Pengembangan Komposit Berbahan Dasar Glycerin Pitch untuk Pembuatan BioPlafon Ramah Lingkungan

Fadlin Qisthi Nasution; M. Ansori Nasution; Meta Rivani; Mhd. Erlangga Habibi Nasution; Rivaldy Yustianto Pasaribu; Arjanggi Nasution; M. Anshari

Authors

Fadlin Qisthi Nasution Indonesian Oil Palm Research Institute
M. Ansori Nasution Indonesian Oil Palm Research Institute
Meta Rivani Indonesian Oil Palm Research Institute
Mhd. Erlangga Habibi Nasution Indonesian Oil Palm Research Institute
Rivaldy Yustianto Pasaribu Indonesian Oil Palm Research Institute
Arjanggi Nasution Indonesian Oil Palm Research Institute
M. Anshari Indonesian Oil Palm Research Institute

Keywords:

glycerin pitch, palm oil fly ash, sustainable building materials

Abstract

The development and mechanical performance of sand–fly ash composites utilizing glycerin pitch, a biodiesel residue, as a bio-based binder were investigated. Experimental variables included glycerin pitch concentration (10–25% v/v), sand-to-fly ash ratio (35:65–65:35), curing temperature (190–350°C), and curing time (4–24 h). The optimal flexural strength of 1.82 MPa was obtained with 15% v/v glycerin pitch, a 42:58 sand-to-fly ash ratio, and curing at 190°C for 24 hours. Binder concentrations exceeding 15% or curing temperatures above 250°C resulted in disintegration or carbonization, indicating binder degradation. The produced composite demonstrated adequate strength and stability for non-load-bearing applications, including sustainable ceiling panels and interior partitions. These results demonstrate the potential of glycerin pitch as a renewable binder for transforming industrial residues into eco-efficient building materials and advancing circular economy practices in construction.

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