Equilibrium and kinetics of phenol adsorption by crab shell chitosan by Francis, Asokogene Oluwadayo, Ahmad Zaini, Muhammad Abbas, Zakaria, Zainul Akmar, Muhammad, Idris Misau, Abdulsalam, Surajudeen, El-Nafaty, Usman Aliyu

“…Coarse chitosan displayed a maximum adsorption capacity of 59.3 mg/g, in which mesopore filling and ionic interactions are the possible adsorption mechanisms. …”

Adsorption of rhodamine B by palm kernel shell adsorbents by Quah, Zhi Yong, Ahmad Zaini, Muhammad Abbas

“…This study was aimed at evaluating the adsorptive removal of rhodamine B dye (RhB) by palm kernel shell adsorbents. …”

Adsorption isotherms and kinetics of phosphate on waste mussel shell by Abdul Salim, Nur Atikah, Puteh, Mohd. Hafiz, Mohd. Yusoff, Abdull Rahim, Abdullah, Noorul Hudai, Fulazzaky, Mohamad Ali, Rudie Arman, Mohd. A’ben Zulkarnain, Khamidun, Mohd. Hairul, Ahmad Zaini, Muhammad Abbas, Syafiuddin, Achmad, Ahmad, Noraziah, Mat Lazim, Zainab, Nuid, Maria, Zainuddin, Nur Azmira

“…A comparison of kinetic models applied to the adsorption of PO43− onto WMS was evaluated using pseudo-first-order (PFO) and pseudo-second-order (PSO) kinetic models. …”
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Beta-cyclodextrin carbon microspheres by hydrothermal carbonization for malachite green adsorption by Mohamed Omar, Nawal Hasin, Ahmad Zaini, Muhammad Abbas

“…This work was aimed at evaluating the adsorption characteristics of beta-cyclodextrin (ß-CD) chars. …”

Dielectric and adsorptive properties of potassium hydroxide-treated castor residue carbons by Surdi, Zulfifitriah, Tang, Shu Hui, Lee, Lin Zhi, Ahmad Zaini, Muhammad Abbas, Arsad, Agus

Interpretation of isotherm models for adsorption of ammonium onto granular activated carbon by Abdul Salim, Nur Atikah, Puteh, Mohd. Hafiz, Khamidun, Mohd. Hairul, Fulazzaky, Mohamad Ali, Abdullah, Noorul Hudai, Mohd. Yusoff, Abdull Rahim, Ahmad Zaini, Muhammad Abbas, Ahmad, Noraziah, Mat Lazim, Zainab, Nuid, Maria

“…High amounts of ammonium (NH4+) discharged in receiving water can lead to eutrophication. The adsorption of NH4+ from synthetic solution onto granular activated carbon (GAC) was scrutinized with respect to initial solute concentration (10 mg L-1 ), solution volume (0.2 L), adsorbent dosage (4 – 20 g), and contact time. …”
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Insights into kinetics and equilibrium of methylene blue adsorption onto β-cyclodextrin polymers. by Mohd. Faizal, Azrul Nurfaiz, Che Yunus, Mohd. Azizi, Ali, Asmadi, Ahmad Zaini, Muhammad Abbas

“…The exclusive properties of β-cyclodextrin (β-CD) combined with its harmless characters making it as an interesting and potential carbon adsorbent for water pollutants removal via adsorption. This work was aimed at evaluating the kinetics and isotherm parameters of methylene blue dye adsorption onto β-CD polymers. …”
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Vitex doniana seed activated carbon for methylene blue adsorption: equilibrium and kinetics. by Francis, Asokogene Oluwadayo, Kevin, Otoikhian Shegun, Ahmad Zaini, Muhammad Abbas

“…The maximum methylene blue adsorption was recorded as 238 mg/g at concentration range of 1–800 mg/L and VDZnCl2 dosage of 50 mg. …”

Adsorption of aqueous metal ions on cattle-manure-compost based activated carbons by Ahmad Zaini, Muhammad Abbas, Okayama, Reiko, Machida, Motoi

“…Pore texture. available surface functional groups, pH of point zero charge (pH(PZC)), thermogravimetric analysis and elemental compositions were obtained to characterize the activated carbons. Batch adsorption technique was used to determine the metal-binding ability of activated carbons. …”

Adsorption of heavy metals onto activated carbons derived from polyacrylonitrile fiber by Ahmad Zaini, Muhammad Abbas, Amano, Yoshimasa, Machida, Motoi

“…Activated carbons were characterized by their pore texture, elemental compositions and surface functionalities. Batch adsorption and desorption studies were carried out to determine the metal-binding ability of activated carbons. …”

Adsorption of Cd(II) on activated carbon fiber prepared from polyacrylonitrile (PAN) by Furuyado, Mami, Ahmad Zaini, Muhammad Abbas, Aikawa, Masami, Amano, Yoshimasa, Machida, Motoi

“…The activated carbon fiber possessing greater nitrogen content in the peripheral of the graphite sheet was considered to be effective for the Cd(II) adsorption.…”
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Rhodamine B dyes adsorption on palm kernel shell based activated carbons by Lee, Lin Zhi, Ahmad Zaini, Muhammad Abbas

“…Besides, a case study on the adsorptive performance of palm kernel shell-based activated carbon for rhodamine B removal from water was included to evaluate its feasibility in the treatment of dyes wastewater.…”
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Adsorption dynamics of dye onto crab shell chitosan/neem leaf composite by Francis, Asokogene Oluwadayo, Ahmad Zaini, Muhammad Abbas, Muhammad, Idris Misau, Abdulsalam, Surajudeen, El Nafaty, Usman Aliyu

“…The results reflect better dye adsorption at higher operating conditions. The maxi-mum dye adsorption capacity observed was almost 77 mg/g. …”
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Carbon dioxide removal from biogas through pressure swing adsorption – A review by Bahrun, Mohd. Hardyianto Vai, Bono, Awang, Othman, Norasikin, Ahmad Zaini, Muhammad Abbas

“…At present, the pressure swing adsorption (PSA) plays a vital role in biogas upgrading along with water scrubbing, chemical absorption, and membrane permeation. …”
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Isotherm studies of methylene blue adsorption onto potassium salts-modified textile sludge by Tang, Shu Hui, Ahmad Zaini, Muhammad Abbas

“…Langmuir isotherm model gave the best fit to adsorption equilibrium compared to Freundlich isotherm model indicating a monolayer adsorption at homogeneous sites on the adsorbent. …”
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Reliability of the mass transfer factor models to describe the adsorption of NH4+ by granular activated carbon by Fulazzaky, Mohamad Ali, Abdul Salim, Nur Atikah, Puteh, Mohd Hafiz, Khamidun, Mohd Hairul, Mohd Yusoff, Abdull Rahim, Mohammad Fulazzaky, Mohammad Fulazzaky, Abdullah, Noorul Hudai, Ahmad Zaini, Muhammad Abbas

“…In spite of the adsorption of a solute onto porous material that can be described using the various models, the reliability of these models supported each other needs to be verified. …”

Insight into the adsorptive mechanisms of methyl violet and reactive orange from water—a short review by Mohd. Faizal, Azrul Nurfaiz, Nicky Rahmana Putra, Nicky Rahmana Putra, Ahmad Zaini, Muhammad Abbas

“…The properties of dyes and factors affecting adsorption are discussed to shed light on adsorptive mechanisms. …”

Banana pseudo stem- and palm kernel shell-based biochars by microwave for methylene blue adsorption by Yeo, Shi Hao, Ahmad Zaini, Muhammad Abbas, Che Yunus, Mohd Azizi

“…This study investigates the adsorptive properties of biochars derived from banana pseudostem (BP) and palm kernel shell for methylene blue (MB) removal. …”

Deep eutectic solvent-treated palm oil mill sludge adsorbents for methylene blue adsorption by Francis, Oluwadayo Asokogene, Ahmad Zaini, Muhammad Abbas

“…This study evaluated the adsorptive properties of deep eutectic solvent (DES)-treated palm oil mill sludge adsorbents for methylene blue removal. …”

Adsorption of methylene blue on cardboard-based activated carbons treated with zinc chloride and potassium hydroxide by Ahmad Zaini, Muhammad Abbas, Sato, Kazumasa, Amano, Yoshimasa, Machida, Motoi

“…Among several experimental factors examined, the surface area was found to be the most influential factor for methylene blue adsorption onto the prepared activated carbons. It was also revealed that the methylene blue adsorption data were fitted well with the pseudo-second-order kinetics model and Langmuir isotherm model.…”