Rice husk ash as an effective adsorbent: Evaluation of adsorptive characteristics for Indigo Carmine dye

Lakshmi, Uma R.; Srivastava, Vimal Chandra; Mall, Indra Deo; Lataye, Dilip H.

doi:10.1016/j.jenvman.2008.01.002

Cited by 384 publications

(163 citation statements)

References 36 publications

(35 reference statements)

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“…It was reported that the amount of Methylene blue dye removal by pine cone was increased from 62.9% to 97.2% with the increase of adsorbent mass from 0.01 to 0.05 g [4]. Also, that the amount of Indigo carmine dye removal by rice husk was increased from 36% to 96% with the increase of adsorbent dose from 2-20 g/L [62]. According to [63], the amount of Congo red dye removal increased from 56.3% to 99.3% for an increase in adsorbent dose from 5 to 30 g/L.…”

Section: Effect Of Adsorbent Dosementioning

confidence: 97%

Review on Dye Removal from Its Aqueous Solution into Alternative Cost Effective and Non-Conventional Adsorbents

Dawood¹,

Sen

2013

Journal of Chemical and Process Engineering

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Dyes are complex organic compounds which are used by various industries to colour their products. These dyes are purged from various industrial sources such as textile, cosmetic, paper, leather, rubber and printing industries. Wastewater effluents contain dyes which may cause potential hazards to the environment. Some of these dyes are toxic, carcinogenic and can cause skin and eye irritation. Therefore, many researchers have been studied the effectiveness of dyes removal from aqueous solution by different separation methods. Different separation techniques have been used for the treatment of dye-bearing wastewater such as adsorption, coagulation/flocculation, advanced oxidation technologies, ozonation, and membrane-filtration, aerobic and anaerobic degradation. All dye separation techniques have their own limitation in terms of design, operation efficiency and total cost. This review paper provides extensive literature information about dyes, its classification and toxicity together with various treatment methods into dye adsorption characteristics of several non-conventional cost effective sustainable adsorbents. The mechanism and the effects of various physio-chemical process parameters on dye adsorption are presented here.

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Section: Effect Of Adsorbent Dosementioning

confidence: 97%

Review on Dye Removal from Its Aqueous Solution into Alternative Cost Effective and Non-Conventional Adsorbents

Dawood¹,

Sen

2013

Journal of Chemical and Process Engineering

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“…Assim, na literatura encontram-se diversos estudos realizados utilizando a cinza de casca de arroz como adsorvente para corantes [4,5,[15][16][17][18].…”

Section: A Cinza Da Casca De Arroz E Suas Aplicaçõesunclassified

“…Barcellos [16]. Ferro e Wiebeck utilizaram a cinza de casca de arroz como carga em matrizes de poliamida 6 e poliamida 6,6.…”

Section: A Cinza Da Casca De Arroz E Suas Aplicaçõesunclassified

Determinação do número de ciclos de reuso do adsorvente cinza de casca de arroz no tratamento de um banho residual de tingimento têxtil

Barcellos¹,

Lima²,

Blosfeld³

2016

Eclet. Quim.

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____________________________________________________________________________Resumo: Este estudo avaliou um sistema de fluxo contínuo utilizando cinzas de casca de arroz como adsorvente para tratamento do banho residual de tingimento têxtil. O sistema consistiu na recirculação do efluente numa bureta contendo o adsorvente. Este procedimento foi realizado em cinco ciclos de reutilização do adsorvente. A Demanda Química de Oxigênio e Cor foram determinadas pela estimativa da eficiência do adsorvente em função do tempo, comparando os ciclos de reuso das águas residuais, antes e depois de tratadas com cinzas. A máxima eficiência obtida foi de 91% no 1º ciclo. No entanto, no ciclo 5, a eficiência do adsorvente foi em torno de 46%. Palavras-chave: adsorção, cinza de casca de arroz, corantes reativos ____________________________________________________________________________Abstract: This study evaluated a continuous flow system using rice husk ash as an adsorbent to treat textile bath dyeing residual. The system consisted in recirculating the effluent in a burette containing the adsorbent. This procedure was performed in five cycles of reuse of the adsorbent. Chemical Oxygen Demand and color were determined by the estimate of the adsorbent's efficiency as a function of time by comparing the cycles of reuse bath dying residual, raw wastewater and wastewater treated with ashes. The maximum efficiency obtained was 91% in the 1 st cycle. However, in the 5 th cycle the efficiency adsorbent was near 46%.

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“…Assim na literatura encontram-se diversos estudos realizados utilizando a cinza de casca de arroz como adsorvente para corantes [4,5,[15][16][17][18] [16]. Ferro e Wiebeck utilizaram a cinza de casca de arroz como carga em matrizes de poliamida 6 e poliamida 6,6.…”

Section: A Cinza Da Casca De Arroz E Suas Aplicaçõesunclassified

Determinação do número de ciclos de reuso do adsorvente cinza de casca de arroz no tratamento de um banho residual de tingimento têxtil

Barcellos¹,

Lima²,

Blosfeld³

2015

Eclet. Quim.

View full text Add to dashboard Cite

Este estudo avaliou um sistema de fluxo contínuo utilizando cinzas de casca de arroz como adsorvente para tratamento do banho residual de tingimento têxtil. O sistema consistiu na recirculação do efluente numa bureta contendo o adsorvente. Este procedimento foi realizado em cinco ciclos de reutilização do adsorvente. A Demanda Química de Oxigênio e Cor foi determinada pela estimativa da eficiência do adsorvente em função do tempo, comparando os ciclos de reuso das águas residuais, antes e depois de tratadas com cinzas. A máxima eficiência obtida foi de 91% no 1 º ciclo. No entanto, no ciclo 5, a eficiência do adsorvente foi em torno de 46%.Palavras chave: adsorção, cinza de casca de arroz, corantes reativos. ABSTRACTThis study evaluated a continuous flow system using rice husk ash as an adsorbent to treat textile bath dyeing residual. The system consisted in recirculating the effluent in a burette containing the adsorbent. This procedure was performed in five cycles of reuse of the adsorbent. Chemical Oxygen Demand and color were determined by the estimate of the adsorbent's efficiency as a function of time by comparing the cycles of reuse bath dying residual, raw wastewater and wastewater treated with ashes. The maximum efficiency obtained was 91% in the 1 st cycle. However, in the 5 th cycle the efficiency adsorbent was near 46%.

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Rice husk ash as an effective adsorbent: Evaluation of adsorptive characteristics for Indigo Carmine dye

Cited by 384 publications

References 36 publications

Review on Dye Removal from Its Aqueous Solution into Alternative Cost Effective and Non-Conventional Adsorbents

Review on Dye Removal from Its Aqueous Solution into Alternative Cost Effective and Non-Conventional Adsorbents

Determinação do número de ciclos de reuso do adsorvente cinza de casca de arroz no tratamento de um banho residual de tingimento têxtil

Determinação do número de ciclos de reuso do adsorvente cinza de casca de arroz no tratamento de um banho residual de tingimento têxtil

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