Synergistic effect of hexadecyltrimethylammonium bromide and tannic acid on improving sludge dewatering performance

ZHOU Lu; ZHANG Shunzheng; TANG Yuhan; LIU Changqing

doi:10.13205/j.hjgc.202505013

Volume 43 Issue 5

May 2025

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ZHOU Lu, ZHANG Shunzheng, TANG Yuhan, LIU Changqing. Synergistic effect of hexadecyltrimethylammonium bromide and tannic acid on improving sludge dewatering performance[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(5): 115-123. doi: 10.13205/j.hjgc.202505013

Citation:

ZHOU Lu, ZHANG Shunzheng, TANG Yuhan, LIU Changqing. Synergistic effect of hexadecyltrimethylammonium bromide and tannic acid on improving sludge dewatering performance[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(5): 115-123. doi: 10.13205/j.hjgc.202505013

Citation:

ZHOU Lu, ZHANG Shunzheng, TANG Yuhan, LIU Changqing. Synergistic effect of hexadecyltrimethylammonium bromide and tannic acid on improving sludge dewatering performance[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(5): 115-123. doi: 10.13205/j.hjgc.202505013

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Synergistic effect of hexadecyltrimethylammonium bromide and tannic acid on improving sludge dewatering performance

doi: 10.13205/j.hjgc.202505013

School of Environmental and Municipal Engineering, Qingdao Technological University, Qingdao 266520, China

Received Date: 2024-11-25
Accepted Date: 2025-02-12
Rev Recd Date: 2025-01-07

Available Online: 2025-09-11

Abstract

Abstract

Sludge dewatering can effectively solve the environmental problems caused by the continuous increase of waste activated sludge. In this study， hexadecyltrimethylammonium bromide （CTAB） combined with tannic acid （TA） was innovatively applied for sludge dewatering. The results showed that the combination of CTAB （0.49 mmol/g VSS） and TA（0.16 mmol/g VSS） significantly improved the sludge dewatering performance. The sludge water content （W_c） decreased from （95.13±0.41）% to （79.18±0.33）%， and the sludge specific resistance to filtration （SRF） decreased from （28.89±0.73） × 10¹² m/kg to （9.00±0.36） × 10¹² m/kg. Compared with the raw sludge， the protein concentration in the tightly bound extracellular polymeric substances of the CTAB/TA treatment group decreased by 30.20 mg/L. The results of three-dimensional fluorescence spectroscopy and infrared spectroscopy indicated that CTAB/TA treatment destroyed the EPS structure and reduced its functional group count. The SEM images visually showed that a large number of drainage holes appeared on the surface of the sludge after CTAB/TA treatment. The results of this study provide a reference for sludge dewatering and resource utilization.
- sludge dewatering,
- hexadecyltrimethylammonium bromide,
- tannic acid,
- extracellular polymeric substances

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References(13)

References

[1]	TAN Y，CHEN Y，ZHOU B，et al. Enhancement of excess sludge dewatering by pretreatment:a review[J]. Environmental Engineering，2024，42（5）:70-74. 谭宇杰，陈亚一，周彬杰，等. 活性炭活化过硫酸盐氧化剂提升污泥脱水性能研究[J]. 环境工程，2024，42（5）:70-74.
[2]	CAO B，ZHANG T，ZHANG W，et al. Enhanced technology based for sewage sludge deep dewatering:a critical review[J]. Water Research，2021，189:116650.
[3]	WANG H F，HU H，WANG H J，et al. Impact of dosing order of the coagulant and flocculant on sludge dewatering performance during the conditioning process[J]. Science of the Total Environment，2018，643:1065-1073.
[4]	RUAN S，DENG J，CAI A，et al. Improving dewaterability of waste activated sludge by thermally-activated persulfate oxidation at mild temperature[J]. Journal of Environmental Management，2021，281:111899.
[5]	BI W，CHEN M，HU C，et al. Insight into sludge dewatering by periodate driven directly with Fe（II）:extracellular polymeric substances solubilization and mineralization[J]. Journal of Environmental Management，2023，344:118450.
[6]	LI S，LIU Y，SUN R，et al. Effect of rhamnolipids and heat on dewatering performance of sludge in anaerobic fermentation[J]. China Environmental Science，2021，41（12）:5747-5754. 李帅帅，刘玉玲，孙瑞浩，等. 鼠李糖脂-热对污泥厌氧发酵中脱水性能的影响[J]. 中国环境科学，2021，41（12）:5747-5754.
[7]	LI Z，LI Y，WANG D，et al. Insights into cetyl trimethyl ammonium bromide improving dewaterability of anaerobically fermented sludge[J]. Chemical Engineering Journal，2022，435:134968.
[8]	CHEN Y G，YANG H Z，GU G W. Effect of acid and surfactant treatment on activated sludge dewatering and settling[J]. Water Research，2001，35（11）:2615-2620.
[9]	GE D，YUAN H，XIAO J，et al. Insight into the enhanced sludge dewaterability by tannic acid conditioning and pH regulation[J]. Science of the Total Environment，2019，679:298-306.
[10]	CHEN N，TAO S，XIAO K，et al. A one-step acidification strategy for sewage sludge dewatering with oxalic acid[J]. Chemosphere，2020，238:124598.
[11]	GUO J，AN D，HU Y，et al. Development of a new combination of spectroscopic analysis and mathematical model for the enhanced sludge dewaterability:application to tannic acid effect[J]. Chemical Engineering Journal，2024，482:148833.
[12]	HE X，HE L，LIN Z，et al. Deep dewatering of activated sludge using composite conditioners of surfactant，acid and flocculant:The mechanism and dosage model[J]. Science of the Total Environment，2022，806:150899.
[13]	FAN X，WANG Y，ZHANG D，et al. Effects of acid，acid-ZVI/PMS，Fe（II）/PMS and ZVI/PMS conditioning on the wastewater activated sludge（WAS）dewaterability and extracellular polymeric substances（EPS）[J]. Journal of Environmental Sciences，2020，91:73-84.