Mapping Cellulose Content and Degradability in Water Resource Recovery Facilities: European and North-American Case Studies

Ahmed Shawki Ahmed, Gholamreza Bahreini, Dang Ho, Coos Wessels, Pim Marcelis, Mark C.M. van Loosdrecht, Elsayed Elbeshbishy, Diego Rosso, Domenico Santoro, Nakhla George

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

Cellulose in municipal wastewater is a potential resource that can be recovered from wastewater through a physical separation . This study aimed at tracking the cellulose contents in the wastewater treatment facilities by collecting samples from two treatment plants in North America and Europe. Cellulose was measured using the gravimetrically-based Schweitzer method. The influent cellulose accounted for 33% and 31% of the TSS for the North American and European plants, respectively. Cellulose was removed more efficiently than TSS in both primary clarification and RBF. The cellulose content of the rotating belt filter (RBF) sludge was 35% of the TSS which was higher than the cellulose content of the primary sludge (17% of the TSS). Cellulose in the biological sludges accounted for 1.4% and 2% of the TSS for North American and European plants, respectively, suggesting that most of the influent cellulose to the secondary treatment was degraded.
Original languageEnglish
Title of host publicationProceedings of the Water Environment Federation, WEFTEC 2018
EditorsA. Soares
PublisherWater Environment Federation
Pages98-105
DOIs
Publication statusPublished - 2018
EventWEFTEC 2018 - New Orleans, United States
Duration: 29 Sep 20183 Oct 2018

Conference

ConferenceWEFTEC 2018
CountryUnited States
CityNew Orleans
Period29/09/183/10/18

Keywords

  • Biological Sludge
  • Cellulose
  • Primary Clarifier
  • Rotating belt filters
  • Wastewater

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