CD Tesis
Pengelolaan Kebun Kelapa Sawit Berkelanjutan (Pendekatan Pengelolaan Limbah Batang Kelapa Sawit Kegiatan Peremajaan Kebun Di Provinsi Riau Sebagai Eco-Plywood)
The total area of oil palm plantation in Riau Province accounted for 2,430,508 hectares in 2016 with 97,220 hectares/year of replanting activities. The treatment of oil palm waste from replanting activities via burning and decomposing may increases the amount carbon emission in the atmosphere which would cause global warming. This research aims to determine environment-friendly oil palm plantation management strategies, in particular oil palm trunks waste utilization as alternative staple source of making plywood core. This research took place at PT. Asia Forestama Raya’s (PT. AFR) factory in Pekanbaru, Riau Province. Plywood industries have been collapsed because of the minimal amount of timber supply left in natural forests. There were eight plywood factories in Riau, but only three factories that still operates while producing below the installed capacity. The data of this research was taken from 25 years-old replanted Tandum plantation owned by PT. Perkebunan Nusantara V Ltd. (state-owned) in Riau Province. Ninety one oil palm trunks were used for plywood core making test material and three oil palm trunks used for carbon stock test material. Based on technical aspect assessment (mechanical/physics), only 4 mm (three ply) eco-plywood that passed all of the tests: adhesion shear strength, bonding strength, delamination, and moisture content. Based on financial/economic aspect assessment, eco-plywood factory investation analysis was decent, with Rp 101,669,696,523 NPV (positive); 26.74% IRR (above bank interest); 1.13 PI (above 1); and five years of PP. Based on social aspect assessment, one eco-plywood factory with 27,500 m3/year capacity open jobs for 660 people/factory/year, including 42 permanent labours, 458 contracted labours, and 160 daily labours. Based on environmental aspect assessment, an oil palm tree has 223.68 kg C/trunk carbon biomass on average, or 28.63 ton C/ha. An eco-plywood factory with 27,500 m3/year capacity requires raw material from 783 ha/year oil palm plantation or 22,417 ton C/year. If eco-plywood rendemen was 24%, then carbon sink on core eco-plywood was 5,380 ton C/year or 19,726 ton CO2/year of carbon dioxide stock. The result of this research shows that oil palm trunks waste which was the biggest waste of replanting activities, could be used as an alternative timber/base source for plywood core, as prevention/reduction effort of carbon release to the atmosphere, as a part of commitment to implement Paris Agreement. It is also an effort to save plywood industries, that fulfills technical, economics, social, and also environmental aspects.
Key words: global warming, oil palm plantation, eco-plywood, sustainability.
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