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1000LPH RO Water Purification System Water Making Machine Automatic
Reverse osmosis technology process
RO membrane itself is sensitive to the pH, temperature and specific
chemicals of the influent. The water quality of the influent
strictly requires the pH value range of 4~10, temperature <40℃,
silt density index SDI<5, free chlorine <0.1mg·L-1, turbidity
<1, iron content <0.1mg·L-1, etc. In order to meet the
requirements of RO membrane water, raw water before entering the RO
membrane system must first preprocessing (sedimentation,
coagulation and microfiltration, ultrafiltration, activated carbon
absorption, pH adjustment, etc.), then the pump pressure into the
membrane module, the pressure under the action of raw water as
water production through the RO membrane, and inorganic salts,
organic matter and particle by RO membrane intercept on the other
side of the membrane to form thick liquid. The concentrated
solution can be recycled or reprocessed according to the
requirements of the specific process. RO can be used with
ultrafiltration, nanofiltration and other membrane devices to form
an integrated membrane device.
Working Principle of Reverse Osmosis Water Treatment System:
When a pressure greater than osmotic pressure is applied on the
saltwater side of the membrane, the flow of water is reversed and
the water in the saltwater flows into the fresh side, a phenomenon
called reverse osmosis.
Technical Specifications of Reverse Osmosis Water Treatment System:
6m³/h Reverse Osmosis System | |
Model | JFRO-6000L |
Host Size | 3000x800x1600mm (can be customized) |
Power | 5.5KW |
Power Supply | 220V /380V/460V - 50Hz/60Hz,220V 50Hz can be customized |
Operating Pressure | 0.8-1.2MPa |
Recovery Rate | 60% |
Designed Water Inlet | 10000L/h |
Outlet Flow | 6000L/h |
Desalination Rate | ≥99.5% |
RO Frame | SUS304 |
Membrane Size | 8040 |
Membrane Elements | DOW /Hydranautics/Troy/ Vontron (Optional) |
Number of Membranes | 6 |
Raw Water Pump | CNP/NYP/GRUNDFOS (Optional) |
High Pressure Pump | CNP/NYP/GRUNDFOS (Optional) |
Tank Material | SS/FRP(Optional) |
Control Valve | Manual/Automatic |
Control Valve Brand | FLECK/RUNXIN |
Membrane Housing | FRP |
Number of Membrane housing | 3 |
Pipe Material | U-PVC/ Stainless steel (Optional) |
Process flow of reverse osmosis water treatment system:
Raw water → original water tank → original water pump → multi-media
filter (quartz sand filter)→ activated carbon filter → soft water
processor → precision filter → high pressure pump → first stage
reverse osmosis (RO) device → pure water tank → high pressure pump
→ second stage reverse osmosis → ultraviolet sterilization device →
water point
Ro water treatment system concentrated water treatment
RO water treatment process for water separation, inevitably will
produce concentrated water, concentrated water is the main
characteristics of the salt content is relatively large, due to
strict RO water, so concentrated water chroma, turbidity, and
organic matter content are relatively low. According to the
characteristics of RO concentrated water, RO system can be reused
after adding scale inhibitor, adjust the proportion of concentrated
water and water intake, to achieve recycling; If the content of a
valuable ion in concentrated water is high, the ion can be further
concentrated and purified. Zhan Jinkun also verified the
feasibility of RO concentrated water as ultrafiltration backwashing
water, which is also a new method of RO concentrated water
utilization.
FAQ:
1, What are the inlet water quality requirements for ro water
treatment system membrane components?
| NTU | SDI | Residual chlorine(mg/L) | Fe2+(mg/L) | TOC(mg/L) |
Limits | ≤1 | ≤5 | ≤4 | ≤3 |
2. What is the material of ro water treatment system membrane?
Acetate membrane (CA) : mainly because of its resistance to
chlorine, so it is still durable. But its suitable pH range is
small, easy hydrolysis
Aromatic polyamide membrane (PA) : water almost can not have
chlorine, only through a variety of pretreatment chlorine.
3. RO water treatment system configuration:
First-stage multi-stage process: if the recovery rate is not
achieved in the first stage (50-65% in the first stage and 65-75%
in the second stage), the multi-stage tandem filtration can be
used. The effective cross-sectional area of each segment decreases.
2:2 and 2:3 and 4:2:1
Multi-stage process: when the first stage process cannot meet the
effluent quality requirements (the first stage is generally
≤20μs/cm), the product water of the first stage process is sent to
another reverse osmosis unit.
The arrangement of membrane components can be divided into series
and parallel.