SunDec – Decolorant / Colour Removal Polymer Supplier in Ludhiana
Hosiery and yarn dye baths drain hot, salty and strongly coloured. SunDec removes the dissolved dye before the flocculant, ahead of the common plant.
Hot baths, cooled samples
Cool the sample to the temperature of the tank before the jar test.
Why Ludhiana is under scrutiny
Ludhiana's wastewater runs down the Buddha Nullah to the Sutlej, and the pollution there has held the attention of courts and regulators for years. Dye houses are now expected to treat what they discharge, and a growing number send it to common plants.
Documents for SunDec SC05
The treatment order
Dye baths for knitwear and yarn leave the plant hot, salty and strongly coloured. After equalising and coagulating, SunDec SC05 handles the dissolved dye and a cationic Sunfloc grade settles the floc.
Skip the decolorant and the colour travels on to the common plant, where it becomes everyone's problem. Plants that treat on site and discharge to a common plant benefit from lower colour at the inlet.
Winter operation
In the cold months coagulation and biological treatment both slow, and doses frequently have to go up through December and January. Re-test them as the water cools. The Punjab Pollution Control Board regulates units. Road freight from Chennai covers about 2,500 km, usually about six days, so keep stock on site; read the Ludhiana guide.
SunDec questions from Ludhiana
Is SunDec for plating effluent?
No. Plating metals precipitate at alkaline pH and settle with an anionic grade. SunDec is for dye.
Does the cold affect it?
The whole treatment train slows in winter; re-run a jar test as temperature falls.
What pack sizes?
Drums. Ask about sizes and bulk.
SunDec in other cities
More on Ludhiana
Start a SunDec trial in Ludhiana
Hosiery and yarn dye houses in Ludhiana: send a litre of effluent for a free decolorant trial.