Filtration of Water | Purification of Water | Part - 03 | Environmental Engineering

Filtration of Water | Purification of Water | Part – 03 | Environmental Engineering



Purification of Water | Filtration of Water
00:38 This sand required for filtration of the properties.

01:38 Slow Sand Filtration
Slow sand filtration is a type of centralised or semi-centralised water purification system. A well-designed and properly maintained slow sand filter (SSF) effectively removes turbidity and pathogenic organisms through various biological, physical and chemical processes in a single treatment step.

02:38 Rapid Sand Filtration
The rapid sand filter or rapid gravity filter is a type of filter used in water purification and is commonly used in municipal drinking water facilities as part of a multiple-stage treatment system.

03:30 Pressure Filtration
Pressure filters are in many respects similar to conventional rapid filters. The main differences are that the media is contained in a pressure vessel (such as a steel tank) and that they are operated under pressure provided by means of a pump or high-pressure water source on the influent side rather than gravity.
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Purification of Water Part 1 –
(Screening and Sedimentation)
Purification of Water Part 3 –
(Disinfection of Water)
Purification of Water Part 04 –
(Hardness & Softening of Water)
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Original Video Source

AquaDrum Water Purification System Review

AquaDrum Water Purification System Review



“I received this product for free in exchange for an honest and unbiased review.”

A full review and demo of the AquaDrum™ Water Purification System for 55-gallon, 30-gallon, and 15-gallon drums. This purification system includes a water filter, tubing, an emergency hand pump, and a USB (Micro) rechargeable pump.

The AquaDrum™ Water Purification System is a 55-gallon drum water filter and pump by Sagan Life.

The AquaDrum Water Purification System allows us to pump water from our emergency water storage while filtering it simultaneously. This is ideal for water catchment systems that may need to be used during a SHTF event.

You can find this 55-gallon pump and filter system at:

Review by Brian D. Hawkins, Next Step Survival

Original Video Source

Water filtration system, water purification machine, water filter

Water filtration system, water purification machine, water filter



E-mail::sales@hsfilling.com Web:www.hsfilling.net
Water Filtration System
(1) Raw water Tank: The Raw Water tank store the raw water, it to ensure the stability of water pressure.
The stability of water pressure can prolong the service life of raw water pump.
(2) Raw Water Pump: In order to the raw water through the pretreatment filter, we install a raw warter pump
to increase the water pressure.
(3) Dosing Pump: The dosing pump can put the flocculant into the raw water. The flocculant can adsorb the suspended
solid in water, the flocculant together(coagulate) the suspended solid to big suspended solid. Let the suspended solid
easyly removed. The dosing pump in front of reverse osmosis membrane can put the scale inhibitor in the water. To
prevent the reverse osmosis membrane from blocking.
(4) Quartz sand filter: Quartz sand filter can remove the suspended solid in water. if your water contain more iron,
we will put the manganese sand to the bottle of Quartz sand filter. The manganese sand can oxide the iron and adsorption.
(5) Activated Carbon Filter: The activated carbon adsorb the color, odor and chlorine.
(6) Resin Systen(Filter): If your water is hard, your water contain the more calcium and magesium. The resin can lower the
content of the calcium and magesium in water. The principle is ion exchange.
(7) Brine Tank: The brine in the tank, the brine can remove the calcium and magesium. The principle is ion exchange.
(8) Precision Filter: The pp cartridge installed on the precision filter, The pore of pp cartridge is 1-5um. so that the precision
filter can remove the more small impurities to protect the reverse osmosis membrane.
(9) High Presure Pump: To increase the water pressure, let the water through reverse osmosis membrane.
(10) Reverse Osmosis Membrane: Because the pore of the reverse osmosis membrane is 0.1nm. The pore of the bacteria is
0.5-1um and the pore of the virus is 0.018-0.022um. So the reverse osmosis membrane can remove the bacteria and virus.
Also the reverse osmosis can remove lot kinds of the matter. for example: NaCl, CaCl2, MgSO4, NaF, NaCN(ph 11),
SiO2(50 ppm), NaHCO3, NaNo3, MgCl2, CaCl2, MgSO4,NiSO4, CuSO4, CuSO4, HCHO,AS.
(11) Oxygen Generator: Let the pure water become to oxygenated water.
(12) Ozone Generator: The ozone generator can keep the water fresh, and also can sterilize the water.
(13) Mixing Pump: To mix water and oxygen or ozone.
(14) Pure Water Tank: To store the pure water.

Original Video Source

Water Purification - Why is alum added to water? | #aumsum #kids #science #education #children

Water Purification – Why is alum added to water? | #aumsum #kids #science #education #children



Download Free Android App of “Smart Learning for All” @
Topic: Water Purification
Why is alum added to water?
Because water does not like to be alone.
It wants somebody’s company.
No. Alum is added to purify water.
Alum is aluminium sulfate.
It acts as a coagulant.
A coagulant attracts and binds with extremely fine and small particles to form a large particle.
I won’t use it.
But why?
Because it will attract all small insects and make a large insect.
You are just unbelievable.
When a solution of alum is added to impure water, it attracts and binds with contaminants and fine suspended particles of mud, dirt, etc. to form large particles.
Being large, these particles can be removed by filtration, or when they settle down due to gravity, they can be removed through decantation, giving us pure water.

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Original Video Source

Bushcraft Basics Ep09: Water Filtration & Disinfection

Bushcraft Basics Ep09: Water Filtration & Disinfection



About MCQ Bushcraft & Wilderness Life.
Hi my names Mike and I live in Northern Sweden, Welcome to my channel! My videos cover Bushcraft, wilderness survival and outdoor skills, bushcraft gear like axes, knives, saws, backpacks, clothing systems, shelters and cooking gear. Fire lighting with natural tinders, fishing and hunting, slingshot hunting, ice fishing, mushroom identification and plant identification, catching and cooking wild game, foraging and cooking wild plants and mushrooms, wilderness cooking, weaving and basket making.
My Wife Megan and I also travel throughout northern europe overlanding in our modified 4×4 exploring wilderness tracks and roads. We left the UK almost one year ago to travel and relocate to the North of Sweden where we now live in a remote town surrounded by wilderness. Outside of our working lives we spend out time exploring the wilderness, ice fishing and regular fishing in the summer over lakes and rivers, we regularly hunt with rifles and shotguns for various bird species and we enjoy hiking and camping with our bushcraft kit but also further afield with our modified 4×4 and roof top tent.
Thanks for reading and checking out the channel and feel free to have a look at the playlists and videos below.
Mike and Megan 😉

Useful Links:
Amazon Gear Shop USA – https://www.amazon.com/shop/mcqbushcraft
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Bushcraft Leatherwork Shop – http://www.mcqbushcraft.co.uk/shop/
Channel Merchandise – https://mcqbushcraft.teemill.com/

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Latest Videos:
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All Playlists:
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Bushcraft Basics – https://bit.ly/2HxUH8B
Bushcraft Axe Work – https://bit.ly/2TwJdJy
Camp Cooking – https://bit.ly/2u3ksWo
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Bushcraft Knives – https://bit.ly/2TwZpud
Hunting – https://bit.ly/2T0dqf4
Field Dressing Game – https://bit.ly/2TGCTOZ
Fire Lighting – https://bit.ly/2HgdEgC
Foraging and Wild Edibles – https://bit.ly/2EYrl07
Overland Build – https://bit.ly/2Hf2PeI

Original Video Source

Make Sure Your Water Is Safe To Drink.