Supercritical fluid immobilization of horseradish peroxidase on high surface area mesoporous activated carbon

2016 ◽  
Vol 107 ◽  
pp. 513-518 ◽  
Author(s):  
Akshay Jain ◽  
Veronica Ong ◽  
Sundaramurthy Jayaraman ◽  
Rajasekhar Balasubramanian ◽  
M.P. Srinivasan
Keyword(s):  
Activated Carbon ◽  
Horseradish Peroxidase ◽  
Surface Area ◽  
Supercritical Fluid ◽  
High Surface ◽  
High Surface Area ◽  
Mesoporous Activated Carbon

scholarly journals High Surface Area Mesoporous Activated Carbon from Hemp Bast Fibre Using Hydrothermal Processing

2018 ◽  
Author(s):  
Md Zakir Hossain ◽  
Wei Wu ◽  
William Z. Xu ◽  
Muhammad B.I. Chowdhury ◽  
Anil Kumar Jhawar ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
Hot Water ◽  
Waste Biomass ◽  
Hydrothermal Processing ◽  
Bast Fibre ◽  
Hemp Fiber ◽  
Mesoporous Activated Carbon

Synthesis of activated carbon from waste biomass is of current interest towards sustainability. The properties of biomass derived activated carbon largely depends on the carbonization process. This study reports preparing extremel high surface area mesoporous activated carbon from hemp bast fibre using hydrothermal processing. Processing in hot water (390-500oC), then activation using KOH and NaOH was investigated at different loading ratios. The described approach was found to enhance the mesoporosity (centered at 3.0 to 4.5 nm) of the hemp derived activated carbon (HAC) from activation (confirmed by BJH pore size distribution and TEM imaging). BET results showed that the product has an extremely high surface area (2425 m2/g) while the surface functional groups (-OH, COOH, C=C/C-C) were confirmed and quantified by XPS and FTIR results. Increasing KOH concentration was found to enhance the surface area with an optimum biochar to KOH ratio of 1:3. The crystallite domain size of HAC was determined using Raman spectroscopy of different wavelengths. The procedure described in this study is an environmentally friendly scalable route for the mass production of activated carbon using hemp fiber.

scholarly journals High-Surface-Area Mesoporous Activated Carbon from Hemp Bast Fiber Using Hydrothermal Processing

2018 ◽  
Vol 4 (3) ◽  
pp. 38 ◽  
Author(s):  
Md Hossain ◽  
Wei Wu ◽  
William Xu ◽  
Muhammad Chowdhury ◽  
Anil Jhawar ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Surface Area ◽  
High Surface ◽  
High Surface Area ◽  
Hydrothermal Processing ◽  
Bast Fiber ◽  
Mesoporous Activated Carbon

Evaluation of Cationic Methylene Blue Dye Removal by High Surface Area Mesoporous Activated Carbon Derived from Ulva lactuca

2021 ◽  
Vol 8 (1) ◽  
pp. 311-332
Author(s):  
Ahmed El Nemr ◽  
Amany G. M. Shoaib ◽  
Amany El Sikaily ◽  
Alaa El-Deen A. Mohamed ◽  
Asaad F. Hassan
Keyword(s):  
Methylene Blue ◽  
Activated Carbon ◽  
Surface Area ◽  
Dye Removal ◽  
High Surface ◽  
High Surface Area ◽  
Ulva Lactuca ◽  
Blue Dye ◽  
Methylene Blue Dye ◽  
Mesoporous Activated Carbon
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