Ppt on disposal of plastic waste

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Lesson #11 Approaches to Waste Management & Municipal Solid Waste.

trash or garbage In the U.S., paper, yard debris, food scraps, and plastics are the principal components of municipal solid waste -Even after recycling, paper is the largest component of solid waste -Most waste comes from packaging In developing countries, food scraps are the primary contributor -Wealthy nations invest more in waste collection and disposal Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings The U/


Solid and Hazardous Waste

table Groundwater Clay cap Gas vent l Topsoil Earth Sand Plastic cover Impervious clay cap Leak detection system Reaction wastes in dreams Double leachate collection system Plastic double liner Groundwater monitoring well Is land disposal of hazardous waste the answer? Three choices: Three choices: deep-well disposaldeep-well disposal surface impoundmentssurface impoundments secure hazardous-waste landfillssecure hazardous-waste landfills all have risks of leaks and groundwater contamination all have risks/


Solid and Hazardous Wastes In nature, there is essentially no wastes because the wastes of one organism become the nutrients for another. This recycling.

tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Synthetic liner Sand Clay Pipes collect explosive methane/


Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Lesson #11 Approaches to Waste Management & Municipal Solid Waste.

trash or garbage In the U.S., paper, yard debris, food scraps, and plastics are the principal components of municipal solid waste -Even after recycling, paper is the largest component of solid waste -Most waste comes from packaging In developing countries, food scraps are the primary contributor -Wealthy nations invest more in waste collection and disposal Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings The U/


Pesticide Application & Safety Training for Applicators of Public Health Pesticides California Department of Public Health Vector-Borne Disease Section.

to their disposal are 55-gallon steel or plastic drums and inner liners from these drums. If you have dedicated containers for pesticide hazardous waste, they must contain the label on the left. Chapter 10, slide 13/30 Containers Used to Collect Hazardous Wastes Date waste was first put in the container. Federal waste code numbers. Type of waste contained in the container. *Even if the waste is not/


Chapter 24 Solid and Hazardous Waste. Chapter Overview Questions  What is solid waste and how much do we produce?  How can we produce less solid waste?

tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Synthetic liner Sand Clay Pipes collect explosive methane/


Chapter 4 Land, Water and Air Resources Section 2 Waste Disposal and Recycling Notes 4-2.

Long term exposure causes cancer, damage to organs Effects may be life threatening Effects may be life threatening Disposal of Hazardous Wastes Can dispose of hazardous wastes in a few different ways Secure landfills: lined with concert and many layers of plastic Secure landfills: lined with concert and many layers of plastic Incineration: can be burned at very high temps Incineration: can be burned at very high temps Breakdown by/


Board Workshop: Overview Of CIWMB Waste Characterization Studies and Tools May 9, 2006.

businesses and schools on the main materials they dispose Determine the amount of Rigid Plastic Packaging Containers disposed, in order to calculate their recycling rate Provide information on organic materials in the waste stream to assess impacts of air quality management district proposed restrictions on composting operations Provide details on film plastic in the waste stream Provide baseline information on disposal of e-waste Provide information on feedstocks for emerging technologies/


Healthcare Waste Management Prof Dr Sonja Šostar Turk.

and dispose waste in a natural environment. Waste treatment has the advantage before disposal. Preparation of waste re-use has priority over recycling. There are several waste management options:  SEPARATE COLLECTION AND SORTING  RECYCLING  MECHANICAL AND BIOLOGICAL TREATMENT  INCINERATION – ENERGY EXPLOITATION OF WASTE  LANDFILLING 31 Recycling is a process to convert waste materials into new, useful products. Recyclable materials include many kinds of wood, glass, paper, metal, plastic and textiles/


Northeast Missouri Solid Waste Management District – Region “C” Department of Natural Resources Grant Project: Earth Friendly Outdoor Classroom Recycling.

2005 to 928 million pounds. 4. 2009: 30 million tons of plastic waste were generated in 2009, representing 12.3% of the total MSW 5. 2009: In 2009 the US generated 13 million tons of plastics as containers and packaging, almost 11 million tons as durable goods/Metals Toner Cartridges for the University only are mailed to a company Electronics are sold at surplus auctions or disposed of properly No plastics No Glass There is no more public drop-off service at the campus Truman University Physical Plant 100 E./


Chapter 19 Waste. 12.1 Solid Waste A. The Generation of Waste –Solid waste is any discarded solid material –Solid waste included: junk mail to coffee.

4.4 pounds of solid waste per day. –It is getting harder to dispose of the waste we create. B. Not All Wastes Are Equal –Biodegradable if it can be broken down b biological processes –Plant and animal matter are examples of biodegradable materials –Products made from natural materials are usually biodegradable such as newspaper, paper bags, 1. Plastic Problems –Plastic is an example of nonbiodegradable material –Plastics that we throw/


Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Enger & Smith Environmental Science A Study of Interrelationships.

are polystyrene (PS), and soft-drink bottles are polyethylene terephthalate (PET). Methods of Waste Disposal Increasing amounts of plastic in trash Methods of Waste Disposal  The plastics industry is researching new technologies.  Economics of recycling are of concern. Unless demand for products keeps pace with growing supply, recycling programs will face an uncertain future. Methods of Waste Disposal  The long-term success of recycling programs is tied to other economic incentives such as taxing issues/


Chapter 22 Solid and Hazardous Waste. Chapter Overview Questions  What is solid waste and how much do we produce?  How can we produce less solid waste?

tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Synthetic liner Sand Clay Pipes collect explosive methane/


EN6501 MUNICIPAL SOLID WASTE MANAGEMENT OBJECTIVES: To make the students conversant with different aspects of the types, sources, generation, storage,

for fuel oil, which is 44,200 kJ/kg. (v) Synthetic organic material (Plastics): 1 – 10% Significant component of solid waste in recent years. Highly resistant to biodegradation therefore, objectionable and of special concern in SWM. Increasing attention being paid to recycling of plastics to reduce the proportion of this waste component at disposal sites. Plastics have a high heating value, about 32,000 kJ/kg, suitable for incineration. But/


ENVIRONMENTAL POLLUTION AIR POLLUTION. Air Pollution  Air –Necessary for Existence –Colorless, odorless mixture of gases –Quality of air varies in different.

water.  Another cause of water pollution is a variety of organic chemicals, which include oil, gasoline, plastics, pesticides, cleaning solvents, detergent and many other chemicals. These are harmful to aquatic life and human health. They get into the water directly from industrial activity either from improper handling of the chemicals in industries and more often from improper and illegal disposal of chemical wastes.  Sediment of suspended matter is/


3 (+1)R concept In solving plastic waste disposal problem by Lee Jo May Universiti Sains Malaysia Sept 20, 2010.

2010 Discuss problems derived from irresponsible plastic waste disposal Explain and highlight the contribution of 3(+1)R concept in plastic waste management Focus on development of (+1)R – Introduction to biodegradable plastic 2 Overvie w 1. Plastics low biodegradability 2. Limited landfills 3. Expanding population and industrialisation 3 PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC PLASTIC WASTE WASTE WASTE WASTE WASTE WASTE WASTE WASTE WASTE WASTE PLASTIC EARTH 3 (+1 ) R Concept/


Charting Vermonts Course to Waste Prevention: Trends in Waste Generation and Composition Natalie Starr and Ted Siegler DSM Environmental Services, Inc.

of plastic and aseptic for glass Substitution of plastic and aseptic for glass Substitution of boxboard for steel cans Substitution of boxboard for steel cans Light-weighting of durables Light-weighting of durables Less ferrous metal per appliance Less ferrous metal per appliance Substitution of plastics and composites for metal and wood in electronics Substitution of plastics and composites for metal and wood in electronics Change in location of waste generation Change in location of waste/


SOLID, TOXIC & HAZARDOUS WASTE

our streets and storm drains Sources Greatest source in US – mining & agriculture MSW relatively small proportion of solid waste #1 paper #2 yard trimmings #3 food WASTE DISPOSAL METHODS Open dump – unsanitary, dangerous, malodorous, vermin-infested Poor often live on or near Sanitary landfill Lined with layers of clay & plastic to decrease leachate Leachate collected & treated as wastewater Trash alternately compacted & covered with soil Pipes collect/


Technological advances in bio-medical waste management & disposal Dr. B. N. Gokul Consultant Microbiologist & ICO Wockhardt Hospital Vivus Hospitals Mallige.

and prominently visible Collection of bio-medical waste (contd….) Separate container at every point of generation for general waste to be disposed of through municipal authority Trolleys, used to collect hospital waste, be designed, there should be no leakage or spillage of BMW while transporting Collection of bio-medical waste (contd…) Location of containers- All containers having different coloured plastic bags should be located at the point of generation of waste Waste bags filled up to/


Solid and Hazardous Waste

be recycled? Primary (closed-loop) recycling Secondary (downcycling) recycling Preconsumer (internal) waste Postconsumer (external) waste Composting Materials-recovery facility (MRF) Source separation Pay-as-you-throw (PAUT) Problems with recycling plastics Tradeoffs of Recycling Advantages Disadvantages Reduces air and water pollution Saves energy Reduces mineral demand Reduces greenhouse gas emissions Reduces solid waste disposal Helps protect biodiversity Can save money for items such as paper, metals/


Solid and Hazardous Waste

with ample land Saves energy Reduces mineral demand May lose money for items such as glass and most plastic Reduces greenhouse gas emissions Reduces solid waste production and disposal Reduces profits from landfills and incinerators Figure 22.9 Trade-offs: advantages and disadvantages of recycling solid waste. QUESTION: Which single advantage and which single disadvantage do you think are the most important? Helps protect biodiversity/


WASTE REDUCTION AND MINIMIZATION

(EXCLUDING FINAL DISPOSAL) EXAMPLE OF LCA - PAPER OR PLASTIC TABLE 1-1 AIR EMISSIONS & ENERGY REQUIREMENTS EXAMPLE OF LCA - PAPER OR PLASTIC TABLE 1-2 -PROFILE OF ATMOSPHERIC EMISSIONS EXAMPLE OF LCA - PAPER OR PLASTIC OTHER FACTORS PE MATERIAL AND ENERGY REQUIREMENTS ARE SATISFIED USING A NON-RENEWABLE RESOURCE, OIL. MOST OF THE ENERGY REQUIREMENTS FOR PAPER SACK PRODUCTION ARE MET USING WOOD WASTES. ASSUME 0% RECYCLE OF PLASTIC SACKS AND 1/


Preparing Bulk Items for Disposal This presentation covers the bulk items that can (and cannot) be removed. Presentation #2 12/1/2014 1.

Plastic Plastics #1 - #7, which includes all hard plastics and some soft plastics, can be recycled at UCSB. “Compostable” plastics are not accepted in the recycling waste stream. Common examples: Beverage bottles and bottle caps Plastic bags – sandwich, produce, grocery and retail bags Plastic film Plastic cups and plates Plastic food containers Plastic packaging Yogurt containers What can I recycle? 9 Office Paper Clean and unsoiled office paper can be disposed of in/


Solid and Hazardous Waste

corrosion of well casing Existing fractures or earth quakes can allow wastes to escape into groundwater Encourages waste production Fig. 21.14, p. 538 Hazardous Waste Landfill Bulk waste Impervious clay Earth Water table Groundwater Clay cap Gas vent Topsoil Sand Plastic cover Impervious clay cap Leak detection system Reaction wastes in dreams Double leachate collection system Plastic double liner monitoring well Above Ground Hazardous Waste Disposal transporter Hazardous waste Support/


SOLID WASTE.

. regulations Most MDC have agreed to stop shipping hazardous & toxic waste to LDC, but still occurs. EX: 1999, Bel Trang, Cambodia received 3000 tons of incinerated plastic waste. Happy residents used packaging from waste for rice storage, bedding, roofing. Ended up with mercury poisoning. Plastic company paid a $3 million bribe to Cambodian officials to dispose of their waste. Went back to pick it up, but damage already done/


Waste and Recycling Notes Waste Disposal

cases, and manhole steps. #6 - PS (Polystyrene) PS is found in disposable hot cups, packaging materials (peanuts), & meat trays. PS can be recycled into plastic lumber, cassette tape boxes, and flowerpots. #7 - Other A mixture of various plastics, like squeeze ketchup bottles & “microwaveable” dishes. Nuclear Waste The safe disposal of radioactive wastes is the problem. Radioactive wastes must be stored in an isolated area where they can’t contaminate/


Green Ecological Engineering WASTE PLASTIC RE-CYCLING SOLUTIONS EXECUTIVE SUMMARY PRESENTATION Private and ConfidentialAugust 2014.

from petro-chemical origins  Their initial cost is sky-rocketing along with the oil price  Virgin plastic has doubled in price in the last 5 years  Airline and shipping waste plastic is a major issue worldwide Dirty Unrecyclable Plastic Bottles and other refuge MARINE PLASTIC LIFECYCLE 4 Waste Plastic Disposal 5  Disposal of plastic waste is a critical environmental challenge and its re-cycling is facing roadblocks due to its mostly non/


Bio-Medical Waste & Common Bio-Medical Waste Treatment Facility Presented By: Dr. Anoop Hajela (Managing Director) Bhopal Incinerators Ltd.

/ destruction shredding destruction shredding BLACK Plastic bag Plastic bag Cat 5,9,10 Disposal in secure Cat 5,9,10 Disposal in secure landfill landfill Procedure of Bio-Medical Waste Disposal Generation of Waste Segregation at source Collection of Waste Transportation Autoclaving & shredding Autoclaving & shreddingTreatment Incineration Incineration Common Bio-Medical Waste Treatment Facility A set up where biomedical waste, generated from a number of healthcare units, is imparted necessary treatment/


How many years does it take these objects to break down in a landfill? Disposable nappy/diaperPlastic bottle Cotton T shirtPaper bag Leather beltBanana.

What is SDW? garden waste kitchen waste And then: disposal nappies, paper and cardboard, general household sweepings, glass, wood, furniture, scrap metal/white goods, soil, textiles, metal packaging How much is it increasing by? It is increasing by 3 % per year Diapers Kristen Shull Why A Problem? Takes 1 cup crude oil to make plastic for 1 disposable diaper Takes 286 lbs. of plastic (including diaper packaging/


Unit 10 Our Future Planet 10A – Climate Change Chp. 16

landfills Most municipalities are now collecting used electronics for reuse or recycling. Disposal of Hazardous Wastes Landfills – specifically designed for hazardous wastes, stricter standards than sanitary landfills & include solid & watertight liners and leachate removal systems Surface impoundment – shallow pits lined with plastic & an impermeable material such as clay; water is mixed with the hazardous waste, forming a residue as it evaporates; eventually the residue is removed/


Recycling Polymers Revise designer polymers

three ways to dispose of waste plastics: How much waste plastic? In the UK, 3.5 million tonnes of plastic packaging is thrown away each year! There are three ways to dispose of waste plastics: landfill incineration (burning) recycling Each method of disposal has its own advantages and disadvantages. Photo credit: University of Oklahoma Physical Plant Why has the issue of dealing with waste plastic in a cheap and environmentally-friendly way become more important? Disposing of plastics Teacher notes This/


Waste and Recycling Notes. WASTING RESOURCES Solid waste: any unwanted or discarded material we produce that is not a liquid or gas. Municipal solid waste.

battery cases, and manhole steps. #6 - PS (Polystyrene) PS is found in disposable hot cups, packaging materials (peanuts), & meat trays. PS can be recycled into plastic lumber, DVD cases, and flowerpots. #7 - Other A mixture of various plastics, like squeeze ketchup bottles & microwaveable dishes. Nuclear Waste The safe disposal of radioactive wastes is the problem. Radioactive wastes must be stored in an isolated area where they can’t contaminate/


Chapter 19 Waste 19.1 solid Waste 19.2 Reducing Solid Waste 19.3 Hazardous Waste p. 480-503 1.

much faster than the amount of mining or agricultural waste 8 Types of Solid Waste 2. Solid Waste from Manufacturing, Mining and Agriculture Manufacturing and mining waste make up 70% 56% of solid waste from manufacturing (scrap metal, plastics, paper, sludge and ash) You purchase products that have been manufactured 9% is Agricultural waste (crops and manure) if contains fertilizers and pesticides difficult to dispose of 9 Solid Waste Management 1970 only recycled/


Environmental pollution may be defined as, “the unfavorable alteration of our surroundings”. It changes the quality of air, water and land which interferes.

ground water. 4. Burning of some of the industrial wastes (or) domestic wastes (like cans, pesticides, plastics,radio active materials, batteries) produce furans,dioxins and polychlorinated biphenyls, which are harmful to human beings. Solid waste management includes, the waste generation, mode of collection, transportation, segregation of wastes and disposal techniques. Steps Involved in Solid Waste Management (or) Waste Shed Management Two important steps of solid waste (waste shed) management is Reduce/


Environmental Science Unit 6 – Waste (STE 7th ed. Chapter 13)

tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Synthetic liner Sand Clay Pipes collect explosive methane/


Pollution Go to Pollution Practice QuizGo to Pollution Practice Quiz According to ETS, about 25-30 percent of the questions youll see on this exam will.

640 pounds of solid waste each year, including 500 disposable cups and 320 pounds of paper. (E) All statements are true. 13. The major source of solid waste in the United States comes from what source? (A) Homes (B) Factories (C) Agriculture (D) Petroleum refining (E) Mining wastes 14. What is the largest type of domestic solid waste in the United States? (A) Yard wastes (B) Paper (C) Plastic (D) Glass/


SOLID & HAZARDOUS WASTE CHAPTER 21. What happened at Love Canal?

NY City to San Francisco / year. What is Industrial Waste? Scrap metal, plastic, paper, fly-ash and sludge Most is buried or incinerated at site where it is produced. MUNICIPAL SOLID WASTE MSW 1.5% comes from homes and businesses Cause water pollution in fresh and salt water, air pollution, etc. GARBAGE Must be disposed of in landfills and burned. Some is recycled or composted/


Chapter 12 Wastes in the Environment. Old Automobiles In NA, close to 12 million vehicles are discarded In NA, close to 12 million vehicles are discarded.

Disposal Of Solid Waste Open Dumps Open Dumps Now illegal Now illegal Sanitary Landfills Sanitary Landfills Receive close to 55% of the municipal solid waste generated in NA Receive close to 55% of the municipal solid waste generated in NA Compacts waste and buries it under a shallow layer of soil Compacts waste and buries it under a shallow layer of soil Plastic is a special problem, Why? Plastic/ Co. Hooker Chemical Co. Disposed of toxic waste in canal Disposed of toxic waste in canal After filled, covered/


Chapter 16 Waste Generation and Waste Disposal. In 1900 in the U.S. virtually all metal, wood, and glass materials were recycled. After World War II,

a Better Option Reducing is the best way to avoid cost of disposal and all the environmental issues that go along with disposal. Source Reduction – preventing waste generation Much of waste comes from package – Buy unwrapped fruit and vegetables – Buy in bulk – Use recycled goods – Use re-usable bags to shop with instead of plastic Recovering Waste Materials Recovery – recycling and composting is viewed as the next best strategy/


MODULE 17: Management of Specific Infectious Wastes.

–use engineered needles that automatically retract, blunt, resheath, or disable the sharp Sharps Waste Management Sharps should be disposed of in puncture-resistant sharps containers –disposable sharps containers are made of cardboard or plastic –reusable sharps containers are plastic or metal –Low-cost options include clearly marked reuse of plastic bottles or metal cans Sharps Waste Management Sharps handling recommendations –Do not recap needles or bend the needle –Always destroy/


SOLID & HAZARDOUS WASTE CHAPTER 24. TYPES OF WASTE Before the Industrial Revolution, almost all waste was Biodegradable Now most is Nondegradable or hazardous.

San Francisco / year. WHAT IS A HIGH-WASTE SOCIETY? WHAT IS INDUSTRIAL WASTE? Scrap metal, plastic, paper, fly-ash and sludge Most is buried or incinerated at site where it is produced. MUNICIPAL SOLID WASTE MSW 1.5% comes from homes and businesses Cause water pollution in fresh and salt water, air pollution, etc. GARBAGE Must be disposed of in landfills and burned. Some is recycled/


MODULE 11: Healthcare Waste Minimization. Module Overview Describe the waste management hierarchy Describe practices that encourage waste minimization.

taken and generating the intended results –Evaluation of overall environmental performance of projects and activities Examples of Waste Minimization Around the Globe (Blue Book Ch. 6) Reuse of medical devices in Canada: 41% of Canadian hospitals reuse non-disposable medical devices like endoscopes for economic reason Recycling infectious waste in Nepal: NGO ‘Healthcare Foundation’ recycles blood contaminated plastic after autoclaving 40% of handling costs are covered by recycling EMS for/


Chapter 22 Solid and Hazardous Waste. Chapter Overview Questions  What is solid waste and how much do we produce?  How can we produce less solid waste?

tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Synthetic liner Sand Clay Pipes collect explosive methane/


Solid and Hazardous Waste. Disposable? We live in a disposable society, trash is an everyday reality for every American. –What does this term mean?

% Plastic 6.5% Miscellaneous inorganic 1.6% Electronic Waste: A Growing Problem E-waste consists of toxic and hazardous waste such as PVC, lead, mercury, and cadmium. The U.S. produces almost half of the worlds e-waste but only recycles about 10% of it. Figure 22-4 Waste generation is rising in the U.S. In the U.S,, since 1960, waste generation has increased by 2.8 times WASTE DISPOSAL WASTING/


Basic training on Municipal Solid Waste Management for Urban Local Bodies – M2: Rules and Guidelines [Module 2] Rules and Guidelines.

and disposal of plastic waste  ensure environmentally safe process  ensure channelization of plastic waste to recyclers  create awareness amongst stakeholders  engage agencies active in the sector  ban open burning of plastic waste o setting up of plastic waste collection centers  apply Extended Producers Responsibility, approach producers for financing o safe disposal of residues from recycling process o incorporate Plastic Waste Rules in urban bye-laws o play an active role reuse of plastic waste/


Solid, toxic and hazardous waste 21. objectives Identify the major components of waste stream Identify the major components of waste stream Explain the.

and beverage container, wood, concrete, bricks, spray paint can, pesticides, batteries, cleaning solvent, smoke detector, pcbs and plastic that produce dioxins. Waste stream is the source of valuable resource but due to improper disposal methods valuable things are mixed and crushed with the toxic material. WASTE DISPOSAL METHODS WASTE DISPOSAL METHODS OPEN DUMPS It release the hazardous and toxic material in to the air and water. Most developed/


Waste Generation & Waste Disposal Ch 16. What is Solid Waste? Outputs in human systems that include anything not useful or consumed, and non- useful products.

little contamination. – Leachate – water that leaches (passes through) the solid waste & removes various chemical compounds Harmful Can be transported outside of the dump/landfill Fate of MSW in US. Majority is disposed in landfills Sanitary Landfills Lined at bottom with plastic or clay (impermeable-impedes water flow) System of pipes below landfill to collect leachate Cover of soil & clay called a cap to cover landfill when it/


ENVIRONMENTAL POLLUTION By Mr.C.R.Girish, Dept of Chemical Engg, MIT.

, gasoline, plastics, pesticides, cleaning solvents, detergent and many other chemicals. These are harmful to aquatic life and human health. They get into the water directly from industrial activity either from improper handling of the chemicals in industries and more often from improper and illegal disposal of chemical wastes. Radioactive Substances  Very little is known about the threshold of radiation damage to aquatic environment from wastes of uranium and/


Solid and Hazardous Waste. WASTING RESOURCES  Solid waste: any unwanted or discarded material we produce that is not a liquid or gas. Municipal solid.

tank Leachate monitoring well Groundwater monitoring well Electricity generator building Leachate treatment system Methane gas recovery well Compacted solid waste Leachate pipes Leachate pumped up to storage tank for safe disposal Groundwater Clay and plastic lining to prevent leaks; pipes collect leachate from bottom of landfill Topsoil Sand Clay Subsoil Probes to detect methane leaks Garbage Synthetic liner Sand Clay Pipes collect explosive methane/


Waste Generation & Waste Disposal Ch 16. What is Solid Waste? Outputs in human systems that include anything not useful or consumed, and non- useful products.

little contamination. – Leachate – water that leaches (passes through) the solid waste & removes various chemical compounds Harmful Can be transported outside of the dump/landfill Fate of MSW in US. Majority is disposed in landfills Sanitary Landfills Lined at bottom with plastic or clay (impermeable-impedes water flow) System of pipes below landfill to collect leachate Cover of soil & clay called a cap to cover landfill when it/


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