Synthesis of zeolite from sugarcane bagasse fly ash and its application as a low-cost adsorbent to remove heavy metals

Oliveira, Jéssica A.; Cunha, Felipe; Ruotolo, Luís A.M.

doi:10.1016/j.jclepro.2019.05.069

Cited by 85 publications

(36 citation statements)

References 37 publications

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Section: Several Treatments Methods Have Been Investigated Regarding Pmentioning

confidence: 99%

“…The adsorption is the easiest method, cheapest, effective method to remove dyes from solution and furthermore, the adsorbent can be reused [10], [11]. Various materials have been examined and implemented as adsorbent to remove dyes from water such as bentonite [12], kaolinite [11], zeolite [13], montmorillonite [14] and layered double hydroxide [15]. Layered double hydroxide (LDH) is the anionic synthetic clay with general formula [M2+1−xM3+x (OH)2]+xAx/n−n •mH2O with M2+ containing divalent (Cu2+, Mg2+, Zn2+ and Ca2+) and M3+ containing trivalent metals ion (Al3+, Cr3+ and Fe3+) [16].…”

Section: Introductionmentioning

confidence: 99%

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Preparation of copper aluminum-biochar composite as adsorbent of malachite green in aqueous solution

Palapa

Taher

Mohadi

et al. 2020

Preprint

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In this work, CuAl/Biochar (BC) composite was prepared by the coprecipitation method. The materials were applied to remove malachite green in aqueous solution. These materials were characterized using XRD, FTIR, BET and SEM-EDX analyses. The composite material was confirmed by X-ray diffractograms with reflection (002) at 24o and the appearance of new peaks at 1095 cm -1 . The BET result of CuAl/BC composite has larger surface area is 168 m 2 /g than 46 m 2 /g for LDH. The morphologies of composite materials show agglomeration and micro particle size. The result of the adsorption study indicated the composite material follows pseudo-second-order (PSO) and Langmuir isotherm models. The maximum adsorption capacity of malachite green using CuAl/BC uptake is 164.316 mg/g. The thermodynamic analysis indicates that the malachite green adsorption is spontaneous, endothermic. Regeneration study of adsorbent CuAl/BC composite shows after four times reused, it still has high removal efficiency at 89%.

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Section: Several Treatments Methods Have Been Investigated Regarding Pmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Preparation of copper aluminum-biochar composite as adsorbent of malachite green in aqueous solution

Palapa

Taher

Mohadi

et al. 2020

Preprint

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“…Nano zeolite [72] and modified zeolites [73][74][75] demonstrated a higher removal capacity of lead than that reported by natural zeolites, even much higher than functionalized reduced graphene oxide (RGO) [71]. The silica nano-zeolite X [72] presented an adsorption capacity of 909.09 mg/g of Pb 2+ being 5.5 times higher compared to that reported for natural clinoptilolite (166 mg/g) [69].…”

Section: Zeolitesmentioning

confidence: 95%

Low Dimensional Nanostructures: Measurement and Remediation Technologies Applied to Trace Heavy Metals in Water

García-Betancourt¹,

Jiménez²,

González-Hodges³

et al. 2021

Trace Metals in the Environment - New Approaches and Recent Advances

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A nanostructure is a system in which at least one external dimension is in the nanoscale, it means a length range smaller than 100 nm. Nanostructures can be natural or synthetic and determine the physicochemical properties of bulk materials. Due to their high surface area and surface reactivity, they can be an efficient alternative to remove contaminants from the environment, including heavy metals from water. Heavy metals like mercury (Hg), cadmium (Cd), arsenic (As), lead (Pb), and chromium (Cr) are highly poisonous and hazardous to human health due to their non-biodegradability and highly toxic properties, even at trace levels. Thus, efficient, low-cost, and environmentally friendly methodologies of removal are needed. These needs for removal require fast detection, quantification, and remediation to have heavy metal-free water. Nanostructures emerged as a powerful tool capable to detect, quantify, and remove these contaminants. This book chapter summarizes some examples of nanostructures that have been used on the detection, quantification, and remediation of heavy metals in water.

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“…Surface morphologies of the NaOH-activated sugarcane bagasse were explored through SEM (Figure 4). It is expressed that NaOH-activated sugarcane bagasse has lamellar feature, irregular and heterogeneous structure and cavities which favour the adsorption process in aqueous solutions [35]. The SEM images (Figure 4) show the morphological structures of the NaOH-activated sugarcane bagasse.…”

Section: Sem Analysismentioning

confidence: 99%

Development of Adsorbent from Sugarcane Bagasse for the Removal of Pollutants from Chrome Tanning Effl uents

Sultana

Ahmed

Zohra

2021

TLR

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The leather sector is the second-largest export earning sector in Bangladesh which contributes to huge employment generation and economic development. However, the current situation of this sector is not good enough for its lack of cleaner technologies and waste management systems. Tanneries are using an ample amount of harmful chemicals that may impose a huge negative impact on human health and the environment. Therefore, it is an emerging requirement for the removal of pollutants from effluents before discharging them to the environment. For this, the development of an adsorbent from agricultural waste is significant for removing pollutants from the tanning effluent and greening the environment. In this study, a low-cost adsorbent is developed and used to remove pollutants from the chrome tanning effluent. The developed adsorbent is prepared from sugarcane bagasse and activated by using NaOH. The study was performed at pH 4, with an adsorption time of 1 hour, and the adsorbent doses of 2.5 g/L. The findings revealed that a considerable amount of pollution was mitigated with the reduction in BOD (42.17%), COD (75.00%), Cr2O3 (41.91%), TSS (81.85%), and TDS (84.24%).

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Synthesis of zeolite from sugarcane bagasse fly ash and its application as a low-cost adsorbent to remove heavy metals

Cited by 85 publications

References 37 publications

Preparation of copper aluminum-biochar composite as adsorbent of malachite green in aqueous solution

Preparation of copper aluminum-biochar composite as adsorbent of malachite green in aqueous solution

Low Dimensional Nanostructures: Measurement and Remediation Technologies Applied to Trace Heavy Metals in Water

Development of Adsorbent from Sugarcane Bagasse for the Removal of Pollutants from Chrome Tanning Effl uents

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