BibTex Citation Data :
@article{Presipitasi80173, author = {Sinardi Sinardi and Ismail Marzuki and Asriadi Asriadi and Andi Sry Iryani and Faisal Riza Basalamah and Andi Irsyam Mansyur and Hardimas Prayudi}, title = {Linking Degree of Deacetylation to Coagulation Efficiency of Crustacean Waste Chitosan in Water Treatment}, journal = {Jurnal Presipitasi: Media Komunikasi dan Pengembangan Teknik Lingkungan}, volume = {23}, number = {2}, year = {2026}, keywords = {Chitosan; coagulation flocculation; crustacean waste; degree of deacetylation; turbidity removal; zeta potential}, abstract = { Turbidity removal remains challenging because stable colloids resist sedimentation, motivating the use of biodegradable coagulants such as chitosan derived from crustacean waste. However, an integrated quantitative linkage between the degree of deacetylation (DD), zeta potential evolution, and dose-dependent turbidity removal across pH is still limited for shell waste-derived chitosan. This study aimed to relate DD to the zeta potential behavior and coagulation efficiency of chitosan derived from green mussel, crab, and shrimp shells at pH 5, 7, and 9. At pH 7, shrimp-shell chitosan (DD 89.05%) achieved 98.38% turbidity removal at 190 mg/L, crab-shell chitosan (DD 87.64%) achieved 96.72% at 320 mg/L, and green mussel chitosan (DD 77.80%) achieved 95.08% at 300 mg/L [mean±SD, n=3]. The zeta potential shifted from −0.81 mV (untreated synthetic water) to +1.43 to +2.80 mV after dosing, indicating dominant charge neutralization with partial overcompensation. Overall, DD provides a practical screening descriptor for selecting locally sourced chitosan and optimizing the dose for sustainable turbidity control. Valorizing shell waste into effective coagulants may reduce the reliance on inorganic coagulants and support environmentally responsible water treatment practices. This study established an integrated DD zeta potential dose relationship across pH to explain and compare the coagulation performance of locally sourced shell-waste chitosan for turbidity removal. }, issn = {2550-0023}, doi = {10.14710/presipitasi.v0i0.%p}, url = {https://ejournal.undip.ac.id/index.php/presipitasi/article/view/80173} }
Refworks Citation Data :
Turbidity removal remains challenging because stable colloids resist sedimentation, motivating the use of biodegradable coagulants such as chitosan derived from crustacean waste. However, an integrated quantitative linkage between the degree of deacetylation (DD), zeta potential evolution, and dose-dependent turbidity removal across pH is still limited for shell waste-derived chitosan. This study aimed to relate DD to the zeta potential behavior and coagulation efficiency of chitosan derived from green mussel, crab, and shrimp shells at pH 5, 7, and 9. At pH 7, shrimp-shell chitosan (DD 89.05%) achieved 98.38% turbidity removal at 190 mg/L, crab-shell chitosan (DD 87.64%) achieved 96.72% at 320 mg/L, and green mussel chitosan (DD 77.80%) achieved 95.08% at 300 mg/L [mean±SD, n=3]. The zeta potential shifted from −0.81 mV (untreated synthetic water) to +1.43 to +2.80 mV after dosing, indicating dominant charge neutralization with partial overcompensation. Overall, DD provides a practical screening descriptor for selecting locally sourced chitosan and optimizing the dose for sustainable turbidity control. Valorizing shell waste into effective coagulants may reduce the reliance on inorganic coagulants and support environmentally responsible water treatment practices. This study established an integrated DD zeta potential dose relationship across pH to explain and compare the coagulation performance of locally sourced shell-waste chitosan for turbidity removal.
Note: This article has supplementary file(s).
Article Metrics:
Last update:
Last update: 2026-08-01 16:46:51
Copyright includes the exclusive right to publish and provide articles in all forms and media, including reprints, photographs, microfilms, and the like, as well as translations. The publication of every part of this journal, storage in databases, and distribution such as electronic, electrostatic, and mechanical copies, photocopies, records, magnetic media, etc., will be permitted only with written permission from Jurnal Presipitasi, Diponegoro University. Jurnal Presipitasi, Diponegoro University, and the editors and Editorial of the International Advisory Board make every effort to ensure that no false or misleading data, opinions, or statements are published in the journal. The contents of articles published in Jurnal Presipitasi, Diponegoro University, are the sole and exclusive responsibility of each author.
View My Stats
Jurnal Presipitasi is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
