Fujian Huamo Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of ro membrane for food processing high temperature in China. If you're going to wholesale bulk ro membrane for food processing high temperature made in China, welcome to get catalog and price list from our factory. All custom made products are with high quality and competitive price. Also, OEM service is available.
Product Details
RO membrane for food processing high temperature is a hot water sanitizable reverse osmosis element designed for hygienic water treatment systems in food, beverage, and pharmaceutical industries. It is engineered to maintain stable separation performance under thermal disinfection conditions, making it suitable for processes where membrane sanitation by hot water or pasteurization cycles is required.
The RST-HS series membrane element is produced on an automated manufacturing line with sanitary-grade structural design, no internal dead corners, and stable membrane integrity after repeated hot water exposure. It is widely used in systems that require microbiological control and consistent permeate quality under strict hygiene standards
Video Description
The manufacturing process for reverse osmosis (RO) membranes encompasses every stage, ranging from the preparation of polymer raw materials to casting, phase inversion, and precision drying.
Product Specifications
Performance data below are based on standard test conditions
Item | Specification |
Model | RST8040-HS1 |
Membrane Type | Hot Water Sanitizable RO Membrane |
Element Size | 8 inch |
Effective Membrane Area | 380 ft² (35.2 m²) |
Permeate Flow Rate | 8800 GPD (33.3 m³/day) |
Salt Rejection (Nominal) | 99.7% |
Salt Rejection (Minimum) | 99.4% |
Test Conditions | 1500 mg/L NaCl |
Test Pressure | 225 psi (1.55 MPa) |
Test Temperature | 25°C |
Recovery Rate | 15% |
Feed pH Range | 6.5 – 7.0 |
Maximum Operating Pressure | 600 psi (4.14 MPa) |
Maximum Operating Temperature | 55°C |
Maximum Free Chlorine | < 0.1 mg/L |
Feed Water pH Range | 2 – 10 |
Cleaning pH Range | 1 – 12 |
Maximum Pressure Drop (per element) | 60 psi (0.41 MPa) |
Recommended Sanitization Temperature | 85°C |
Sanitization Pressure | 0.17 MPa |
Pre-heat Stabilization Limit | ≤ 45°C |
Why Choose Our High Temperature RO Membrane
(1)Thermal Stability in Sanitary Water Systems
In food, beverage, and pharmaceutical water systems, membrane stability under thermal sanitation is a key factor affecting long-term operating cost and system reliability. Standard RO membranes are typically limited to low-temperature operation, which restricts their use in processes requiring hot water disinfection or pasteurization cycles.
(2)Designed for Repeated Hot Water Sanitization
Unlike conventional elements that may experience performance degradation after repeated cleaning cycles,our RO membrane for food processing high temperature is designed for repeated hot water sanitization up to 85°C under defined pressure differential control. This allows system operators to implement thermal disinfection protocols without frequent membrane replacement.
(3)Stable Hydraulic Performance and Flux Distribution
From a hydraulic performance perspective, the membrane maintains a stable active area of 380 ft² (35.2 m²) with consistent flux distribution across the spiral-wound structure. This ensures that permeate production remains stable at 8800 GPD (33.3 m³/day) under standard operating conditions, without localized channeling or uneven loading.
(4)Hygienic Structural Design with CIP Compatibility
The sanitary structural design also reduces the risk of internal contamination accumulation. Combined with controlled chemical compatibility limits (low free chlorine tolerance and defined pH operating range), the membrane is suitable for systems requiring strict hygiene control and CIP integration.
(5)Flexible Integration into Existing RO Systems
For system designers, the key advantage of RO membrane for food processing high temperature is not only thermal resistance, but also operational flexibility-allowing integration of hot water sanitization cycles without changing existing RO system architecture.
FAQ
Q1: Why does the "hot water sanitization" feature help improve my return on investment (ROI)?
Conventional RO membranes often require frequent chemical sanitization, which can leave chemical residues behind and gradually accelerate membrane degradation.
Our 85℃heat-resistant membrane elements support thermal sanitization, helping extend membrane service life, reduce replacement frequency, and ensure full compliance with strict hygiene audit standards - all while lowering ongoing chemical cleaning costs and minimizing system downtime.
Q2: What is the recommended procedure for hot water sanitization?
To protect the structural integrity of the membrane element, the heating and cooling rates should be carefully controlled. We generally recommend a temperature change rate of no more than 1-2℃ per minute. In addition, feed pressure during sanitization should remain at a low level (≤0.17 MPa) to avoid hydraulic stress and ensure stable membrane performance.
Q3: Is this membrane element suitable for dairy or beverage filtration processes?
Yes. The RST8040-HS1 series membrane elements are ideal for applications such as ingredient water preparation, juice concentration pretreatment, and dairy wastewater recovery. These processes typically require high salt rejection performance together with regular pasteurization or thermal sanitization cycles.
Q4: Can this membrane element withstand extreme pH cleaning chemicals?
Absolutely. The membrane element is designed to tolerate a wide cleaning pH range of 1.0–12.0, enabling the use of more intensive CIP (Clean-In-Place) cleaning procedures. This allows effective removal of organic protein fouling and mineral scale commonly found in food and beverage processing environments.