Semiconductor Ultrapure Water Pretreatment DOW UF Membranes SFP-2860 / SFD-2860 PVDF Module 51 m2

A semiconductor fab ultrapure water plant is only as stable as its pretreatment section. If RO membranes are fouled by particles or colloids, the entire UPW train suffers swings in resistivity, TOC and silica that threaten wafer yield. The DOW UF membrane SFP-2860 / SFD-2860 module sits directly upstream of the RO array and removes suspended solids, bacteria and colloids to a level that allows the RO and downstream electrodeionization to perform at their design level, day after day.

The SFP-2860 packs 51 m2 of PVDF hollow fiber into a standard 8-inch module and operates in outside-in dead end mode, which suits the continuous high-availability duty of semiconductor water plants. The module tolerates sodium hypochlorite cleaning up to 2000 mg/L, an important feature when biological fouling must be stripped from the fibers during warm months.

• UPW-grade pretreatment: protects RO membranes in ultrapure water production, keeping the whole make-up train stable from raw water to polishing loop.
• 51 m2 high-density fiber bundle: delivers up to 6.1 m3/hr per module, minimizing the number of vessels in the pretreatment hall.
• 0.03 um absolute barrier: removes particles, colloids and bacteria that would otherwise shorten RO membrane life and disturb UPW quality.
• High chlorine tolerance: accepts up to 2000 mg/L NaOCl for effective disinfection cleaning of the fiber bundle.
• Reliable automatic operation: dead end filtration with air scour and backwash keeps the system running unattended between maintenance rounds.
• Robust mechanical design: the reinforced fiber and U-PVC housing withstand repeated backwash and CIP cycles over many years of service.
• Proven in industry: the IntegraFlux platform is specified by water treatment contractors for electronics, semiconductor and display fab projects worldwide.

Semiconductor and flat panel display fabs use the SFP-2860 in the make-up water plant between pretreatment clarifiers and the RO / degasifier / EDI chain. By delivering silt-free, colloid-free RO feed, the UF modules allow the RO to operate at stable flux and the EDI stacks to produce 18 MOhm-cm water without interruption. The same configuration serves data center cooling make-up and pharmaceutical purified water generation.

For expansion projects, additional SFP-2860 modules are simply added to the existing rack, and the automatic backwash system adjusts the sequencing without changing the plant control philosophy. Our engineers provide flux projection and rack sizing based on the raw water analysis and target UPW capacity.

SFP-2860 / SFD-2860 modules are shipped wet with sealed end caps in individual export cartons, each with a factory test certificate documenting fiber integrity. Standard stock delivery is 5-8 working days, with project scheduling available for multi-rack orders.

We supply original DOW / DuPont IntegraFlux modules with full batch traceability and offer commissioning support, backwash programming assistance and cleaning recommendations. Share your raw water quality and required UPW capacity to receive a detailed pretreatment proposal.