How to Choose Purified-Water Equipment for the Food Industry
1. National & sector regulations
As consumers become more health-conscious, the food and beverage sector faces stricter requirements. The water used must comply with GB 17324-2003 “Hygienic Standard for Bottled (Barrelled) Purified Drinking Water”.
2. Health & safety
Multi-media, activated-carbon, softening, cartridge and reverse-osmosis (RO) stages remove microorganisms, bacteria, silt, colloids and residual chlorine, guaranteeing that the water will not endanger human health.
3. Taste improvement
Raw water contains ions, microbes, bacteria, etc. that interfere with fermentation, shelf-life and flavour. GenHuan systems use imported DOW RO membranes with ≥ 98.5 % rejection of these contaminants, ensuring better fermentation, hygiene, storage stability and, ultimately, superior taste.
Modern consumers care deeply about health, so food safety is under constant scrutiny and standards keep rising. Municipal tap-water or deep-well water can no longer meet these demands. Food-grade purified-water systems are therefore entering factories and plants. After efficient pre-treatment to remove particles, colloids and chlorine, RO membranes eliminate bacteria, viruses and most heavy-metal ions. The purified water can be fed directly into production lines. The skid is designed for manual or fully automatic operation: raw-water pump, high-pressure pump and pure-water pump are interlocked for automatic start/stop, flush, low- or high-pressure protection, thermal protection and level control.
1. Ultra-low-pressure spiral-wound composite RO membranes with high salt rejection, low operating pressure, excellent water quality, low running cost and long service life.
2. High-efficiency, low-noise high-pressure pumps cut energy consumption and noise.
3. On-line conductivity meter monitors product quality in real time.
4. Flow meters on both product and concentrate lines show flow and system recovery.
5. Pressure gauges upstream/downstream of the cartridge filter and upstream/downstream of the RO array continuously monitor differential pressure, indicating when element replacement is needed.
Option 1 – Single-pass RO (for ingredient water in food & beverage production)
Raw-water tank → booster pump → multi-media filter → activated-carbon filter → 5-µm cartridge filter → high-pressure pump → single-pass RO → purified-water tank
Option 2 – Double-pass RO (for bottled purified drinking water)
Raw-water tank → booster pump → multi-media filter → activated-carbon filter → 5-µm cartridge filter → high-pressure pump → 1st-pass RO → high-pressure pump → 2nd-pass RO → purified-water tank → ozone sterilisation → finished-water tank → pure-water pump → 0.22-µm micro-filter → filling
Option 3 – Ultrafiltration (for natural mineral water)
Raw-water tank → booster pump → multi-media filter → activated-carbon filter → booster pump → UF → intermediate tank → ozone sterilisation → finished-water tank → booster pump → 0.22-µm micro-filter → filling
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