L11 : Green chemistry & waste management - Environmental Chemistry, Class 11 Video Lecture

hello friends this video and environment
chemistry part lemon is brought to you
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it also cost now the question is how to
control the imitation we have seen
different lengths in environment is
pollution air pollution water pollution
soil pollution the question is how to
control it
the first is waste math and the other is
green crystals with these the end easily
control in Miami - polishes what is
range management
each management is nothing but it talks
about the not biodegradable please which
you have you should handle it properly
it's a waste you can be from household
waste it can be medical waste
I gotta consider waste industrial waste
or - major category of waste it has to
be handled on me so Jenni the domestic
waste is first correctly in this bin
dustman's gone and then from the private
in the musical tracks it moves and if
they are collected and then it goes to a
disposable site so this truck will take
you want disposable side there the
garbage is sorted out based on
biodegradable and non biodegradable
waste this process is meaning in many
other cities where the government is
asking people to segregate the waste
into biodegradable and non value to
waste right just to reduce the work of
the people who are getting it and then
the non biodegradable waste plastic -
fair to talk they are sent for recycling
and the biodegradable waste are
deposited in the land fillings and they
convert into compost so if you see here
the Florida Sun this is non
biodegradable and my ID will be there
separating it out these these goes for
recycling in the non biodegradable and
the biodegradable our deposit in
landfills and they come here into
compost
this is the basement with this you
create quality and right if you create
mobile phones or electronic gathers of
plastic but if you handle it properly it
won't cause pollution because the
plastics norm are it goes for recycling
and the one you shall biodegradable is
depositing the line in the landfill
correct so if you don't collect this
waste properly in the comments it can go
into save as you can block the series
system or even if the antecedent example
call the cattle they eat this they may
die because if they eat pollen is a
polybag of the Menace facts they may
choke and they midni so the waste
management is very critical
the next is green chemistry what do you
think if I told there's a bunch of
people who are just who know people
actually they have destroyed our that
yeah it hurt
and then there were a bunch of people
they told you know who want to see it
nation look at old okay let's understand
the cause of Polish and then this
chemist friend who to look and I can
find the cause of pollution Felipe's and
it old yes
I found the pollution cause now whatever
you know the pollution cause which will
explain which you have learned in this
chapter in my new community but there
has to be someone over 1100 has to
implement this right learn this history
can there's a bunch of its science can
say that maybe implement the ideas to
make earth a better place so this is
people told ok we'll find we found the
cause of pollution from this guy this
chemist told us the cause of pollution
let's work on it to reduce the pollution
source
please don't it is to reduce the
pollution at its source
this is the basic concept of green
chemistry right what is really mystic
you see it is nothing but utilizing the
existing knowledge you reduce the impact
adverse impact on human to function like
it's all about developing new chemical
products new chemical process or
improving the existing process to make
it less harmful to human ambition the
aspect jelly covered in this image being
image strains used less harmful starting
material then you mind the vegetable
Asian the whole process try to minimize
the waste generation
and make sure the final product and the
by product a she is by product be my by
product which you get is non-toxic right
and if possible search for more
eco-friendly contractors we give some
examples of the industry
see for example in a chemical reaction
right we have reagents you have a medium
finish the reaction take things so the
whole reaction depends on the parameter
so if I'm reaction a plus we five meters
are coming into play here the catalyst
the temperature right the pressure so
what if we can play with the start-up
address and make sure that the reaction
happens fast or there is many more waste
or non-toxic things are used right the
green chemistry is all about using
tweaking the reactions finding better
ways to make sure that we get
environmental friendly for us so see the
other aspect green chemistry is to
recycle the waste example if you see the
plastic waste has high octane rating
right and it doesn't have leather so it
can be good fuel it can be good few the
plastics waste right and if you see the
textiles industry the clan is bad we'll
make textile from the recycled plastic
piece still is going on but soon we'll
have a textile from the recycled plastic
you'll also if you see there is a
provision of producing electricity from
garbage we have tons of garbage we have
we don't have much literacy there is a
provision to prepare electricity from
garbage using biogas this is a pilot
project going on where
you see you take the garbage remove the
metals plastic paper etc and you culture
it in some bacteria it produce methane
gas and this means that gas can be used
to produce an industry they are we is
right into this garbage which is the
content and we are using burning coal to
produce electricity adding more
pollution why not combine these two add
up and from this you prepare biogas and
then electricity so you save coal and in
this case you somehow find a sink for
this politic right here also with the
further normal extra industry we spend
so much electricity and chemicals for
creating next time if we can use the sir
plastic base to be a textile rate you
can find the same for all this plastic
waste lot of research is going on in
this area and the green chemistry is the
one which is leading this area we can
take some example of doing in the street
not a real-life example trying dry
cleaning of clothes see earlier
tetrachloromethane
that is si si and non-si CND was used as
a solvent front dry cleaning so it
contaminates water and also it's
considerably casi amo genic so now
liquid carbon dioxide and it project is
used for cleaning the next example is
bleaching of paper see earlier chlorine
was used so earlier chlorine was used
but now as to who is used catalysis so
in this case the first I told earlier my
territory within was used right this is
not use now now covered by said and
detergent is usually the next example
has chemical synthesis so many chemicals
if you see example ch3cooh but in this
case well if you see
you can prepare with 90% efficiency in
one step oscillation method only you
take it you take ops need Italian guard
lest to get sewage through sewers so
earlier it was a complicated process but
a lot of fish now we have got a better
processor a little less beast so with
all these things right so you tend to
decrease the pollutant which means
productivity and that's all green
chemistry is all about because see
whatever we a but chief right the
quality of life we have got down if you
compare life with your assistants like
defense the mobile phone their TV
laptops and in fact you're watching this
video in youtube because of technology
right so this technology has helped a
lot but that's cause the polishing so
there two option one is stop everything
let's go back to the head culture here
that is not good right the other is to
smartly under the polish and this is
smart way to handle a function that
turns green chemistry that's all thank
you
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