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Mahdi Santoso
Jurusan Kehutanan Fakultas Pertanian Universitas Palangka Raya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Social Sciences Other

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Kualitas Papan Partikel Kayu Limbah Gergajian Meranti Putih dan Purun Danau Menggunakan Perekat Poliuretan: The Quality of Particleboards from White from Waste Wood Meranti and Purun Danau Sawdust Using Polyurethane Adhesive Indrayanti, Lies; Santoso, Mahdi; Yanarita, Yanarita; Saragih, Jon Riston
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.23857

Abstract

This study aims to evaluate the quality of particleboard made from a combination of white meranti wood particles and purun. The research is conducted at the Laboratory of Forest Products Technology and Forest Management, Department of Forestry, Faculty of Agriculture, Universitas Palangka Raya. A Complete Randomized Design with a single factor—particle composition ratio of white meranti to purun (100:0, 75:25, 50:50, 0:100)—is applied. The result shows that moisture content, density, thickness swelling, internal bonding, and screw withdrawal strength met the requirements of SNI 03-2105-2006. However, the Modulus of Elasticity (MOE) and Modulus of Rupture (MOR) values do meet the standard, indicating that the composition variation do not improve these parameters. ANOVA reveals that particle composition has no significant effect on all parameters except water absorption and internal bonding. Duncan’s test indicates that the 0:100 ratio yield the best water absorption, likely due to purun’s hygrscopis.. Conversely, the 100:0 ratio produced the best internal bonding, attributed to meranti’s fiber structure and particle surface supporting adhesive bonding. The findings suggest that particleboard quality is more influenced by raw material–adhesive interactions and process variables, such as adhesive type and content, than by raw material composition variation
Strategi Pemanfaatan Lahan Di Ruang Terbuka Tepian Sungai Kahayan: Land Utilization Strategy in Open Spaces on the Banks of the Kahayan River Hamidah, Noor; Frieda, Frieda; Santoso, Mahdi; Nindito, Dwi Anung; Nazwa, Nazwa; Kudadiri, Puput Khairani
JURNAL HUTAN TROPIKA Vol 20 No 2 (2025): Volume 20 Nomor 2 Tahun 2025
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v20i2.24085

Abstract

The use of open space on riverside has different characteristics from open space on land. Pahandut Seberang Village is the location of the research on land use in open spaces. The Pahandut Seberang Village area is one of the villages in Pahandut District located on the Kahayan Riverside area. Pahandut Seberang Village can be reached by land transportation or by river. The purpose of this study is to analyze land use strategies in open spaces on the Kahayan Riverside area. The research method uses qualitative methods based on literature studies, surveys, and interviews with residents and key persons. The strategy analysis identified the function of open spaces in the riverside area. The results of the analysis show that land use during high tide and low tide is different in terms of physical spatial functions, and community social activities in the open space. The results of this analysis can be used as a reference in the development of spatial areas on riverside.
Pengembangan Ruang Hijau Berbasis Partisipasi Masyarakat di Kelurahan Pahandut Seberang Kota Palangka Raya Noor Hamidah; Dwi Anung Nindito; Mahdi Santoso; Syahrozi
Diteksi : Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 2 (2025): Diteksi, Vol. 3, No. 2, November 2025
Publisher : Fakultas Teknik Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/diteksi.v3i2.16609

Abstract

The potential of mothers' groups in processing routine activities, both religious and social deepening activities. The PDPPM FT UPR team initiated a service collaboration with the mothers in RT.03/RW.02, especially the guardians of students at the Ar Raudah Muslimat NU Kindergarten, Pahandut Seberang Subdistrict, in utilizing their yards for vegetable planting activities. Mothers, guardians of Ar Raudah Muslimat NU Kindergarten students, Pahandut Seberang Subdistrict routinely take the children to school. The aim of the service team's activities is to identify activities that can be carried out by mothers, such as using the yard to grow fruit and vegetables. Fruit and vegetables function to fulfill food security for the family. The method uses qualitative methods through observation and interviews for the implementation of service starting from the stage of selecting fruit and vegetable seeds, planting to maintaining the plants. The location of the service is planned in a residential area near the center of worship, namely TK Ar Raudah Muslimat NU Pahandut Seberang. The activity phase began with mediation of service ideas or discussion forums with student mothers at Ar Raudah Muslimat NU Kindergarten, Pahandut Seberang Subdistrict as partners directed by the Head of RT.03/RW.02. The service stage determines the service location for implementing the creative green concept, namely fruit and vegetables, the implementation stage carries out outreach related to the application of the green space concept. The socialization stage is followed by training starting from measuring the land, marking and plotting the yard for planting plants and maintaining vegetables and fruit. Implementation of the Community Empowerment Assistant Lecturer Program by the Faculty of Engineering team, Palangka Raya University in partnership with a group of mothers in utilizing limited land in the yard for fruit and vegetable plants
Prototipe Papan Partikel Tahan Air Berbahan Baku Limbah Kayu Sebagai Material Partisi Ruang: Waterproof Particleboard Prototype Made from Wood Waste as Room Partition Material Mahdi Santoso; Noor Hamidah; Dwi Anung Nindito; Adhitya Gantin Ranu; Ilham Qodir Siregar; Jon Riston Saragih; Wahyunita; Bahrul Yoga
JURNAL HUTAN TROPIKA Vol 21 No 1 (2026): Volume 21 Nomor 1 Tahun 2026
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v21i1.24009

Abstract

This study aims to evaluate the effects of ammonium dihydrogen phosphate (ADP) additive content, particle type, and layering technique on bonding properties of particleboard of white meranti (Shorea spp.) sawdust. The first stage examined the influence of ADP addition at concentrations of 0%, 5%, and 10% on the bonding properties of particleboard. The results indicated that all physical properties satisfied the requirements of SNI 03-2105:2006 and FAO:1966 standards; however, most mechanical properties did not meet the SNI standard, presumably due to the interference of ADP with adhesive bonding between particles. The second stage analyzed the effects of particle type and layering technique by increasing the polyurethane adhesive content to 20% without additive addition. This treatment significantly improved the mechanical properties, particularly for sawdust-based particleboard with a three-layer structure, enabling compliance with SNI 03-2105:2006 requirements. The third stage produced a particleboard prototype as an interior partition module, which exhibited physical and mechanical properties that met the applicable standards. Particleboard manufactured from white meranti sawdust bonded with 20% polyurethane adhesive is suitable for interior non-structural applications such as furniture and space partitions
Co-Authors Abdul Azis Abdul Aziz Adhitya Gantin Ranu Ahmad Mujaffar Akhmad Zaini, Akhmad Albalaqoti, Irhas Alpian Bahrul Yoga Christy, Eva Oktoberyani Desy Natalia Koroh Dwi Anung Nindito Dwi Anung Nindito Dwi Anung Nindito Eva Oktoberyani Christy Fitri Diana Batubara Frieda Frieda, Frieda Gimson Luhan Grace Sisca Grace Siska Hamidah, Noor Hasanah, Siti Fadillah Hendra Toni Herianto Ilham Qodir Siregar Jemi, Renhart Joko Sulistyo Jon Riston Saragih Joni, Herwin Kamariah, Nurul Asma Kilinton Sihombing Koroh, Desy Natalia Kudadiri, Puput Khairani Lies Indrayanti Maulana, Muhammad Iqbal Milad Madiyawati Nazwa, Nazwa Ningrum, Faradita Ersanti Noor Hamidah Noor Hamidah, Noor Noor Mahmudah Noor Mahmudah Nursiah Nursiah Nuwa Pidjath, Chartina Pradipta, Aria Pramana, Andika Prona Rogaya Rambe Putra, Apri Wijaya Ragil Widyorini Rahel Yunita Simatupang Rusanisari, Anna Rusdanisari, Anna Saputera, Saputera Saragih, Jon Riston Silaen, Cindy Claudia Br Silvianingsih, Yosefin Ari Sosilawaty, Sosilawaty Sulistiawati, Putri Sutjipto A Hadikusumo Sutjipto A. Hadikusumo Syahrozi Syahrozi, Syahrozi T.A. Prayitno Tanduh, Yusintha Tatau Wijaya Garib Tatau Wijaya Garib Tatau Wijaya Garib Tibertus Agus Prayitno Triyadi, Antonius Wahyu Supriyati Wahyudi Wahyudi Wahyunita Waluyo Nuswantoro Yanarita Yanarita Yanarita, Yanarita Yanciluk, Yanciluk Yosefin Ari Silvianingsih Yusuf Aguswan