column operation
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scholarly journals Corrigendum to "A comparative evaluation of design factors on bubble column operation in photosynthetic biogas upgrading" [Biofuel Res J 8(2) (2021) 1351-1373]

2021 ◽  
Vol 8 (4) ◽  
pp. 1550-1550
Author(s):  
Archishman Bose ◽  
Richard O’Shea ◽  
Richen Lin ◽  
Jerry D. Murphy
Keyword(s):  
Comparative Evaluation ◽  
Bubble Column ◽  
Biogas Upgrading ◽  
Column Operation ◽  
Design Factors

scholarly journals OPERATION OF OIL VACUUM DISTRIBUTION UNITS OF PRIMARY OIL REFINING UNITS ON A SINGLE COLUMN OPTION

2021 ◽  
Vol 1 (1) ◽  
pp. 80-81
Author(s):  
Margarita Tomchak ◽  
Tat'yana Raskulova
Keyword(s):  
Fuel Oil ◽  
Oil Refining ◽  
Column Operation ◽  
Advantages And Disadvantages ◽  
Single Column

Advantages and disadvantages of one and two-column operation schemes of vacu um distillation units of fuel oil of primary oil refining units are considered

scholarly journals Surface Modification of Attapulgite by Grafting Cationic Polymers for Treating Dye Wastewaters

Materials ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 792
Author(s):  
Huan Guo ◽  
Kai Xia ◽  
Mingzhao Cao ◽  
Xiaodong Zhang
Keyword(s):  
Dye Adsorption ◽  
Nitrogen Adsorption ◽  
Particle Size Analysis ◽  
Sem Analysis ◽  
Size Analysis ◽  
Reactive Black 5 ◽  
Anionic Dyes ◽  
Column Operation ◽  
Adsorption Capacities ◽  
Modified Attapulgite

In this study, the cationic polymer poly-epichlorohydrin-dimethylamine was immobilized on natural attapulgite to improve the dye adsorption capacities. Fourier transform infrared spectroscopy (FTIR), X-ray diffraction, nitrogen adsorption-desorption isotherms, scanning electron microscope (SEM) analysis, zeta potential analysis, and particle size analysis were used to determine the characteristics of modified attapulgite. Results showed that the poly-epichlorohydrin-dimethylamine had been successfully grafted onto the surface of attapulgite without altering its crystal structure. After cationic modification, the specific surface area of attapulgite obviously decreased, and its surface zeta potentials possessed positive values in the pH range from 3 to 11. The cation-modified attapulgite displayed high adsorption capacities for anionic dyes, and its maximum adsorption capacities were 237.4 mg/g for Reactive Black 5 and 228.3 mg/g for Reactive Red 239; this is corroborated by Langmuir’s isotherm studies. It was demonstrated that the two reactive dyes could be 100% removed from effluents when cation-modified attapulgite was used in column operation modes. Its treatment capacities were more than three times larger than that of activated carbon. The regeneration study verified better utilization and stability of the fabricated adsorbent in column operation. This work has conclusively confirmed the potential of the new modified attapulgite for effectively treating dye wastewaters.

Process modelling and optimization of a novel Semifluidized bed adsorption column operation for aqueous phase divalent heavy metal ions removal

2020 ◽  
Vol 37 ◽  
pp. 101406 ◽  
Author(s):  
Subrata Biswas ◽  
Shubham Sharma ◽  
Subhrajit Mukherjee ◽  
Bhim Charan Meikap ◽  
Tushar Kanti Sen
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Aqueous Phase ◽  
Heavy Metal Ions ◽  
Process Modelling ◽  
Adsorption Column ◽  
Column Operation ◽  
Heavy Metal Ions Removal ◽  
Modelling And Optimization ◽  
Metal Ions Removal

Aqueous phase phenol removal from synthetic and real steel plant effluents through a batch and Semifluidized bed column operation: Experimental and model analysis

2020 ◽  
Vol 8 (5) ◽  
pp. 104441
Author(s):  
Subrata Biswas ◽  
Ramteke Kanchan Diwakar ◽  
Ipsita Dipamitra Behera ◽  
Bhim Charan Meikap ◽  
Tushar Kanti Sen ◽  
...  
Keyword(s):  
Aqueous Phase ◽  
Model Analysis ◽  
Steel Plant ◽  
Phenol Removal ◽  
Column Operation

scholarly journals EVALUATION OF OPTIONS OF OPERATION OF VACUUM DISTILLATION SECTION OF DOWNSTREAM REFINERY

2020 ◽  
Vol 2020 (1) ◽  
pp. 67-68
Author(s):  
Margarita Tomchak
Keyword(s):  
Vacuum Distillation ◽  
Column Operation ◽  
Advantages And Disadvantages

The advantages and disadvantages of one and two-column operation scheme of vacuum distillation section of downstream refinery are considered.

Adsorptive removal of azo dye in a continuous column operation using biosorbent based on NaOH and surfactant activation of Prunus dulcis leaves

2019 ◽  
Vol 141 ◽  
pp. 331-341 ◽  
Author(s):  
Suyog N. Jain ◽  
Parag R. Gogate
Keyword(s):  
Azo Dye ◽  
Prunus Dulcis ◽  
Adsorptive Removal ◽  
Column Operation

Demonstration of Seawater Strontium (Sr(II)) Extraction and Enrichment by a Biosorption Technique through Continuous Column Operation

2018 ◽  
Vol 57 (38) ◽  
pp. 12909-12915 ◽  
Author(s):  
Hye-Jin Hong ◽  
In-Su Park ◽  
Taegong Ryu ◽  
Hyeon Su Jeong ◽  
Jungho Ryu
Keyword(s):  
Column Operation

Investigation of fixed bed adsorption column operation parameters using a chitosan material for treatment of arsenate contaminated water

2018 ◽  
Vol 6 (1) ◽  
pp. 505-511 ◽  
Author(s):  
Roxanne Brion-Roby ◽  
Jonathan Gagnon ◽  
Jean-Sébastien Deschênes ◽  
Bruno Chabot
Keyword(s):  
Fixed Bed ◽  
Contaminated Water ◽  
Adsorption Column ◽  
Column Operation ◽  
Fixed Bed Adsorption ◽  
Operation Parameters

Optimized area and speed architectures for the mix column operation of the advanced encryption standard

2017 ◽  
Author(s):  
Sudhir Rao Rupanagudi ◽  
Varsha G. Bhat ◽  
Abhiram Srisai ◽  
M. Harshavardhan ◽  
S. Namitha ◽  
...  
Keyword(s):  
Advanced Encryption Standard ◽  
Column Operation
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