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Optimizing Zeolite Membrane Synthesis Methods (Task 5.0) (Cont’d) — Best results achieved via in-situ synthesis with solutions of high pH (NaOH) for hydrothermal synthesis and two-step CCD modification at 450 – 500C. Method Hydrothermal precursor Seed layer Conditions (hydrothermal & CCD modification) Quality before CCD Quality post CCD In situ SiO2+H2O+ NaOH+TPAOH No Hydrothermal: 180C/8h/rotation CCD: 450 – 500C; two-step Excellent Excellent aH2/CO2 ~ 20 - 50 In situ SiO2+H2O+ AlCl3+NaOH +TPAOH No Hydrothermal: 180C/6h/rotation CCD: 450; two-step Good Good aH2/CO2 ~ 10 - 20 Secondary growth TEOS+H2O+ AlCl3+NaOH +TPAOH Yes; Silica- lite Hydrothermal: 165C/6h/rotation CCD: 450C; two-step Excellent Good aH2/CO2 ~ 12 Secondary growth TEOS+H2O+ AlCl3+NaOH +TPAOH Yes; ZSM-5 Hydrothermal: 165C/6h/rotation CCD: 450C; two-step Average Poor aH2/CO2 < 10 28PDF Image | Zeolite Membrane Reactor CO2 Capture
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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