Low-energy treatment of colourant wastes using sponge biofilters for the personal care product industry

S. Z. Ahammad; A. Zealand; J. Dolfing; C. Mota; D. V. Armstrong; D. W. Graham

doi:10.1016/j.biortech.2012.12.083

Low-energy treatment of colourant wastes using sponge biofilters for the personal care product industry

S. Z. Ahammad
, A. Zealand
, J. Dolfing
, C. Mota
, D. V. Armstrong
, D. W. Graham^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Four trickling biofilter designs were assessed as low-energy alternatives to aerobic activated sludge (AS) for the treatment of personal care product industry wastes. The designs included partially submerged packed-media and sponge reactors with and without active aeration. Partial submergence was used to reduce active aeration needs. Simulated colourant wastes (up to COD = 12,480. mg/L, TN = 128. mg/L) were treated for 201. days, including wastes with elevated oxidant levels. COD and TN removal efficiencies were always >79% and >30% (even without aeration). However, aerated sponge reactors consistently had the highest removal efficiencies, especially for TN (~60%), and were most tolerant of elevated oxidants. This study shows sponge biofilters have great potential for treating colourant wastes because they achieve high treatment efficiencies and reduce energy use by >40% relative to AS systems.

Original language	English
Pages (from-to)	634-638
Number of pages	5
Journal	Bioresource Technology
Volume	129
DOIs	https://doi.org/10.1016/j.biortech.2012.12.083
Publication status	Published - Feb 2013
Externally published	Yes

Bibliographical note

Funding Information:
Authors acknowledge the funding support from the European Commission , Marie Curie Action project ENERMIN (Project No. 218305) . The authors also thank L’Oreal – Paris for cooperation and assistance on the project.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Aeration
Hair colourant wastewater
Sponge reactors
Trickling filter

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10.1016/j.biortech.2012.12.083

Cite this

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title = "Low-energy treatment of colourant wastes using sponge biofilters for the personal care product industry",

abstract = "Four trickling biofilter designs were assessed as low-energy alternatives to aerobic activated sludge (AS) for the treatment of personal care product industry wastes. The designs included partially submerged packed-media and sponge reactors with and without active aeration. Partial submergence was used to reduce active aeration needs. Simulated colourant wastes (up to COD = 12,480. mg/L, TN = 128. mg/L) were treated for 201. days, including wastes with elevated oxidant levels. COD and TN removal efficiencies were always >79\% and >30\% (even without aeration). However, aerated sponge reactors consistently had the highest removal efficiencies, especially for TN (\textasciitilde{}60\%), and were most tolerant of elevated oxidants. This study shows sponge biofilters have great potential for treating colourant wastes because they achieve high treatment efficiencies and reduce energy use by >40\% relative to AS systems.",

keywords = "Aeration, Hair colourant wastewater, Sponge reactors, Trickling filter",

author = "Ahammad, \{S. Z.\} and A. Zealand and J. Dolfing and C. Mota and Armstrong, \{D. V.\} and Graham, \{D. W.\}",

note = "Funding Information: Authors acknowledge the funding support from the European Commission , Marie Curie Action project ENERMIN (Project No. 218305) . The authors also thank L{\textquoteright}Oreal – Paris for cooperation and assistance on the project. ",

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doi = "10.1016/j.biortech.2012.12.083",

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AU - Ahammad, S. Z.

AU - Zealand, A.

AU - Dolfing, J.

AU - Mota, C.

AU - Armstrong, D. V.

AU - Graham, D. W.

N1 - Funding Information: Authors acknowledge the funding support from the European Commission , Marie Curie Action project ENERMIN (Project No. 218305) . The authors also thank L’Oreal – Paris for cooperation and assistance on the project.

PY - 2013/2

Y1 - 2013/2

N2 - Four trickling biofilter designs were assessed as low-energy alternatives to aerobic activated sludge (AS) for the treatment of personal care product industry wastes. The designs included partially submerged packed-media and sponge reactors with and without active aeration. Partial submergence was used to reduce active aeration needs. Simulated colourant wastes (up to COD = 12,480. mg/L, TN = 128. mg/L) were treated for 201. days, including wastes with elevated oxidant levels. COD and TN removal efficiencies were always >79% and >30% (even without aeration). However, aerated sponge reactors consistently had the highest removal efficiencies, especially for TN (~60%), and were most tolerant of elevated oxidants. This study shows sponge biofilters have great potential for treating colourant wastes because they achieve high treatment efficiencies and reduce energy use by >40% relative to AS systems.

AB - Four trickling biofilter designs were assessed as low-energy alternatives to aerobic activated sludge (AS) for the treatment of personal care product industry wastes. The designs included partially submerged packed-media and sponge reactors with and without active aeration. Partial submergence was used to reduce active aeration needs. Simulated colourant wastes (up to COD = 12,480. mg/L, TN = 128. mg/L) were treated for 201. days, including wastes with elevated oxidant levels. COD and TN removal efficiencies were always >79% and >30% (even without aeration). However, aerated sponge reactors consistently had the highest removal efficiencies, especially for TN (~60%), and were most tolerant of elevated oxidants. This study shows sponge biofilters have great potential for treating colourant wastes because they achieve high treatment efficiencies and reduce energy use by >40% relative to AS systems.

KW - Aeration

KW - Hair colourant wastewater

KW - Sponge reactors

KW - Trickling filter

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SN - 0960-8524

VL - 129

SP - 634

EP - 638

JO - Bioresource Technology

JF - Bioresource Technology

ER -

Low-energy treatment of colourant wastes using sponge biofilters for the personal care product industry

Abstract

Bibliographical note

UN SDGs

Keywords

Access to Document

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