MohammadAquib13
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13 slides
Oct 25, 2020
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About This Presentation
A presentation on various Eco-friendly techniques of solid waste management. This includes methods such as landfill, composting, ingeneration, Plasma gasification, waste to energy, waste minimization etc.
Size: 622 KB
Language: en
Added: Oct 25, 2020
Slides: 13 pages
Slide Content
Eco-friendly Techniques of Solid Waste Management -Mohammad Aquib B.E. (Civil Engineering) R.T.M. Nagpur University, Nagpur Diploma in Civil Engineering M.S.B.T.E., Mumbai
W aste M anagement Waste management includes collection , transportation and processing(treatment or disposal) of garbage, sewage and other waste products . Basically waste management means “Prevention, characterization, monitoring, treatment, handling, reuse and residual deposition of solid waste .” It is about how garbage can be used as a valuable asset . The waste can be generated from residential, industrial, institutional, commercial and other sources .
Method of waste Processing Landfill Incineration/combustion R ecovery & Recycling Plasma Gasification Composting Waste to energy W aste m inimization
Landfill The landfill is the most popularly used method of waste disposal used today . This process of waste disposal focuses attention on burying the waste on the land . Landfill are found in all areas. There is a process used that eliminates the odors and dangers of waste before it is placed into the ground . Methods of Landfill: Area Method Trench Method Ramp/Slope Method Valley landfill
Incineration/combustion In Waste incineration the combustion/burning of organic substances present in solid waste materials by high temperature. The biggest advantage of this type of method is that it can reduce the volume of the solid waste to 20 % to 30%of the original volume. This process is also known as thermal treatment where solid waste materials are converted incinerators into heat, gas, steam and ash . Types of Incinerators Mass Burn incinerator Modular combustion incinerator Refuse-derive fuel incinerator Municipal incinerator
Recovery and Recycling Resource recovery is the process of taking useful discarded items for specific next use. Recycling is the process of converting waste products into new products to prevent energy usage and consumption of fresh raw material The idea behind recycling is to reduce energy usage ,reduce volume of landfill , reduce air and water pollution , reduce greenhouse gas emission and preserve natural resources for future use.
Plasma Gasification Plasma gasification is another form of waste management . Plasma is a primarily an electrically charged or a highly ionized gas. Lighting is one type of plasma which produces temprature that exceeds 12,600 °F. This form of waste disposal provides renewable energy and an assortment of other fantastic benefits.
Composting Composting is an easy and natural bio-degradable process that takes organic wastes i ,e . remains of plants and garden and kitchen waste and turns into nutrient rich food for plants. Composting ,normally used for organic farming ,occurs by allowing organic materials to sit in one place for months until microbes decompose it. Types of composting: 1. Indore Method (Aerobic Method) 2. Bangalore Method ( A naerobic Method)
Waste to Energy (Recover energy) Waste to energy is the process of generation energy in the form of electricity or heat from the primary treatment of waste or the processing of waste into a fuel. Thermal Conversion Bio chemical Conversion Thermochemical conversion Electrochemical conversion Methods of recovering energy :
W aste Minimization Waste Minimization is reduction in the quantity of wastes before and after its generation by using various methods or techniques. 3 R’s of Waste Minimization Reduce Reuse Recycle
1.Quality of products will be improved in such a way that it can be recycled and reused easily and effectively . 2. Economic benefits to collection workers, processing plants and reselling stores. 3. The efficiency of production practices will get increased. 4. Fulfillment of Environmental responsibility 5 . Company’s reputation will get boosted if it claims the minimization of waste like MAMAEARTH. 6 . New customers who are environment lovers will take interest in products of company. 7 . Less Accidents will take place on landfill, incineration and other waste processing sites . 8 . Ultimately the environment will get protected. – Benefits of Waste Minimization
Waste Minimization Techniques 1. Less use of Packaging Materials 2 . Reuse of scrap metal 3 . Exchange of Waste 4 . Direct shipping to the point of use 5. Resource optimization 6. Revision of Recycling Program