Removal of some organic dyes by acid-treated spent bleaching earth

Acid treated spent bleaching earth was prepared by treating spent bleaching earth, a waste material from the palm oil industry, with 20% sulphuric acid and heated at 350°C for three hours. This material can efficiently sorb a variety of organic dyes especially reactive and acid dyes, with maximum so...

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Bibliographic Details
Main Authors: Lee, Chnoong Kheng, Low, Kun She, Gan, P. Y.
Format: Article
Language:English
Published: Taylor & Francis 1999
Online Access:http://psasir.upm.edu.my/id/eprint/40081/1/Removal%20of%20some%20organic%20dyes%20by%20acid-treated%20spent%20bleaching%20earth.pdf