Questions tagged [water-treatment]

Questions about any process which makes water more acceptable for an end use.

13 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4
votes
0answers
446 views

The Health Effects of Alkaline Ionized Water?

I came across alkaline ionized water as my aunts bought a system called Kangen Water from Enagic Inc. The water produced by this system is claimed to contain smaller water clusters (4-6 molecules) ...
3
votes
0answers
235 views

Cheap spectral analysis to analyze water quality

I need some guide about spectrometers I saw a lot of DIY spectrometers to analyze light. Does anyone try to use those DIY spectrometers to analyze water? To detect heavy metals? or a chemical? or ...
2
votes
0answers
51 views

Creating Floc in the classroom

I'm the youth ed manager at Denver Water in Colorado. We do a water treatment demo in the classroom, and currently we use the first part of the Winkler DO test to create floc. I'm looking for a better ...
1
vote
0answers
28 views

Do TDS meters measure HCO₃⁻/CO₃²⁻?

I am trying to add $\pu{2 g}$ of $\ce{KHCO3}$ to $\pu{20 L}$ of RO water $(\mathrm{pH} = 5.2)$ which theoretically it will add $$ \begin{array}{lr} \hline \ce{K+} &\pu{10.32 ppm} \\ \ce{HCO3-} &...
1
vote
1answer
49 views

Making hard water

Does anyone know how to make hard water with a hardness of 200+ ppm in terms of $\ce{CaCO3}$? I live in Seattle and we have very soft water and we need hard water for testing purposes. Obviously you ...
1
vote
0answers
35 views

how can I predict the rate of water ions precipitation on a surface?

Consider a titanium pot that contains 1kg water with the following ions: $[Ca^{2+}]=22000$ ppm, $[Mg^{2+}]=1500$ ppm,$[Sr^{2+}]=791$ ppm,$[Na^{1+}]=48000$ ppm,$[Cl^{1-}]=120000$ ppm,$[SO_4^{2-}]=...
1
vote
0answers
54 views

Magnetic Water Softener

I've been asked to install some kind of technology to a building with 40 rooms to soften the water. Browsing through the product catalog I found this so called "Magnetic Water Softener", however ...
1
vote
0answers
48 views

Is it a good idea to build a small scale ozone AOP reactor in my garage?

I have some interesting findings from my work (no conflict of interest), and I have been thinking to build an ozone lab in my garage to verify my ideas. What safety issues should I be aware of? The ...
1
vote
1answer
171 views

How do I convert this ion exchange capacity into water softening capacity?

I am researching for an extended experimental investigation into methods of water softening. One such method is the use of ion exchange resin. I have contacted the supplier of the resin for its ...
0
votes
1answer
18 views

Additive to an aluminum sulfate and water solution to lower pumping pressures

I am currently looking for a surfactant (powder form) that I can add to a solution of aluminum sulfate and water. My current solution is comprised of 34 gallons of water and 4 (four) 50 lbs bag of ...
0
votes
0answers
8 views

What could cause foam formation in a Wet Flue Gas Treatment process ? (Desulfurization)

The process in question is a Desulfurization process operating in Close Loop mode. It means that the initial seawater is recirculated a given number of time in the process. In the mean time, a small ...
-1
votes
0answers
35 views

To which extent is the function of an RO unit affected by inlet water type?

I want to purchase a Reverse osmosis water filter for my home but the issue is that the source of water supply is not always from a single source and hence parameters/properties of source water may ...
-1
votes
1answer
33 views

How can I reduce sodium chloride levels in water, without removing other minerals?

How can I reduce sodium chloride levels in water, without removing other minerals? Good day, I make a sole from Himalayan Salt which I add to my Reverse Osmosis treated water to ensure my body isn't ...