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Davoud Balarak

Publications (14)

Adsorption Properties of Thermally Treated Rice Husk for Removal of Sulfamethazine Antibiotic from Pharmaceutical Wastewater

Davoud Balarak, Fatemeh Bandani, Zaccheus Shehu & Nehad J. Ahmed · Journal of Pharmaceutical Research International · 2020

Equilibrium sorption of the Thermally Treated Rice Husk (TTRH) for Sulfamethazine (SMT) adsorption was studied. The Physico-chemical properties of the modified rice husk were determined. The equilibrium sorption data were fitted into Langmuir, Freundlich and Dubinin–Radushkevich...

Open access Research Article 10.9734/jpri/2020/v32i830475

Survey Electrocoagulation Process in Removal of Norfloxacin Antibiotic from Aqueous Solutions

Davoud Balarak, Mahdethe Dashtizadeh, Raphael Shadai Oguike & Kethineni Chandrika · Journal of Pharmaceutical Research International · 2020

Pharmaceutical compounds have been recognized as a hazardous class of organic pollutants due to their long term effects towards the aquatic environment. The present work studies the efficiency of electrogalation (EC) process in removal Norfloxacin (NFX) from aqueous solutions by...

Open access Research Article 10.9734/jpri/2020/v32i330413

Assessment of Effective Operational Parameters on Removal of Amoxicillin from Synthetic Wastewater Using Electrocoagulation Process

Davoud Balarak, Kethineni Chandrika & Marzieh Attaolahi · Journal of Pharmaceutical Research International · 2019

In this study, efficiency of electrocoagulation (EC) process with aluminum electrodes for treatment of Amoxicillin (AMO) from synthetic solution has been studied and concluded. This experiment was conducted in a batch system with a volume of 1 L that had been equipped with four a...

Open access Research Article 10.9734/jpri/2019/v29i130227

Error Analysis of Adsorption Isotherm Models for Sulfamethazine onto Multi Walled Carbon Nanotubes

Davoud Balarak & Amir Ali Salari · Journal of Pharmaceutical Research International · 2019

In the present study, Multi walled carbon nanotubes (MWCNTs) was used for the adsorption of Sulfamethazine (SMZ) antibiotics. The adsorbent was characterized by scanning electron microscopy, surface area (BET) and transmission electron microscopy. Batch experiments were carried o...

Open access Research Article 10.9734/jpri/2018/v25i630121

Nonlinear Isotherms and Kinetics and Application Error Functions for Adsorption of Tetracycline on Lemna Minor

Davoud Balarak, Ferdos Kord Mostafapour & Aram Dokht Khatibi · Journal of Pharmaceutical Research International · 2018

In this study, removal of Tetracycline (TC) antibiotics from artificially contaminated water has been investigated with the aim of detoxifying pharmaceutical wastewater before their safe disposal onto land or into river waters. The adsorption of TC occurred by studying the effect...

Open access Research Article 10.9734/JPRI/2018/42583

Ciprofloxacin Antibiotics Removal from Effluent Using Heat-acid Activated Red Mud

Davoud Balarak, Ali Joghataei, Ferdos Kord Mostafapour & Edris Bazrafshan · Journal of Pharmaceutical Research International · 2018

In this study, the adsorption of Ciprofloxacin (CIP) antibiotics from a synthetic solution containing CIP is investigated using Red Mud (RM) and Red Mud that is activated by HCL (ARM). Scanning Electron Microscopy (SEM) techniques are used to morphological characteristics of Red...

Open access Research Article 10.9734/JPRI/2017/38974

Langmuir, Freundlich, Temkin and Dubinin–radushkevich Isotherms Studies of Equilibrium Sorption of Ampicilin unto Montmorillonite Nanoparticles

Davoud Balarak, Ferdos Kord Mostafapour, Hossein Azarpira & Ali Joghataei · Journal of Pharmaceutical Research International · 2017

Present study was accomplished to prospect the viability of using the montmorillonite (Mon) nanoparticles as an adsorbent to remove the Ampicillin under various experimental conditions. The Physico-chemical characteristics of the studied adsorbent were surveyed. Langmuir, Freundl...

Open access Research Article 10.9734/JPRI/2017/38056

Mechanisms and Equilibrium Studies of Sorption of Metronidazole Using Graphene Oxide

Davoud Balarak, Ferdos Kord Mostafapour, Hossein Azarpira & Ali Joghataei · Journal of Pharmaceutical Research International · 2017

In this work, the removals of Metronidazole (MTZ) antibiotics onto Graphene Oxide (GO) adsorbent from aqueous solutions were studied. Batch adsorption studies were carried out at different contact time, MTZ concentrations, and temperatures. Adsorption isotherms have been modeled...

Open access Research Article 10.9734/JPRI/2017/37382

Adsorption of Amoxicillin Antibiotic from Pharmaceutical Wastewater by Activated Carbon Prepared from Azolla filiculoides

Davoud Balarak, Ferdos Kord Mostafapour, Hamideh Akbari & Ali Joghtaei · Journal of Pharmaceutical Research International · 2017

The Batch adsorption experiments were investigated for the adsorption of Amoxicillin (AMO) antibiotic on activated carbon prepared from Azolla filiculoides (ACAF). This study is influenced by different parameters such as ACAF dose, initial AMO dose and reaction time. The experime...

Open access Research Article 10.9734/JPRI/2017/35607

Equilibrium, Kinetic Studies on the Adsorption of Acid Green 3 (Ag3) Dye Onto Azolla filiculoides as Adosorbent

Davoud Balarak, Edris Bazrafshan & Ferdos Kord Mostafapour · Chemical Science International Journal · 2015

Batch studies were conducted for Equilibrium, kinetics studies on the biosorption of Acid Green 3 from aqueous solution by Azolla filiculoides. The variation of pH, dose of adsorbent, contact time, concentration of Acid Green 3  Dye was investigated. The optimum conditions for th...

Open access Research Article 10.9734/ACSJ/2016/22048

Survey of Efficiency Agricultural Waste as Adsorbent for Removal of P-Cresol from Aqueous Solution

Davoud Balarak & Yousef Mahdavi · International Research Journal of Pure and Applied Chemistry · 2015

This study was conducted to evaluate the feasibility of P-Cresol removal from aqueous solutions using canola stalk. The effect of Contact time, Concentration of P-Cresol, biomass dosage and pH on adsorption of P-Cresol by canola biomass were also evaluated. The results showed tha...

Open access Research Article 10.9734/IRJPAC/2016/20507

Removal of Ciprofloxacin from of Pharmaceutical Wastewater by Adsorption on SiO2 Nanoparticle

Ferdos Kord Mostafapour, Davoud Balarak & Marzieh Baniasadi · Journal of Pharmaceutical Research International · 2019

The removal of Ciprofloxacin (CFX) on SiO2 nanoparticle was performed as a function of initial CFX concentration, contact time at fixed pH and adsorbent dose and characterized using scanning electron microscopy (SEM) and Brunauer Emmett Teller (BET) surface area. Amount of CFX up...

Open access Research Article 10.9734/jpri/2018/v25i630127

Adsorption Thermodynamics, Kinetics and Mechanism for the Adsorption of Erythromycin onto Multi-Walled Carbon Nanotubes

Ferdos Kord Mostafapour, Mahadethe Dashtizade & Davoud Balarak · Journal of Pharmaceutical Research International · 2019

The ability of multi-walled carbon nanotubes (MWCNT) to adsorb the Erythromycin antibiotic from aqueous solution was studied through the batch experiments. The adsorption of Erythromycin onto MWCNT was found to be dependent on adsorbent dose, initial concentration and contact tim...

Open access Research Article 10.9734/JPRI/2018/43573

Biosorption of Acid Blue 225 from Aqueous Solution by Azolla filiculoides: Kinetic and Equilibrium Studies

Shahram Sadeghi, Ali Joghataei, Nammam Ali Azadi & Davoud Balarak · Chemical Science International Journal · 2015

Batch studies were conducted for kinetics and equilibrium studies on biosorption of Acid Blue 225 (AB 225) dye from aqueous solution by Azolla filiculoides. The biomass used as adsorbent in this work was initially characterized by SEM and BET. The effect of parameter including ad...

Open access Research Article 10.9734/ACSJ/2016/22821