Filtration for Chemical, Acid, Caustic & Scrubber Streams
Wet scrubbers strip particulate and acid gases out of stack emissions — and in the process, concentrate that load into a blowdown stream that's typically corrosive, hot, and laden with solids. Chemical process streams have similar profiles: aggressive chemistry plus particulate that has to be controlled before reuse, neutralization, or discharge.
K Factor delivers automatic backwash pressure filters and inline strainers in corrosion-resistant builds engineered for continuous duty on these streams.
The filtration challenges in this industry
Aggressive chemistry
Acid and caustic blowdown demands corrosion-resistant wetted parts — carbon steel filters fail quickly on these streams.
High solids loading
Scrubber blowdown carries fly ash, gypsum, and reaction-product solids that quickly plug consumable cartridges.
Reuse vs discharge economics
Treating blowdown to reuse standards is more economical than continuous purchase of fresh chemistry — but only with reliable filtration.
Continuous-duty requirement
Process plants can't tolerate filter swap windows; the cleaning system has to be inline and self-managing.
How K Factor solves them
K-Optifil® with corrosion-resistant wetted parts
Plastic media and stainless internals matched to your chemistry — continuous self-cleaning, no consumable media.
Plastic media filters
Where carbon steel fails, our plastic media filter line handles aggressive chemistry without coatings or sacrificial inserts.
Inline strainers as protection stage
Coarse-solid removal upstream of finer filtration extends downstream filter life and reduces backwash frequency.
Engineered skid packages
Custom-engineered blowdown filtration skids matched to your flow, pressure, chemistry, and footprint.
Recommended products
Filter platforms most often deployed in this industry.
Application detail pages
Process-specific deep-dives within this industry.
Frequently asked questions
What is the best filter for scrubber blowdown?
An automatic backwash pressure filter built with corrosion-resistant wetted parts (plastic media or 316L stainless, matched to the chemistry) is the standard solution. It runs continuously on the high-solids, aggressive blowdown stream without consumable media and without manual basket pulls.
How do you filter acidic or caustic process streams?
Aggressive chemistry requires material-matched construction — typically a plastic-bodied filter or stainless build with elastomer selection specific to the acid/base concentration and temperature. K Factor's plastic media filter line and engineered skids are designed specifically for these duties.
Can scrubber blowdown be reused?
Yes — with reliable upstream filtration, blowdown can be returned to the scrubber loop instead of going to discharge, cutting fresh-chemistry cost. The filter is the enabling step; the economics typically justify the filter on chemistry savings alone.
What materials of construction are available?
We build in 316/316L stainless, plastic-bodied options for aggressive chemistry, and special alloys on engineered packages.
Can you handle hot blowdown?
Yes. Material selection and gasket specification are matched to operating temperature on every project.
Do you provide skid-mounted packages?
Yes — our Custom Engineering team builds skid packages with controls, instrumentation, and piping pre-fabricated for plug-in installation.
Talk to an industry specialist
Tell us about your flow rate, fluid, contamination profile, and uptime requirements. We'll match you to the right K Factor platform — or engineer one to spec — and back it with a 30-day in-plant trial.