A review of agricultural waste activated carbon and effect on adsorption parameters by Mohammad Razi, Mohd Adib, Mohd Hishammudin, Mimi Nur Attahirah, Abd Rahim, Muhammad Amirza, Mohd Salleh, Nur Aqila Hani

“…The expansion review regarding activated carbon performance implies that dye removal efficiency depends on the amount of adsorbent dosage, contact time, pH solution, dye concentration applied during the adsorption process. This review shows the need of thoughtful information on adsorption parameters with an expanded list of various types of agricultural-based activated carbon and various dye removal.…”
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Adsorption efficiency and isotherms of COD and color using limestone and zeolite adsorbents by Rosli, Mohd Arif, Daud, Zawawi, Awang, Halizah, Ab Aziz, Nur Adila, Ridzuan, Mohd Baharudin, Abubakar, Mahmoud Hijab, Adnan, Mohd Shalahuddin, Tajarudin, Husnul Azan

“…The highest removal percentage were found at approximately 55% of COD and 76% of color with 120 minutes of contact time, 200 rpm in shaking speed at pH7. The Langmuir adsorption isotherm model exhibited a better fit with high correlation R2 =0.9991 for COD and R2 =0.9827 for (color) respectively, which implies that the adsorption of leachate in this study onto LS-ZEO is homogeneous with monolayer. …”
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Adsorption of phenol from aqueous solutions using incinerated sewage sludge by Wan Mohamed, Wan Afnizan

“…Furthermore, pH was found to affect the adsorption capacity where as pH decreased from original (9 - 12) to neutral (7 - 8), adsorption capacity of adsorbent increased from 0.68 mg/g to 3.0 mg/g. …”
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Development and optimization of zeolite synthesis route from natural koalin for adsorption of dyes by Abdullahi, Tijjani

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Feasibility study of agriculture by-product in removing heavy metals in wastewater through adsorption by W. Z., Teoh, Hamdan, R.

“…The data was fitted better in Langmuir isotherm with correlation coefficient of 0.8991, 0.9949 and 0.9918. The maximum adsorption capacity was 15.24, 12.30 and 15.77 mg/g on coffee waste, rice husk and mango leaves respectively which indicated the adsorption was in monolayer pattern. …”
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Improved heterocyclic aromatic hydrocarbon compound adsorption using functionalised rice husk biochar by Azman, Nur Azzyyati, Mohd Fuzi, Siti Fatimah Zaharah, Abdul Manas, Nor Hasmaliana, Wan Azelee, Nur Izyan, Nasratun Masngut, Nasratun Masngut

“…These parameters were then utilised to investigate the optimal conditions (removal rate response and adsorption capacity) for the adsorbent. The removal rate and the adsorption capacity ranged from 83.85 to 98.94 % and 335.41 to 395.76 mg/g, respectively. …”
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Adsorption of methyl orange from aqueous solution onto calcined Lapindo volcanic mud by A. Jalil, Aishah, Triwahyono, Sugeng, Adam, S. Hazirah, Rahim, N. Diana, A. Aziz, M. Arif, Hairom, Nur Hanis Hayati, M. Razali, N. Aini, Z. Abidin, Mahani A., A. Mohamadiah, M. Khairul

“…The intraparticle diffusion studies revealed that the adsorption rates were not controlled only by the diffusion step. …”
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Adsorption of methyl orange from aqueous solution onto calcined Lapindo volcanic mud by A. Jalil, Aishah, Triwahyono, Sugeng, Adam, S. Hazirah, Rahim, N. Diana, A. Aziz, M. Arif, Hairom, Nur Hanis Hayati, M. Razali, N. Aini, A.Z. Abidin, Mahani, A. Mohamadiah, M. Khairul

“…The intraparticle diffusion studies revealed that the adsorption rates were not controlled only by the diffusion step. …”
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Chemically activated carbon using peat soil for heavy metals adsorption in industrial wastewater by Md Jamien, Fahrulrazi

“…The heavy metal adsorption capacity is evaluate by using an adsorption test. …”
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A review on batch and column adsorption of various adsorbent towards the removal of heavy metal by Sazali, Norsuhailizah, Harun, Zawati, Sazali, Norazlianie

“…The batch adsorption and column adsorption performance of various adsorbent towards the removal of heavy metal are critically reviewed. …”
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Sorption Kinetics, Isotherm Studies and Mechanism of Removal of Organic and Inorganic by Adsorption onto Renewable Biominera by Amir Detho, Amir Detho, Asif Ali Memon, Asif Ali Memon, Aftab Hameed Memon, Aftab Hameed Memon, Abdulaziz Ibrahim Almohana, Abdulaziz Ibrahim Almohana, Zawawi Daud, Zawawi Daud, Mohd Arif Rosli, Mohd Arif Rosli

“…The GWMS dosage at 7.5 g illustrated that the removal percentage of COD is 71% and that of NH3–N is 47%. The adsorption capacity related to the complete monolayer coverage of saturated molecules shows that the maximum adsorption capacity of COD is 47.39 mg g−1 and that of NH3–N is 26.18 mg g−1. …”
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Sorption Kinetics, Isotherm Studies and Mechanism of Removal of Organic and Inorganic by Adsorption onto Renewable Biomineral by Amir Detho, Amir Detho, Asif Ali Memon, Asif Ali Memon, Aftab Hameed Memon, Aftab Hameed Memon, Abdulaziz Ibrahim Almohana, Abdulaziz Ibrahim Almohana, Zawawi Daud, Zawawi Daud, Mohd Arif Rosli, Mohd Arif Rosli

“…The GWMS dosage at 7.5 g illustrated that the removal percentage of COD is 71% and that of NH3–N is 47%. The adsorption capacity related to the complete monolayer coverage of saturated molecules shows that the maximum adsorption capacity of COD is 47.39 mg g−1 and that of NH3–N is 26.18 mg g−1. …”
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Sorption Kinetics, Isotherm Studies and Mechanism of Removal of Organic and Inorganic by Adsorption onto Renewable Biomineral by Detho, Amir, Memon, Asif Ali, Memon, Aftab Hameed, Almohana, Abdulaziz Ibrahim, Daud, Zawawi, Rosli, Mohd Arif

“…The GWMS dosage at 7.5 g illustrated that the removal percentage of COD is 71% and that of NH3–N is 47%. The adsorption capacity related to the complete monolayer coverage of saturated molecules shows that the maximum adsorption capacity of COD is 47.39 mg g−1 and that of NH3–N is 26.18 mg g−1. …”
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Adsorption efficiency of polyvinyl alcohol -alginate beads on Cr (VI): effect of pH and temperature by Lee, T.C., Ahmad, A.N. Aizat, Mohd Pu’ad, N.A.S., Manap, N., Abdullah, H.Z., Idris, M.I.

“…In the present study, adsorbent beads containing polyvinyl alcohol (PVA) and sodium alginate were prepared by crosslinked with boric acid and calcium chloride for hexavalent chromium [Cr (VI)] removal. The adsorption experiments were carried out using batch adsorption studies at various solution pH and temperatures. …”
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Modeling of lead (II) adsorption on sodium hydroxide treated rice husk: fixed-bed studies by Garba, Abdurrahman, Basri, Hatijah, Nasri, Noor Shawal, Siddiq, Umar Hayatu, Abdul Rahman, Abdul Rasheed

“…The results of the adsorption parameters showed that, Adams–Bohart model fitted the adsorption studies well over all the other models.…”
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Extraction of volatile fatty acids from leachate via liquid- liquid extraction and adsorption method by Razali, Yasmin Syafikah, Tajarudin, Husnul Azan, Daud, Zawawi

“…The aim of this study is to compare the percentage of VFAs extracted between liquid-liquid extraction and adsorption method. The VFAs extracted in this study were acetic and butyric acids produced from the fermentation of leachate using Clostridium butyricum. …”
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Extraction of volatile fatty acids from leachate via liquid-liquid extraction and adsorption method by Razali, Yasmin Syafikah, Tajarudin, Husnul Azan, Daud, Zawawi

“…The aim of this study is to compare the percentage of VFAs extracted between liquid-liquid extraction and adsorption method. The VFAs extracted in this study were acetic and butyric acids produced from the fermentation of leachate using Clostridium butyricum. …”
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Adsorption study of textile dye effluent using mixture of nanocrystalline cellulose and eggshell powder adsorbents by A. Hamid, Hazren, Heng, Yuan Hui, Harun, Hasnida, Mohamed Sunar, Norshuhaila, Hamidon, Nuramidah, Muhamad, Mimi Suliza, Ali, Roslinda, Jasmani, Latifah, Ahmad, Faridahanim

“…The adsorption capacities were shown to be favored at pH 6 which achieved 82.667% of dye removal. …”
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Adsorption efficiency of hydroxyapatite synthesised from black tilapia fish scales for chromium (VI) removal by Selimin, M. A., A. Latif, A. F., Lee, C. W., Muhamad, M. S., Basri, H., Lee, T. C.

“…Meanwhile, pseudo-second-order model is favourable for the adsorption process occurred in this study owing to its higher correlation coefficients. …”
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Adsorption efficiency of banana blossom peels (musa acuminata colla) adsorbent for chromium (VI) removal by Selimin, M. A., A. Latif, A. F., Er, Y. C., Muhamad, M. S., Basri, H., Lee, T. C.

“…The maximum Cr (VI) adsorption capacity is 227.27 mg/g. In this study, the pseudo-second-order model best describes the adsorption process. …”
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