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  1. Anaerobic digestion - Wikipedia

    Anaerobic digestion is a sequence of processes by which microorganisms break down biodegradable material in the absence of oxygen. [1][2] The process is used for industrial or domestic purposes to …

  2. How Does Anaerobic Digestion Work? - US EPA

    Dec 15, 2025 · Anaerobic digestion is a process through which bacteria break down organic matter—such as animal manure, wastewater biosolids, and food wastes—in the absence of oxygen.

  3. Anaerobic digestion | Benefits, Process & Applications | Britannica

    Anaerobic digestion, chemical process in which organic matter is broken down by microorganisms in the absence of oxygen, which results in the generation of carbon dioxide (CO2) and methane (CH4).

  4. How Does Anaerobic Digestion Work? - Biology Insights

    Aug 27, 2025 · Anaerobic digestion is a natural biological process where microscopic organisms break down organic materials without oxygen. This process transforms various forms of waste, ranging …

  5. Anaerobic Digestion Overview - University of Maryland Extension

    Jul 3, 2025 · Anaerobic digestion is a technological process that transforms waste into renewable energy while reducing greenhouse gas emissions. During anaerobic digestion, biogas is produced from a …

  6. 11.1 Anaerobic Digestion | EGEE 439: Alternative Fuels from Biomass …

    Anaerobic digestion (AD) is a biological process that breaks down organic materials (feedstocks) in the absence of oxygen (anaerobic conditions) into methane (CH 4) and carbon dioxide (CO 2). It is a …

  7. Anaerobic Digestion - GeeksforGeeks

    Jul 23, 2025 · Anaerobic digestion is a naturally occurring biological process in which microorganisms break down organic materials in the absence of oxygen. This process takes place in a variety of …

  8. Anaerobic Digestion - Purdue University College of Agriculture

    Nov 19, 2024 · Anaerobic digestion is the bacterial decomposition of organic compounds in an oxygen-free environment. This process involves four stages: hydrolysis, acidogenesis, acetogenesis, and …

  9. Basic Information about Anaerobic Digestion | US EPA

    Oct 1, 2025 · What is Anaerobic Digestion? Anaerobic digestion is the process by which microorganisms break down organic (carbon-based) materials in the absence of oxygen. In this instance, “organic” …

  10. Anaerobic Digestion - an overview | ScienceDirect Topics

    Anaerobic digestion is defined as a biological process that occurs in the absence of oxygen, where bacteria degrade organic waste to produce biogas primarily composed of methane and carbon …