Preparation of a concentrated coal water slurry dispersant incorporating sulfomethylated alkali lignin as a raw material - Details

author：

Chen, Xiao-Mei (Chen, Xiao-Mei.) ^[1] | Liu, Ming-Hua (Liu, Ming-Hua.) ^[2] | Liu, Yi-Fan (Liu, Yi-Fan.) ^[3]

Indexed by：

EI Scopus

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　Na2SO　3　was　3.4,　and　when　the　Na2SO3　dosage　was　40%,　the　apparent　viscosity　of　CWS　could　reach　1074　mPa•s.　©　2013.　The　authors.

Keyword：

Acetone Coal Lignin Molar ratio Remote sensing Sodium compounds Sodium sulfite

Community：

[ 1 ] [Chen, Xiao-Mei]College of Environment and Resources, Fuzhou University, Fuzhou, Fujian, China
[ 2 ] [Liu, Ming-Hua]College of Environment and Resources, Fuzhou University, Fuzhou, Fujian, China
[ 3 ] [Liu, Yi-Fan]College of Environment and Resources, Fuzhou University, Fuzhou, Fujian, China