Gas adsorption process in activated carbon over a wide temperature range above the critical point. Part 2: conservation of mass and energy

Adsorption ◽  
2009 ◽  
Vol 15 (1) ◽  
pp. 53-63 ◽  
Author(s):  
M.-A. Richard ◽  
P. Bénard ◽  
R. Chahine
Keyword(s):  
Activated Carbon ◽  
Critical Point ◽  
Wide Temperature Range ◽  
Adsorption Process ◽  
Gas Adsorption ◽  
Conservation Of Mass ◽  
Temperature Range

Wide-temperature range operation supercapacitors from nanostructured activated carbon fabric

2009 ◽  
Vol 193 (2) ◽  
pp. 944-949 ◽  
Author(s):  
Kaihsuan Hung ◽  
Charan Masarapu ◽  
Tsehao Ko ◽  
Bingqing Wei
Keyword(s):  
Activated Carbon ◽  
Wide Temperature Range ◽  
Carbon Fabric ◽  
Temperature Range

scholarly journals Study on Chlorinated Gas Adsorption Using Activated Carbon via Polyvinyl Chloride (PVC) Stepwise Pyrolysis Process

Proceedings ◽  
2018 ◽  
Vol 2 (20) ◽  
pp. 1314
Author(s):  
Patiparn Boonruam ◽  
Piyachat Wattanachai ◽  
Settakorn Upasen
Keyword(s):  
Activated Carbon ◽  
Polyvinyl Chloride ◽  
Adsorption Process ◽  
Gas Adsorption ◽  
Chloride Ion ◽  
Pyrolysis Process ◽  
Acid Base ◽  
Surface Areas ◽  
Acid Base Titration ◽  
Specific Surface Areas

In this research, we studied the chlorinated gas adsorption process using activated carbon. Two types of granular activated carbon were employed: GAC800 and GAC1200; with specific surface areas of 800 m2/g and 1200 m2/g, respectively. In order to optimize the polyvinyl chloride (PVC) dehydrochlorination conditions, three parameters were studied: (i) the type of precursor—PVC and PVC mixed with charcoal (1:1 by weight)—(ii) the temperature—300 and 400 °C—and (iii) the retention time—30, 120, and 240 min. Mohr’s method and acid-base titration were used to estimate the captured amount of chlorinated gas. The results indicated that the PVC dehydrochlorination occurred completely about 69–73 wt.% at 400 °C for 240 min. The amount of chloride ion was detected around 1–2 mmol/LNaOH. The estimated HCl adsorption capacity for the GAC800 and GAC1200 samples potentially absorbed 0.27 mgHCl/gGAC and 0.21 mgHCl/gGAC, respectively. In addition, the efficiency for GAC800 and GAC1200 was reported to 37.95% and 28.92%, respectively.

scholarly journals Flocculation behaviour of bioflocculant produced from chicken viscera

2019 ◽  
Vol 90 ◽  
pp. 01013 ◽  
Author(s):  
Jibrin Mohammed Ndejiko ◽  
Wan Rosmiza Zana Wan Dagang
Keyword(s):  
Activated Carbon ◽  
Aspergillus Flavus ◽  
Wide Temperature Range ◽  
Suspended Particles ◽  
Main Mechanism ◽  
Kaolin Clay ◽  
Clay Suspension ◽  
Temperature Range ◽  
Neutral Ph ◽  
Chicken Viscera

The flocculation performance of bioflocculant produced by Aspergillus flavus S44-1 grown on chicken viscera hydrolysate was investigated. The investigations were carried out using jar testing and kaolin clay suspension as model wastewater. The bioflocculant yielded a minimum of 83.1% efficiency in flocculating 2-12 g L-1 kaolin clay suspension over a wide temperature range (4-80 °C) and functioned maximally at neutral pH. The bioflocculant significantly flocculated different suspended particles such as activated carbon (92%), soil solid (94.8%), and algae (69.4%) at varying concentrations. Bridging mediated by cation is suggested as the main mechanism of flocculation by the present bioflocculant.

Fibre-optic temperature sensor with wide temperature range characteristics

1987 ◽  
Vol 134 (5) ◽  
pp. 291 ◽  
Author(s):  
K.T.V. Grattan ◽  
J.D. Manwell ◽  
S.M.L. Sim ◽  
C.A. Willson
Keyword(s):  
Wide Temperature Range ◽  
Temperature Sensor ◽  
Fibre Optic ◽  
Temperature Range

Enabling highly reversible sodium metal cycling across a wide temperature range with dual-salt electrolytes

2021 ◽  
Author(s):  
Akila C. Thenuwara ◽  
Pralav P. Shetty ◽  
Neha Kondekar ◽  
Chuanlong Wang ◽  
Weiyang Li ◽  
...  
Keyword(s):  
Wide Temperature Range ◽  
High Energy ◽  
Liquid Electrolyte ◽  
Metal Cycling ◽  
Temperature Range ◽  
Sodium Metal ◽  
Wide Range

A new dual-salt liquid electrolyte is developed that enables the reversible operation of high-energy sodium-metal-based batteries over a wide range of temperatures down to −50 °C.

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