Using Lime Mud Waste from Pulp Mill as an Additive in Brick Clay

Srichalai Khunton; Siriphan Nilpairach; Supin Sangsuk

doi:10.4028/www.scientific.net/KEM.608.3

Paper Titles

Preface, Committee, Organizers and Sponsors

Using Lime Mud Waste from Pulp Mill as an Additive in Brick Clay
p.3

Valorization of Mill Scale Waste by its Incorporation in Fired Clay Bricks
p.8

Study of Residual Stresses in Traditional Ceramics
p.14

Effect of Flux Materials on the Melting Characteristics of Ash Glaze
p.21

Strength Improvement of Porous Ceramics by the Surface Infiltration of Strengthening Materials
p.26

Improvement of Mechanical Properties of Lightweight Ceramics with the Addition of Alumina Fiber
p.31

Construction of a Glaze Database
p.37

Influence of Grog and Cement on Physical and Mechanical Properties of Unfired Clay Bricks
p.41

HomeKey Engineering MaterialsKey Engineering Materials Vol. 608Using Lime Mud Waste from Pulp Mill as an Additive...

Using Lime Mud Waste from Pulp Mill as an Additive in Brick Clay

Abstract:

Lime mud from a pulp mill was used as an additive in brick clay from the southern part of Thailand. It was mixed with the clay from Cha-Aud district, Nakorn Sithammarat province. The chemical composition of lime mud and the clay was characterised by X-ray fluorescence (XRF), and the mineralogical composition was measured by X-ray diffraction (XRD). The particle size distribution was also measured. The main composition of lime mud is CaO, and Cha-Aud clay consists of SiO₂ and Al₂O₃ as major oxides. The lime mud contains calcite as a major phase when Cha-Aud clay is constituted by quartz, kaolinite, illite and goethite. Particle size distribution of lime mud is in the range of 1-50 μm. After the lime mud was neutralized using hydrochloric acid, it was mixed with Cha-Aud clay at 10 wt%. Samples with and without lime mud were sintered at 700, 800, 900 and 1000°C for 1 hour. The results showed that lime mud can be used as an additive in brick clay. Both types of samples were similar in terms of physical properties when their linear firing shrinkage, water absorption and flexural strength were in the same range.

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Periodical:

Key Engineering Materials (Volume 608)

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3-7

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https://doi.org/10.4028/www.scientific.net/KEM.608.3

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Online since:

April 2014

Authors:

Srichalai Khunton, Siriphan Nilpairach, Supin Sangsuk*

Keywords:

Additive, Brick Clay, Lime Mud, Recycle

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