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- W3047893171 endingPage "24452" @default.
- W3047893171 startingPage "24424" @default.
- W3047893171 abstract "The current review purpose is to present a general overview of measurement methods of hydrogen in dark fermentative hydrogen production. The gas measurement is performed with manometric and volumetric devices by manual and automatic methods. The hydrogen gas measuring devices must be simple to construct and use, inexpensive, accurate, durable, and economical. The methods of water displacement, plunger displacement, commercial gas meter, respirometer, and manometric were used to measure volume and rate of biogas. For measurement of hydrogen fraction in the biogas, gas chromatography and hydrogen sensor were employed. The advantages and drawbacks of each method are highlighted and some works of their uses in dark fermentation are presented. Literature shows that the water displacement method and gas meter were extensively used to measure biogas volume and flow and gas chromatography with thermal conductivity detector with a Molecular Sieve 5A column and nitrogen as carrier was widely employed to measure biohydrogen. • GC is accurate and needing small sample however is expensive and energy-intensive. • Gas meter is accurate and easy to use but is not suitable to measure low gas flow. • Water displacement is simple, easy to use, and inexpensive but is labor-intensive. • Using GC with water displacement or gas meter is accurate to measure hydrogen." @default.
- W3047893171 created "2020-08-13" @default.
- W3047893171 creator A5047329549 @default.
- W3047893171 date "2020-09-01" @default.
- W3047893171 modified "2023-10-02" @default.
- W3047893171 title "A review of measurement methods of biological hydrogen" @default.
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