Spray Drying of Lignin sulphonate
Lignin sulfonate is a byproduct of the paper and pulp industry and is commonly used as a binder and dispersant in a variety of industrial applications. Spray drying has been investigated as a method for the production of lignin sulfonate powders for use in various industries.
The main areas of spray drying of lignin sulfonate include the construction, agriculture, and textile industries. In the construction industry, spray-dried lignin sulfonate powders are used as a concrete admixture to improve the strength and workability of concrete. In the agriculture industry, spray-dried lignin sulfonate powders are used as a soil amendment to improve soil health and promote plant growth. In the textile industry, spray-dried lignin sulfonate powders are used as a dye dispersant to improve the efficiency of the dyeing process.
Overall, spray drying of lignin sulfonate has a specific application in the construction, agriculture, and textile industries. The use of spray drying can offer several advantages such as improved solubility, uniform particle size, and reduced transportation costs, making it a preferred technique for the production of lignin sulfonate powders in these industries. However, the variability of lignin sulfonate composition and the lack of standardized methods for its production and characterization are significant challenges that need to be addressed for the wider adoption of spray-dried lignin sulfonate powders in industry.
Please see the application note for starting paramters, formulations and some results.