The digester is an airtight circular pit made of concrete with a pipe connection.
From the en.wikipedia.org
The anaerobic digester is exciting but I don't know if it's the answer or not.
From the newsandstar.co.uk
The digester and fuel cell represent about $18 million of the total, she said.
From the sacbee.com
The methane digester should work just great in the Balti zone of Birmingham.
From the guardian.co.uk
The system includes a lined and covered anaerobic digester and a lined aeration basin.
From the sciencedaily.com
Methane gas is collected under a thick plastic dome over the digester.
From the sciencedaily.com
Mr. Edel estimates that apart from the digester, the build-out will cost only $750,000.
From the post-gazette.com
The slurry then moves into the digester, which is 16 feet deep and 70 feet in diameter.
From the cnn.com
The waste heat is, in general, enough to heat the digester to the required temperatures.
From the en.wikipedia.org
More examples
Autoclave consisting of a vessel in which plant or animal materials are digested
Anaerobic digestion is a series of processes in which microorganisms break down biodegradable material in the absence of oxygen, used for industrial or domestic purposes to manage waste and/or to release energy.
In the Dungeons & Dragons fantasy role-playing game, magical beast is a type of creature, or "creature type". Magical beasts are similar to animals in many ways, but usually have a higher intelligence, and possess supernatural or extraordinary abilities.
One who, or that which, digests
A device in which organic material is biochemically decomposed (digested) by anaerobic bacteria to treat the material and/or to produce biogas.
Vessel in which wood chips, rags or esparto grass are boiled with chemicals. It can be stationary or revolving, horizontal or upright, cylindrical or spherical.
An airtight vessel or enclosure in which bacteria decomposes biomass in water to produce biogas.
In wastewater treatment, a closed tank; in solid-waste conversion, a unit in which bacterial action is induced and accelerated in order to break down organic matter and establish the proper carbon to nitrogen ratio.
A biochemical reactor in which anaerobic bacteria are used to decompose biomass or organic wastes into methane and carbon dioxide.