bez zawiesin |
Gęstość g/cm3. 15 0 C : | 0,8456 |
pci | 1700,5 |
Lepkość kinematyczna w 100oC cSt | 5,24 |
Lepkość kinematyczna w 40KC cSt | 27,9 |
Wskaźnik lepkości | 121 |
Te m p. krze pn ięcia °C | -17 |
PL 232 586 Β1 cd. tabeli
Zawartość siarki %(m/m) | 0,006 |
Węglowodorynasycone%{m/m) | 96,5 |
Monoaromatyczne %(m/m) | 2,7 |
Diaromatyczne | 0,2 |
Tri aromatyczne+%(m/m) | 0,7 |
Polarne %(m/m) | 0 |
• poddano procesowi pogłębionego utlenienia wykorzystując do tego celu promieniowanie UV oraz dwutlenek tytanu jako katalizator. Czas naświetlania wynosił 30 minut.
• Otrzymaną próbkę przefiltrowano w układzie filtracji krzyżowej wykorzystując do tego celu system jednostopniowej filtracji na membranach mi kro porowatych.
Badanie 2 • Próbkę oleju poddano procesowi pogłębionego utlenienia wykorzystując do tego celu promieniowanie UV oraz dwutlenek tytanu jako katalizator. Czas naświetlania wynosił 42 minuty.
• Otrzymaną próbkę przefiltrowano w układzie filtracji krzyżowej wykorzystując do tego celu membrany mikrofiltracyjne.
• Następnie próbkę przefiltrowano przez czterostopniowy zintegrowany układ filtracyjny.
• Otrzymaną próbkę przefiltrowano w układzie filtracji krzyżowej wykorzystując do tego celu membrany nanofiltracyjne.
Badanie 3
Próbkę oleju przefiltrowano przez trzystopniowy zintegrowany układ filtracyjny.
Badanie 4
Próbkę oleju przefiltrowano przez dwustopniowy zintegrowany układ filtracyjny.
Wyniki badań
Badanie 1
Wygląd w temp. 20C | Klarowny, kolor ciemno słomkowy |
Wygląd w temp. 20 ° C : | Bez zawiesin |
0,8456 | |
1638,8 | |
Lepkość kinematyczna w 100°C cSt | 5,236 |
Lepkość kinematyczna w 40°C cSt | 27,92 |
Wskaźnik lepkości | 121 |
Temp, krzepnięcia Ύ | -17 |
Zawartość siatki %(m/m) . | 0,0063 |
Węglowodory nasycone %(m/m) | Nie wykonano pomiarów |
Monoaromatyczne %(m/m) | Nie wykonano pomiarów |
Diaromatyczne %(m/m) | Nie wykonano pomiarów |
Tri aromatyczne-%{m/ri) | Nie wykonano pomiarów |
Polarne %{m/m) | Nie wykonano pomiarów |
PL 232 586 Β1
Badanie 2
Wygląd w temp. 20 0 C | Klarowny, kolor słomkowy |
Wygląd w temp. 20 0 C | Bez zawiesin |
Gęstość g/cm3 15 °C 1 | 0,8456 |
ifiieiie | 79,4 |
Lepkość kinematyczna w 100°C.cSt. | 5,804 |
Lepkość kinematyczna w 40°C. cSt | 32,63 |
Wskaźnik lepkości | 121 |
Temp, krzepnięcia ’C < | -18 |
Zawartość siarki %{m/m) . | 0,004 |
Węglowodory nasycone %(m/m) | 95,7 |
Monoaromatyczne%(m/m) .. . . | 3,3 |
Diaromatyczne %(m/m) | 0,5 |
Tri 3.romatyczne+ %(m/m) | 0,5 |
Polarne %(m/m) | 0,0 |
Badanie 3
Wygląd w temp. 20 0 C .... | Klarowny, kolor słomkowy |
Wygląd w temp. 20° C | Bez zawiesin |
Gęstość g/cm315 u C | 0,8456 |
138,4 | |
Lepkość kinematyczna w 100°C cSt | 5,811 |
Lepkość kinematyczna w 40°C cSt | 32,43 |
Wskaźnik lepkości . | 122,6 |
Temp, krzepnięcia l'G | -21 |
Zawartość siarki %(m/m) | 0,0044 |
Węglowodory nasycone %(m/m) | 95,1 |
Mo noaroma tyczne %{m/m) | 3,5 |
Diaromatyczne %{m/m) | 0,3 |
Tri aromatyczne+ %{m/m) | 1,1 |
Polarne %(m/m) | 0,0 |
PL 232 586 Β1
Badanie 4
Wygląd w temp. 20 0 C | Klarowny, kolor słomkowy |
Wygląd w temp. 20 ° C ; | Bez zawiesin |
0,8455 | |
S11IB1II1B | 788,9 |
Lepkość kinematyczna w 100cC cSt | 5,513 |
Lepkość kinematyczna w 40°C cSt | 29,8 |
Wskaźnik lepkości | 123,7 |
Temp, krzepnięcia °C | -18 |
Zawartość siarki %(m/m) | 0,0052 |
Węglowodory nasycone %(m/m) | 94 |
Monoaromatyczne %(m/m) | 3,4 |
Diaromatyczne %(m/m) | 0,6 |
Tri aromatyczne · %jm/m) - | 2 |
Polarne %{m/m) . | 0,0 |
Omówienie wyników
Podstawowym parametrem określającym stopień separacji WWA jest parametr PCI. Za rezultat zadowalający można uznać wartość parametru PCI poniżej 250.
Badanie 1:
Parametr PCI zmienił się nieznacznie (zmiana mieści się w granicach błędu).
Barwa otrzymanego filtratu jest znacznie ciemniejsza od wyjściowej próbki oleju.
Badanie 2:
Otrzymaną wartość parametru PCI wynoszącą 79,4 można uznać za zadowalającą.
Badanie 3:
Uzyskany rezultat wykonania badania 3 jest zadowalający, wartość PCI zmieniła się znacznie i wyniosła 138,4.
Badanie 4:
Uzyskany rezultat wykonania według badania 4 można uznać za niezadowalający. W próbce wykonanej według badania 4 parametr PCI obniżył się jedynie do 788,9.
Wnioski:
Wielopierścieniowe węglowodory aromatyczne (WWA) takie jak piren, benzo(a)piren, dibenzo(a,h)antracen, dibenzo(a,h)piren i inne mają masy molowe zbliżone do węglowodorów nasyconych będących składnikami oleju. Rozdzielenie WWA od węglowodorów nasyconych z zastosowaniem jedynie membran filtracyjnych nie przyniosło oczekiwanego rezultatu ich rozdziału.
Najbardziej korzystna jest metoda zastosowana w badaniu 3.
Metoda separacji (oczyszczania) polega na dwustopniowym procesie:
• Procesie filtracji na złożu zawierającym w swojej strukturze węgiel w celu selektywnego przyłączenia do jego powierzchni niepożądanych wielopierścieniowych węglowodorów aromatycznych (WWA) z oleju.
• Procesie filtracji w celu usunięcia z oleju cząstek złoża zawierających przyłączone WWA. Wymienione powyżej w opisie oraz w zastrzeżeniach parametry procesu nie wpływają na wzajemne rozdzielenie pożądanych węglowodorów będących składnikami oleju, a jedynie selektywne usunięcie wielopierścieniowych węglowodorów aromatycznych.
Claims (6)
- Zastrzeżenia patentowe1. Sposób usuwania aromatycznych związków policyklicznych z oleju silnikowego, znamienny tym, że cały proces opiera się na dwóch procesach jednostkowych, tj. filtracji na porowatym złożu zawierającym w swojej strukturze węgiel i filtracji na membranach mikrofiltracyjnych.
- 2. Sposób według zastrz. 1, znamienny tym, że filtracja wykonana jest na złożu zawierającym w swej strukturze węgiel w postaci granulowanej lub pylistej o powierzchni rozwiniętej 500-1600 m2/g.
- 3. Sposób według zastrz. 1 albo 2, znamienny tym, że filtracja wykonywana jest na złożu zawierającym w swojej strukturze węgiel o wielkości ziaren 0,3-4 mm.
- 4. Sposób według jednego z zastrz. 1-3, znamienny tym, że temperatura procesu filtracji na złożu zawierającym w swojej strukturze węgiel jest w zakresie 17-65°C.
- 5. Sposób według jednego z zastrz. 1-4, znamienny tym, że filtracja wykonywana jest na złożu zawierającym w swojej strukturze węgiel o prędkości liniowej od 1 do 10 m/min.
- 6. Sposób według jednego z zastrz. 1-5, znamienny tym, że filtracja wykonywana jest na membranach mikrofiltracyjnych o nominalnej wielkości porów w granicach 0,1-1,2 mikrometra, korzystnie 0,1-0,5 mikrometra.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
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PL416295A PL232586B1 (pl) | 2016-02-29 | 2016-02-29 | Sposób usuwania aromatycznych związków policyklicznych z oleju silnikowego |
KR1020187028046A KR20190008834A (ko) | 2016-02-29 | 2017-02-28 | 석유 처리의 결과로서 얻어진 오일로부터 다환 방향족 탄화수소의 선택적 제거 방법 |
JP2018545664A JP2019512032A (ja) | 2016-02-29 | 2017-02-28 | 石油処理の結果として得られる油から多環芳香族炭化水素を選択的に除去する方法 |
EP17760376.8A EP3423547A4 (en) | 2016-02-29 | 2017-02-28 | METHOD FOR THE SELECTIVE REMOVAL OF POLYCYCLIC AROMATIC HYDROCARBONS FROM OILS OBTAINED FROM OIL PROCESSING |
CN201780026555.5A CN109153924A (zh) | 2016-02-29 | 2017-02-28 | 从石油加工获得的油中选择性除去多环芳烃的方法 |
RU2018134298A RU2753506C2 (ru) | 2016-02-29 | 2017-02-28 | Способ селективного удаления полициклических ароматических углеводородов из нефтепродуктов, полученных в результате нефтепереработки |
US16/080,463 US20210189262A1 (en) | 2016-02-29 | 2017-02-28 | Method for selective removal of polycyclic aromatic hydrocarbons from oils obtained as a result of petroleum processing |
PCT/PL2017/050011 WO2017150999A1 (en) | 2016-02-29 | 2017-02-28 | Method for selective removal of polycyclic aromatic hydrocarbons from oils obtained as a result of petroleum processing |
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DE2627629C3 (de) * | 1976-06-19 | 1979-12-20 | Bayer Ag, 5090 Leverkusen | Verfahren zur Abtrennung von aromatischen* Kohlenwasserstoffen aus Gemischen mit anderen organischen Verbindungen mit Hilfe von Kunststoffmembranen |
US4447315A (en) * | 1983-04-22 | 1984-05-08 | Uop Inc. | Hydrocracking process |
SU1162853A1 (ru) * | 1983-11-21 | 1985-06-23 | Институт химии нефти СО АН СССР | Способ очистки нефти и нефтепродуктов |
US5045206A (en) * | 1990-12-05 | 1991-09-03 | Exxon Research & Engineering Company | Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier |
US5416259A (en) * | 1993-09-21 | 1995-05-16 | Exxon Research & Engineering Co. | Feed pretreatment for pervaporation process |
US8246814B2 (en) * | 2006-10-20 | 2012-08-21 | Saudi Arabian Oil Company | Process for upgrading hydrocarbon feedstocks using solid adsorbent and membrane separation of treated product stream |
NO325550B1 (no) * | 2006-10-31 | 2008-06-16 | Due Miljo As | Fremgangsmate for rensing av oljer og anvendelse av slike i mat og fôr |
US8852424B1 (en) * | 2011-09-16 | 2014-10-07 | Flow Polymers, Llc | Sequestering polycyclic aromatic hydrocarbons in asphalt |
CN102363122B (zh) * | 2011-09-19 | 2013-09-25 | 奇迪电器集团有限公司 | 去除水中多环芳烃萘的过滤介质及其制备方法以及滤芯和净水装置 |
CN202924793U (zh) * | 2012-07-17 | 2013-05-08 | 安徽成方新材料科技有限公司 | 废水净化器 |
CN104014306B (zh) * | 2014-05-30 | 2016-09-07 | 石河子大学 | 一种煤基活性炭脱除废水中多环芳烃菲的方法 |
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EP3423547A1 (en) | 2019-01-09 |
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JP2019512032A (ja) | 2019-05-09 |
EP3423547A4 (en) | 2019-09-04 |
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US20210189262A1 (en) | 2021-06-24 |
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