Guides to choosing industrial water treatment · Page 4
Compare technologies, prepare project data and assess investment. Practical answers on reverse osmosis, ultrafiltration, ceramic membranes and nanobubbles.
View articlesArticles 55–72 of 106 · Newest first
Design and costs
DAF or ultrafiltration: choosing for your wastewater
Compare DAF and UF for industrial wastewater: fats, solids, effluent quality, chemicals and residuals. When to combine them or assess a replacement.
Read articleDesign and costsFAT and SAT for reverse osmosis and UF plants
What to verify at the factory and on site when buying RO, UF or desalination: controls, documentation, output, quality and acceptance criteria.
Read articleMBRs and wastewater plants
Solids in biological effluent: UF options
Distinguish biomass carryover from dissolved contamination and choose between an UltraFlux™ external MBR and tertiary UF of settled effluent.
Read articleMBRs and wastewater plantsExternal or submerged MBR for industrial wastewater
Compare external and submerged MBR layouts, equipment access, integration, cleaning and total cost for industrial plant upgrades.
Read articleMBRs and wastewater plantsConverting a treatment plant to an external MBR
Integrating UltraFlux™ with an existing biological reactor or SBR: mixed liquor, biomass return, equipment access and project inputs.
Read articleMembrane replacement
Information to quote UF membrane replacement
A practical data checklist for tubular UF membrane replacement enquiries, comparable quotations and a shutdown with a defined integration scope.
Read articleMembrane replacementBerghof module replacement: compatibility
What to verify before replacing Berghof tubular UF modules: identification, connections, hydraulics, separation, cleaning and integration of alternatives.
Read articleMembrane replacementTubular UF membranes: clean or replace
Plan tubular UF membrane replacement using recovery after cleaning, permeate quality and the useful production required from the existing plant.
Read articleNanobubbles
From dissolved oxygen to kg O₂/h: aeration balance
Distinguish DO concentration, inventory, biological demand and oxygen transfer when evaluating additional aeration capacity.
Read articleNanobubblesAir or oxygen: compare consumption and transfer
Compare air and oxygen using transferred O₂ mass, declared gas reference conditions, total power and the same water-treatment duty.
Read articleReverse osmosis and reuse
Two-stage or double-pass RO: the difference
Understand two-stage and double-pass reverse osmosis: concentrate versus permeate feed, overall recovery and final water quality. Worked flow balances.
Read articleReverse osmosis and reuseRO dechlorination: activated carbon or bisulfite
Compare activated carbon and bisulfite ahead of reverse osmosis, including chlorine species, mixing, monitoring and protective actions.
Read articleReverse osmosis and reuseWater softener or reverse osmosis: how to choose
Compare industrial softening and RO for hardness, conductivity, silica, regeneration and combined treatment. Select around the water specification.
Read articleReverse osmosis and reuseIndustrial reverse osmosis cost per usable m³
Calculate industrial RO cost per usable cubic metre, including feedwater, energy, concentrate, maintenance and net output. A transparent worked example.
Read articleReverse osmosis and reuseCooling tower blowdown reuse: silica limits
A silica balance for RO treatment of cooling tower blowdown, covering recovery, pretreatment, reusable water quality and concentrate outlets.
Read articleReverse osmosis and reuseBlending RO permeate for cooling tower makeup
Species balances, blend proportion and RO flows in an illustrative cooling-tower makeup calculation.
Read articleUF and concentration
UF: distinguish fouling from integrity loss
A diagnostic sequence combining quality, permeability and integrity testing to distinguish membrane damage from hydraulic fouling.
Read articleUF and concentrationNormalising UF permeability for temperature
Reference temperature, formula and an illustrative calculation for comparing ultrafiltration permeability across operating temperatures.
Read articleGet a proposal for your project.
Tell us what you need to solve and which water you treat. Start with the information you have.
We will review the application and explain the solution we can supply or the information needed to assess it.
Contactcomercial@neptunoes.comEmail water analyses, photographs and drawings to our sales address.