Porous coated mobile carriers anchor nanoparticles to remove and recover phosphates and ammonium salts while minimizing particle loss.
Intermittent polarization in a microbial electrochemical reactor speeds degradation of toxic refractory organics while lowering energy use.
A semi-plug flow ion exchange process with in-situ resin regeneration and lime softening removes salts and anions with less energy and waste.
A settling tank and retentate recycle loop cut membrane fouling and transmembrane pressure while improving wastewater energy recovery.
Using 222 nm UV to activate persulfate, this case shows lower-complexity PFAS destruction in wastewater, including semiconductor streams.
Pressure-based valve switching routes brine to pump inlet ports, recovering brine energy to cut RO desalination power use.
Magnetic nanoparticle-coated mobile carriers capture phosphates and ammonium salts, then use pH tuning and staged separation for recovery.
A reusable cartridge with a reversible closure and color-changing treatment media makes depletion visible while reducing disposable waste.
Periodic voltage switching generates acidic water inside a CDI channel to dissolve scale and preserve deionization efficiency.
A portable containerized mixer delivers continuous borated water during nuclear emergencies when fixed supply facilities or power-dependent systems fail.
Recirculation between cascading deionization cells manages salt gradients to cut energy loss, reduce scaling, and use electrode material more efficiently.
Tracking membrane pressure-resistance trends reveals insufficient backwash or chemical cleaning, helping stabilize fresh water generator operation.
Alternating series sequencing keeps both softeners active, cutting Legionella risk, improving water quality, and reducing salt use.
Bypass lines and electro-deionization let one unit deliver softened water sitewide and higher-purity drinking water where needed.
Alkaline injection guided by pH and temperature measurements suppresses silica scale in geothermal return lines while preserving pH accuracy.
Centrifugal separation, magnetic descaling, and germicidal treatment keep recirculating cooling water clean without chemicals or bleed water.
Modular indoor growing units combine lighting, ventilation, and fertigation control to grow diverse crops near consumers with fresher delivery.
UV absorbance with visible-light turbidity correction enables real-time hydrogen peroxide monitoring in water without frequent calibration or maintenance.
Automatic calcium hardness sensing adjusts chlorinator and UV cleaning settings to limit scale buildup and extend pool equipment life.
Calcium phosphate saturation and water chemistry guide real-time corrosion inhibitor dosing to cut scaling, fouling, waste, and cost.
Lateral dual stems and a batwing gasket with mitered corners cut debris fouling and corner leakage in wastewater slide gates.
Balances reclaimed and surface water by tuning nitrogen-phosphorus ratio and replacement rate to curb algae while meeting river flow and quality goals.
A pump-fed nanofiltration setup softens hard water while preserving some minerals, minimizing wastewater, and maintaining continuous whole-home supply.
A bioceramic infuser, pH/TDS sensing, and RFID tracking keep alkaline water stable while automatically logging user water intake.
A motorized smart valve and feedback control adjust chlorine flow to match changing pool demand and keep disinfection levels stable.
By coupling electrodialysis with membrane distillation, this case separates sodium sulfate ions, recovers purified water, and cuts salt-treatment cost.
Self-sealing flexible reagent cartridges simplify pool and spa water testing while reducing leakage, spoilage, and maintenance.
pH adjustment and titanium-electrode electro-oxidation coalesce and remove lipids from waste streams while lowering energy use and organic contamination.
Mixing produced water with wastewater lets Chlorella sorokiniana remove hydrocarbons, nitrogen, and phosphorous in a bioreactor.
Software recalibration uses conductivity-pH correlation to correct long-term drift in low-electrolyte water and keep pH readings stable.
A BAF-first, ozone-second water treatment sequence cuts oxidant demand, limits by-products, and improves micropollutant removal.
Metal salt treatment removes sulfate before produced waters are mixed, keeping calcium sulfate saturation below 1 and preventing pipeline scaling.
ORP control with reducing agents keeps geothermal brine in a reducing state to prevent silica fouling and manage H2S safely.
Sensor feedback adjusts recirculation flow to stabilize purified water pressure and throughput as RO hardware ages, lowering contamination risk.
A transportable filtration unit combines wind and solar power with battery control to treat water where grid access is unavailable.
In-line ultrasound detects bacterial sonic responses in medical water systems, enabling faster CFU monitoring without manual sampling.
ORP readings from the anoxic zone guide dissolved oxygen and nutrient dosing changes to cut aeration energy use and improve nutrient removal.
Catalyst-assisted ozonation treats persistent wastewater pollutants more effectively while limiting bromate formation and reducing treatment time.
A movable partition and staged valve control raise RO recovery while avoiding oversized pressure vessels and extra semi-batch energy use.
A PCA-layered deep echo state network improves effluent NH4-N prediction accuracy and stability while lowering maintenance needs.
Branched water streams integrate electrolysis and reaction to make sodium hypochlorite without anode discharge, storage tanks, or pH dosing.
Interchangeable treatment skids in a standard container enable rapid deployment, flexible process setup, and easier module replacement.
A double-acting piston tank alternates feed and brine sides to cut batch RO downtime, limit mixing, and lower desalination energy use.
Linear-programmed mixing of raw, ball-milled, and iron-modified biochars removes multiple bisphenols with lower material use and better loading prediction.
Calcining dewatered clay tailings creates a pozzolanic blend that avoids gypsum-related water issues and yields useful cementitious material.
Formic acid is injected into the electrolyzer cathode to remove foreign cations, limit membrane degradation, and avoid repeated maintenance shutdowns.
Meso/micro network plates and heat exchange plates overcome heat and mass transfer limits for stable continuous clathrate hydrate production.
Continuous sensing and feedback control keep antimicrobial levels in dental unit water within target range, reducing manual errors and contamination risk.
A cation exchange membrane moves ammonium for electrochemical nitrogen recovery while phosphorus is precipitated as a solid from wastewater.
Real-time pond mapping, sediment scanning, and decomposition control improve tail water coverage and stabilize clean, oxygen-rich recirculation.