Currently in Singapore we have reverse osmosis and microfiltration, flocculation being the later stage of the part. Surprised that it was mentioned here.
Hi Priya, we used alum (aluminum sulfate) flocculant. If I remember correctly we used a hydrated form: Al2(SO4)3•16H2O. We made a 2.5% solution by volume with the flocculant and potable water.
Great vid, thank you! We just bought a Lovibond flocculator today in work, I set it up and we will be using it over the next few wks. Great to get a simple overview as to what's it all about.
Alum and Ferric are cationic coagulants, not flocculants. Cationic coagulants neutralize the net negative charges on the suspended solids which allows the colloidal particles to naturally join together as you demonstrate. Flocculation, if necessary, follows coagulation and is done with very high molecular weight, long chain polymers.
a very good explanation, i was wondering what it meant. I got past the term by a yeast for beer, became curious and used the search term on youtube and got a clear explanation. my beer will be much clearer now, hope my mind stays clear too ;)
Flocculation works by precipitating colloids that are larger than the dissolved ions that are in seawater. To remove these ions requires a distiller, as NetView2011 pointed out, or use of other methods including reverse osmosis! Not all desalination plants are distillers. In fact, according to the International Desalination Association, about 60% of the world's desalinated water in 2012 came from reverse osmosis, which uses large pumps to force water through arrays of special membranes.
There are predominantly two forces that work between the colloids. A repulsive force and an attractive force. The repulsive force is an electrostatic force and works just like two magnets of the same polarity coming into proximty. The attractive force is called the London attractive force and is due to quantum fluctuations.
if well water is high in ferrous soluble iron. can i use alum to make it fall out? i have used h202 to oxidize the ferrous water, it turns into a ferric hydroxide floc, however it takes the solod floc 6-8 hours to settle to the bottom. is there a coagulatant that i can use to speed up the process so that it settles put faster? cheers.
Hello Can I ask do you know exactly the difference between TOC , DOC , Turbidity? could you help me with this Humic acid and fluvic acids are a cause of turbidity or DOC? Thanks alot
So about how many mg of Alum did you put into the beaker. The volume of the solution was mentioned but not the concentration of the solution or mass of alum.
umm finally i'm learning some science. thank you. but i have a question, is there any flocculation method for sea salt water? how can we make sea water drinkable?
When you add flocculent to precipitate out iron from a pool how much aluminum is left in the pool? How dangerous is it to ingest aluminum if you swallow pool water with leftover aluminum?
5:00; How can water be 'TASTY'? It's tasteless. By the way, the video was great and the only one available on youtube which to some extent explained flocculation.
By saying this apparently you have never tasted and never know the different taste of water from well, mountain river, melted mountain ice, water from RO system, etc...Even tap water the taste will be different depending on the chlorine content in it.
Very nice presentation of the process of coagulation and flocculation. However the distinction between coagulation and flocculation is not made and may be confusing to majority of people who use that terminology.
Great point, Subhash. This distinction was not clear to Mohammad and I when we made the video. After more reading, it is now clearer to me. Flocculation is when colloidal particles clump together (because their double layer is reduced) and they retain their individual identity. Coagulation is when the colloidal particles clump and then fuse together to make a single bigger particle.
I didn’t know you could use something like Alum for this!!! I used to use Alum to make crystals when I was a kid! ^^ So...after flocculation using alum, skimming and filtering the water a few times, is the water safe to drink?
The alum crystal is made of KAl(So4), this alum is made of Al2(So4)3. they are not the same, also the alum crystal isnt be used for water filtration. Dont try it
Hi. What happens, for example, if i use this method to flocculate water with a clay content ? I´m interested to know about the flocculate material instead of water, the final material is completly diferent from the original one (after dry) or the material turn back to clay powder after dried ?
U explained very clearly perfectly....even a student who's not a science background can also understand..... thanks....keep going 👍🏻👍🏻
Currently in Singapore we have reverse osmosis and microfiltration, flocculation being the later stage of the part. Surprised that it was mentioned here.
Hi Priya, we used alum (aluminum sulfate) flocculant. If I remember correctly we used a hydrated form: Al2(SO4)3•16H2O. We made a 2.5% solution by volume with the flocculant and potable water.
Got 2nd year chemistry exams today. You just saved me. Thank you
Great vid, thank you! We just bought a Lovibond flocculator today in work, I set it up and we will be using it over the next few wks. Great to get a simple overview as to what's it all about.
super clear explanation! thanks for keeping it simple.
Alum and Ferric are cationic coagulants, not flocculants. Cationic coagulants neutralize the net negative charges on the suspended solids which allows the colloidal particles to naturally join together as you demonstrate. Flocculation, if necessary, follows coagulation and is done with very high molecular weight, long chain polymers.
David Betzman what is the main difference between coagulation and flocculation
Ankit Soni Coagulation is a biological/ Chemical process while the Flocculation is a physical process (mixing).
Thanks for correcting this video. It's upside down.
Sir can u pls help me
I am working on a project
Plz tell whether I'll have to mix both Alum and Ferric for the flocculant solution
@@amruthabhat3925 Dear Amruthavalli, you could just choose Poly Aluminium Chloride, Ferric Chloride, Polyacrylamide, one of them is ok
really nice work, very grateful for your contribution to science broadcasting.
i tried flocculation once but my mom caught me and said i would go blind if i continue. needless to say i stoped when i needed glasses.
Great work - thanks for such a clean and understandable explanation.
a very good explanation, i was wondering what it meant. I got past the term by a yeast for beer, became curious and used the search term on youtube and got a clear explanation. my beer will be much clearer now, hope my mind stays clear too ;)
Great information! Is there an affordable, widely available safe flocculant for household use in the developing world?
Brilliant explanation sir.....u made me understand every bit of it👍
Great explanation. As clear as the treated water
thank you. very helpful, well explained.
Flocculation works by precipitating colloids that are larger than the dissolved ions that are in seawater. To remove these ions requires a distiller, as NetView2011 pointed out, or use of other methods including reverse osmosis! Not all desalination plants are distillers. In fact, according to the International Desalination Association, about 60% of the world's desalinated water in 2012 came from reverse osmosis, which uses large pumps to force water through arrays of special membranes.
excellent explanation... thank you a lot.. :) really very nice
oh my God! this video is freaking amazing
Thank you for the explanation! Zoooom
There are predominantly two forces that work between the colloids. A repulsive force and an attractive force. The repulsive force is an electrostatic force and works just like two magnets of the same polarity coming into proximty. The attractive force is called the London attractive force and is due to quantum fluctuations.
youre explaining better than my lecturer did haha
Really impressive explanation. Sir upload videos like this. Thank you sir so much. I can't appreciate you using words. 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏
Thank you very much.. One of the best lecture l ever seen..
Best fucking explanation with best illustrations dude. My thumbs up
"Love that dirty water..." ;)
Is this really easier/cheaper than making a simple still and burning anything burnable, or even the Sun, for heat?
Very well explained, thanks so much for the help!
Nice work with this video. Terrific explanation.
Linseed
Great explanation 😊
Best explanation ever👍🏻
seems like the flocculants might be toxic too. Alum? Is Chlorine a flocculant?
So why would one add a coagulant before a adding the polymer?
That was a great explanation. I work in water treatment and will share this with others having to give educational presentations.
This is the best video i have found so far thanks👍👍👍
What is the disadvantage of using flocculant over mechanical filter based on water quality ?
if well water is high in ferrous soluble iron. can i use alum to make it fall out?
i have used h202 to oxidize the ferrous water, it turns into a ferric hydroxide floc, however it takes the solod floc 6-8 hours to settle to the bottom.
is there a coagulatant that i can use to speed up the process so that it settles put faster?
cheers.
Hello
Can I ask do you know exactly the difference between TOC , DOC , Turbidity?
could you help me with this
Humic acid and fluvic acids are a cause of turbidity or DOC?
Thanks alot
Thank you
GOOD JOB!!!! thank you! it helped me for my chemical written assessment!!
Waoo...very educating simplified...thumb up!
So about how many mg of Alum did you put into the beaker. The volume of the solution was mentioned but not the concentration of the solution or mass of alum.
2.5 grams of Alum in 100ml distilled or tap water for 2.5% solution.
Thank you a very easy and simple explanation I was reading psm and this came in rapid sand filter
Ohhh Nice! Btw this method is called Loading!✌🏻💕
Yah! Its in my sciene book. 👍🏻😊
What is the 3 ml of flocculant solution that you used in the experiment?
Aluminium Hydroxide
That's perfect. Thanks!
best method of explantion
Simple explanation - easy understand.
What happens if you leave the flocs are left to keep circulating. Will they stay as flocs forever?
The most easily understandable video I've seen❤️❤️❤️
umm finally i'm learning some science. thank you. but i have a question, is there any flocculation method for sea salt water? how can we make sea water drinkable?
THANK YOU FOR POSTING THIS VIDEO SIR
Realllllllllyyyyyyyyyy informative
Subscribed !!
Cheers!!!!
brilliantly explained
Thank you for explaining all this in a fun way :)
Do you know the dangers of ingesting a little bit of aluminum?
oyster, shrimp (filter feeder) maybe can filter water
THAT was GREAT! Thanks!
When you add flocculent to precipitate out iron from a pool how much aluminum is left in the pool? How dangerous is it to ingest aluminum if you swallow pool water with leftover aluminum?
Thank you for a clear consis video.
Hey can you plz tell the concentration of alum solution?
thanks for the information.
Can flocculants work in oil
Agreed. I've heard of the like likes like phenomena to, so I am sort of at a loss because it seems that colloids can attract and repel?
Helpful explanation with practical
Thanks🙂😊
Thanks so much
What is the concentration of aluminum sulfate added?
Thank you for the video...
thanks for you about this information 👍
Thanks mister,,
What is the medicine mister,,
Thanks for this, I wish you were my teacher
So what happens with the tap water from Flint, Michigan?
Would you drink the tap water from Flint?
Soil water mixed superb yes or no
5:00; How can water be 'TASTY'?
It's tasteless.
By the way, the video was great and the only one available on youtube which to some extent explained flocculation.
If you're thirsty then it's tasty
when water has minerals in it it can be delicious
By saying this apparently you have never tasted and never know the different taste of water from well, mountain river, melted mountain ice, water from RO system, etc...Even tap water the taste will be different depending on the chlorine content in it.
How much alum will flocculate a six thousand litre water tank?
with the help of this video i got some knowledge.>>>>
Very nice presentation of the process of coagulation and flocculation. However the distinction between coagulation and flocculation is not made and may be confusing to majority of people who use that terminology.
Great point, Subhash. This distinction was not clear to Mohammad and I when we made the video. After more reading, it is now clearer to me.
Flocculation is when colloidal particles clump together (because their double layer is reduced) and they retain their individual identity.
Coagulation is when the colloidal particles clump and then fuse together to make a single bigger particle.
Can u make video on inert pair effect and inter electron repulsion
nice vedio with very detailed and with easy understandability
This is almost like alchemy science but in reverse.
brilliant video, thank you!
How do I.use it in diesels fuels?
Amazing Explaination Thank you ❤️
Amazing explanation
can you make video on flocculation vs coagulation ?
We used anionic polymer and polyaluminum chloride for flocculation. .
We are the manufacturer for those polymer chemicals, if you need them, pls contact me +86-13963931194
great explanation
How long does it take for flocs to separate?
can we use water that is cleaned by alum for drinking.
great video. Thankyou :D
I didn’t know you could use something like Alum for this!!! I used to use Alum to make crystals when I was a kid! ^^
So...after flocculation using alum, skimming and filtering the water a few times, is the water safe to drink?
The alum crystal is made of KAl(So4), this alum is made of Al2(So4)3. they are not the same, also the alum crystal isnt be used for water filtration. Dont try it
Hi. What happens, for example, if i use this method to flocculate water with a clay content ? I´m interested to know about the flocculate material instead of water, the final material is completly diferent from the original one (after dry) or the material turn back to clay powder after dried ?
Great explanation 👍
Was the control also skimmed and filtered?
Extremely helpful.
Making clean and tasty water with cool science!
how much water is given flocculant for each?
Good explanation.... Keep it up👍👍
it helps me ALOT !!! thank u :*
how do we sepeate dissolved detergent and soap from water?
Excellent
Really cool video!