Download Chemistry of Oil Recovery by Robert T. Johansen and Robert L. Berg (Eds.) PDF

By Robert T. Johansen and Robert L. Berg (Eds.)

content material: Cation alternate, surfactant precipitation, and adsorption in micellar flooding / Robert D. Walker, Jr., W.E. Ray, M.K. Tham, and M.C. Lee --
The effect of surfactant constitution on low interfacial tensions / Peter H. Doe, Mahmoud M. El-Emary, William H. Wade, and Robert S. Schechter --
part habit of a natural alkyl aryl sulfonate surfactant / E.I. Franses, H.T. Davis, W.G. Miller, and L.E. Scriven --
Colloidal houses of sodium carboxylates / W.H. Baldwin and G.W. Neal --
Experimental thermochemistry of oil restoration micellar platforms / R.L. Berg, L.A. Noll, and W.D. solid --
Participation of selective local petroleum fractions in decreasing interfacial tensions of aqueous alkaline structures / P.A. Farmanian, N. Davis, J.T. Kwan, R.M. Weinbrandt, and T.F. Yen --
Spontaneous emulsification and the impression of interfacial fluid houses on coalescence and emulsion balance in caustic flooding / D.T. Wasan, S.M. Shah, M. Chan, okay. Sampath, and R. Shah --
comparability of resolution houses of mobility regulate polymers / Esref Unsal, John Larry Duda, and Elmer Klaus.

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Example text

C o n c e n t r a t i o n s found s h o u l d n e v e r b e more t h a n 1 0 % a b o v e t h e t r u e v a l u e . M e a s u r e m e n t s were r e c o r d e d o n l y a f t e r total t h i s way absorbance v a l u e s a t s e v e r a l w a v e l e n g t h s w e r e c o n s t a n t f o r a t l e a s t two hours. 02 o r l e s s . ch003 determining s o l u b i l i t i e s (_25) . 22y w e r e u s e d t o s e p a r a t e d i s p e r s e d particles. A l t e r n a t i v e l y o r i n a l t e r n a t i o n a Beckman L3-50 p r e p a r a t i v e u l t r a c e n t r i f u g e w i t h a n SW-1 s w i n g i n g b u c k e t r o t o r was u s e d .

T h i s c o m p o s i t i o n i s e a s i l y d e t e r m i n e d by w e i g h t measurement. I f t h e t e m p e r a t u r e were a t r i p l e p o i n t , i . e . ; ACS Symposium Series; American Chemical Society: Washington, DC, 1979. 3. FRANSES E T A L . Alkyl equilibrium, a Si with and solid saturated surfactant the l e Thus i t h a s s o r p t i o n i s the Sulfonate 37 Surfactant s o l u t i o n and two s u r f a c t a n t - r i c h phases, same c h e m i c a l p o t e n t i a l o f would r e a c h e d , whereas the S Aryl absorb V until d i s p e r s i o n would t o be same as verified that that i n the V, composition then S2 c o n s i s t o f phases the V p h a s e p r o d u c e d by biphasic the is and vapor dispersion.

Table Alkyl Aryl Sulfonate Surfactant 43 I . S p e c i f i c absorbance o f s u r f a c t a n t - w a t e r mixtures at s e v e r a l wavelengths. d. d. 70 . , Γ* ? d. d. d. d. d. 16+8 68+8 14+3 2 3+5 25+10 29+12 1 24+1 34+1 70+10 110+12 38+1 _ 86+1 _ 112+1 _ 217+10 _ 350+12 _ b c 1 0 Α-A + 3 c 9 Α-A le + c (a) a b s o r b a n c e n o t d e t e c t a b l e a t 1 cm p a t h l e n g t h , s e n s i t i v i t y o f spectrophotometer used. (b) s i n c e s c a t t e r i n g was n o t d e t e c t a b l e a t t h e s e c o n c e n t r a t i o n s , A ^ /& was t a k e n a s 16+8 a t 350 nm and 70+10 a t 300 nm a n d 0 a t 436, 500 a n § 700 nm.

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