I.Overview
Ultrafiltration (UF) system plays a vital role in mineral water production, realizing the perfect balance of high efficiency sterilization and mineral retention, which is the core process of natural mineral water production, mainly used for removing suspended solids, colloids, microorganisms, and at the same time retaining the mineral content to ensure that the water quality is safe and in line with the standard of natural mineral water, with its low-energy consumption, no chemical additives, and easy automation, which is in line with the modern trend of healthy drinking water. It is characterized by low energy consumption, no chemical additives and easy automation, which is in line with the modern healthy drinking water trend.
II.Typical process
Basic process :
Raw water → rough filtration (5~50 μm) → ultrafiltration (0.01~0.1 μm) → ozone/ultraviolet disinfection → bottling
Combined process
Highly polluted water source:
Raw water → coagulation → sand filtration → ultrafiltration → activated carbon adsorption → ozone → filling
Ultrafiltration + RO process
Partial demineralization needs:
Raw water → ultrafiltration → reverse osmosis (partial water flow) → mixing → mineralization → filling
III.Core Attribute Parameters
| Performance Requirements for Ultrafiltration Membranes |
| Parameter |
Typical Value |
Description |
| Membrane Material |
PVDF, PES |
Resistant to oxidation (ozone cleaning), strong anti - fouling property. |
| Pore Size |
0.01 - 0.1 μm |
Retain bacteria (0.2 - 1 μm), allow mineral ions to pass through. |
| Flux (LMH) |
80 - 150 (25℃) |
Flux needs to be reduced for low - temperature water sources. |
| Operating Pressure |
0.5 - 2 bar |
Low - pressure operation, energy - saving. |
| Recovery Rate |
90 - 95% |
Less concentrated water discharge, water - saving. |
| Outlet Water Quality |
| Index |
Ultrafiltration Effluent |
Mineral Water National Standard (GB 8537 - 2018) |
| Turbidity (NTU) |
< 0.1 |
≤ 1 |
| Total Bacteria Count |
< 1 CFU/mL |
≤ 100 (≤ 0 before filling) |
| Coliform Bacteria |
Not detectable |
Not detectable |
| Mineral Retention Rate |
100% (ion level) |
Comply with the mineralization degree of raw water |
IV.Applicable scenarios
Natural mineral water
Mountain water/well water
Terminal filtration before filling
V.Here is a guideline for you to get a proper quotation
Tell us the raw water/source of water(tap water, well water, or sea water, etc)
Provide water analysis report(TDS , conductivity, or resistivity, etc)
Required production capacity( 5m³/H, 50m³/H,or 500m³/H, etc)
What's the pure water used for( industrial,Food and Beverage,or agriculture, etc )
Product Tags:
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Custom Ultrafiltration Membrane Filter For Mineral Water Production 20TPH Water Purification System With UF+UV Images
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