FILTRATION OPTIONS

After more than 20 years in the Rainwater Harvesting industry, RMS has identified the key components and the most effective methodology for filtering and disinfecting rainwater for reuse.

RMS Treatment Skids are U.L. 979 Certified: UL Standard for Safety Water Treatment Assemblies  


Sediment Filtration

Used to remove particulate from the rainwater line that may carry pathogens and increase water clarity. This is typically the first step to post-tank treatment.

Carbon Filtration

Reduces discoloration, odor and volatile organic compounds (VOCs). Carbon filtering uses activated carbon to remove impurities by utilizing chemical adsorption along.

Ultraviolet Light

Ultraviolet lights are used to sterilize any pathogens and prevent reproduction, making rainwater safe for reuse.

UV dosage is quantified by millijoules per squared centimeter (mJ/cm 2 ).

US Public health requires 16 mJ/cm 2
NSF/EPA requires 40 mJ/cm 2

 

Basis of Design


1. Self-Cleaning / Back-flushing Filters are used to remove large sediment particulate.

2. Cartridge / Bag Housings are secondary form of sediment filtration and remove particles larger than 5 microns in size.

3. Carbon Filtration reduces discoloration, odor and VOCs.

4. UV Lights are used to sterilize any pathogens and prevent reproduction.

5. Domestic Backup lines are integrated into the piping layout to allow for continuous water supply should the rainwater supply be depleted.

6. Flowmeters measure flow from both rainwater and domestic sources to record water usage.

7. Pressure Differential Transmitters determine when sediment and carbon filter elements need replacing. This increases the accuracy of when to conduct system maintenance.

Standard Filtration Packages

Model (Spec Sheet) Flow Rate (gpm) Rainwater Inlet/Domestic Inlet/System Outlet Backwash Filter (microns) Sediment Filter (microns) UV Dosage (mJ/cm2) Maximum Pressure (psi) Length Width Height

25

1”

50

5

55

125

60"

42”

72”

50

1 ½”

50

5

50

125

78"

32”

72”

75

2”

50

5

35

125

78"

42”

72”

100

2”

50

5

45

125

96"

52”

72”

125

3”

50

5

35

125

104"

52”

72”

150

3”

50

5

37

125

104"

52”

72”

175

3”

50

5

33

125

104"

52”

72”

200

4”

50

5

43

125

104"

52”

72”

*All RMS Standard Filtration Skids come with 1” flange drain line and are plumbed in copper pro-press unless otherwise specified.  


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