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Item

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Extraction of Chitin and Chitosan from Waste Crab Shell for the Application of Wastewater Treatment

http://hdl.handle.net/20.500.12678/0000000544
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7d7c959b-8e42-4401-91ed-ea1e98981eab
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Soe Soe Myint.pdf (625 Kb)
Publication type
Journal article
Upload type
Publication
Title
Title Extraction of Chitin and Chitosan from Waste Crab Shell for the Application of Wastewater Treatment
Language en
Publication date 2017
Authors
U Soe Myint
Daw Cho Lay Sint
Description
Mud crab (Scylla serrata) were collected from Sittwe, Rakhine State. The shell and operculum
were removed from collected crabs. Only crab shells were thoroughly washed with water. Then
washed crab shells were placed in an ice box overnight and dried in sun radiation for (7) days.
After drying, crab shells were grounded into smaller pieces using a grinder and sieved with (60)
mesh screen with vibratory sieve shaker to get crab shell powder.
Physico-chemical characteristics of crab shell powder such as colour, odour, moisture content,
solubility, calcium carbonate content, elemental composition (EDXRF) were then determined.
The crab shell powder was further treated by demineralization with different concentrations of
acetic acid, deproteinisation with sodium hydroxide, decolourization with sodium hypochloride
for the extraction of chitin and then this extracted chitin was deactylated with sodium hydroxide
and acetic acid for the extraction of chitosan.
Characterizations of extracted chitin and chitosan were then analyzed by physico-chemical
characteristics such as colour, odour, moisture content, solubility, calcium carbonate content,
elemental composition (EDXRF), Fourier Transformed Infrared (FT-IR) Spectroscopy
technique, and Thermogravimetric Analysis (TGA) Technique and compared with commercial
chitosan powder for the application of textile wastewater treatment
Keywords
crab shell powder
Identifier https://oar.ydbu.edu.mm/handle/123456789/203
Journal articles
1
Yadanabon University Research Journal
8
Conference papaers
Books/reports/chapters
Thesis/dissertations
0
0
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