Existing forms and transformation of S-functional groups of sewage sludge of different seasons by using XPS method

DOI

10.2991/iceesd-18.2018.327How to use a DOI?

Keywords

S-containing groups; existing form; XPS method; sewage sludge

Abstract

In this study, X-ray photoelectron (XPS) was used to investigate the sulfur existing forms and transformation of dewatered sewage sludge which collected form a wastewater treatment plant using A2/O process in different seasons. The S2p spectra obtained curves were resolved into 6 peaks: sulfate-S(170.0±1.0 eV), sulfone-S(168.0±0.5 eV), sulfoxide/sulfite-S(166.0±0.5 eV), thiophene-S(164.1±0.2 eV), sulfide-S(163.3±0.4 eV) and mercaptan-S(162.2±0.3 eV). The results show that the existing forms of sulfur can mainly be divided as inorganic-S and organic-S, the content of sulfur in the sewage sludge sample increased with the environmental temperature rising. The content of each component was closely related to the environmental temperature, inorganic sulfur decreased with the increasing environmental temperature, while organic sulfur increased with the raise of environmental temperature and reached the maximum value in July.

Copyright

© 2018, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Peiyi Zhong
AU  - Jianhang Huang
AU  - Haiwen Wu
AU  - Wenhao Zeng
PY  - 2018/05
DA  - 2018/05
TI  - Existing forms and transformation of S-functional groups of sewage sludge of different seasons by using XPS method
BT  - Proceedings of the 2018 7th International Conference on Energy, Environment and Sustainable Development (ICEESD 2018)
PB  - Atlantis Press
SP  - 1814
EP  - 1818
SN  - 2352-5401
UR  - https://doi.org/10.2991/iceesd-18.2018.327
DO  - 10.2991/iceesd-18.2018.327
ID  - Zhong2018/05
ER  -