Clean It Up

UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: clarkson on July 17, 2011, 11:10:39 pm

Title: for the boffins
Post by: clarkson on July 17, 2011, 11:10:39 pm: hi
signed up a new customer last week, turns out he used to be big in operations for a well known drinks company.

He was very highly qualified in liquid filtration. interesting thing he came up with. he says that what we call reverse osmosis isnt really reverse osmosis but microfiltration.

he said ro is through an imperviable membrane and cant be acheived at mains water pressures.

he used ro on big industrial tanks to concentrate juice without having to heat it .

just thought interesting thats all.

john
Title: Re: for the boffins
Post by: andyM on July 18, 2011, 07:05:27 am: I use a Reverse Osmosis pressurised system :D
Title: Re: for the boffins
Post by: GB Window Cleaning on July 18, 2011, 08:12:39 am: Quote from: AndyM on July 18, 2011, 07:05:27 am
I use a Reverse Osmosis pressurised system :D

same here! mine is boosted!
Title: Re: for the boffins
Post by: Seymour Sunshine on July 18, 2011, 05:12:51 pm: He's wrong. Microfiltration will remove very fine suspended solids, but will not remove dissolved solids. You need reverse osmosis to remove dissolved solids.

Reverse osmosis requires (1) a semi-permeable membrane and (2) a pressure differential.

http://en.wikipedia.org/wiki/Microfiltration (http://en.wikipedia.org/wiki/Microfiltration)

http://en.wikipedia.org/wiki/Reverse_osmosis (http://en.wikipedia.org/wiki/Reverse_osmosis)

He's right that RO is used for concentrating fruit juices without heating, but he doesn't seem to understand that we use de-ionised water, not filtered water.
Title: Re: for the boffins
Post by: GB Window Cleaning on July 18, 2011, 10:25:10 pm: Quote from: Seymour Sunshine on July 18, 2011, 05:12:51 pm
He's wrong. Microfiltration will remove very fine suspended solids, but will not remove dissolved solids. You need reverse osmosis to remove dissolved solids.

Reverse osmosis requires (1) a semi-permeable membrane and (2) a pressure differential.

http://en.wikipedia.org/wiki/Microfiltration (http://en.wikipedia.org/wiki/Microfiltration)

http://en.wikipedia.org/wiki/Reverse_osmosis (http://en.wikipedia.org/wiki/Reverse_osmosis)

He's right that RO is used for concentrating fruit juices without heating, but he doesn't seem to understand that we use de-ionised water, not filtered water.

wow :o im impressed mate! nice one!
Title: Re: for the boffins
Post by: Ian Rochester on July 19, 2011, 06:17:11 am: I think the boffin hat has just gone to Seymour Sunshine 8)
Title: Re: for the boffins
Post by: GB Window Cleaning on July 19, 2011, 04:30:48 pm: Quote from: Ian Rochester on July 19, 2011, 06:17:11 am
I think the boffin hat has just gone to Seymour Sunshine 8)

agreed ;)
Title: Re: for the boffins
Post by: EandM on July 20, 2011, 06:36:39 am: Too much Sunny Delight.
Title: Re: for the boffins
Post by: the bfg on July 20, 2011, 08:31:44 am: I remeber when coca cola starting selling their bottled water and saying it was the best on the market....... UNTIL it was proved that their bottled water actually came from a tap in a factory
Title: Re: for the boffins
Post by: GB Window Cleaning on July 20, 2011, 10:38:21 am: Quote from: the bfg on July 20, 2011, 08:31:44 am
I remeber when coca cola starting selling their bottled water and saying it was the best on the market....... UNTIL it was proved that their bottled water actually came from a tap in a factory

really? :o
Title: Re: for the boffins
Post by: GB Window Cleaning on July 20, 2011, 10:39:33 am: http://news.bbc.co.uk/1/hi/uk/3523303.stm

REALLY :o