What is the best OSPURA membrane for MBR-effluent reuse?

MBR effluent is low-SDI but carries residual organics and biological material. Most reuse trains specify an FR-series element with a 34-mil feed spacer (FR-8040-400(34)) to maximize fouling tolerance and CIP-interval length.

How does ZLD system design affect membrane element selection?

ZLD trains stage membranes by TDS — the front RO sees moderate TDS and uses BW or FR elements, while the second stage and brine concentrator see substantially higher TDS and elevated osmotic pressure, requiring SW-rated elements or specialized high-pressure RO constructions.

What role does nanofiltration play in resource recovery?

NF elements provide selective ion rejection — passing monovalent ions like chloride and lithium while rejecting divalents like calcium, magnesium, and sulfate. This selectivity is the technical basis for lithium extraction from brine and for fractionation in specialty chemical recovery.

How do I extend membrane life on heavily fouling reuse feeds?

Combine FR-series chemistry with a 34-mil feed spacer, hold flux below 12 GFD where the feed allows, maintain a disciplined CIP schedule (typically every 1–3 months on reuse), and front-load the system with UF or MBR pretreatment to limit colloidal and biological load.

Does Wave Cyber offer DLE systems for lithium brine?

Yes — Wave Cyber manufactures DLE (Direct Lithium Extraction) systems that integrate OSPURA NF membranes with selective adsorbents and concentration stages. Documented installations include Qinghai lithium-extraction trains using OSPURA NF-8040-400-HR and BW-8040-400 elements.

What recovery is realistic for industrial reuse?

Single-pass industrial reuse RO typically operates at 70–80% recovery. Multi-stage and concentrate-recirculation designs push total recovery into the 90%+ range; ZLD trains exceed 95% with brine concentrators and crystallizers downstream.

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Application

Wastewater Reuse & Recovery

Membrane elements for water reuse, zero-liquid discharge, and resource recovery from challenging waste streams.

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Overview

Wastewater Reuse & Recovery membranes.

OSPURA membranes are deployed on large-scale reuse and zero-discharge projects. One of Asia's largest secondary effluent treatment plants uses our fouling-resistant FR-8040-400(34) elements. An electroplating wastewater zero-discharge facility in a metal ecological park uses hundreds of FR and SW elements, as does a large coal-chemical zero-discharge installation. Multiple landfill-leachate treatment systems also run on OSPURA elements.

On the resource-recovery side, Wave Cyber is a designated quality supplier to leading lithium-extraction enterprises and supports salt-lake lithium-extraction systems with hundreds of NF-8040-400-HR and BW-8040-400 elements. Wave Cyber's own DLE systems extend this capability into integrated lithium-brine processing.

For engineers scoping reuse, ZLD, or lithium-brine RO membrane procurement, OSPURA gives a documented installed base on the hardest membrane duty in the industry — high-fouling, high-recovery, and ion-selective separation systems.

Key considerations

What drives element selection.

01Fouling is the dominant challenge; element selection should default to fouling-resistant constructions on any reuse duty.
0234-mil feed spacers trade a small amount of active area for substantial fouling tolerance and CIP-interval extension.
03Recovery 70–80% typical for reuse RO; ZLD second-stage and brine-concentrator systems push total recovery above 95%.
04Pretreatment is heavy — MBR or UF upstream is assumed for industrial reuse trains.
05Resource-recovery niches (lithium brine, specialty separation) are NF-led duties where selective ion rejection drives economics.

When to choose what.

9 elements

For MBR-effluent reuse, specify FR or BW with a 34-mil feed spacer to handle residual organic loading and biological carry-over. Industrial mixed-fouling streams default to the FR series. ZLD second-stage and brine-concentrator positions use BW or FR rated for high TDS and high pressure. Resource recovery — including lithium brine — is NF territory, where NF-8040-400-HR balances rejection and flux. For integrated lithium-brine processing, Wave Cyber's DLE Systems pair the right membrane with the recovery train.

Nanofiltration · 8040

OSPURA-NF-8040-400-HR

Flow: 8,400 GPD
Rejection: 99%

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Nanofiltration · 8040

OSPURA-NF-8040-HP

Flow: 8,300 GPD
Rejection: 99%

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Nanofiltration · 8040

OSPURA-NF-8040-400-HR-34

Flow: 8,400 GPD
Rejection: 99%

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Nanofiltration · 4040

OSPURA-NF-4040-HP

Flow: 1,900 GPD
Rejection: 99%

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Nanofiltration · 4040

OSPURA-NF-4040-HR

Flow: 1,900 GPD
Rejection: 99%

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Seawater RO · 8040

OSPURA-SW-8040-HF

Flow: 8,200 GPD
Rejection: 99.7%

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Seawater RO · 8040

OSPURA-SW-8040-HF-34

Flow: 8,200 GPD
Rejection: 99.7%

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Fouling Resistant · 8040

OSPURA-FR-8040-400-34

Flow: 10,500 GPD
Rejection: 99.6%

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Fouling Resistant · 8040

OSPURA-FR-8040-400

Flow: 10,500 GPD
Rejection: 99.6%

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FAQ

Questions procurement engineers ask.

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