3 research outputs found
ΠΠΈΠ΄ΡΠΎΡΠΎΠ±ΠΈΠ·Π°ΡΠΈΡ ΠΏΡΡΡ-ΠΏΠΎΠ²Π΅ΡΡ Π½ΠΎΡΡΠ΅ΠΉ Π΄Π»Ρ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠΌΡΠ»ΡΡΠΈΠΉ ΡΠΈΠΏΠ° Β«Π²ΠΎΠ΄Π° Π² ΠΌΠ°ΡΠ»Π΅Β»
The technique of poly(ethylene terephthalate) track-etched membranes (PETF TMs) modification to increase of water-in-oil emulsions separations is developed. The water-in-oil emulsions separations by using PETF TMs with regular pore geometry and pore sizes 200 and 350 nm is described in the article. PETF TMs were modified with octadecyltrichlorosilane by spin-coating method to increase their hydrophobic properties. The results of changes in the pore diameters and the contact angle after PETF TMs modification are presented. The obtained samples were characterized by AFM, SEM and gas permeability test. Chloroformβwater and n-hexadecaneβwater emulsions have been used as a test liquid for water-in-oil emulsions separations. At an operating vacuum of 700 mbar, the specific filtration performance of chloroform: water emulsions were 51.5 and 932.0 l/(m2 β
h), hexadecane: water were 46.1 and 203.4 l/(m2 β
h) for PETF-200 / OTS and PETF-350 / OTS, respectively. The degree of purification of emulsions by modified membranes according to the refractive index is of 100 %. Obtained membranes can be used to separate oil-water emulsions in order to prevent the corrosion of pipelines and changes of crude oil viscosity, as well as the treatment of water purification from oil industry waste.Π Π°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π° ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΡ ΠΏΠΎΠ»ΠΈ(ΡΡΠΈΠ»Π΅Π½ΡΠ΅ΡΠ΅ΡΡΠ°Π»Π°ΡΠ½ΡΡ
) ΡΡΠ΅ΠΊΠΎΠ²ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ (ΠΠΠ’Π€ Π’Π) Π΄Π»Ρ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΡ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ Π²ΠΎΠ΄ΠΎΠΌΠ°ΡΠ»ΡΠ½ΡΡ
ΡΠΌΡΠ»ΡΡΠΈΠΉ. ΠΠΏΠΈΡΠ°Π½ΠΎ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΡΠΌΡΠ»ΡΡΠΈΠΉ ΡΠΈΠΏΠ° Β«Π²ΠΎΠ΄Π° Π² ΠΌΠ°ΡΠ»Π΅Β» Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΠΠ’Π€ Π’Π Ρ ΠΏΡΠ°Π²ΠΈΠ»ΡΠ½ΠΎΠΉ Π³Π΅ΠΎΠΌΠ΅ΡΡΠΈΠ΅ΠΉ ΠΏΠΎΡ ΠΈ ΡΠ°Π·ΠΌΠ΅ΡΠΎΠΌ ΠΏΠΎΡ 200 ΠΈ 350 Π½ΠΌ. ΠΠ΅ΠΌΠ±ΡΠ°Π½Ρ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Ρ ΠΎΠΊΡΠ°Π΄Π΅ΡΠΈΠ»ΡΡΠΈΡ
Π»ΠΎΡΡΠΈΠ»Π°Π½ΠΎΠΌ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΡΠΏΠΈΠ½-ΠΊΠΎΠ°ΡΠΈΠ½Π³Π° Π΄Π»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΠΈΡ
Π³ΠΈΠ΄ΡΠΎΡΠΎΠ±Π½ΡΡ
ΡΠ²ΠΎΠΉΡΡΠ². ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ Π΄ΠΈΠ°ΠΌΠ΅ΡΡΠΎΠ² ΠΏΠΎΡ ΠΈ ΡΠ³Π»Π° ΡΠΌΠ°ΡΠΈΠ²Π°Π½ΠΈΡ ΠΏΠΎΡΠ»Π΅ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΠΠ’Π€ Π’Π. Π‘ΡΡΡΠΊΡΡΡΠ° ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² ΠΈΠ·ΡΡΠ΅Π½Π° ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ Π°ΡΠΎΠΌΠ½ΠΎΡΠΈΠ»ΠΎΠ²ΠΎΠΉ ΠΈ ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ΅ΠΉ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠΉ ΠΌΠΈΠΊΡΠΎΡΠΊΠΎΠΏΠΈΠΈ. ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ Π³Π°Π·ΠΎΠΏΡΠΎΠ½ΠΈΡΠ°Π΅ΠΌΠΎΡΡΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ ΡΠ°Π·ΠΌΠ΅Ρ ΠΏΠΎΡ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½. ΠΠΌΡΠ»ΡΡΠΈΠΈ Ρ
Π»ΠΎΡΠΎΡΠΎΡΠΌβΠ²ΠΎΠ΄Π° ΠΈ Π½-Π³Π΅ΠΊΡΠ°Π΄Π΅ΠΊΠ°Π½βΠ²ΠΎΠ΄Π° ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π»ΠΈ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΠ΅ΡΡΠΎΠ²ΠΎΠΉ ΠΆΠΈΠ΄ΠΊΠΎΡΡΠΈ Π΄Π»Ρ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠΌΡΠ»ΡΡΠΈΠΉ ΡΠΈΠΏΠ° Β«Π²ΠΎΠ΄Π° Π² ΠΌΠ°ΡΠ»Π΅Β». ΠΡΠΈ Π²Π°ΠΊΡΡΠΌΠ΅ 700 ΠΌΠ±Π°Ρ ΡΠ΄Π΅Π»ΡΠ½ΡΠ΅ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΠΈ ΡΠΈΠ»ΡΡΡΠ°ΡΠΈΠΈ ΡΠΌΡΠ»ΡΡΠΈΠΉ Ρ
Π»ΠΎΡΠΎΡΠΎΡΠΌ : Π²ΠΎΠ΄Π° ΡΠΎΡΡΠ°Π²Π»ΡΠ»ΠΈ 51,5 ΠΈ 932,0 Π»/(ΠΌ2β
Ρ), Π³Π΅ΠΊΡΠ°Π΄Π΅ΠΊΠ°Π½ : Π²ΠΎΠ΄Π° β 46,1 ΠΈ 203,4 Π»/(ΠΌ2β
Ρ) Π΄Π»Ρ ΠΠΠ’Π€-200/ΠΠ’Π‘ ΠΈ ΠΠΠ’Π€-350/ΠΠ’Π‘ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²Π΅Π½Π½ΠΎ. Π‘ΡΠ΅ΠΏΠ΅Π½Ρ ΠΎΡΠΈΡΡΠΊΠΈ ΡΠΌΡΠ»ΡΡΠΈΠΉ ΠΌΠΎΠ΄ΠΈΡΠΈΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌΠΈ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Π°ΠΌΠΈ ΠΏΠΎ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Ρ ΠΏΡΠ΅Π»ΠΎΠΌΠ»Π΅Π½ΠΈΡ ΡΠΎΡΡΠ°Π²ΠΈΠ»Π° 100 %. ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΡΡΠ΅ΠΊΠΎΠ²ΡΠ΅ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Ρ ΠΌΠΎΠ³ΡΡ ΠΏΡΠΈΠΌΠ΅Π½ΡΡΡΡΡ Π΄Π»Ρ ΡΠ°Π·Π΄Π΅Π»Π΅Π½ΠΈΡ Π²ΠΎΠ΄ΠΎΠ½Π΅ΡΡΡΠ½ΡΡ
ΡΠΌΡΠ»ΡΡΠΈΠΉ Ρ ΡΠ΅Π»ΡΡ ΠΏΡΠ΅Π΄ΠΎΡΠ²ΡΠ°ΡΠ΅Π½ΠΈΡ ΠΊΠΎΡΡΠΎΠ·ΠΈΠΈ ΡΡΡΠ±ΠΎΠΏΡΠΎΠ²ΠΎΠ΄ΠΎΠ² ΠΈ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ Π²ΡΠ·ΠΊΠΎΡΡΠΈ Π½Π΅ΡΡΠΈ, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΏΡΠΈ ΠΎΡΠΈΡΡΠΊΠ΅ Π²ΠΎΠ΄Ρ ΠΎΡ ΠΎΡΡ
ΠΎΠ΄ΠΎΠ² Π½Π΅ΡΡΡΠ½ΠΎΠΉ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΡΡΠΈ