Preparation of a Concentrated Coal Water Slurry Dispersant Incorporating Sulfomethylated Alkali Lignin as a Raw Material

DOI

10.2991/rsete.2013.70How to use a DOI?

Keywords

coal water slurry, dispersant, lignin, coal

Abstract

Dispersants in coal water slurry have received considerable attention over the years with regards to their use in enhancing the properties of CWS. This paper focuses on the preparation of the low-cost, high-performance CWS dispersant. The novel concentrated coal water slurry dispersant was prepared by reacting the sulfomethylated alkali lignin with sulphonated acetone-formaldehyde polycondensate, and the effect of various factors on the dispersion ability was investigated. The results showed that when the H2O2 dosage was 5g, when the molar ratio of CH2O to Na2SO3 was 3.4, and when the Na2SO3 dosage was 40%, the apparent viscosity of CWS could reach 1074 mPa•s.

Copyright

© 2013, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Chen Xiaomei
AU  - Liu Minghua
AU  - Liu Yifan
PY  - 2013/08
DA  - 2013/08
TI  - Preparation of a Concentrated Coal Water Slurry Dispersant Incorporating Sulfomethylated Alkali Lignin as a Raw Material
BT  - Proceedings of the 2013 the International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013)
PB  - Atlantis Press
SP  - 286
EP  - 289
SN  - 1951-6851
UR  - https://doi.org/10.2991/rsete.2013.70
DO  - 10.2991/rsete.2013.70
ID  - Xiaomei2013/08
ER  -