H-Acid: Processing Technology, Products, Market, Trade Leads, Company Profiles and Equipment Suppliers:H-Acid

Project at a Glance

Contents on the CD Rom

H-acid is a dye intermediate.
H-acid production is a batch process
The process steps to produce proper dyes are: Known quality of raw materials, Possible mole to mole reaction Optimal pH control, Optimal Temperature control, Standardized the reaction efficiency and try to continuous improve it, Avoid filtration of dye if possible and adopt spay drying in house or out sourcing, which
will be helpful to reduce the loss of dye and reduce the pollution load on environment
H-acid (1-amino, 8-napthol, 3,6-disulphonic acid) is manufactured mainly by small and medium-sized enterprises with a production capacity of between ten and 100 tonnes per month.
The promotion of such enterprises has created multi-media pollution problems. As the West stopped making toxic dye intermediates, such enterprises mushroomed in industrializing countries.
H acid prices are the main driving factors also caused by environmental factors, the supply capacity of the industry decline
Main Uses are to produce all kinds of azo dyes, used to dye wools, textiles, papers and paper textiles; also used to synthesize pharmaceutical.

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