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dc.contributor.authorNguyen, Van Nhi Tran
dc.contributor.authorYu, Qiming Jimmy
dc.contributor.authorTan, Phong Nguyen
dc.contributor.authorWang, San-Lang
dc.date.accessioned2020-08-07T05:43:54Z
dc.date.available2020-08-07T05:43:54Z
dc.date.issued2020
dc.identifier.issn2073-4360
dc.identifier.doi10.3390/polym12030607
dc.identifier.urihttp://hdl.handle.net/10072/396345
dc.description.abstractChitin production wastewater contains nutrient-rich organic and mineral contents. Coagulation of the wastewater with a natural coagulant such as by-product chitosan would be an economical and environmentally friendly method of treatment. This study investigated the treatment efficiencies of a preliminary sedimentation process followed by coagulation. The removal efficiencies for wastewater parameters were evaluated and compared for coagulants including by-product chitosan, polyaluminum chloride, and polyacryamide. The evaluation was based on the removal of wastewater turbidity and other criteria, including tCOD, sCOD, TKN, NH4+-N, TP, TSS, calcium, and crude protein. The results showed that the preliminary sedimentation (before coagulation) can remove over 80% of turbidity and more than 93% of TSS at pH 4 in 30 min. At optimal conditions, when the ratio of crude protein and calcium was 4.95, by-product chitosan dose of 77.5 mg•L-1 and pH = 8.3, the wastewater characteristics changes were tCOD 23%, sCOD 32%, TKN and ammonium 25%, TP 90%, TSS 84%, Ca2+ 29%, and crude protein 25%. The residue recovered through coagulation consists of up to 55 mg•g-1 crude protein, which is used for animal feed or crop fertilizer.
dc.description.peerreviewedYes
dc.languageEnglish
dc.publisherMDPI
dc.relation.ispartofpagefrom607
dc.relation.ispartofissue3
dc.relation.ispartofjournalPolymers
dc.relation.ispartofvolume12
dc.subject.fieldofresearchChemical Sciences
dc.subject.fieldofresearchEngineering
dc.subject.fieldofresearchcode03
dc.subject.fieldofresearchcode09
dc.subject.keywordsScience & Technology
dc.subject.keywordsPhysical Sciences
dc.subject.keywordsPolymer Science
dc.subject.keywordshigh strength wastewater treatment
dc.subject.keywordsturbidity removal
dc.titleCoagulation of Chitin Production Wastewater from Shrimp Scraps with By-Product Chitosan and Chemical Coagulants
dc.typeJournal article
dc.type.descriptionC1 - Articles
dcterms.bibliographicCitationNguyen, VNT; Yu, QJ; Tan, PN; Wang, S-L, Coagulation of Chitin Production Wastewater from Shrimp Scraps with By-Product Chitosan and Chemical Coagulants, Polymers, 2020, 12 (3), pp. 607
dcterms.dateAccepted2020-03-04
dcterms.licensehttp://creativecommons.org/licenses/by/4.0/
dc.date.updated2020-08-07T05:39:09Z
dc.description.versionPublished
gro.rights.copyright© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
gro.hasfulltextFull Text
gro.griffith.authorYu, Jimmy J.
gro.griffith.authorTran, Nguyen Van Nhi


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