Guides to choosing industrial water treatment · Page 5
Compare technologies, prepare project data and assess investment. Practical answers on reverse osmosis, ultrafiltration, ceramic membranes and nanobubbles.
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Design and costs
Which soluble COD passes through ultrafiltration
A test plan to distinguish physical retention, dissolved carbon and biodegradability before selecting treatment to complement UF.
Read articleDesign and costsSDI, turbidity and TSS before reverse osmosis
Interpret inconsistent signals, define sampling points and specify RO pretreatment without converting turbidity into TSS or SDI.
Read articleNanobubbles
DAF recycle and the air-to-solids ratio
Check released air, solids loading and recycle hydraulics before attributing poor dissolved air flotation to chemical dose.
Read articleNanobubblesSizing a GENESIS™ nanobubble generator
Circuit flow, gas, pressure, water and process objective for choosing GENESIS™ without confusing device flow with total plant flow.
Read articleReverse osmosis and reuse
Industrial RO concentrate: management options
Balance, characterisation and management routes for reverse-osmosis reject in industrial reuse.
Read articleReverse osmosis and reuseRecovered water for cooling towers: when to use RO
Makeup and blowdown balance, cycle chemistry and treatment choice for industrial cooling-water reuse.
Read articleReverse osmosis and reuseReverse osmosis with hot water: design and limits
Temperature, flux, salt passage, materials and heat balance when treating warm industrial water with RO.
Read articleReverse osmosis and reuseDairy water reuse: choosing UF, NF and RO
Separate product recovery from effluent treatment and choose membrane stages by fats, proteins, salts and final water use.
Read articleReverse osmosis and reuseReverse osmosis with high COD: pretreatment
Why COD alone does not set an RO feed limit and how to assess pretreatment, fouling, recovery and concentrate.
Read articleUF and concentration
High-solids UF pilots: acceptance criteria
UF trial protocol for net flux, concentration, cleaning and both outlet destinations before sizing.
Read articleUF and concentrationFlux, TMP and crossflow velocity in UF
Evaluate production, fouling and energy in high-load crossflow UF with comparable testing.
Read articleUF and concentrationPig manure pretreatment for UF and reverse osmosis
Characterize and separate pig-slurry solids before membranes while accounting for fouling, dissolved nutrients and every outlet stream.
Read articleUF and concentrationPreconcentration: the evaporator feed balance
Equations and data for estimating evaporator feed after UF, separating water removal from energy savings and accounting for both membrane outlets.
Read articleUF and concentrationUF before evaporation: when it adds value
Calculate when UF can reduce evaporator feed. Solids balances, permeate destinations and whole-train consumption.
Read articleUF and concentrationDigestate ultrafiltration: assessing feasibility
Feasibility checks for digestate UF: fibres, oils, viscosity, net flux, permeate quality and concentrate handling.
Read articleUF and concentrationCrossflow or dead-end UF: choosing for high solids
Compare solids accumulation, recirculation, energy and cleaning when treating high-load streams by ultrafiltration.
Read articleUF and concentrationDead-end UF with high solids: output and backwash
Cake build-up, backwashing and net output in dead-end UF of loaded water, with criteria for comparing pretreatment and crossflow.
Read articleGet a proposal for your project.
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