Nitrification Enhancement through pH Control with Rotating Biological Contactors

Abstract

The short and long term effect of pH on the nitrification of domestic wastewater with pilot scale Rotating Biological Contactors (RBC) systems are examined. Alternative alkaline chemicals are evaluated for their ability to enhance the nitrification rate. Findings demonstrate greater nitrification rates at elevated pH levels and similar nitrification rates for various alkaline chemicals. Lime usage increases suspended solids which results in a need for additional settling prior to discharge. Design recommendations are included.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1981
Accession Number
ADA109365

Entities

People

  • David A. Long
  • James M. Stratta

Organizations

  • Pennsylvania State University

Tags

Communities of Interest

  • Biomedical
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Calcium Compounds
  • Calcium Hydroxide
  • Diurnal Variations
  • Engineering
  • Hydroxides
  • Materials
  • Materials Laboratories
  • Metals
  • Periodic Variations
  • Pilot Plants
  • Research Facilities
  • Sodium Compounds
  • Standards
  • Tracer Studies
  • Two Dimensional
  • United States
  • Water Resources

Fields of Study

  • Environmental science

Readers

  • Environmental Engineering.
  • Internal Combustion Engine (ICE) Technology.
  • Materials Science and Engineering.