JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

UNIT - I

Introduction: General Characteristics of Industrial Effluents, Effects on Environment - ISI tolerance limits for discharging industrial effluents into surface water, into public sewers and onto land for irrigation - Toxic chemicals from industry, Zero waste approach

UNIT - II

Pretreatment of Industrial Wastewater: Necessity of pretreatment - Equalization - Segregation - Process Changes - Salvaging - By product Recovery.

UNIT - III

Removal by Reverse Osmosis, Ion Exchange, Electrodialysis, Solvent Extraction, Floatation- Removal of Refractory Organics - Removal of Nitrogen and Phosphorus.

UNIT - IV

Major Industrial Effluents: Sources, Characteristics and Treatment. Food Industries: Sugar, Dairy, Distilleries

UNIT - V

Chemical Industries: Paper and Pulp, Tanneries, Textiles, Fertilizers, Pharmaceuticals, Cement and Steel.

REFERENCES:

• 1. Numersorn, N.L.: "Liquid Waste from industry - theories, Practice and Treatment"
• 2. Benefield L.D. and Randall C.D.: "Biological Process Designs for Wastewater Advanced Waste Treatment Methods: Removal of suspended solids - Dissolved solid Treatment", Prentice Hall Pub. Co., 1980.
• 3. Metcalf and Eddy: "Wastewater Engineering - Collection, Treatment, Disposal and Reuse", Mc Graw Hill Pub. Co., 1995.
• 4. Rao, M.N. & Dutta, A.K. (1982) Wastewater Treatment, IBH Publishers.
• 5. Bhide, A.D. & Sunderesan, B.B. (1994) Solid Waste Management, INSDOC, NEERI, Nagpur. R19 M.TECH ENVIRONMENTAL ENGG. M. Tech – I Year – IISem. (Env. Engg.)