Effect of Moisture on Methane Permeation Through Fermenter Covering Films in Biogas Plants
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Abstract
Methane permeation through polyamide and polyethylene mono and multilayer films has been measured via direct coupling of a gaschromatograph with a permeation measurement cell. Methane permeabilities [in cm3 (STP)·mm·d−1·bar−1·m−2] for single films were found to be 335 for polyethylene (PE) at 40°C, 0.64 for polyamide (PA) 6/6.6 with dry gas and 8.7 for PA 6/6.6 with water vapour saturated test gas. As a result, under operating conditions of biogas production facilities (40°C, water vapour saturated), the replacement of PE by PA, as biogas membrane on top of a fermenter, can reduce methane emission through permeation by a factor of about 40.
Dedicated to: Eckart Rühl on the occasion of his 60th birthday.
Acknowledgements
We thank Dr. R. Minkwitz and Dr. S.A. Gruener from BASF for providing the samples and for many useful discussions. Financial support from BASF is also gratefully acknowledged.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Eckart Rühl zum 60. Geburtstag
- Effect of Moisture on Methane Permeation Through Fermenter Covering Films in Biogas Plants
- The Effect of Natural Osmolyte Mixtures on the Temperature-Pressure Stability of the Protein RNase A
- Composition, Mixing State and Water Affinity of Meteoric Smoke Analogue Nanoparticles Produced in a Non-Thermal Microwave Plasma Source
- Characterization of Trinuclear Oxo Bridged Cobalt Complexes in Isolation
- White-Light Supercontinuum Laser-Based Multiple Wavelength Excitation for TCSPC-FLIM of Cutaneous Nanocarrier Uptake
- Distinction of Structural Isomers of Benzenediamin and Difluorobenzene by Means of Chirped Femtosecond Laser Ionization Mass Spectrometry
- Intermolecular Interactions of Pyridine in Liquid Phase and Aqueous Solution Studied by Soft X-ray Absorption Spectroscopy
- Influence of Local Environment on Inner Shell Excitation Spectra, Studied by Electron and X-ray Spectroscopy and Spectromicroscopy
- Photocatalytic Iron Oxide Micro-Swimmers for Environmental Remediation
- Fabrication of Protein Microparticles and Microcapsules with Biomolecular Tools
- Catalysis by Metallic Nanoparticles in Solution: Thermosensitive Microgels as Nanoreactors
- Temperature-Enhanced Follicular Penetration of Thermoresponsive Nanogels
- Influence of Organic Ligands on the Surface Oxidation State and Magnetic Properties of Iron Oxide Particles
- VUV Dissociative Photoionization of Quinoline in the 7–26 eV Photon Energy Range
- Spin-labeling of Dexamethasone: Radical Stability vs. Temporal Resolution of EPR-Spectroscopy on Biological Samples
- Band Bending at the Gold (Au)/Boron Carbide-Based Semiconductor Interface
- Spectral Distribution of Oscillator Strength for Core-to-Valence Transitions probed by using X-ray Absorption and Total Electron Yield Modes
- Protease-mediated Inflammation: An In Vitro Human Keratinocyte-based Screening Tool for Anti-inflammatory Drug Nanocarrier Systems
Articles in the same Issue
- Frontmatter
- Eckart Rühl zum 60. Geburtstag
- Effect of Moisture on Methane Permeation Through Fermenter Covering Films in Biogas Plants
- The Effect of Natural Osmolyte Mixtures on the Temperature-Pressure Stability of the Protein RNase A
- Composition, Mixing State and Water Affinity of Meteoric Smoke Analogue Nanoparticles Produced in a Non-Thermal Microwave Plasma Source
- Characterization of Trinuclear Oxo Bridged Cobalt Complexes in Isolation
- White-Light Supercontinuum Laser-Based Multiple Wavelength Excitation for TCSPC-FLIM of Cutaneous Nanocarrier Uptake
- Distinction of Structural Isomers of Benzenediamin and Difluorobenzene by Means of Chirped Femtosecond Laser Ionization Mass Spectrometry
- Intermolecular Interactions of Pyridine in Liquid Phase and Aqueous Solution Studied by Soft X-ray Absorption Spectroscopy
- Influence of Local Environment on Inner Shell Excitation Spectra, Studied by Electron and X-ray Spectroscopy and Spectromicroscopy
- Photocatalytic Iron Oxide Micro-Swimmers for Environmental Remediation
- Fabrication of Protein Microparticles and Microcapsules with Biomolecular Tools
- Catalysis by Metallic Nanoparticles in Solution: Thermosensitive Microgels as Nanoreactors
- Temperature-Enhanced Follicular Penetration of Thermoresponsive Nanogels
- Influence of Organic Ligands on the Surface Oxidation State and Magnetic Properties of Iron Oxide Particles
- VUV Dissociative Photoionization of Quinoline in the 7–26 eV Photon Energy Range
- Spin-labeling of Dexamethasone: Radical Stability vs. Temporal Resolution of EPR-Spectroscopy on Biological Samples
- Band Bending at the Gold (Au)/Boron Carbide-Based Semiconductor Interface
- Spectral Distribution of Oscillator Strength for Core-to-Valence Transitions probed by using X-ray Absorption and Total Electron Yield Modes
- Protease-mediated Inflammation: An In Vitro Human Keratinocyte-based Screening Tool for Anti-inflammatory Drug Nanocarrier Systems
