Evaluation of the ANFLOW process

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The technical and economic feasibilty are examined of the ANFLOW process, an anaerobic process for removing suspended solids and oxygen-demanding organics from waste water by forcing the waste to flow upward through a column that contains a solid packing material supporting microorganisms. Bovine ruminant fluids are used to innoculate the columns with anaerobic microbes. The equipment and test procedures are described. These studies showed that the ANFLOW process meets standards for the secondary treatment of most municipal wastewaters with much less energy consumption (less than half) than activated sludge systems; methane is produced in this process but is expensive to ... continued below

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Pages: 61

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Creator: Unknown. May 1, 1980.

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Description

The technical and economic feasibilty are examined of the ANFLOW process, an anaerobic process for removing suspended solids and oxygen-demanding organics from waste water by forcing the waste to flow upward through a column that contains a solid packing material supporting microorganisms. Bovine ruminant fluids are used to innoculate the columns with anaerobic microbes. The equipment and test procedures are described. These studies showed that the ANFLOW process meets standards for the secondary treatment of most municipal wastewaters with much less energy consumption (less than half) than activated sludge systems; methane is produced in this process but is expensive to recover; for plants with design flows of l mgd or less, ANFLOW systems appear to cost less than conventional systems; and the applicability of ANFLOW systems to large plant design flow must await future large-scale testing results. It was concluded that the ANFLOW process as compred with existing wastewater treatment systems is simple in design and operation, requires less land area, and conserves energy. (LCL)

Physical Description

Pages: 61

Notes

NTIS, PC A04/MF A01.

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  • Report No.: DOE/PE/70048-T1
  • Grant Number: AC01-79PE70048
  • DOI: 10.2172/5378096 | External Link
  • Office of Scientific & Technical Information Report Number: 5378096
  • Archival Resource Key: ark:/67531/metadc1064083

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • May 1, 1980

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

Description Last Updated

  • Sept. 4, 2018, 5:13 p.m.

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Evaluation of the ANFLOW process, report, May 1, 1980; United States. (digital.library.unt.edu/ark:/67531/metadc1064083/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.