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Complete reverse osmosis process including the pretreatment and post-treatment that is generally required for highly contaminated water:
A) Raw Water Storage Tank
Although some RO Systems can draw water right out of a well or pipe feed, most reverse osmosis systems start with a large tank that stores the contaminated water. Not having enough feed water can damage a pump, so having a large storage tank for your intake water is an easy way to make sure your pump lasts for as long as possible.
B) Feed Water Pump
A pump provides the initial pressure for the Treatment System. This motor usually provides enough water pressure to get through any pretreatment as well as the RO membranes, but if it doesn't a booster pump may be necessary farther down the line.
C) Multi-media Filter
As much as we hate to admit it, there are some things that membranes can't purify. Nitrates, a common contaminant found in fertilizers and animal waste, are a good example of particles that dissolve too well in water for reverse osmosis to catch them. Things like foul odor and taste usually aren't prevented by reverse osmosis, either. A Multi-Layer filter can be filled with media that specifically targets the things your RO system can't catch. If you need to eliminate these contaminants, a multi-layer filter is a must. An example of MMF or multi media filters. See our media filter series
D) Activated Carbon Filter
Activated carbon filters are a good solution to reduce organic, bad taste, smell and chlorine from the water.See our carbon filter series.
E) Automatic Water Softener
Automatic water softeners are designed to remove water hardness, calcium and magnesium ions, for small RO systems, we usually recommend water softeners instead of the antiscalant chemical dosing. See our water softener series.
F) Antiscalant Chemical Dosing System
For larger RO systems, we use antiscalant dosing systems to dose our PA0100 antiscalant RO chemical, which helps in preventing membrane fouling. For more information, please visit our CDS-Series chemical dosing pumps.See our chemical dosing device series.
G) Reverse Osmosis System
We finally have our reverse osmosis system. If a booster pump is necessary, it will typically be just before this step. The reverse osmosis system can produce up to one million gallons of product water a day from a steady intake, as well as a sizable amount of waste. Usually the wastewater can be dumped down the drain, but check with your local water authorities in case it needs to be handled with care.
H) Product Water Storage Tank
The permeate from the reverse osmosis system will usually go to a large tank, where it is held for use. If it didn't, the system would need to be running in order to have access to fresh water, which can be inconvenient. Sometimes, a RO system pumps water directly into a well or aquifer for recharging instead of being used in many of the normal industries or applications it is used in.
I) Chlorination Dosing System
If the permeate water is intended to be stored for more than one day, it is highly recommended to dose some chlorine to maintain clean and non contaminated water.
J) Water Pump (Re-pressurization)
This pump repressurizes the permeate water to the point of use ends. This is selected based on the overall travelling distance and required head. This pump must be selected in stainless steel to prevent any contamination to the permeate water.
K) Water UV Sterilizer
The UV sterilizer is placed after the storage tank, and as a final disinfection device. Most of the time, we either use post chlorination as a disinfectant agent, or ultraviolet sterilization.See our UV sterilizer series.
| Type of ions | Removing efficiency | Type of ions | Removing efficiency |
| AI 3+ | 95-99% | SO 2- 4 | 90-99% |
| Mn 2+ | 95-99% | HPO 2- 4 | 90-99% |
| Ca 2+ | 92-99% | CO 2- 3 | 80-95% |
| Mg 2+ | 92-99% | SiO 2- 3 | 75-90% |
| K + | 75-93% | CF - | 85-95% |
| Na + | 75-95% | HCO - 3 | 80-95% |
| NH4 + | 70-90% | CI - | 80-95% |
| PO 3- 4 | 90-99% | NO - 3 | 50-75% |
- Flow rate (GPD, m3/day, etc.)
- Feed water TDS and water analysis: this information is important to prevent membranes from fouling, as well as help us choose the correct pre-treatment.
- Iron and manganese must be removed before the water enters reverse osmosis unit
- TSS must be removed before entering the Industrial RO system
- SDI for feedwater must be less than 3
- Water should be free from oil and grease
- Chlorine must be removed
- Available voltage, phase, and frequency (208, 460, 380, 415V)
- Dimensions of projected area where Industrial RO System will be installed
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Any inquiry about water treatment system, please feel free to contact me for further details!
Contact information:
website: http:yldwater.en.made-in-china.com
Official website: yldwater.en.made-in-china.com
Guarantee period:1 year
