During Anaerobic Digestion, which gas is typically produced after methane?

Study for the GWWI WEF Wastewater Treatment Fundamentals Test. Review key concepts with flashcards and multiple-choice questions, complete with hints and explanations. Prepare to ace your exam!

During anaerobic digestion, the primary process involves the breakdown of organic matter in the absence of oxygen, which leads to the production of biogas. This biogas is primarily composed of methane, but it also contains other gases, with carbon dioxide being one of the most significant byproducts.

After methane, carbon dioxide is typically produced as a secondary product of the microbial processes during digestion. The anaerobic microorganisms decompose organic material, resulting in methane and carbon dioxide being released as the two main gaseous end products. Carbon dioxide can constitute a substantial portion of the biogas mix, often around 30-50%, depending on the conditions and the type of feedstock undergoing digestion.

The relevance of understanding this process lies in the applications of biogas in energy production and its potential environmental impact. Recognizing the role of carbon dioxide in this series of reactions can help in optimizing anaerobic digestion systems for better gas production and higher energy yields.

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