PL164B1 - A method of separating water or aqueous solutions from rock oil emulsions from oil emulsions. - Google Patents
A method of separating water or aqueous solutions from rock oil emulsions from oil emulsions. Download PDFInfo
- Publication number
- PL164B1 PL164B1 PL164A PL16419A PL164B1 PL 164 B1 PL164 B1 PL 164B1 PL 164 A PL164 A PL 164A PL 16419 A PL16419 A PL 16419A PL 164 B1 PL164 B1 PL 164B1
- Authority
- PL
- Poland
- Prior art keywords
- oil emulsions
- aqueous solutions
- separating water
- rock
- emulsions
- Prior art date
Links
- 239000000839 emulsion Substances 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 5
- 239000011435 rock Substances 0.000 title claims description 4
- 239000007864 aqueous solution Substances 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 description 7
- 239000003921 oil Substances 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Description
Innych Trudnosci wydzielenia wody z emul¬ sji oleju skalnego lub innych emulsyj olejowych usilowano dotychczas usuwac przez ogrzewanie. Jednak w wiekszosci wypadków, nawet przy bardzo dlugim czasie odstawania, wydzielenie fazy wod¬ nej zachodzilo tylko w sposób nie¬ zupelny.Przedmiot niniejszego wynalazku opie¬ ra sie na tern, ze zmniejszenie lepkosci cieczy, potrzebne do szybkiego i zupel¬ nego wydzielenia fazy wodnej, da sie osiagnac dopiero w temperaturze wyz¬ szej, która jednak mozna uzyskac tylko pod cisnieniem wiekszem od atmosfe¬ rycznego.Aby wywolac ten stan zmniejszonej lepkosci, ogrzewa sie zatem emulsje w naczyniach zamknietych do tempera¬ tur przenoszacych 100° C i pod cisnie¬ niem conajmniej 1 atmosfery ponad cis¬ nienia atmosferyczne, utrzymuje sie ja w tych warunkach przez pewien czas, a nastepnie oziebia conajmniej ponizej temperatury odpowiadajacej punktowi wrzenia pod cisnieniem atmosferycznem, poczem mozna odbierac kolejno wydzie¬ lone fazy, wadna i olejowa.Oddzielanie wody moze odbywac sie przez podgrzewanie w kotlach, albo •przez wprowadzenie pary wodnej pod cisnieniem do naczynia, w którem zacho¬ dzi reakcja rozdzielania. Czas potrzeb¬ ny do rozdzielania zalezy od skladu emulsji i od wielkosci zawieszonych w niej czastek wody. Proces oddziela¬ nia mozna skrócic przez mieszanie emulsji w stanie zmniejszonej lepkosci,poczem zawartosc zbiornika pozostawia sie w spokoju do oddzielenia.Przyklad.Emulsje ropy naftowej swiezo z szy¬ bu dobyta ogrzewa sie bez mieszania do temperatury odpowiadajacej cisnieniu 8 atmosfer. Po 4 godzinach ogrzewania nastepuje rozdzielenie emulsji na 56% roztworu soli i 44% ropy (oleju skalne¬ go). Takze ogrzewanie do temperatury odpowiadajacej cisnieniu 5 do 6 atmo¬ sfer daje ten sam rezultat, jednakze od¬ dzielanie przy równoczesnem mieszaniu wymaga wówczas okolo 10 godzin czasu. PLOther difficulties in separating water from rock oil emulsions or other oil emulsions have heretofore been attempted to be removed by heating. In most cases, however, even with a very long standing time, the separation of the aqueous phase is only incomplete. The object of the present invention is based on the fact that the reduction of the viscosity of the liquid required for rapid and complete separation of the aqueous phase can only be achieved at a temperature higher, which, however, can only be obtained under a pressure greater than the atmospheric pressure. In order to produce this state of reduced viscosity, the emulsions in closed vessels are therefore heated to temperatures transferring 100 ° C and under pressure. at least 1 atmosphere above atmospheric pressure, it is kept under these conditions for a certain time and then cooled to at least below the boiling point under atmospheric pressure, whereupon the separated phases, defective and oily, can be collected sequentially. Water separation can take place by heating in kettles, or by introducing steam under pressure into a vessel in which today the separation reaction. The time needed for separation depends on the composition of the emulsion and the size of the water particles suspended therein. The separation process can be shortened by agitating the emulsion in a reduced-viscous state, whereupon the contents of the tank are allowed to separate. Example: Fresh crude oil emulsions from the glass are heated to a temperature of 8 atmospheres without stirring. After 4 hours of heating, the emulsion is split into 56% saline and 44% crude oil (rock oil). Also, heating to a temperature corresponding to a pressure of 5 to 6 atm. Of the spheres gives the same result, but separation with stirring then takes about 10 hours. PL
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL164B1 true PL164B1 (en) | 1924-06-28 |
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