Analysis of membrane bioreactor performance for wastewater treatment using ranking methods

Fei Yang, Ying Wang, Leonid Gillerman, Jack Gilron, Asher Brenner, Moshe Herzberg, Gideon Oron, Amos Bick

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


The research compares four types of different designs of membrane bioreactors: (1) with 295-mm draft tube and without plastic carriers; (2) plastic carriers and 295-mm draft tube; (3) plastic carriers and 235-mm draft tube with two meshes around the bottom and top of a draft tube; and (4) plastic carriers without a draft tube. The feed for the reactors was artificial wastewater made from domestic wastewater and chicken manure, and membrane test data were based on a hollow fiber membrane module under ambient desert conditions. Process operation type D is the optimal choice. Mathematical analysis using total ranking methods, multi-indicator decision-making, and Hasse diagram support this choice. Concerning analysis by the different tools, inconsistencies between the rankings are noticed. Partial order ranking, as a method without any pre-assumptions concerning the possible relation between the single parameters, proves to be an elegant ranking method.

Original languageEnglish
Pages (from-to)1152-1169
Number of pages18
JournalToxicological and Environmental Chemistry
Issue number7-8
StatePublished - 14 Sep 2017


  • Fouling
  • Hasse diagram
  • MBR
  • hybrid growth
  • ranking

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis


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