Iron removal from water

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mike95490
mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
in Solar Water Pumping #1

I seasonally get iron in my water, and need to remove it before the main filtering.  Research I've done shows that "greensand" style filters can trap the iron and then be backwashed with potassium permanganate and then returned to use. (much like a water softener and brine)

I have limited power and pressure (and water) for backwashing, and wondering if anyone has solved an issue like this ? 

  I'm hoping a mild pressure and let it soak overnight might work for the backwash/recharge ? 

Use 2 tanks and swap them back and forth ?
Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
|| Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
|| VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

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  • mcgivor
    mcgivor Solar Expert Posts: 3,854 ✭✭✭✭✭✭
    #2
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    Some information that may be of interest https://www.best-osmosis-systems.com/water-filters-to-remove-iron/
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery with Battery Bodyguard BMS 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah LFP 24V nominal battery with Daly BMS, used for water pumping and day time air conditioning.  
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  • jonr
    jonr Solar Expert Posts: 1,386 ✭✭✭✭
    #3
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    You can oxidize (various chemicals  or ozone or air) and then let it settle out in a holding tank.  No backwashing needed.

    I am available for custom hardware/firmware development

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  • cow_rancher
    cow_rancher Solar Expert Posts: 117 ✭✭✭✭
    #4
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    mike95490 said:

    I seasonally get iron in my water, and need to remove it before the main filtering.  
    jonr said:
    You can oxidize (various chemicals  or ozone or air) and then let it settle out in a holding tank.  
    As jonr said, oxidation is the usual method i.e. bubblier in a storage tank with a pressure tank beyond that... 
    "Main Filtering" what are you filtering out, whole house filters are normally not needed, they reduce the flow too much, and require maintenance.   
    This is a Solar site so I see no conflict in sending you to another site https://pumpsandtanks.com/index.php , good unbiased experts there unlike another well known plumbing site, Speedbump is our resident expert and I own the site and won't try to sell you anything, besides I have nothing to sell.

    Rancher
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  • BB.
    BB. Super Moderators, Administrators Posts: 33,439 admin
    #5
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    No problem posting relevant links that address questions and answers (even if they happen to sell something).

    -Bill "moderator" B.
    Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
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  • Dave Angelini
    Dave Angelini Solar Expert Posts: 6,746 ✭✭✭✭✭✭
    #6
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    We always rotate rain water to keep it fresh and chlorinated thru its storage cycle of 6 or 7 months.
    So, yea swap it!

    Or,  harvest the rain, there are only a couple ways to goof up rain water and dozens for ground source water.
    "we go where power lines don't" Sierra Nevada mountain area
       htps://offgridsolar1.com/
    E-mail offgridsolar@sti.net

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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    edited November 2018 #7
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    cow_rancher said:
    sending you to another site https://pumpsandtanks.com/index.php , good unbiased experts there 

    Rancher
    After 3 days, still no verification email.  even used the cust service form to try to get a reply.  I'll reg under a different address

    Edit - never got anything at gmail but the reg via yahoo address went through fine.
    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

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  • cow_rancher
    cow_rancher Solar Expert Posts: 117 ✭✭✭✭
    #8
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    So you are SolarMike, Welcome, l'll have to check on why gmail doesn't work.

    Thanks, Rancher
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