Biogas pH Control Equipment: Monitoring, Alkalinity and Dosing for Anaerobic Digesters
Biogas pH control involves much more than measuring pH and adding alkali. Learn how digester pH probes, alkalinity, VFAs, FOS/TAC and dosing equipment work together to identify and prevent anaerobic digestion process instability
Anaerobic Digestion Plant Design: A Practical Guide to Digester Sizing, Layout and Engineering
Successful anaerobic digestion plant design begins with the feedstock, not with a digester tank selected from a catalogue. The quantity, composition and variability of the material entering the plant determine the digestion process, reactor volume, feeding system, mixing duty, heating demand, biogas production, digestate output and much of the civil engineering. An AD plant must […]
Biogas Generator Manufacturers: How to Compare Gas Engine and CHP Suppliers
Choosing between biogas generator manufacturers is not simply a matter of comparing the number of kilowatts printed on competing quotations. A generator set that looks excellent on a datasheet can become expensive very quickly if it is poorly matched to the available biogas, difficult to service locally, sensitive to contaminants or routinely operated well below […]
Biogas Companies Europe: Turnkey AD Plant Contractors and Manufacturers
This updated list of biogas companies in Europe focuses on businesses that can design, supply, construct or commission a complete anaerobic digestion plant. It includes established EPC contractors, turnkey biogas plant manufacturers and specialist system providers serving agricultural, food-waste, municipal-organic-waste and industrial projects. The expression complete biogas plant manufacturer can be confusing. It does not […]
Anaerobic Co-Digestion: Feedstock Combinations and Why They Work
Anaerobic co-digestion is the simultaneous digestion of two or more different biodegradable feedstocks in the same anaerobic digester. Typical combinations include food waste with manure or slurry, food waste with sewage sludge, and agricultural residues with animal manures. The idea sounds simple: mix organic materials together and produce biogas. But successful co-digestion is much more […]
How to Make Biogas: From Organic Waste to Renewable Gas
Biogas is made when microorganisms break down biodegradable organic material in the absence of oxygen. The controlled process is called anaerobic digestion, and it can convert food waste, animal manure, sewage sludge, crop residues and many other organic materials into a useful renewable gas. The principle sounds simple: place biodegradable material in an airtight digester […]
What Is Biomethane? How It’s Made, Used and Why It’s Renewable
Biomethane is purified biogas that can replace fossil natural gas in compatible pipelines, boilers, industrial processes and vehicles. Discover how it is made, why its environmental performance depends on feedstocks and methane control, and where this renewable gas is most useful.
Anaerobic Digestion Model No. 1 (ADM1): Simulation, Digital Twins and Modern AD Modelling
The Anaerobic Digestion Model No. 1, usually known as ADM1, remains the best-known structured mathematical model of the anaerobic digestion process. First published by an International Water Association (IWA) task group in 2002, ADM1 was developed to provide researchers and engineers with a common mathematical framework for describing the biological and physicochemical processes occurring inside […]
Biogas Additives for Anaerobic Digestion: When They Work and Why
Biogas additives can improve anaerobic digester performance, but only when the additive addresses a genuine limitation in the process. Trace elements, enzymes, iron compounds, buffering agents, antifoams and other products all have legitimate applications, but there is no universal additive that will automatically increase methane yield in every digester. No reputable additive supplier will ever […]
Biogas Digester: How It Works, Types and Uses
A biogas digester is a sealed reactor in which microorganisms break down organic material without oxygen. This process, called anaerobic digestion, produces biogas and a remaining material called digestate. “Methane digester” is another name people use for a biogas-producing anaerobic digester: methane is the energy-rich component of the gas, rather than a different digestion process. […]
Methane Facts and Why It’s a Greenhouse Gas Much Worse than Carbon Dioxide
Climate Clarity: What You Need to Know About Methane and Global Warming Methane is the second-largest driver of global warming after CO2, responsible for roughly 30% of the temperature rise since the Industrial Revolution. Molecule for molecule, methane traps heat 86 times more powerfully than carbon dioxide over a 20-year period — making every emission […]
Bringing Your Sustainable Business Plans to Life the Right Way
Sustainability has always been a huge driver for the anaerobic digestion community, and now it is becoming a practical business priority across all of agriculture and industry. From renewable energy generation to improved waste management, businesses are looking for ways to reduce their environmental impact while maintaining productivity and controlling costs. Having an ambitious sustainability […]
