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Major Findings of the Three-Step Activation Technique

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Fly Ash Zeolites

Part of the book series: Advanced Structured Materials ((STRUCTMAT,volume 78))

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Abstract

The present chapter deals with the inferences derived from the “three-step activation” of the hopper ash, which has been ascertained to be the superior ash over lagoon ash, as described in Chap. 5. This technique has been found to be superior over conventional hydrothermal technique for obtaining the residues with high cation exchange values (viz., the higher grade zeolites, Na-P1, Hydroxy-sodalite, Faujasite, Cancrinite, Na-A). This technique has been established to be highly effective for purification of fly ash zeolites as well. Attempts have been made in the following to discuss about the quantification of transitions occurring into the filtrate and the macro to micro pores of the residues obtained from the three-step activation. Furthermore, efforts have been made to monitor the three-step activation of the fly ash by fusion method to synthesize high grade zeolite X. The final inference of this study is that the fly ash zeolites synthesized by following the hydrothermal technique is superior, as compared to the products of fusion technique.

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Authors and Affiliations

  1. Department of Civil Engineering, Dr. B. B. A. Government Polytechnic, Karad (D.P.), Dadra and Nagar Haveli, India

    Bhagwanjee Jha

  2. Department of Civil Engineering, Indian Institute of Technology Bombay, Mumbai, Maharashtra, India

    Devendra Narain Singh

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  1. Bhagwanjee Jha
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  2. Devendra Narain Singh
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Correspondence to Bhagwanjee Jha .

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Jha, B., Singh, D.N. (2016). Major Findings of the Three-Step Activation Technique. In: Fly Ash Zeolites. Advanced Structured Materials, vol 78. Springer, Singapore. https://doi.org/10.1007/978-981-10-1404-8_6

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