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Biodegradability and Disposal of Polymers
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spee chemically inert and non-biodegradable. spee, Polyestere be broken down by hydrolysis and are biodegradable. SPEC The advantages and disadvantages of different methods of disposal of polymers, including recycling. SPEC Explain why polyesters and polyamides can be hydrolysed but polyalkenes cannot. Difference in Biodegradability between Addition and Polyalkenes are | Why Addition Polymers (Polyal kenes) and polyamides can PROS Chemically inert & non-biodegradable. be hydrolyzed? they not Different Methods CONS · Bonds between repeating units ore non-polar . So not susceptible to attack by nucleophiles Biodegradability and Disposal of Polymers Ⓒ Burying (put it in landfills) Cheap Easy method Can of Disposal of Polymers Burying in landfill Requires area of land • Methane (greenhouse gas released when waste decomposes • Toxing are released when waste decomposes which could contaminate water supplies Waste plastics Burning as fuel Sorting 3 Burning PROS CONS Condensation Polymers • Heat from burning used generate electricity Cracking Condensation Polymers (Polyesters and polyamides) → Broken down by hydrolysis and are biodegradable why can they be hydrolysed? Remoulding • Toxic gases produced which have to be removed Released co₂ will contribute to the greenhouse effect are · Bonds between repeating units are polar .. So susceptible to attack by nucleophiles water Processing New objects to New plastics Other chemicals Recycling different methods for disposing of waste plastic. 3 Recycling young PROS such CONS as Reduces amount of into land fill • Savas raw materials 08 oil is non-renewable) Cast of recycling plastics lower than making plastics from Produces less CO₂ emissions thap burning plastic waste going (important Techically difficult Collecting, sorting and processing plastic is more expensive than boring / land fill Plastic can be easily contaminated during recycling
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Biodegradability and Disposal of Polymers
Biodegradability and Disposal of Polymers
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spee chemically inert and non-biodegradable. spee, Polyestere be broken down by hydrolysis and are biodegradable. SPEC The advantages and disadvantages of different methods of disposal of polymers, including recycling. SPEC Explain why polyesters and polyamides can be hydrolysed but polyalkenes cannot. Difference in Biodegradability between Addition and Polyalkenes are | Why Addition Polymers (Polyal kenes) and polyamides can PROS Chemically inert & non-biodegradable. be hydrolyzed? they not Different Methods CONS · Bonds between repeating units ore non-polar . So not susceptible to attack by nucleophiles Biodegradability and Disposal of Polymers Ⓒ Burying (put it in landfills) Cheap Easy method Can of Disposal of Polymers Burying in landfill Requires area of land • Methane (greenhouse gas released when waste decomposes • Toxing are released when waste decomposes which could contaminate water supplies Waste plastics Burning as fuel Sorting 3 Burning PROS CONS Condensation Polymers • Heat from burning used generate electricity Cracking Condensation Polymers (Polyesters and polyamides) → Broken down by hydrolysis and are biodegradable why can they be hydrolysed? Remoulding • Toxic gases produced which have to be removed Released co₂ will contribute to the greenhouse effect are · Bonds between repeating units are polar .. So susceptible to attack by nucleophiles water Processing New objects to New plastics Other chemicals Recycling different methods for disposing of waste plastic. 3 Recycling young PROS such CONS as Reduces amount of into land fill • Savas raw materials 08 oil is non-renewable) Cast of recycling plastics lower than making plastics from Produces less CO₂ emissions thap burning plastic waste going (important Techically difficult Collecting, sorting and processing plastic is more expensive than boring / land fill Plastic can be easily contaminated during recycling
spee chemically inert and non-biodegradable. spee, Polyestere be broken down by hydrolysis and are biodegradable. SPEC The advantages and disadvantages of different methods of disposal of polymers, including recycling. SPEC Explain why polyesters and polyamides can be hydrolysed but polyalkenes cannot. Difference in Biodegradability between Addition and Polyalkenes are | Why Addition Polymers (Polyal kenes) and polyamides can PROS Chemically inert & non-biodegradable. be hydrolyzed? they not Different Methods CONS · Bonds between repeating units ore non-polar . So not susceptible to attack by nucleophiles Biodegradability and Disposal of Polymers Ⓒ Burying (put it in landfills) Cheap Easy method Can of Disposal of Polymers Burying in landfill Requires area of land • Methane (greenhouse gas released when waste decomposes • Toxing are released when waste decomposes which could contaminate water supplies Waste plastics Burning as fuel Sorting 3 Burning PROS CONS Condensation Polymers • Heat from burning used generate electricity Cracking Condensation Polymers (Polyesters and polyamides) → Broken down by hydrolysis and are biodegradable why can they be hydrolysed? Remoulding • Toxic gases produced which have to be removed Released co₂ will contribute to the greenhouse effect are · Bonds between repeating units are polar .. So susceptible to attack by nucleophiles water Processing New objects to New plastics Other chemicals Recycling different methods for disposing of waste plastic. 3 Recycling young PROS such CONS as Reduces amount of into land fill • Savas raw materials 08 oil is non-renewable) Cast of recycling plastics lower than making plastics from Produces less CO₂ emissions thap burning plastic waste going (important Techically difficult Collecting, sorting and processing plastic is more expensive than boring / land fill Plastic can be easily contaminated during recycling
Can't find what you're looking for? Explore other subjects.
Knowunity is the # 1 ranked education app in five European countries
Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.
Still not sure? Look at what your fellow peers are saying...
iOS User
I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D
Stefan S, iOS User
The application is very simple and well designed. So far I have found what I was looking for :D
SuSSan, iOS User