Diverse Technology and Methods for Dye Treatment

Geetha, K.; Velmani, N.

doi:10.14233/ajchem.2015.17804

Cited by 4 publications

(1 citation statement)

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“…Adsorption is an effective method for water decontamination process [14]. In addition, the adsorption method is known to be low cost operating process, as well as an easy operation method compared to other wastewater treatment methods [15].…”

Section: ■ Introductionmentioning

confidence: 99%

Removal of Methylene Blue from Aqueous Solution by Using Electrical Arc Furnace (EAF) Slag

Suhaimy

Abdullah

2019

Indones. J. Chem.

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In recent years, environmental protection has gained a major concern. In line with the rapid growth of various industries, high amount of effluent has been generated and discharged to the environment. One of the concerns is the presence of synthetic dye in the wastewater stream, as it may endanger human and aquatic life. In this experiment, the Electrical Arc Furnace (EAF) slag has been used as an adsorbent to remove methylene blue from the aqueous solution. Batch experiments have been conducted, and the effects of initial dye concentration, pH, adsorbent dosage and temperature were studied respectively. Chemical treatment has been performed to modify the adsorbent. The results reveal that treated EAF Slag has higher efficiency in removing methylene blue compared to raw EAF slag. More pores have been exposed, and impurities on the adsorbent’s surface have been removed, to enhance better removal efficiency. The maximum adsorption capacity for treated EAF is 14.2029 mg/g and for raw EAF Slag is 9.615 mg/g. The maximum removal percentage for treated EAF Slag is 71.01%, whereas raw EAF shows 37.19% removal at pH 10. Both raw EAF Slag and treated EAF slag fits the data for the Langmuir isotherm model which obeys the monolayer adsorption process.

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Section: ■ Introductionmentioning

confidence: 99%

Removal of Methylene Blue from Aqueous Solution by Using Electrical Arc Furnace (EAF) Slag

Suhaimy

Abdullah

2019

Indones. J. Chem.

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Removal of Methylene Blue by Hydrogels based on N, N-Dimethylacrylamide and 2-Oxazoline macromonomer

Santillán

Rueda

2020

J Polym Res

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Potential use of composts and vermicomposts as low-cost adsorbents for dye removal: an overlooked application

Paradelo

Vecino

Moldes

et al. 2019

Environ Sci Pollut Res

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The use of composts and vermicomposts as adsorbents is an important topic of study in the field of environmental remediation. These materials are rich in organic matter and have functional groups that can interact with organic and inorganic compounds. They also contain microorganisms that can promote biodegradation of organic substances. Composts that cannot be used for agronomic purposes (owing to e.g. low nutrient levels or phytotoxicity) may be valuable for soil remediation or pollutant removal. In this review paper, we discuss other papers on this topic, with the objective of drawing attention to the potential use of composts and vermicomposts and to recommend further investigation on this subject. Few published studies have investigated the use of vermicomposts to remove dyes and other coloured compounds. However, preliminary results show that these materials are potentially good adsorbents, particularly for basic dyes. However, there remain several uncertainties regarding this application. For example, very few dyes have been studied so far, and little is known about the influence of the properties of composts/vermicomposts on the dye removal process. Moreover, the possible use of vermicompost to enhance biodegradation processes has not been explored. All of these questions should be addressed in future research.

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Diverse Technology and Methods for Dye Treatment

Cited by 4 publications

References 0 publications

Removal of Methylene Blue from Aqueous Solution by Using Electrical Arc Furnace (EAF) Slag

Removal of Methylene Blue from Aqueous Solution by Using Electrical Arc Furnace (EAF) Slag

Removal of Methylene Blue by Hydrogels based on N, N-Dimethylacrylamide and 2-Oxazoline macromonomer

Potential use of composts and vermicomposts as low-cost adsorbents for dye removal: an overlooked application

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