PROC20 High Chemical Stability Brackish RO Element | Competitive RO membrane price

Product Introduction

Complete liquid filter and spiral wound reverse osmosis product lines are our core manufacturing business, and we offer transparent, competitive RO membrane price for global water treatment buyers searching for high chemical stability brackish RO elements like PROC20. The PROC series belongs to Hydranautics Nitto classic industrial RO lineup, and PROC20 is specially developed for complex brackish water and industrial wastewater with frequent chemical cleaning demands. Different from conventional CPA and BW series membranes with narrow chemical tolerance, PROC20 adopts enhanced cross-linked polyamide active layer structure, supporting long-cycle acid & alkali cleaning without irreversible performance loss. It delivers ultra-low operating pressure to cut pump power consumption by up to 30%, while maintaining stable 99.5 nominal salt rejection. All 8-inch standard dimensions match mainstream 8040 pressure vessels for plug-and-play replacement, helping plant owners save retrofitting labor and equipment transformation fees. If you compare RO membrane price among anti-fouling and chemical-resistant models, PROC20 stands out with balanced long service life and affordable unit cost, ideal for projects that require frequent CIP cleaning such as industrial circulating water reuse, electroplating wastewater recovery and mine brackish water treatment. For ultra-high desalination scenarios with strict water standards, PROC10 model is our matching alternative solution.

Working Principle

PROC20 high chemical stability brackish RO element follows standard solution-diffusion reverse osmosis separation mechanism, with two core optimized structures to realize superior chemical resistance:

1. High cross-link aromatic polyamide active layer: Dense cross-linked molecular chain structure resists erosion from strong acid, alkali and mild oxidants during chemical washing, avoiding hydrolysis and flux decay that happens to ordinary RO membranes after repeated cleaning cycles. Under external pressure higher than feed osmotic pressure, only water molecules penetrate the active layer, while dissolved salts, heavy metal ions and macromolecular organics are blocked via molecular screening and electrostatic repulsion.

2. Corrosion-resistant wide feed spacer: Special polymer spacer material maintains structural integrity under wide pH cleaning environment, reduces flow resistance and strengthens cross-flow scouring to mitigate scaling and organic accumulation on membrane surface.

Standard cleaning operation range: pH 1.0–13.0, cleaning temperature ≤35°C, single cleaning cycle within 2 hours. After standardized acid and alkali circulation cleaning, PROC20 can restore over 93% of original permeate flux and retain more than 98% rated salt rejection, far exceeding ordinary brackish RO elements in post-cleaning performance recovery.

Technical Parameters

• Model: PROC20 High Chemical Stability Brackish RO Element

• Membrane Type: Spiral-wound thin-film composite brackish RO membrane

• Standard Test Condition: 25°C, 105 psi, 2000 ppm NaCl, 15% recovery

• Nominal Salt Rejection: ≥99.5%, minimum guaranteed ≥99.3%

• Nominal Permeate Flux: 9200 GPD (±5% manufacturing tolerance)

• Effective Membrane Area: 400 sq. ft.

• Recommended Continuous Operating Pressure: 100–260 psi

• Continuous Operating Temperature: 15–40°C; emergency short-term exposure ≤45°C (cumulative 2 hours max)

• Long-term Continuous Operating pH: 2.0–11.0

• Cleaning Tolerance pH Range: 1.0–13.0

• Maximum Allowable Feed SDI: ≤3

• Single Element Pressure Drop: ≤11 psig

• Applicable Feed TDS Range: 1000–5000 ppm brackish water

• Allowable Feed COD: ≤350 mg/L

Operating Envelope Limit: Feed water must be fully neutralized to remove free chlorine; persistent residual chlorine will cause permanent damage to polyamide layer. Raw water SDI higher than 3 requires multimedia filtration pretreatment before entering membrane module.

Product Advantages

1. Outstanding High Chemical Stability

   Enhanced cross-link polyamide layer supports wide pH cleaning from 1 to 13, suitable for frequent acid/alkali CIP circulation in industrial wastewater projects, greatly extending membrane service life and reducing annual replacement frequency. When comparing RO membrane price in long-term operation, PROC20 effectively lowers overall plant running cost.

2. Ultra-Low Energy Consumption

   Test pressure only 105 psi, reducing system power consumption by around 30% compared with conventional high-pressure brackish RO elements, cutting daily electricity expenditure for large-volume water production lines.

3. Direct Replacement Compatibility

   Standard 8040 overall size, end cap and central tube design match all mainstream brand 8-inch pressure vessels, no pump, pipeline or container reconstruction needed during system upgrade, saving engineering transformation cost.

4. Cost-Effective Competitive RO Membrane Price

   As factory direct supplier without middlemen, we provide tiered bulk discount for PROC20. Larger order quantity gets lower unit price, and complete tender technical documents are provided free of charge for EPC contractors.

5. Stable Long-Term Operation

   Wide-flow anti-blocking spacers reduce concentration polarization, slow inorganic scaling and organic fouling speed, extending routine maintenance intervals and lowering chemical agent consumption cost. Vacuum-sealed anti-dry packaging ensures stable performance during long-distance sea transportation.

Application Fields

Suitable Scenarios

1. Industrial circulating cooling water reuse system

2. Electroplating, printing and dyeing medium-salinity wastewater recovery

3. Mine brackish water and underground high-hardness water purification

4. Food & beverage factory process water recycling line

5. Medium-large municipal secondary effluent reuse project

6. Water treatment plant old RO equipment retrofit & membrane replacement

Unsuitable Scenarios

1. Full-strength seawater desalination (TDS over 10,000 ppm; select dedicated SW series seawater RO)

2. High-strength wastewater with COD exceeding 350 mg/L without advanced pretreatment

3. Systems with continuous unneutralized free chlorine inflow

4. Drinking water projects requiring ultra-low heavy metal residual standard (select high-rejection PROC10 model)

Quality Standards

Every batch of PROC20 RO elements completes full simulated complex brackish water performance test before delivery, with serialized production batch records for full traceability of flux, salt rejection, pressure drop and post-cleaning recovery data. The whole production workshop implements ISO 9001:2015 quality management system, all core performance indicators pass third-party independent water treatment laboratory inspection, and test reports, certification files can be supplied for global tender bidding. All wetted contact materials meet international industrial water safety standards, free harmful heavy metal precipitation. Finished membranes adopt professional preservation liquid vacuum sealing packaging to prevent polyamide layer dry cracking and oxidation during storage and transit. We strictly control raw material incoming inspection, semi-finished product recheck and finished product full inspection three quality links to ensure consistent product performance and stable RO membrane price system for long-term cooperative clients.

Future Prospect

Our R&D team continues to upgrade PROC series polyamide cross-link formula and spacer structure for higher chemical tolerance and lower operating pressure. New generation optimized PROC20 prototype will further expand cleaning pH tolerance and lift flux recovery rate after chemical washing, while retaining full 8040 dimensional interchangeability with existing pressure vessels. We will maintain stable factory RO membrane price and launch customized OEM packaging service for global distributors. Meanwhile, we develop matching integrated pretreatment scheme together with PROC20 membrane element, providing one-stop water treatment solution to help buyers reduce overall project investment and daily operation expenditure. With stricter global industrial wastewater discharge standards, high chemical stability brackish RO elements represented by PROC20 will see growing market demand in recycling and reuse industries, and we will expand mass production capacity to shorten delivery cycle for bulk orders.

Summary

PROC20 high chemical stability brackish RO element is a cost-effective industrial spiral wound reverse osmosis membrane designed for complex brackish water and wastewater requiring frequent chemical cleaning. Supported by our factory transparent and competitive RO membrane price system, it integrates three core strengths: wide pH chemical cleaning tolerance, ultra-low energy consumption and universal 8040 plug-and-play replacement compatibility. Compared with ordinary CPA and BW series RO membranes, PROC20 shows obvious advantages in service life and post-cleaning stability, greatly cutting long-term water plant operation cost. For industrial water treatment plant operators, EPC engineering companies and global distributors who care about balanced performance and favorable RO membrane price, PROC20 is an ideal replacement choice for medium-salinity industrial wastewater reuse projects. Contact us to get accurate quotation, detailed datasheet and free water quality operation consultation service.

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