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Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri

The discharge of synthetic azo dyes wastewater without further treatment direct from various industries could affect human’s health, ecosystem of aquatic life and the environment. The disposal problem of untreated agricultural wastes can lead to greenhouses effect resulting from the open burning. Th...

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Main Author: Asri, Syaza Athirah
Format: Student Project
Language:English
Published: 2018
Subjects:
Laboratories. General works
Dyes
Online Access:http://ir.uitm.edu.my/id/eprint/34364/1/34364.pdf
http://ir.uitm.edu.my/id/eprint/34364/
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spelling my.uitm.ir.343642020-09-10T07:54:29Z http://ir.uitm.edu.my/id/eprint/34364/ Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri Asri, Syaza Athirah Laboratories. General works Dyes The discharge of synthetic azo dyes wastewater without further treatment direct from various industries could affect human’s health, ecosystem of aquatic life and the environment. The disposal problem of untreated agricultural wastes can lead to greenhouses effect resulting from the open burning. This study aimed to measure the adsorbent capacity of rice husk and to optimize the parameters for further batch sorption. The feasibility of low cost agricultural waste adsorbents toward the decolourization of different azo dyes was measured throughout the adsorption process. The raw rice husks undergo chemical activation of phosphoric acid (H3PO4) before further carbonization. The rice husk activated carbon was characterized using FT-IR Spectrometer and UV-VIS spectrophotometer. The optimization independent parameter such as adsorbent dosage (1.0, 1.5 and 2.0 g), pH (3, 7 and 10) and contact time (1, 2 and 3 hours) was studied. In this study, screening of different azo dyes resulted in higher removal efficiency towards Congo red (43.85%) followed by Tartrazine (43.84%) and Remazol black 5 (11.85%). The batch adsorption showed maximum adsorption capacity of 7.38 mg/g dye with respect to 2.0 g of adsorbent dosage at pH 7 for 60 minutes. Hence, the activated carbon of rice husk was capable to remove the selected azo dyes and can be economically used for wastewater treatment throughout this study. 2018 Student Project NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/34364/1/34364.pdf Asri, Syaza Athirah (2018) Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri. [Student Project] (Unpublished)
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Laboratories. General works
Dyes
spellingShingle Laboratories. General works
Dyes
Asri, Syaza Athirah
Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri
description The discharge of synthetic azo dyes wastewater without further treatment direct from various industries could affect human’s health, ecosystem of aquatic life and the environment. The disposal problem of untreated agricultural wastes can lead to greenhouses effect resulting from the open burning. This study aimed to measure the adsorbent capacity of rice husk and to optimize the parameters for further batch sorption. The feasibility of low cost agricultural waste adsorbents toward the decolourization of different azo dyes was measured throughout the adsorption process. The raw rice husks undergo chemical activation of phosphoric acid (H3PO4) before further carbonization. The rice husk activated carbon was characterized using FT-IR Spectrometer and UV-VIS spectrophotometer. The optimization independent parameter such as adsorbent dosage (1.0, 1.5 and 2.0 g), pH (3, 7 and 10) and contact time (1, 2 and 3 hours) was studied. In this study, screening of different azo dyes resulted in higher removal efficiency towards Congo red (43.85%) followed by Tartrazine (43.84%) and Remazol black 5 (11.85%). The batch adsorption showed maximum adsorption capacity of 7.38 mg/g dye with respect to 2.0 g of adsorbent dosage at pH 7 for 60 minutes. Hence, the activated carbon of rice husk was capable to remove the selected azo dyes and can be economically used for wastewater treatment throughout this study.
format Student Project
author Asri, Syaza Athirah
author_facet Asri, Syaza Athirah
author_sort Asri, Syaza Athirah
title Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri
title_short Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri
title_full Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri
title_fullStr Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri
title_full_unstemmed Treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / Syaza Athirah Asri
title_sort treatment of synthetic azo dyes wastewater by using rice husk as adsorbent / syaza athirah asri
publishDate 2018
url http://ir.uitm.edu.my/id/eprint/34364/1/34364.pdf
http://ir.uitm.edu.my/id/eprint/34364/
_version_ 1685651184468099072
score 13.211869

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