Development of electric densifier machine for waste plastic with temperature controller/ Al-sheebar L. Birin, Justin Rome R. De Jesus, Mon Jeru V. Lopez, Meynard L. Montano, and Earlwyn Joseph A. Palcis.--

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Birin, Al-sheebar L [author]

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Material type: Text

TextPublication details: Manila: Technological University of the Philippines, 2025.Description: xiii, 107pages: 29cmContent type:

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BTH TJ 145 B57 2025

Dissertation note: College Of Industrial Technology.-- Bachelor of engineering technology major in mechanical technology: Technological University of the Philippines, 2025. Summary: The increasing accumulation of plastic waste presents immense and critical environmental challenge worldwide. This study presents the design, development, testing, and evaluation of the electric densifier machine for waste plastic with temperature controller, aimed at improving plastic waste management through efficient volume reduction and recycling. The prototype features a stainless-steel chamber for storing of mixed shredded plastic and used oil, an AC motor-driven ribbon-type mixer, electric heating coil, and a temperature control panel for temperature accuracy. The machine processes plastic waste into forms suitable for molding into materials like pavers and tiles. Experimental testing was performed using Low-Density Polyethylene (LDPE), High-Density Polyethylene (HDPE), composite of styrofoam and LDPE, mixed with used cooking oil. Mixing was done in a 1:1 ratio of oil to shredded plastic by weight. A specific mixture containing 25% styrofoam, 25% LDPE, and 50% used oil was also tested. Results showed that at three (3) different temperatures, LDPE melted fastest, with an average melting time of approximately 2 hours, 11 minutes, and 18 seconds. In contrast, HDPE required a longer average melting time of about 4 hours, 34 minutes, and 19 seconds. A Styrofoam-LDPE mixture was also tested, with an average melting time of 2 hours, 15 minutes, and 21 seconds. The prototype was evaluated by experts from various technical fields meeting criteria such as functionality, workability, durability, safety, aesthetics, and economy. It achieved a high overall performance, with a mean rating of 4.30, classified as 'very good' across all aspects.

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Item type	Current library	Shelving location	Call number	Copy number	Status	Date due	Barcode
Bachelor's Thesis CIT	TUP Manila Library	Thesis Section-2nd floor	BTH TJ 145 B57 2025 (Browse shelf(Opens below))	c.1	Not for loan		BTH0006718

Bachelor's thesis

College Of Industrial Technology.--
Bachelor of engineering technology major in mechanical technology: Technological University of the Philippines,
2025.

Includes bibliographic references and index.

The increasing accumulation of plastic waste presents immense and critical environmental
challenge worldwide. This study presents the design, development, testing, and evaluation
of the electric densifier machine for waste plastic with temperature controller, aimed at
improving plastic waste management through efficient volume reduction and recycling.
The prototype features a stainless-steel chamber for storing of mixed shredded plastic and
used oil, an AC motor-driven ribbon-type mixer, electric heating coil, and a temperature
control panel for temperature accuracy. The machine processes plastic waste into forms
suitable for molding into materials like pavers and tiles. Experimental testing was
performed using Low-Density Polyethylene (LDPE), High-Density Polyethylene (HDPE),
composite of styrofoam and LDPE, mixed with used cooking oil. Mixing was done in a 1:1
ratio of oil to shredded plastic by weight. A specific mixture containing 25% styrofoam,
25% LDPE, and 50% used oil was also tested. Results showed that at three (3) different
temperatures, LDPE melted fastest, with an average melting time of approximately 2 hours,
11 minutes, and 18 seconds. In contrast, HDPE required a longer average melting time of
about 4 hours, 34 minutes, and 19 seconds. A Styrofoam-LDPE mixture was also tested,
with an average melting time of 2 hours, 15 minutes, and 21 seconds. The prototype was
evaluated by experts from various technical fields meeting criteria such as functionality,
workability, durability, safety, aesthetics, and economy. It achieved a high overall
performance, with a mean rating of 4.30, classified as 'very good' across all aspects.

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