Evaluation of sewage sludge incineration ash as a potential land reclamation material

Wenlin Yvonne Lin; Wei Cheng Ng; Belinda Shu Ee Wong; Serena Lay Ming Teo; Gayathiri d/o Sivananthan; Gyeong Hun Baeg; Yong Sik Ok; Chi Hwa Wang

doi:10.1016/j.jhazmat.2018.05.047

Evaluation of sewage sludge incineration ash as a potential land reclamation material

Wenlin Yvonne Lin, Wei Cheng Ng, Belinda Shu Ee Wong, Serena Lay Ming Teo, Gayathiri d/o Sivananthan, Gyeong Hun Baeg, Yong Sik Ok, Chi Hwa Wang

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

51 Citations (Scopus)

Abstract

This study evaluated the potential of utilising sewage sludge incineration ash as a land reclamation material. Toxicity assessment of the leachate of the ash was carried out for both terrestrial and marine organisms. Both the fruit fly Drosophila melanogaster and barnacle Amphibalanus amphitrite showed that both bottom and fly ash leached at liquid-to-solid (L/S) ratio 5 did not substantially affect viabilities. The leachate carried out at L/S 10 was compared to the European Waste Acceptance Criteria and the sewage sludge ashes could be classified as non-hazardous waste. The geotechnical properties of the sewage sludge ash were studied and compared to sand, a conventional land reclamation material, for further evaluation of its potential as a land reclamation material. It was found from direct shear test that both bottom and fly ashes displayed similar and comparable shear strength to that of typical compacted sandy soil based on the range of internal friction angle obtained. However, the consolidation profile of bottom ash was significantly different from sand, while that of fly ash was more similar to sand. Our study showed that the sewage sludge ash has the potential to be used as a land reclamation material.

Original language	English
Pages (from-to)	63-72
Number of pages	10
Journal	Journal of hazardous materials
Volume	357
DOIs	https://doi.org/10.1016/j.jhazmat.2018.05.047
Publication status	Published - 2018 Sept 5

Bibliographical note

Funding Information:
This research programme is funded by the National Research Foundation (NRF) , Prime Minister’s Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme with Grant Number R-706-001-101-281 , National University of Singapore. The authors also acknowledge the support of the National Research Foundation for research conducted at the St John’s Island National Marine Laboratory and Vincent Tang Boon Seng (ECO Special Waste Management Pte Ltd) for providing samples of sewage sludge incineration ash. The technical support by Dr. Zhiyi Yao on the analysis of incineration bottom ash sample is appreciated.

Funding Information:
This research programme is funded by the National Research Foundation (NRF), Prime Minister's Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme with Grant Number R-706-001-101-281, National University of Singapore. The authors also acknowledge the support of the National Research Foundation for research conducted at the St John's Island National Marine Laboratory and Vincent Tang Boon Seng (ECO Special Waste Management Pte Ltd) for providing samples of sewage sludge incineration ash. The technical support by Dr. Zhiyi Yao on the analysis of incineration bottom ash sample is appreciated.

Publisher Copyright:
© 2018 Elsevier B.V.

Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.

Keywords

Biotoxicity assessment
Land reclamation
Leaching
Sewage sludge ash
Waste management

ASJC Scopus subject areas

Environmental Engineering
Environmental Chemistry
Waste Management and Disposal
Pollution
Health, Toxicology and Mutagenesis

UN SDGs

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

Access to Document

10.1016/j.jhazmat.2018.05.047

Cite this

@article{713898859a80415ca2ad1457a63ae8c4,

title = "Evaluation of sewage sludge incineration ash as a potential land reclamation material",

abstract = "This study evaluated the potential of utilising sewage sludge incineration ash as a land reclamation material. Toxicity assessment of the leachate of the ash was carried out for both terrestrial and marine organisms. Both the fruit fly Drosophila melanogaster and barnacle Amphibalanus amphitrite showed that both bottom and fly ash leached at liquid-to-solid (L/S) ratio 5 did not substantially affect viabilities. The leachate carried out at L/S 10 was compared to the European Waste Acceptance Criteria and the sewage sludge ashes could be classified as non-hazardous waste. The geotechnical properties of the sewage sludge ash were studied and compared to sand, a conventional land reclamation material, for further evaluation of its potential as a land reclamation material. It was found from direct shear test that both bottom and fly ashes displayed similar and comparable shear strength to that of typical compacted sandy soil based on the range of internal friction angle obtained. However, the consolidation profile of bottom ash was significantly different from sand, while that of fly ash was more similar to sand. Our study showed that the sewage sludge ash has the potential to be used as a land reclamation material.",

keywords = "Biotoxicity assessment, Land reclamation, Leaching, Sewage sludge ash, Waste management",

author = "Lin, {Wenlin Yvonne} and Ng, {Wei Cheng} and Wong, {Belinda Shu Ee} and Teo, {Serena Lay Ming} and Sivananthan, {Gayathiri d/o} and Baeg, {Gyeong Hun} and Ok, {Yong Sik} and Wang, {Chi Hwa}",

note = "Funding Information: This research programme is funded by the National Research Foundation (NRF) , Prime Minister{\textquoteright}s Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme with Grant Number R-706-001-101-281 , National University of Singapore. The authors also acknowledge the support of the National Research Foundation for research conducted at the St John{\textquoteright}s Island National Marine Laboratory and Vincent Tang Boon Seng (ECO Special Waste Management Pte Ltd) for providing samples of sewage sludge incineration ash. The technical support by Dr. Zhiyi Yao on the analysis of incineration bottom ash sample is appreciated. Funding Information: This research programme is funded by the National Research Foundation (NRF), Prime Minister's Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme with Grant Number R-706-001-101-281, National University of Singapore. The authors also acknowledge the support of the National Research Foundation for research conducted at the St John's Island National Marine Laboratory and Vincent Tang Boon Seng (ECO Special Waste Management Pte Ltd) for providing samples of sewage sludge incineration ash. The technical support by Dr. Zhiyi Yao on the analysis of incineration bottom ash sample is appreciated. Publisher Copyright: {\textcopyright} 2018 Elsevier B.V. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

year = "2018",

month = sep,

day = "5",

doi = "10.1016/j.jhazmat.2018.05.047",

language = "English",

volume = "357",

pages = "63--72",

journal = "Journal of hazardous materials",

issn = "0304-3894",

publisher = "Elsevier",

}

TY - JOUR

T1 - Evaluation of sewage sludge incineration ash as a potential land reclamation material

AU - Lin, Wenlin Yvonne

AU - Ng, Wei Cheng

AU - Wong, Belinda Shu Ee

AU - Teo, Serena Lay Ming

AU - Sivananthan, Gayathiri d/o

AU - Baeg, Gyeong Hun

AU - Ok, Yong Sik

AU - Wang, Chi Hwa

N1 - Funding Information: This research programme is funded by the National Research Foundation (NRF) , Prime Minister’s Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme with Grant Number R-706-001-101-281 , National University of Singapore. The authors also acknowledge the support of the National Research Foundation for research conducted at the St John’s Island National Marine Laboratory and Vincent Tang Boon Seng (ECO Special Waste Management Pte Ltd) for providing samples of sewage sludge incineration ash. The technical support by Dr. Zhiyi Yao on the analysis of incineration bottom ash sample is appreciated. Funding Information: This research programme is funded by the National Research Foundation (NRF), Prime Minister's Office, Singapore under its Campus for Research Excellence and Technological Enterprise (CREATE) programme with Grant Number R-706-001-101-281, National University of Singapore. The authors also acknowledge the support of the National Research Foundation for research conducted at the St John's Island National Marine Laboratory and Vincent Tang Boon Seng (ECO Special Waste Management Pte Ltd) for providing samples of sewage sludge incineration ash. The technical support by Dr. Zhiyi Yao on the analysis of incineration bottom ash sample is appreciated. Publisher Copyright: © 2018 Elsevier B.V. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 2018/9/5

Y1 - 2018/9/5

N2 - This study evaluated the potential of utilising sewage sludge incineration ash as a land reclamation material. Toxicity assessment of the leachate of the ash was carried out for both terrestrial and marine organisms. Both the fruit fly Drosophila melanogaster and barnacle Amphibalanus amphitrite showed that both bottom and fly ash leached at liquid-to-solid (L/S) ratio 5 did not substantially affect viabilities. The leachate carried out at L/S 10 was compared to the European Waste Acceptance Criteria and the sewage sludge ashes could be classified as non-hazardous waste. The geotechnical properties of the sewage sludge ash were studied and compared to sand, a conventional land reclamation material, for further evaluation of its potential as a land reclamation material. It was found from direct shear test that both bottom and fly ashes displayed similar and comparable shear strength to that of typical compacted sandy soil based on the range of internal friction angle obtained. However, the consolidation profile of bottom ash was significantly different from sand, while that of fly ash was more similar to sand. Our study showed that the sewage sludge ash has the potential to be used as a land reclamation material.

AB - This study evaluated the potential of utilising sewage sludge incineration ash as a land reclamation material. Toxicity assessment of the leachate of the ash was carried out for both terrestrial and marine organisms. Both the fruit fly Drosophila melanogaster and barnacle Amphibalanus amphitrite showed that both bottom and fly ash leached at liquid-to-solid (L/S) ratio 5 did not substantially affect viabilities. The leachate carried out at L/S 10 was compared to the European Waste Acceptance Criteria and the sewage sludge ashes could be classified as non-hazardous waste. The geotechnical properties of the sewage sludge ash were studied and compared to sand, a conventional land reclamation material, for further evaluation of its potential as a land reclamation material. It was found from direct shear test that both bottom and fly ashes displayed similar and comparable shear strength to that of typical compacted sandy soil based on the range of internal friction angle obtained. However, the consolidation profile of bottom ash was significantly different from sand, while that of fly ash was more similar to sand. Our study showed that the sewage sludge ash has the potential to be used as a land reclamation material.

KW - Biotoxicity assessment

KW - Land reclamation

KW - Leaching

KW - Sewage sludge ash

KW - Waste management

UR - http://www.scopus.com/inward/record.url?scp=85048479414&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85048479414&partnerID=8YFLogxK

U2 - 10.1016/j.jhazmat.2018.05.047

DO - 10.1016/j.jhazmat.2018.05.047

M3 - Article

C2 - 29864689

AN - SCOPUS:85048479414

SN - 0304-3894

VL - 357

SP - 63

EP - 72

JO - Journal of hazardous materials

JF - Journal of hazardous materials

ER -

Evaluation of sewage sludge incineration ash as a potential land reclamation material

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

Access to Document

Other files and links

Fingerprint

Cite this