A direct method for calculating ternary vapor compositions from total-pressure measurements

1974 ◽  
Vol 52 (1) ◽  
pp. 88-91 ◽  
Author(s):  
Jiri Polak ◽  
Benjamin C. -Y. Lu
Keyword(s):  
Total Pressure ◽  
Direct Method ◽  
Pressure Measurements ◽  
A Direct Method

scholarly journals Plastic waste to fuels by hydrocracking at mild conditions

2021 ◽  
Vol 7 (17) ◽  
pp. eabf8283
Author(s):  
Sibao Liu ◽  
Pavel A. Kots ◽  
Brandon C. Vance ◽  
Andrew Danielson ◽  
Dionisios G. Vlachos
Keyword(s):  
Direct Method ◽  
Acid Sites ◽  
Liquid Fuels ◽  
High Yield ◽  
Tandem Catalysis ◽  
Hy Zeolite ◽  
Environmental Threat ◽  
Single Use ◽  
Initial Activation ◽  
A Direct Method

Single-use plastics impose an enormous environmental threat, but their recycling, especially of polyolefins, has been proven challenging. We report a direct method to selectively convert polyolefins to branched, liquid fuels including diesel, jet, and gasoline-range hydrocarbons, with high yield up to 85% over Pt/WO3/ZrO2 and HY zeolite in hydrogen at temperatures as low as 225°C. The process proceeds via tandem catalysis with initial activation of the polymer primarily over Pt, with subsequent cracking over the acid sites of WO3/ZrO2 and HY zeolite, isomerization over WO3/ZrO2 sites, and hydrogenation of olefin intermediates over Pt. The process can be tuned to convert different common plastic wastes, including low- and high-density polyethylene, polypropylene, polystyrene, everyday polyethylene bottles and bags, and composite plastics to desirable fuels and light lubricants.

Total Pressure Measurements for Chloroform + Acetone + Toluene at 303.15 K

1994 ◽  
Vol 39 (3) ◽  
pp. 488-492 ◽  
Author(s):  
Jay A. Hopkins ◽  
Venkat R. Bhethanabotla ◽  
Scott W. Campbell
Keyword(s):  
Total Pressure ◽  
Pressure Measurements
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