Graphene: the wonder material that could solve the world's water crisis

The Telegraph ^ | May 3, 2018 | Aisha Majid

[2ndDivisionVet]

Graphene, the much-hailed wonder material, may be the solution to the world’s water crisis.

One in nine people around the world do not have access to clean, safe water close to their homes and at least 2 billion people are forced to use a drinking water source contaminated with faeces.

Dirty water is a serious public health concern and drinking or washing in dirty water spreads diseases such as diarrhoea, cholera and typhoid. Contaminated drinking water causes over 500,000 deaths each year from diarrhoea, a leading killer of children under five.

First developed by scientists at the University of Manchester in 2004, graphene, an ultra-strong material composed of a single layer of carbon atoms, has been tipped for many uses from hair dye to super long-life batteries.

But one of the material's most exciting properties may be its ability to filter out even the tiniest impurities in water.

Researchers at the Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Sydney have recently found a way to turn ordinary cooking oil into graphene to create what they believe is a much more effective filter than standard methods.

Their breakthrough consists of a thin graphene film that attaches to a conventional filter.....

[Ozark Tom]

Osmotic differential across the membrane requires hydraulic pressure be applied to the salty side, in order to persuade the water molecules to travel through the pores. This energy expenditure is more efficient than distillation, but an ongoing needed input for the filtration process to occur.

Drinking water needs a minimum of mineral content for safe long term consumption. The body is not capable of maintaining sufficient mineral balances sans supplementation, when faced with ongoing consumption of mineral free water.

[TheNext]

Graphene cannot be cleaned since it is only a few atoms thick. On top of the problem with nano particles, they are cancerous due to ther tiny size.

Let us bring back asbestos and lead amd mercury.

[FLT-bird]

A cheap means of desalinating seawater would be a simply tremendous invention. On a large enough scale it could be used to meet immediate human needs and even to green swathes of the world’s deserts.

That said, I’ve been hearing a lot of cheerleading for Graphene for years. Thus far there hasn’t been much to show that it really is some kind of wonder material.

[Sirius Lee]

Comments?

I hate that we still need water. We evolved and left the seas, what? 300 million years ago?

Cut the umbilicus already!

[Kartographer]

Major Kendall:"As usual, I'm just presenting the grim facts. Colonel Secord doesn't seem to understand that the coffee tastes better when the latrines are dug downstream instead of upstream. How do you like *your* coffee, Colonel?" The Horse Soldiers (1959)

[trebb]

Sounds like a plan - currently using Berkey filtration for tap water because the local stuff sucks...maybe they can find cheaper ways to clean the sludge out of water...

[upchuck]

Thanks for posting this.

This is the graphene ping list.

Click Private Reply below to join or leave this list.

Interesting: 10 Uses for Graphene.

[Bigg Red]

:)

[Trailerpark Badass]

And is it a “world” crisis if some 3rd world $h!tholes have dirty water?

[Trailerpark Badass]

They are two separate statistics, thus the “and” conjunction.

[P.O.E.]

Like everything else, the scarcity of something is POWER.

Which is why statists like to ruin things - this way they "have to" take it over, you know, for the children or whatever.

[Mr. K]

huh? then they are mutually exclusive- unless you consider that feces in drinking water is safe

[Jim W N]

Exactly. If you could bet in Vegas on the truth, you’d win a lot of money if you bet the opposite of everything that spews out of the Leftist Lying Machine.

That’s one way to presume what’s true: the OPPOSITE of the Delusional Lying Leftist reports and accounts.

[GOPJ]

Thanks...

[GOPJ]

Is there a “world water crisis” or a world water MANAGEMENT crisis?

Neither.

Nutty 'climate change' folks are looking around for a new 'SKY IS FALLING' issue to 'frighten for cash and grants'. Too many people caught on to the global warming hoax.

Now, crazy liberal 'elites' are moving toward 'GLOBAL WATER SHORTAGES' - we're all going to die of thirst's as a substitute.

[Jim W N]

True enough.

[Trailerpark Badass]

Depends on the concentration, of course