NEET Exam > NEET Videos > Methods to Remove Temporary and Permanent Hardness (part - 2)
Methods to Remove Temporary and Permanent Hardness (part - 2) Video Lecture
Text Transcript from Video
hello friends this video in hydrogen
part 17 is brought to you by exam fear
calm no more fear from exam the next one
was the eyelid methods in the first
ionic method we have this inorganic
election method right so in the organic
method the ions of the hard water are
exchanged for less damaging ions example
in this case the my answer is C plus
ions ID or mg plus 2 ions these will be
replaced with some less damaging fines
and we have two methods organic cation
exchange rate in organic one so this is
the first we study this in organic ion
exchange method so in the earlier method
we saw the calculation you should trap
the calcium magnesium has here you
should of topping it will kick out the
calcium and magnesium ions so in this
case my hair inorganic salt is used and
that allied the name of this you know
Jannik salt is used and that is nothing
but sodium silicate and the formula is
yes I to eat dot NHD this is the formula
of the silicon and this complex salt is
called Zeeland and this has a unique
property of exchanging the calcium and
magnesium ions exchange it exchange the
calcium magnesium ins and just for
simplicity inching of writing this big
thing and it to voting this thing I
write as Z so what does formula will
become this becomes in A to Z right
because any to is this only any to an 8
- s I - o NH - elegant
is it correct so what happens here is
you have the hard water e pumping water
here
this hard water goes through this sand
region you could divide little bit once
it'll verify it passes through this is
your like and this is your end is
nothing but my elite music right so this
any 2z reacts with water i write the
reaction here na to say this reacts with
water water
it's react with that suppose we have
chlorine side CAC and to mgcl2 so let us
assume the hardness is MC 8 this is the
culprit right that's the culprit cause
hardness and it reacts what becomes is
this m is that they become MZ + 2 minus
e so now if you see the chlorine ions is
gone it becomes NSEL correct so it you
know it not cause hardness and this guy
is becoming MZ hey so this guy is again
want to enter the hardest because MZ is
anyway this it will be here early late
MZ is like a hard structure so see the
thing was its sign with any to z and
after some time after some time it
should have any twos it would become MJ
okay see you when you start with any
digit that is mines you light and then
it passes to the sign that it passes to
this is your light is your light
what happens is my this amp is nothing
but my calcium or magnesium ions are
park now right may calcium and magnesium
ions are trapped here only else for me
calcium are trapped here only right so
okay I'll say man mmm is nothing but my
calcium and you can see all making yeah
so these are trapped in this is you like
okay and now here the pure water is this
you get any see now what happens is
since
my zeolite became from any to say to
become himself that means it is no
longer in canal number be used right
because this is MZ I need if it's MZ
that it has calcium it is of no use to
be correct because in this if it is MZ
and if I atoms here to no reaction no
reaction correct
I don't in him that I need em and they
to say but after some time na Tuesday it
became M cell right maybe after one or
two are so what happens is I have to
again get MZ because this is industrial
cleaning of water so I can't compromise
with this so I have to make it again
MZ so what will I do do this I sprinkle
any seal from here right
the moment I sprinkle it is CL what
happens is my M said which I have it
reacts with NaCl he gives any to say and
this is again back one that is back
everything is clean right because there
is buggy with mystery are you again the
process of water soft in stock correct
so hard water comes in here it reacts
with zeolite the zeolite traps the
calcium in the magnesium ions then you
have the three water the fresh water
often sometime this is your light is
exhausted
how many to set it becomes Kinsey
Hemmings that instead of using M that
let me use C is it or mgz because it was
more clear
cats income CA 0 mg dead now it can't be
used for them so we just stop everything
for any cm here sprinkle NaCl solution
NaCl solution so that what happens is
the zeolite is again return back to its
actors T then again we start the water
filtering costs it is the wastewater
comes here right as you change really
and is he or not the wage what are all
these things comes here and thank you
visit exam Viacom to watch free
educational videos try free online tests
get the best quality study materials
study from the best tutors and mentors
and much more
thanks again
part 17 is brought to you by exam fear
calm no more fear from exam the next one
was the eyelid methods in the first
ionic method we have this inorganic
election method right so in the organic
method the ions of the hard water are
exchanged for less damaging ions example
in this case the my answer is C plus
ions ID or mg plus 2 ions these will be
replaced with some less damaging fines
and we have two methods organic cation
exchange rate in organic one so this is
the first we study this in organic ion
exchange method so in the earlier method
we saw the calculation you should trap
the calcium magnesium has here you
should of topping it will kick out the
calcium and magnesium ions so in this
case my hair inorganic salt is used and
that allied the name of this you know
Jannik salt is used and that is nothing
but sodium silicate and the formula is
yes I to eat dot NHD this is the formula
of the silicon and this complex salt is
called Zeeland and this has a unique
property of exchanging the calcium and
magnesium ions exchange it exchange the
calcium magnesium ins and just for
simplicity inching of writing this big
thing and it to voting this thing I
write as Z so what does formula will
become this becomes in A to Z right
because any to is this only any to an 8
- s I - o NH - elegant
is it correct so what happens here is
you have the hard water e pumping water
here
this hard water goes through this sand
region you could divide little bit once
it'll verify it passes through this is
your like and this is your end is
nothing but my elite music right so this
any 2z reacts with water i write the
reaction here na to say this reacts with
water water
it's react with that suppose we have
chlorine side CAC and to mgcl2 so let us
assume the hardness is MC 8 this is the
culprit right that's the culprit cause
hardness and it reacts what becomes is
this m is that they become MZ + 2 minus
e so now if you see the chlorine ions is
gone it becomes NSEL correct so it you
know it not cause hardness and this guy
is becoming MZ hey so this guy is again
want to enter the hardest because MZ is
anyway this it will be here early late
MZ is like a hard structure so see the
thing was its sign with any to z and
after some time after some time it
should have any twos it would become MJ
okay see you when you start with any
digit that is mines you light and then
it passes to the sign that it passes to
this is your light is your light
what happens is my this amp is nothing
but my calcium or magnesium ions are
park now right may calcium and magnesium
ions are trapped here only else for me
calcium are trapped here only right so
okay I'll say man mmm is nothing but my
calcium and you can see all making yeah
so these are trapped in this is you like
okay and now here the pure water is this
you get any see now what happens is
since
my zeolite became from any to say to
become himself that means it is no
longer in canal number be used right
because this is MZ I need if it's MZ
that it has calcium it is of no use to
be correct because in this if it is MZ
and if I atoms here to no reaction no
reaction correct
I don't in him that I need em and they
to say but after some time na Tuesday it
became M cell right maybe after one or
two are so what happens is I have to
again get MZ because this is industrial
cleaning of water so I can't compromise
with this so I have to make it again
MZ so what will I do do this I sprinkle
any seal from here right
the moment I sprinkle it is CL what
happens is my M said which I have it
reacts with NaCl he gives any to say and
this is again back one that is back
everything is clean right because there
is buggy with mystery are you again the
process of water soft in stock correct
so hard water comes in here it reacts
with zeolite the zeolite traps the
calcium in the magnesium ions then you
have the three water the fresh water
often sometime this is your light is
exhausted
how many to set it becomes Kinsey
Hemmings that instead of using M that
let me use C is it or mgz because it was
more clear
cats income CA 0 mg dead now it can't be
used for them so we just stop everything
for any cm here sprinkle NaCl solution
NaCl solution so that what happens is
the zeolite is again return back to its
actors T then again we start the water
filtering costs it is the wastewater
comes here right as you change really
and is he or not the wage what are all
these things comes here and thank you
visit exam Viacom to watch free
educational videos try free online tests
get the best quality study materials
study from the best tutors and mentors
and much more
thanks again
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Apr 22, 2026 Last updated
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