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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2021, Volume 58, Issue 3, 129-136

https://doi.org/10.37358/MP.21.3.5511

Ho Dany, Wong Whui Dhong, Koh Weng Jiata, Tan Kiant Leong, Nor Yuliana Yuhana, Gilbert Tan

Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes


Abstract:
The recycling of high-density polyethylene plastic (HDPE) plays a crucial role in sustainable development. However, obstacles to the use of recycled HDPE remain because of the material and processing properties and odors of recycled HDPE. The odor of recycled detergent bottle plastic leads to rejection by most detergent manufacturers. Recently, some recycling enterprises have adapted recycling with odor reduction processes involving the use of solvents, antimicrobial additives, and odor extraction units in feeders and extruders. However, these processes may affect the quality and cost of recycled plastic. Most small and medium businesses (SMBs) may not favor these effects due to their limited models and resources. In addition, most SMBs are unwilling to replace their current recycling operation units. Hence, this study aimed to find alternative and economical ways for odor reduction in the recycling process. A modification of the recycling process was introduced in the pretreatment of plastic flakes before entry into the feeder of an extrusion unit. The effect of selected washing temperatures, i.e., 65℃, 75℃, 85℃, and 95℃, on the removal of odor from recycled HDPE was further studied. The addition of sodium bicarbonate, calcium carbonate, and citric acid into a heated water bath enhanced the deodorizing effect. The relationship of these three chemicals with the deodorization of HDPE plastics was investigated through sensory evaluation. Lastly, the potential of the deodorized recycled HDPE for resin pellet production and commercialization were investigated.


Keywords:
High-density polyethylene (HDPE); recycling process; economical; deodorizing; sustainable

Issue: 2021 Volume 58, Issue 3
Pages: 129-136
Publication date: 2021/10/5
https://doi.org/10.37358/MP.21.3.5511
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
DANY, H., DHONG, W.W., JIATA, K.W., LEONG, T.K., YUHANA, N.Y., TAN, G., Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes, Mater. Plast., 58(3), 2021, 129-136. https://doi.org/10.37358/MP.21.3.5511

Vancouver
Dany H, Dhong WW, Jiata KW, Leong TK, Yuhana NY, Tan G. Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes. Mater. Plast.[internet]. 2021 Jul;58(3):129-136. Available from: https://doi.org/10.37358/MP.21.3.5511


APA 6th edition
Dany, H., Dhong, W.W., Jiata, K.W., Leong, T.K., Yuhana, N.Y. & Tan, G. (2021). Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes. Materiale Plastice, 58(3), 129-136. https://doi.org/10.37358/MP.21.3.5511


Harvard
Dany, H., Dhong, W.W., Jiata, K.W., Leong, T.K., Yuhana, N.Y., Tan, G. (2021). 'Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes', Materiale Plastice, 58(3), pp. 129-136. https://doi.org/10.37358/MP.21.3.5511


IEEE
H. Dany, W.W. Dhong, K.W. Jiata, T.K. Leong, N.Y. Yuhana, G. Tan, "Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes". Materiale Plastice, vol. 58, no. 3, pp. 129-136, 2021. [online]. https://doi.org/10.37358/MP.21.3.5511


Text
Ho Dany, Wong Whui Dhong, Koh Weng Jiata, Tan Kiant Leong, Nor Yuliana Yuhana, Gilbert Tan,
Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes,
Materiale Plastice,
Volume 58, Issue 3,
2021,
Pages 129-136,
ISSN 2668-8220,
https://doi.org/10.37358/MP.21.3.5511.
(https://revmaterialeplastice.ro/Articles.asp?ID=5511)
Keywords: High-density polyethylene (HDPE); recycling process; economical; deodorizing; sustainable


RIS
TY - JOUR
T1 - Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes
A1 - Dany, Ho
A2 - Dhong, Wong Whui
A3 - Jiata, Koh Weng
A4 - Leong, Tan Kiant
A5 - Yuhana, Nor Yuliana
A6 - Tan, Gilbert
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2021
VL - 58
IS - 3
SP - 129
EP - 136
UR - https://doi.org/10.37358/MP.21.3.5511
KW - High-density polyethylene (HDPE)
KW - recycling process
KW - economical
KW - deodorizing
KW - sustainable
ER -


BibTex
@article{MatPlast2021P129,
author = {Dany Ho and Dhong Wong Whui and Jiata Koh Weng and Leong Tan Kiant and Yuhana Nor Yuliana and Tan Gilbert},
title = {Deodorizing Methods for Recycled High-density Polyethylene Plastic Wastes},
journal = {Materiale Plastice},
volume = {58},
number = {3},
pages = {129-136},
year = {2021},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.21.3.5511},
url = {https://revmaterialeplastice.ro/Articles.asp?ID=5511}
}


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