Adsorption of procion red and congo red dyes using microalgae Spirulina sp

Mohadi, Risfidian; Hanafiah, Zazili; Hermansyah, Hermansyah; Zulkifli, Hilda

doi:10.26554/sti.2017.2.4.102-104

Cited by 15 publications

(7 citation statements)

References 1 publication

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“…These Qmax values are comparable to those of other biosorbents used as Procion Red removal agents such as Bacillus subtilis [15], activated pine fruit shell [46], Res. Deffated Nigrospora Sp [47], spirulina algae [11] and layered double hydroxide [48], as listed in Table 4. The thermodynamic parameters are listed in Table 3; they are formulated in Eq.…”

Section: ) Adsorption Behaviour Of Adsorbentsmentioning

confidence: 99%

“…The removal of dye molecules from wastewater is important, and it is very interesting to see how this can be achieved [7]. Treatment methods to remove dyes from wastewater, including photodegradation [8], bioremediation [9], decomposition [10], and adsorption, have been examined [11][12][13]. Among these, adsorption is more popular because of its low setting-up cost, ease of operation, and high efficiency [14].…”

Section: Introductionmentioning

confidence: 99%

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Biochar from Rice Husk as Efficient Biosorbent for Procion Red Removal from Aqueous Systems

et al. 2021

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Numerous reports have elucidated the use of biochar (BC) to adsorb dyes from wastewater. However, its applicability for adsorbing Procion Red, which causes carcinogenic and mutagenic effects on aquatic life, has not been studied. In this work, biochar produced from rice husk in Sumatera, Indonesia was used as a biosorbent for Procion Red removal from aqueous systems. Rice husk-BC was characterised using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, surface area specific analysis, and scanning electron microscopy (SEM) for mor-phological analysis. The characterisation showed a (002) reflection peak at 2θ = 23° with broad and quite intense diffraction, which indicates reflection of electromagnetic waves by silicates, oxides and carbon present in the rice husk-BC. The surface area and SEM morphologies confirm that after pyrolysis, the surface of the rice husk changed. The FTIR spectra confirm the presence of functional groups such as the carboxylic acids and aromatic compounds. The surface area of rice husk-BC was up to ten times that of its raw material. The results of adsorption studies indicate that adsorption of Procion Red on rice husk-BC follows a pseudo-second-order (PSO) reaction with a rate constant of 0.044 min-1 and Langmuir isotherm models with a coefficient of correlation close to unity. The maximum adsorption capacity increased from 36.900 mg g-1 for the rice husk to 84.034 for the rice husk-BC. Thermodynamic analysis showed positive enthalpy and entropy, indicating that Procion Red adsorption is endothermic; thus, the Gibbs energy values decreased with increase in temperature, indicating that high temperatures are favourable for the adsorption process. Furthermore, the study of adsorption of Procion Red on rice husk-BC and regeneration of the adsorption capacity of rice husk-BC showed the largest drop in the fourth and last cycle.

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Section: ) Adsorption Behaviour Of Adsorbentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Biochar from Rice Husk as Efficient Biosorbent for Procion Red Removal from Aqueous Systems

et al. 2021

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“…Hemicelluloses-based magnetic aerogel was e ciently removed CR from aqueous solution with maximum adsorption capacity 137.74 mg/g (Guan et al, 2020). Microalgae Spirulina, sp, was used as biosorbent to remove CR from the aqueous solution with adsorption capacity reaching 0.148 mg/g (Mohadi et al, 2017). The excess of layered double hydroxide (LDH), as adsobent such as easy to synthesize and modify attract many researchers to investigate it extensively.…”

Section: Introductionmentioning

confidence: 99%

Structural Stability of Ni/Al Layered Double Hydroxide Supported on Graphite and Biochar Toward Adorption of Congo Red

Siregar

Palapa

Wijaya

et al. 2021

sci. technol. indones.

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In this research, Ni/Al layered double hydroxide (LDH) was modified by using co-precipitation method to generate Ni/Al-graphite (Ni/Al-GF) and Ni/Al-biochar (Ni/Al-BC). The adsorbents were applied to remove Congo Red from aqueous solution. The obtained samples were characterized by using XRD, FTIR, BET and TG-DTA. The XRD diffraction pattern of Ni/Al LDH, Ni/Al-GF, and Ni/Al-BC presented the formation of composite with decreasing crystallinity. The surface area modified LDHs was higher than the pristine materials, which was obtained 15.106 m2/g, 21.595 m2/g and 438.942 m2/g for Ni/Al-LDH, Ni/Al-GF, Ni/Al-BC respectively. The adsorption of Congo Red on the materials was tested at diferent parameters and the results exhibited that Congo Red adsorption on LDHs were pseudo-first-order (PFO) kinetic, spontaneous, endothermic and followed Langmuir model. The adsorbents removed Congo Red by high performance stability with adsorption capacity was 116.297 mg/g for Ni/Al-GF and 312.500 mg/g for Ni/Al-BC. These adsorption capacity was higher than the pristine LDH (61.728 mg/g). The regeneration process which carried out for five cycles showed that Ni/Al-GF and Ni/Al-BC have stable structures as reuse adsorbents for Congo Red from aqueous solution.

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“…However, the key factor to the successful adsorption process depend on the performance of the used adsorbent. Currently, numerous adsorbent materials have been tested to remove heavy metal form wastewater like zeolite [12], clays [13], bentonite [14][15][16], kaolin [17], algae [18], also synthetic layered material (layered double hydroxides) [19][20][21]. Recently, layered double hydroxides (LDHs) have gained considerable attention to be used as adsorbent due to their versatile metal composition and simple synthesis process.…”

Section: Introductionmentioning

confidence: 99%

Removal of Iron(II) Using Intercalated Ca/Al Layered Double Hydroxides with [α-SiW12O40]4-

Taher

Christina

Said

et al. 2018

Bull. Chem. React. Eng. Catal.

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Ca/Al layered double hydroxide (LDH) was successfully synthesized by co-precipitation method at pH 11 under room temperature condition then followed by calcination at 800 o C. The synthesized Ca/Al LDH was further intercalated with Keggin ion [α-SiW12O40] 4-in order to prepare the intercalated form of Ca/Al LDH. The synthesized materials were characterized by X-ray diffraction (XRD) and Fourier transform infrared (FT-IR) and used as an adsorbent for iron(II) removal from the aqueous medium. The adsorption performance was investigated by studying the kinetics and thermodynamic properties of the adsorption process. The results showed that pristine Ca/Al LDH exhibited diffraction peak at 2θ about 20 o which corresponds to the layer structure of the LDH material. For the intercalated Ca/Al LDH, the diffraction observed at 2θ around 30-40 o indicated that the [α-SiW12O40] 4-was successfully intercalated into the interlayer space of Ca/Al LDH. Furthermore, the intercalated Ca/Al LDH showed higher adsorption capacity toward iron(II) than the pristine form of Ca/Al LDH.

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Adsorption of procion red and congo red dyes using microalgae Spirulina sp

Cited by 15 publications

References 1 publication

Biochar from Rice Husk as Efficient Biosorbent for Procion Red Removal from Aqueous Systems

Biochar from Rice Husk as Efficient Biosorbent for Procion Red Removal from Aqueous Systems

Structural Stability of Ni/Al Layered Double Hydroxide Supported on Graphite and Biochar Toward Adorption of Congo Red

Removal of Iron(II) Using Intercalated Ca/Al Layered Double Hydroxides with [α-SiW12O40]4-

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