digester


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digester

[də′jes·tər]
(chemical engineering)
A vessel used to produce cellulose pulp from wood chips by cooking under pressure.
(civil engineering)
A sludge-digestion tank containing a system of hot water or steam pipes for heating the sludge.
References in periodicals archive ?
The Ibadan digester will take advantage of the city's Bodija Municipal Abattoir, where nearly two-thirds of the animals in Oyo State are slaughtered, according to a study in the January 2002 African Journal of Environmental Assessment and Management.
Kirigha had built a digester but could not operate it, as the first chamber, which served as a collection point, sat on a wetland.
We invested in the digester because it improves our sustainability performance, supports better air quality and provides a cost savings to the company," Ms.
The digester generates 120 kilowatts of electricity per hour, 24 hours, seven days a week.
Until fairly recently, digester systems were mostly feasible only for large dairy farms, but technological advances have also made these systems feasible on smaller farms, according to the Wisconsin Milk Marketing Board.
The samples were collected from each digester after completion of the respective retention time periods and analyzed (Table-2).
BillerudKorsnas rates the digester gearbox highly process critical; if the continuous digester malfunctions, pulp production immediately halts.
50% dry matter [DM]), accounting for about 70% of the digester volume, was fed into each digester on day 1 of the experimental period (10 July 2012), and then left for around 15 days to allow the microbial community to develop (Nguyen et al.
The key seemed to be 'community digesters' where the dairy-business risk could be mitigated by a group of farms while the benefits of a large and efficient digester could be spread across the same group with tangible benefits.
4-million gallon anaerobic digester tank in Lewiston, Maine, generates enough electricity to offset 80 percent of the energy used at its wastewater treatment facility.
RES Ag Konyn would lease the site from the farm, build and operate the digester, and sell the energy to the Emerald People's Utility District, sharing the revenue with the farm owners, David Konyn said.
All of the digester sites--including the one Quasar developed in Collinwood with Forest City Enterprises earlier this year, will have compressed natural gas, or CNG, dispensers open to the public, said Kurtz.