A Review on Dewatering of Dredged Sediment in Water Bodies by Flocculation Processes

Q Chen, F Ran, Q Wei, X Zheng, M Zhao, S Liu… - Water, Air, & Soil …, 2024 - Springer
A large amount of sediment is dredged from surface water bodies such as rivers, lakes, and
oceans every year around the world. It should be further disposed of or recycled. Dewatering …

Rapid and clean dewatering of dredged sediment via coupling of a two-step flocculation and geotextile filtration

C Lu, Z Xu, Y Zhang, B Dong - Chemical Engineering Journal, 2024 - Elsevier
The use of flocculation processes coupled with geotextile technology for dredged sediment
dewatering is promising in recent years. However, two main issues are encountered: firstly …

Dewatering of Golden Horn sludge with geotextile tube and determination of optimum operating conditions: A novel approach

Ü Karadoğan, G Çevikbilen, S Korkut… - Marine Georesources …, 2022 - Taylor & Francis
Abstract Environmental concerns about Golden Horn's polluted sediments have led to
320,000 m3 of sea dredging, generated annually by bucket dredgers to be stored in landfills …

Revitalizing urban lake cleanup: optimizing flocculation and dewatering of dredged sludge using cation polyacrylamide

B Guo, J Zeng, H Bai, Y Hao, X Yan, S Wang - Environmental Science and …, 2023 - Springer
This study investigated the effect of cation polyacrylamide (CPAM) on the dewatering
performance of dredged sludge by batch experiments and compared it with a novel organic …

Dewatering of mine waste using geotextile tubes

Ü Karadoğan, G Çevikbilen, S Korkut… - Mining, Metallurgy & …, 2022 - Springer
This study proposes a methodology for dewatering of mine waste using a multistage
process, combining geotextile tubes and anionic polyacrylamide (PAM), which accelerates …

Rapid dewatering and discharge of residual water quality through geotextile filtration coupled with flocculant treatment of contaminated dredged mud

T Wang, C Wang, D Liu, D Yang, P Li, B Dong - Environmental Research, 2025 - Elsevier
Large quantities of sludge with a high moisture content are generated by dredging
operations, necessitating the implementation of effective techniques for separating the …

The Effect of Flocculants and Water Content on the Separation of Water from Dredged Sediment

L Wen, D Yao - Water, 2023 - mdpi.com
Dredged sediment has high water content, and its engineering characteristics are poor;
therefore, the treatment and disposal of dredged sediment is difficult, and the utilization …

Influence of composite flocculants on electrokinetic properties and electroosmotic vacuum preloading behavior of sludge

Y Cui, B Zhang, C Qi, S Zhang, X Yang, F Min - Drying Technology, 2024 - Taylor & Francis
In recent years, dredging projects in rivers and lakes have generated large volumes of
sludge that exhibit high water content and low permeability. This dredged sludge needs to …

Pretreatments Before the Nanofiltration Technique

S Korkut, V Vatanpour, I Koyuncu - Nanofiltration Membrane for Water …, 2023 - Springer
Nanofiltration (NF) is a preferred process in water and wastewater purification, water
recovery, and reuse due to its ability to retain low molecular weight components. However …

[PDF][PDF] EXPERIMENTAL STUDY ON FLOCCULATION DEHYDRATION OF DREDGED SEDIMENT.

L Wen, DX Yao - Applied Ecology & Environmental Research, 2023 - aloki.hu
Focusing on the problems of high-water content, strong compressibility and difficult
dehydration of dredged sediment, this paper used polymer flocculants to conduct sediment …