Minerals extraction and reuse from brines (ZLD)

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Dear All,

Does anyone have information regarding the current situation of minerals extraction and reuse from brines? There is plenty of information about brine disposal but I hardly find literature regarding current plants, pilot plants or investigations going on for minerals extraction.

Regards

Benito

Answers

Comments

Anonymous
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NORBERT BUCHSBAUM
Try CryoDesalination, a freezing process that separates ice from brine without centrifuges or filters, or any mechanical means. No limits on feed or reject brine salinity and Zero Liquid Discharge is feasible.

For further information, provide your affiliation, nature of interest and contact
Norbert Buchsbaum, CTO
CryoDesalination, LLC
email: cryodesalination@comcast.net
Govind Bharad
When we use RO water purifier, lot of water is thrown away along with the minerals. In case it borewell water it is >50%. Will it be possible to have an attachment with the Ro water purifier, to extract more pure water and/ or the minerals.; scan it be possible to separate minerals for other commercial use?.
Rajamani Krishnamurthi
All caustic chlorine plants take sea water separate pure sodium chloride brine for conversion to caustic,chlorine and hydrogen.
Mike Tietze, PG, CHG, CEG
Although minerals recovery from brines of various types has been done for a long time, as others have pointed out the economics and marketability of solids derived from water purification can be quite variable. As a result, all of the ZLD users I am familiar with truck their crystallized waste to a disposal facility. You might check with the ZLD Users Group and see how others have tackled this issue. http://zld.users-groups.com/
Mashallah Ali-Ahyaie
HELLO BENITO,

I WONDER IF THE FOLLOWING LINK COULD BE OF ANY HELP, AS A START; PLEASE KINDLY FEEDBACK:
===============
http://www.researchgate.net/publication/222363496_Techno-Economic_feasib...
===============
Article

Techno-Economic feasibility of extracting minerals from desalination brines

Ibrahim Al-Mutaz

Kamil M. Wagiall
==============
BEST REGARDS,
MASHALLAH
Val S. Frenkel
Several researches and field work were done to recover minerals, while economics didn't work. The exclusions are few places where the oversaturated brine is harvested to recover ultra pure minerals of high cost for the niche industries.
Satendra Pal Singh
After waste water treatment we can extract minerals.because not only minerals present in to the
brine water there are so many other impurities present in to the waste water. re use is possible but
it is very costly process.
Benito  Martin
Hi Alejandro,

yes that is the point extracting the minerals from the brine of desalination plants and use them for future applications. As far as I have read, it is more cost effective to extract the minerals from other traditional sources rather than from desalination plants. So I was wondering how is the technology developing in this market.

I know there are crystallizers, evaporators and other systems to treat waste water streams for minerals recovery but for desalination systems I do not find much
Alejandro Nuñez Casanovas
Dear Benito:
What I think you want to know is the possibility of extracting minerals from the brine (rejected water) to a future use of them. Unfortunately, I don`t know any method to extract miinerals from it. I consider a better solution to extract them straightforwardly from the sea rather than doing it from brine. Please, let me know if I have solved your doubt. Thanks very much in advance. Best regards
Ivan Blagojevic
With a RO systems you stripped water to 0% minerals, only Hydrogen and Oxygen ... after that you can mineralize the same ammount of water with a specific minerals according to your needs ...
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