Book Detail: Waste and By-product Utilization
Efficient utilization of by-products has direct impact on the economy and environmental pollution of the country. … Besides pollution and hazard aspects, in many cases meat, poultry and fish processing wastes have a potential for recycling raw materials or for conversion into useful products of higher value.
Author: Dr. S. K. Singh, Dr. P. K. Gupta
Outlines of Waste and By-product Utilization
I. Introduction to by-products and waste generation in agricultural production and processing
- By-products/waste, types of food by-product and waste, magnitude of by-products and waste in food production, magnitude of by-products and wastes in food processing
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II . Waste management concepts
- Waste characteristics, waste management and effluent treatment
III. Direct combustion of solid waste
- Proximate and ultimate analysis of biomass, theory of combustion, direct combustion of biomass as fuel in furnaces, operating conditions affecting design of furnace.
- Bales, operation of baler, briquettes, advantages and uses of briquettes.
- Thermo-chemical conversion of solid waste
- Biomass gasification, gasification process mechanism, types of gasifier reactors, utilization of producer gas
- Bio-chemical conversion of solid waste
- Biogas, biogas plants, classification of biogas plants, design of biogas plants, comparison among KVIC, Janta and Deenbandhu biogas plants, working of Deenbandhu biogas plant.
- Selection of proper size of biogas plant, utilization of biogas for cooking purpose.
- Utilization of biogas for lighting purposes and engine operation
- Solid waste management
- Methods of disposal solid waste, Vermin composting
VII. Effluent treatment and disposal
- Parameters of effluent like temperature, pH, Oxygen demands (BOD,COD), fat oil and grease content, metal content, forms of phosphorous and sulphur in effluent
- Treatment of effluent, steps for waste water treatment, sedimentation, coagulation, flocculation and floatation
- Characteristics of food processing waste water, trickling filters, rotating biological contractors
- Oxidation ditches, activated sludge process, lagoons
- Filteration, slow sand filter, rapid sand filter, disinfection of water
VIII. Presence of typical chemicals
- Microbiology of waste, bacteriological analysis of water, water borne diseases, insecticide, pesticide and fungicides residues
- Management of Pesticide Residues, equipments for estimation of pesticide residue.
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