reclaimed water...

[WarDaddy]

My community is using reclaimed water for irrigation.

If I run the reclaimed through Carbon, ati/kani DI and then carbon again, is there any reason that I should not use reclaimed for my water?


Thanks

 

[Randy Holmes-Farley]

It will be very expensive to use DI directly, and would cost a lot less in the long run to use RO/DI, but in general that method will likely work OK.

 

[MstgKillr]

You could call the water reclamation facility talk to a plant operator and ask for their effluent limits. Each plant would have different effluent limits according to their permit.

The W.R.F. that I work at has the follwing limits.

NO3 Max of 12 mg/L
PO4 No limit
CL2 Min of 1.5 ppm and Max of 5.0 ppm
pH Min of 6 and Max of 8.5

 

[WarDaddy]

<a href=showthread.php?s=&postid=9044857#post9044857 target=_blank>Originally posted</a> by Randy Holmes-Farley
It will be very expensive to use DI directly, and would cost a lot less in the long run to use RO/DI, but in general that method will likely work OK.

Interesting, the DI I am going to use is 2 part that is from Germany, the stuff a lot of the aqua culture guys use. The DI resins are rechargeable, the only water loss I have is when recharging, the resins should last 10+ years, give or take. From what I understand dollar for dollar this is a much more efficient way to go, water quality comes out at the near 0 TDS and not having to toss 66% of my water down the drain line is a large plus.

Aside from the method of final filtering, is there any reson to not use reclaimed water, if it is available? From what I understand, it can often be cleaner than straight well or treated well water that makes up our normal drinking water.

Anyway, I figured if there is anyplace on the web to get an answer this is likely to be it.

Thanks Guys!!!

 

[WarDaddy]

I found this... I believe this is for the Reclaimed we are connected too..
<TABLE border="1">
<CAPTION><EM>Reclaimed water average parameters</EM></CAPTION>
<TR><TH>Parameter<TH>Average<TH>Units
<TR><TD>Ammonia (as N)<TD>0.14<TD>mg/L
<TR><TD>Chlorides<TD>249<TD>mg/L
<TR><TD>Dissolved oxygen<TD>6.93<TD>mg/L
<TR><TD>Hardness<TD>281<TD>mg/L
<TR><TD>Nitrate + nitrite (as N)<TD>1.26<TD>mg/L
<TR><TD>Orthophosphate (as P)<TD>3.5<TD>mg/L
<TR><TD>pH<TD>7.05<TD>pH/units
<TR><TD>Potassium<TD>16.0<TD>mg/L
<TR><TD>Sodium<TD>185<TD>mg/L
<TR><TD>Sulfates<TD>176<TD>mg/L
<TR><TD>Total dissolved solids<TD>891<TD>mg/L
<TR><TD>Total kjeldahl nitrogen<TD>1.33<TD>mg/L
<TR><TD>Total phosphorus<TD>3.6<TD>mg/L
<TR><TD>Total suspended solids*<TD>0.9<TD>mg/L
<TR><TD>Turbidity*<TD>0.90<TD>NTU
<TR><TD colspan="3">*prior to disinfection
</TABLE>

 

[Randy Holmes-Farley]

If you recharge your own resins, that can make the cost a lot lower. For me, that is to much time and effort, and I prefer to use RO to extend the DI resin depletion time by 20 fold, but folks can do the recharging themselves with DI only and make it work out.

You definitely want to use an RO/DI or DI only on that water before using it.

 

[WarDaddy]

Thanks Randy! your insight is so valuable to this complicated hobby of ours!

 

[Randy Holmes-Farley]

:thumbsup:

thanks

Happy Reefing.