## Abstract Experimental data are presented to show the points of incipient hydrate formation in the methaneβpropyleneβwater system. The addition of 1.4% propylene to methane lowered the equilibrium pressure 400 lb./sq. in. at 50Β°F. The locus of the fourβphase equilibrium consisting of hydrate, vap
Hydrates in systems containing methane, ethylene, propylene, and water
β Scribed by L. Eric Snell; Frederick D. Otto; Donald B. Robinson
- Publisher
- American Institute of Chemical Engineers
- Year
- 1961
- Tongue
- English
- Weight
- 396 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0001-1541
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π SIMILAR VOLUMES
Phase behavior of aqueous systems containing block copolymers of poly(ethylene oxide (PEO) and poly(propylene oxide) (PPO) was evaluated by building up temperature-concentration phase diagrams. We have studied bifunctional triblock copolymers (HO-PEO-PPO-PEO-OH) and monofunctional diblock copolymers
Suzuki reaction under phase transfer conditions: 15 mmol phenylboronic acid, 13 mmol p-iodoanisole, 0.01 mmol PdCl 2 [Ph 2 P(CH 2 ) 4 SO 3 K] 2 , 45 mmol Na 2 CO 3 in toluene/ethanol/water = 15 : 15 : 15 ml with 400 mg of different block copolymers; at 78 8C