Fixed-bed column and batch reactors performance in removal of diazinon pesticide from aqueous solutions by using walnut shell-modified activated carbon

2018 ◽  
Vol 12 ◽  
pp. 148-159 ◽  
Author(s):  
Mohammad Bayat ◽  
Abolghasem Alighardashi ◽  
Azam Sadeghasadi
Keyword(s):  
Activated Carbon ◽  
Aqueous Solutions ◽  
Fixed Bed ◽  
Walnut Shell ◽  
Batch Reactors ◽  
Fixed Bed Column ◽  
Modified Activated Carbon

scholarly journals Investigating the performance of agricultural wastes and their ashes in removing phenol from leachate in a fixed-bed column

2020 ◽  
Vol 81 (10) ◽  
pp. 2109-2126 ◽  
Author(s):  
Seyed Omid Ahmadinejad ◽  
Seyed Taghi Omid Naeeni ◽  
Zahra Akbari ◽  
Sara Nazif
Keyword(s):  
Activated Carbon ◽  
Large Scale ◽  
Fixed Bed ◽  
Walnut Shell ◽  
Continuous Systems ◽  
Phenol Removal ◽  
Adsorption Method ◽  
Fixed Bed Column ◽  
Saturation Time ◽  
Coconut Shell Activated Carbon

Abstract One of the major pollutants in leachate is phenol. Due to safety and environmental problems, removal of phenol from leachate is essential. Most of the adsorption studies have been conducted in batch systems. Practically, large-scale adsorption is carried out in continuous systems. In this research, the adsorption method has been used for phenol removal from leachate by using walnut shell activated carbon (WSA) and coconut shell activated carbon (CSA) as adsorbents in a fixed-bed column. The effect of adsorbent bed depth, influent phenol concentration and type of adsorbent on adsorption was explored. By increasing the depth of the adsorbent bed in the column, phenol removal efficiency and saturation time increase significantly. Also, by increasing the influent concentration, saturation time of the column decreases. To predict the column performance and describe the breakthrough curve, three kinetic models of Yon-Nelson, Adams-Bohart and Thomas were applied. The results of the experiments indicate that there is a good match between the results of the experiment and the predicted results of the models.

scholarly journals Removal of atrazine from aqueous solutions onto a magnetite/chitosan/activated carbon composite in a fixed-bed column system: optimization using response surface methodology

RSC Advances ◽  
2020 ◽  
Vol 10 (68) ◽  
pp. 41588-41599
Author(s):  
Ignace Agani ◽  
Jacques K. Fatombi ◽  
Sèmiyou A. Osseni ◽  
Esta A. Idohou ◽  
David Neumeyer ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Activated Carbon ◽  
Aqueous Solutions ◽  
Response Surface ◽  
Fixed Bed ◽  
System Optimization ◽  
Carbon Composite ◽  
Fixed Bed Column ◽  
Column System ◽  
Efficient Adsorbent

In this study, a magnetite/chitosan/activated carbon (MCHAC) composite is proposed as an efficient adsorbent for the removal of atrazine from aqueous solutions.

Aqueous phase adsorption of cephalexin by walnut shell-based activated carbon: A fixed-bed column study

2016 ◽  
Vol 375 ◽  
pp. 144-153 ◽  
Author(s):  
Ghadir Nazari ◽  
Hossein Abolghasemi ◽  
Mohamad Esmaieli ◽  
Ehsan Sadeghi Pouya
Keyword(s):  
Activated Carbon ◽  
Aqueous Phase ◽  
Fixed Bed ◽  
Walnut Shell ◽  
Fixed Bed Column ◽  
Column Study

scholarly journals Pb(II) removal from wastewater by modified activated carbon in batch and fixed-bed column studies: synthetic and real wastewater application

2019 ◽  
Vol 140 ◽  
pp. 290-301
Author(s):  
Aloysius Akaangee Pam ◽  
Abdul Halim Abdullah ◽  
Yen Ping Tan ◽  
Zulkarnain Zainal
Keyword(s):  
Activated Carbon ◽  
Fixed Bed ◽  
Column Studies ◽  
Fixed Bed Column ◽  
Modified Activated Carbon ◽  
Real Wastewater

scholarly journals Iron-modified activated carbon derived from agro-waste for enhanced dye removal from aqueous solutions

Heliyon ◽  
2021 ◽  
pp. e07191
Author(s):  
Fateme Barjasteh-Askari ◽  
Mojtaba Davoudi ◽  
Maryam Dolatabadi ◽  
Saeid Ahmadzadeh
Keyword(s):  
Activated Carbon ◽  
Aqueous Solutions ◽  
Dye Removal ◽  
Modified Activated Carbon

Microwave induced activated carbon for the removal of metal ions in fixed-bed column study: modelling and mechanisms

2021 ◽  
Vol 221 ◽  
pp. 139-151
Author(s):  
Omar S.A. Al-Khazrajy ◽  
Salam A. Mohammed ◽  
Omaimah Al-Musallami ◽  
Zahour Al-Rawahi ◽  
Emad Yousif
Keyword(s):  
Activated Carbon ◽  
Metal Ions ◽  
Fixed Bed ◽  
Fixed Bed Column ◽  
Column Study ◽  
Removal Of Metal ◽  
Removal Of Metal Ions
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