Process Engineering & Water Systems · Dr.-Ing. Markus Meier

Pioneering Technologies for Tomorrow's Water Treatment

Independent engineering insights on ozonation (quaternary stage), pure oxygen aeration, hydrodynamic cavitation, and PFAS destruction for plant operators, municipalities, and EPC contractors.

99.8 %
Micropollutant Removal
5 ×
O2 Mass Transfer vs. Air
-50 %
Specific Energy Demand
100 %
Vendor Independent

Technical Insights & Engineering Analyses

Experimental benchmarks, patent reviews, and thermodynamic system designs.

Ozone (O3): The Strongest Oxidant in Quaternary Treatment Ozonation
Dr.-Ing. Markus Meier August 2026

Ozone (O3): The Strongest Oxidant in Quaternary Treatment

Why ozonation is the benchmark technology for micropollutant and microplastic elimination in municipal and industrial wastewater facilities.

80–90 % Micropollutant Removal
4th Stage Treatment Level
Pure Oxygen (O2) vs. Ambient Air: Aeration Efficiency Gas Injection
Dr.-Ing. Markus Meier August 2026

Pure Oxygen (O2) vs. Ambient Air: Aeration Efficiency

How targeted pure oxygen dissolution slashes energy consumption in aeration basins by up to 50% and dramatically maximizes standard oxygen transfer efficiency (SOTE).

5× Higher O2 Solubility
-50 % Specific Energy Demand
Gas Injection & Microbubbles: Venturi & Thermodynamics Engineering
Dr.-Ing. Markus Meier August 2026

Gas Injection & Microbubbles: Venturi & Thermodynamics

Hydrodynamic fundamentals of mass transfer: Henry's Law, Whitman two-film theory, Venturi injector nozzles, and bubble-free membrane contactors.

35–45 % SOTE Microbubbles
25× CO₂ Solubility vs. O₂
Ozone-Oxygen Separation & Hydrophobic Membranes Membranes
Dr.-Ing. Markus Meier August 2026

Ozone-Oxygen Separation & Hydrophobic Membranes

Cryogenic enrichment and bubble-free ozone mass transfer via PTFE/PVDF membrane modules to eliminate off-gas hazards and bromate formation.

>20 wt% Ozone Concentration
PTFE/PVDF Hydrophobic Matrix
Sewage Sludge Co-Incineration in Power Stations Circularity
Dr.-Ing. Markus Meier August 2026

Sewage Sludge Co-Incineration in Power Stations

Thermochemical valorization of municipal biosolids: sludge volume reduction, phosphorus recovery, and industrial CO2 emission avoidance.

79 % Sludge Reduction
15.2 Mt COâ‚‚/yr Avoided
Hydrodynamic Cavitation & AOP: Synergistic Oxidation Cavitation
Dr.-Ing. Markus Meier August 2026

Hydrodynamic Cavitation & AOP: Synergistic Oxidation

Localized extreme shockwaves generate hydroxyl radicals (OH•), accelerating refractory chemical destruction kinetics by multiple factors.

OH• Radicals Active Species
3.4× Kinetics Acceleration
PFAS & PFOS Degradation: Destroying Forever Chemicals PFAS
Dr.-Ing. Markus Meier August 2026

PFAS & PFOS Degradation: Destroying Forever Chemicals

Cleaving ultra-stable carbon-fluorine bonds through integrated hydrodynamic cavitation, ozone plasma, and advanced oxidation architectures.

99.8 % Degradation Rate
C-F Bond Molecular Cleavage
Ozone Strong Water Dosing: High-Concentration Side-Streams Engineering
Dr.-Ing. Markus Meier August 2026

Ozone Strong Water Dosing: High-Concentration Side-Streams

Economic design of side-stream mass transfer: Achieving maximum ozone saturation with minimal hydraulic pressure loss across main flows.

45 mg/L Ozone Saturation
-35 % Pressure Loss
CO2 Sequestration & Neutralization in Alkaline Effluents Circularity
Dr.-Ing. Markus Meier August 2026

CO2 Sequestration & Neutralization in Alkaline Effluents

Industrial carbon capture and utilization (CCU): Using flue gas CO2 for mineral acid-free pH balancing and bicarbonate buffering.

0 Mineral Acids Chemical-Free pH
Bicarbonate Permanent Buffer
Membrane & Ultrafiltration in Advanced Water Treatment Membranes
Dr.-Ing. Markus Meier August 2026

Membrane & Ultrafiltration in Advanced Water Treatment

Hollow-fiber modules and cross-flow filtration: complete barrier against bacteria, viruses, and colloids as upstream/downstream stage for ozonation.

0.02 µm Pore Rating
Log 4 Viral Rejection

Engineering Advisory & System Audits for Water Treatment Facilities

Are you planning a quaternary treatment upgrade, optimizing pure oxygen gas dissolution in biological tanks, or seeking cost-effective PFAS remediation strategies? I provide thermodynamic modelling, mass balance calculations, and vendor-neutral advisory.

  • Ozone & Oxygen Gas Transfer Optimization
  • Quaternary Treatment Feasibility Studies
  • Cavitation & AOP Reactor Design
  • Vendor-Neutral CAPEX / OPEX Verification
MM
Dr.-Ing. Markus Meier
Bioprocess & Chemical Engineering · Düsseldorf
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