TY - BOOK AU - Central Pollution Control Board TI - De-colourisation of industrial effluent : an environmental dilemma U1 - 363.7394 PY - 2012/// CY - New Delhi PB - Central Pollution Control Board N2 - INDEX OF CONTENTS 1. What is 'C O L O U R' ? 1 2. Why measure colour? 1 3. What causes 'colour' in waste water? 2 4. 'Colour' in waste water an environmental dilemma 3 5. Colour concept 4 6. Types of colour 5 6.1 Apparent colour 5 6.2 True Colour 5 7. Analytical Methods for colour measurement 5 7.1 Colour measurement - apparent colour 5 7.2 Colour measurement - true colour 6 7.1.1 Comparator methods 7 7.1.2 Colorimetric methods 7 8. Regulatory norms for Colour removal 8 8.1 Global regulatory norms for Colour removal 8 8.2 Regulatory norms for Colour removal in India 9 9. De-colourisation technologies for waste water 12 9.1 Mechanical treatment 13 9.2 Biological treatment 13 9.3 Chemical degradation techniques 13 9.4 Physical treatments 13 10. Colour removal practices in industrial waste water 14 in India 10.1 India a 'Speciality Chemical'hub - colour removal in Dye manufacturing units 14 10.2Colour removal practices: Textile sector 16 10.3Colour removal practices: Pulp & paper mills 19 10.4Colour removal practices : Tanneries 22 10.5Colour removal practices : Distilleries 25 11. 'Colour' management by SAAEs clusters &CETPs 26 12. Challenges to'colour' removal 30 ER -