Hydrogen Sulfide Formation in Anaerobic Digestion Biogas: Difference between revisions
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**[[Total Organic Sulfur]] + [[Total Inorganic Sulfur]] | **[[Total Organic Sulfur]] + [[Total Inorganic Sulfur]] | ||
*Then via the [[Sulfur Cycle]] it will either end up in: | *Then via the [[Sulfur Cycle]] it will either end up in: | ||
**The [[Biogas]] (As [[H2S]] | **The [[Biogas]] (As [[H2S]] ) | ||
**The Digestate (As Insoluable Precipitates | **The Digestate (As Insoluable Precipitates) | ||
***Tank/Pipe Fouling due to this may be a concern as well | ***Tank/Pipe Fouling due to this may be a concern as well | ||
**Or in the [[Anaerobic Digestion Effluent]] as Soluble Compounds, Organic Sulfur, or Suspended Insoluble Compounts/H2S | **Or in the [[Anaerobic Digestion Effluent]] as Soluble Compounds, Organic Sulfur, or Suspended Insoluble Compounts/H2S | ||
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=Internal Links= | =Internal Links= | ||
*[[Open Source Biodigester Calculations]] | |||
*[[Total Sulfur]] / [[Total Sulfur Analysis]] | *[[Total Sulfur]] / [[Total Sulfur Analysis]] | ||
*[[Hydrogen Sulfide]] | *[[Hydrogen Sulfide]] | ||
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=External Links= | =External Links= | ||
* | *[https://pubmed.ncbi.nlm.nih.gov/22864178/ A 2012 Study Titled “ Prediction of hydrogen sulphide production during anaerobic digestion of organic substrates” ] | ||
*[https://www.sciencedirect.com/science/article/abs/pii/S004896972031490X A 2020 Study Titled “ Characteristics and mechanisms of H2S production in anaerobic digestion of food waste” ] | |||
**Might not be in their native language/potentially check + get a native speaker to translate? | |||
**That and/or i need to learn Mandarin Chinese | |||
*[https://www.mdpi.com/1996-1073/14/14/4205 A 2020 [[Open Access]] Paper in “Energies” Titled “ Determination of Nitrogen and Sulphur Mineralization in Batch and Semi-Continuous Anaerobic Digestion Using an Artificial Fiber Bag Technique” ] | |||
Latest revision as of 21:46, 17 January 2026
Basics
- This page aims to cover the issue of Hydrogen Sulfide ( H2S ) in the Biogas produced by Aerobic Digestion
- Some discussion on how this impacts Biogas use / Biogas Upgrading , or Occupational Safety / Confined Space Entry procedures and such will be done, but refer to those pages for more thorough discussion of that
Origin and Destinations
- Total Sulfur
- Then via the Sulfur Cycle it will either end up in:
- The Biogas (As H2S )
- The Digestate (As Insoluable Precipitates)
- Tank/Pipe Fouling due to this may be a concern as well
- Or in the Anaerobic Digestion Effluent as Soluble Compounds, Organic Sulfur, or Suspended Insoluble Compounts/H2S
Quantification
- Quantification of H2S in Biogas
- Or potentially inference of this via “burn rate” of Steel Wool/Iron Filings Reactants, or Removal Rate of Elemental Sulfur/Sulfuric Acid in a Biogas Upgrader
- Quantification of the Anaerobic Digestion Effluent
- Via Liquid Chromatography–Mass Spectrometry ?
- May also be able to Centrifuge Solids out, then be able to distinguish between liquid effluent and effluent-suspended solids
- Quantification of Digestate Composition
- Matrix-Assisted Laser Desorption/Ionization ?
- Alternatively Doing LC-MS of Various Solvent-Sample Solutions?
- Inductively Coupled Plasma Atomic Emission Spectroscopy ?
- The latter two seem rather intensive, so may be a matter of sending samples to an off-site lab on occasion
- The former may be more easily adapted to a plant’s in-house operations
Internal Links
- Open Source Biodigester Calculations
- Total Sulfur / Total Sulfur Analysis
- Hydrogen Sulfide
- Biogas / Biogas Upgrading
External Links
- A 2012 Study Titled “ Prediction of hydrogen sulphide production during anaerobic digestion of organic substrates”
- A 2020 Study Titled “ Characteristics and mechanisms of H2S production in anaerobic digestion of food waste”
- Might not be in their native language/potentially check + get a native speaker to translate?
- That and/or i need to learn Mandarin Chinese
- A 2020 Open Access Paper in “Energies” Titled “ Determination of Nitrogen and Sulphur Mineralization in Batch and Semi-Continuous Anaerobic Digestion Using an Artificial Fiber Bag Technique”