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KUALITAS PAPAN PARTIKEL DARI AMPAS BATANG SAGU (Metroxylon spp) DENGAN PEREKAT ALAMI ASAM SITRAT : SIFAT FISIK, MEKANIK DAN KEAWETAN TERHADAP RAYAP TANAH (Coptotermes curvignathus Holmgren) Wesly, Yonatan; Dirhamsyah, M; Setyawati, Dina; Nurhaida, .
JURNAL HUTAN LESTARI Vol 7, No 1 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i1.31249

Abstract

AbstractThis study is intended to focus on the concentration of natual citric acid and density including physical and mechanical properties and durability of particleboards towards C. curvignathus Holmgren. This research is lifted because research on the use of citric acid as an adhesive is relatively limited.The research’s material was taken from waste dreg of Sago and citric acid. The research was carried out in wood workshops, wood processing technology laboratories and forest product technology laboratories, Tanjungpura University Forestry Faculty along with laboratories PT Duta Pertiwi Nusantara. The factors which was used in this study was the concentration of 20% - 30% with a density of 0,6 g/cm3 and 0,7 g/cm3 , based on the weight of the airborne particle, the temperature of pressurization used 180ºC with pressures of 25 kg/cm2. Physical and mechanical properties were tested based on JIS A 5908-2003 type 8. Testing of soil termites was carried out by calculating the value of weight reduction and mortality of termiste after 21 days. In this study, The optimum conditions were particle board density 0,7 g/cm3 and concentration 20%, with qualities that can fulfill several standards of JIS A 5908-2003 type 8, with a density of 0,7 g/cm3 consentrations 30%, resulting in termite mortality values of 100% and loss16,92% of weight.Keywords : Citric acid, concentration, density, termite, sago.
KUALITAS PAPAN PARTIKEL BERDASARKAN KOMPOSISI SEKAM PADI DAN KAYU SENGON DENGAN VARIASI KADAR PEREKAT Prayoga, Dendi; Dirhamsyah, .; Nurhaida, .
JURNAL HUTAN LESTARI Vol 7, No 2 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i2.33693

Abstract

This research aimed to examine the physical and mechanical properties of particle boards based on the composition of raw materials and adhesive content and know the treatment of the composition of raw materials and the best adhesive content and meet the standard JIS A 5908-2003. The research was conducted at Wood Workshop Laboratory, Wood Processing Laboratory Faculty of Forestry,Tanjungpura University and Laboratory of PT. Duta Pertiwi Nusantara Pontianak. The adhesive used is Urea Formaldehyde with 52% Solid Content. Comparison of the composition of rice husks and sengon varies namely rice husk 50%: sengon 50%, rice husk 60%: sengon 40% and rice husk 70%: sengon 30%  and variations in the levels of UF adhesives, namely 14% and 16%, with target density 0,7 gr/cm3. The particleboard was 30 cm x 30 cm x 1 cm Pressing at temperature 140oC for 8 minutes, with  pressure of 25 kg/cm2. The research results of the study of density and moisture content meet the standards JIS A 5908-2003. The best particle values of rice husk and sengon  with composition a ratio of  rice husk 50%: sengon 50% , 16% adhesive content  16%, with density value of  0,7072 gr/cm3, moisture content 9,1949 %, thick development 12,3210 %, water absorption 68,8270 %, MOE 12110,7273 kg/cm2, MOR 161,0025 kg/cm2, firmness sticky 1,9320 kg/cm2, screw holding strength 62,3124 kg.Keywords : adhesive, composition, particle board, rice husk, sengon
SIFAT FISIK MEKANIK PAPAN PARTIKEL DARI AMPAS SAGU (Metroxylon sp) BERDASARKAN UKURAN PARTIKEL DAN PERBANDINGAN ASAM SITRAT-SUKROSA Wiwit, .; Setyawati, Dina; Yani, Ahmad; Nurhaida, .
JURNAL HUTAN LESTARI Vol 7, No 1 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i1.31421

Abstract

The manufacture of particleboards from dregs of sago and natural adhesives of citric-sucrose acid has not been widely reported. The aim of this research to examine the physical and mechanical properties of particleboard from dregs of sago based on particle size and the ratio of citric-sucrose. The dregs of sago used is 8-10 mesh and 20-40 mesh. Natural adhesive is used 20% of the dry weight dregs of sago. The ratio of citric acid-sucrose used varies 0/100, 25/75, 50/50, 75/25, 100/0. The particleboard is made manually consisting of 3 layers (face, core, back) were manufactured in 30 cm x 30 cm x 1 cm, and the target of density was 0,7 g/cm3. The pressing at a temperature of 180oC for 15 minutes, and pressure of 20 kg/cm2. The physical and mechanical  properties of particleboard were tested in accordance to standard JIS A 5908-2003 Type 8. The results showed particleboard that physical properties meets the standards is density, moisture content, and thickness development. The particleboard dregs of sago with ratio citric acid-sucrose 25/75 was able to provide the best results to meet the standards of JIS A 5908-2003 Type 8 for density values of 0,7532 g/cm3, moisture content of 8,6725%, thickness of  development 8,0756%.Keywords: citric acid-sucrose , dregs of sago, particleboard, particle size
PEWARNAAN KAYU SENGON (Paraserianthes falcataria Linn) DARI EKSTRAK LIMBAH KULIT KAYU BAKAU (Rhizophora apiculata Blume) : UJI KETAHANAN WARNA DAN KEAWETAN KAYU Wardyani, Yuli; Diba, Farah; Nurhaida, .
JURNAL HUTAN LESTARI Vol 5, No 3 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i3.20998

Abstract

Sengon (Paraserianthes falcataria Linn) wood is widely used as a particular furniture and craft materials due to many supply and low cost. But Sengon wood has a color that tends to be white and has a low-grade durable IV-V. Mean while the bark of Rhizophora apiculata Blume mangrove was unutilized and made a huge waste, so its need optimal handling. Staining of sengon wood from mangrove bark extract is expected to provide new innovations in increasing the value of environmentally friendly wood decorative and can increase the value of wood sengon timber. Natural dye extract of mangrove bark waste using concentration of 2.5%, 5%, 7%, and 10% dye solution applied on Sengon wood. The results showed that the color endurance at concentrations of 2.5% to 5% was quite good compared to the concentrations of 7.5% and 10%. This is proved by evidence of the value color change before the test with the color of wood after testing using hot and cold water. The highest termite mortality value occurred at a concentration of 10% and the lowest weight loss of the colored test sample was found at a concentration of 10%. At concentration 5% has shown the optimal result in increasing the durability value of Sengon wood which initially with class durable IV-V become class durable II. Dye extract of mangrove bark waste Rhizophora apiculata Blume can be used as dye and increased the durability value of Sengon wood with optimum concentration for the purpose of staining and durability of wood is at concentration 5%.Keywords: C. curvignathus, Concentration, Natural Dye, Sengon, Waste Mangrove Bark
INTENSITAS SERANGAN RAYAP PADA Eucalyptus pellita DI AREAL HUTAN TANAMAN INDUSTRI PT. WANA HIJAU PESAGUAN KABUPATEN KETAPANG Simanjuntak, Octo Erwin; Suryantini, Rosa; Nurhaida, .
JURNAL HUTAN LESTARI Vol 7, No 1 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i1.32201

Abstract

PT. Wana Hijau Pesaguan developed the Eucalyptus plant in 2017 and had one year old (2017-2018). Observations Eucalyptus in PT. Wana Hijau Pesaguan was found termites that attacked Eucalyptus tree (Research and Development 2007). One of termites spesieses that had been indentified by  this company is Coptotermes curvignathus. However, until now there had not been known intensity of attacks and the level of damage on the Eucalyptus by termies. Besides there was also the lack of scientific information and publications relating to the level of damage and damage by termites in this area.This research aimed to count the intensity of termite attack in  E. pellita in PT. Wana Hijau Pesaguan.  This research was conducted from August to September 2018 using field survey. Plot samples were taken as many as 24 plots of size 20 x 20 m, the sampling intensity was 10% of the area of 9.4 ha. Data analysis in this study used analysis of the level of damage and intensity of the attack. The results showed this, the species of termites that attacked the E. pellita was Macrotermes gilvus. The level of attack were 0 - 9.25% with the average of damage intensity reached 3.21%.  It was categorized into mildly damaged.  The factors that influenced the occurrence of termite attacks were the amount of trash and wood stumps, trenches, and locations bordering rubber plants and forests around plants.Keywords: Eucalyptus pellita, the intensity of damage, the level of attack, Termite, Macrotermes gilvus
KUALITAS PAPAN PARTIKEL AMPAS SAGU BERDASARKAN KADAR PEREKAT ASAM SITRAT Endriani, Beti; Setyawati, Dina; Nurhaida, .
JURNAL HUTAN LESTARI Vol 7, No 2 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i2.34557

Abstract

This research was to aimed the quality of particle board made from sago waste on citric acid. Particle board made from sago waste from Ambawang Subdistrict, the Regency of Kubu Raya. The research was conducted at the Wood Workshop Laboratory, Wood Processing Laboratory, Faculty of Forestry and PT. Duta Pertiwi Nusantara. Particle size with 8 mesh – 10 mesh and Adhesive citric acid levels were 10%, 20%, 30%, 40%. Mixing material is done manually. Particle board is made with size 30 cm x 30 cm x 1 cm with target density of 0,6 gr/cm2. specificpressure of 25 kg/cm2 and temperature of 1800 C for 15 minutes. The quality of particle board comply with a request JIS A 5908-2003 is increasing adhesive citric acid 20%.Keyword : citric acid, particle board, sago waste
SIFAT FISIK DAN MEKANIK PAPAN PARTIKEL SERAT KULIT BATANG SAGU (Metroxylon sago ROTTB.) BERDASARKAN UKURAN SERAT Handayani, Geni Saputri; Dirhamsyah, M; Nurhaida, .; Setyawati, Dina
JURNAL HUTAN LESTARI Vol 7, No 1 (2019): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v7i1.32687

Abstract

Wood is the most used basic material for daily life, such as material construction, furniture, appliances, and etcetera. This causes the increase of the necessity of wood in the other hand, the availability of wood are decrasing. On of the solutions for this problem is the particle-board from the agriculture waste which is sago. One of the sago parts which can be used is the sago bark. It contains more number of cellulose and lignin then dago dregs and it also contains bigger cellulose and lignin than woods, so it can be used as particle-board. The fibers used are 5 cm, 10 cm, and 15 cm. The citterate solution concentrate is 20% which was mixed with the particle-board. These particle mixtures were in an oven in 24 hours. The production of particle-board with the target of density 0,6 g/cm2 and forged in 1800 C within 15 minutes. The aim of this research is to find out the size of fibers for the particle-board. The best quality of particle board based on JIS 5908 standard is on the 10 cm fiber , with board mechanical characteristic  : the flexibility module 22801,8196 kgf/cm2, the fracture module 334,9006 kgf/cm2, and the screw holding strength 46,5448 kgf/cm2. The physical characteristic of water concentrate 10,6249 % and the water absorption 66,8314 %. The score of dense/thickness development and internal bonding did not quality JIS 5908 A (2008). In general, the result of the research showed that longer the size of fibers the better the quality would be produced. Keywords : fiber size, oven duration, particle-board, sago bark
SIFAT FISIK DAN MEKANIK ORIENTED STRAND BOARD (OSB) KAYU KARET (Hevea brasiliensis) BERDASARKAN PERLAKUAN PENDAHULUAN DAN KONSENTRASI PEREKAT Budi, .; Yani, Ahmad; Nurhaida, .
JURNAL HUTAN LESTARI Vol 6, No 2 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i2.25593

Abstract

The objectives of this research were to know the effect of preliminary treatment, adhesive concentration and the interaction of both factors to physical and mechanical properties of Oriented Strand Board (OSB) of rubber wood that produces the best board that meets JIS A 5908-2003 24-10. The research was conducted at Wood Workshop Laboratory, Wood Processing Laboratory Faculty of Forestry, University of Tanjungpura and Laboratory of PT. Duta Pertiwi Nusantara Pontianak. Materials used in this study were rubber wood, phenol formaldehyde (PF) adhesives and liquid paraffin, with pretreatment (without immersion treatment, cold soaking and heat immersion) and adhesive concentration (6%, 8% and 10%). OSB board was made with the size of 30 cm x 30 cm x 1 cm with a target density of 0,7 gr / cm3 whitewashed phenol formaldehyde adhesive and hot forged with a temperature of 1600 C for 7 minutes. The results showed that preliminary treatment had a very significant effect on the value of thickness development, water absorption, MOE, MOR and stickiness (IB). Treatment of adhesive concentration had a very significant effect on water absorption, adhesive firmness, and strong screw hold. The interaction of these two factors had a significant effect on water absorption and MOE and also had a very significant effect on the value of thickness development and strong screw hold. The best OSB produced in this study was a pre-treated board without immersion with a concentration of 10%, with a density value of 0,7857 gr/cm3, moisture content of 13,4739 %, development of 2-hour thick 1,5772 %, thickness 24 hour 11,1553 %, water absorption 2 hours 10,8460 %, water absorption 24 hours 38,7681 %, MOE 38.000,8885 kg/cm2, MOR 639,0476 kg/cm2, stickiness 18,8454 kg/cm2 and firmly hold the screw 152,4221 kg.Keywords: Adhesive concentration, Oriented strand board, Pretreatment Rubber wood. 
KUALITAS PAPAN KOMPOSIT KULIT BATANG SAGU (Metroxylon sp) DAN LIMBAH PLASTIK POLIPROPILENA BERDASARKAN PENAMBAHAN COMPATIBILIZER Sumimi, .; Farahdiba, .; Nurhaida, .; Setyawati, Dina
JURNAL HUTAN LESTARI Vol 4, No 4 (2016): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v4i4.18243

Abstract

Wood is a basic requirement in the industrial activity such as constructions and furniture. While timber production decreased so that required an efficient utilization of wood. The solution to overcome this problem is use of sago bark in the form of composite board. Plastic is a material consisting of artificial inorganic chemicals are quite harmful to the environment so it is necessary to increase the value of plastic. In the process of making composite board using compatibilizer to improve the bonding between the fibers. The study aims to determine the quality of the composite board made from sago bark and polypropylene plastic waste based on addition of compatibilizer. Percentage of compatibilizer used 0%, 2,5%, and 5% of the weight of the plastic. Composite board size was 30 cm x 30 cm x 1 cm with a target density of 0.7g/cm3 at compression 25 kg/cm2 with temperature 180ºC for 10 minutes. Evaluation the physical properties (density, moisture content,thickness swelling and water absorption ) and mechanical properties (modulus of elasticity, modulus of rupture, internal bonding and strong hold the screws) was conducted according to standard JIS A 5908-2003. The result of research showed that the highest quality of composite board was achieved on the highest addition with percentage compatibilizer 5%. Keywords: BPO, compatibilizer, composite board, MAH, plastics polipropilena, sago bark.
JENIS KELELAWAR PEMAKAN BUAH (Pteropodidae) DI KAWASAN GUA THANG RAYA KECAMATAN BEDUAI KABUPATEN SANGGAU KALIMANTAN BARAT Thursiana, Agustina; Nurdjali, Bachrun; Nurhaida, .
JURNAL HUTAN LESTARI Vol 5, No 2 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i2.19987

Abstract

Bats are very important for the ecosystem including for pollination as well as the spread of plants. Forest clearing for plantation becomes a threat to bats to fine food in fruits trees, specially frugivorous bats (Pteropodidae). The aim of this study is to determine the species diversity of frugivorous bats (Pteropodidae) in the area of Thang Raya Cave in Subdistrict of Beduai Sanggau Regency West Kalimantan, and the results of this study are expected to provide information about the types of frugivorous bats (Pteropodidae) that can be used in ecosystem management in the region of Thang Raya Cave. This research used the catch and release method with mist nets as many as 6 pieces. This mist nets were placed purposively at three research sites namely at the around of watershed, fruit trees and Thang raya Cave. The bats caught were measured, identified and tagged and then released. From the analysis, it is known the bats caught were as many as 31 individuals belonging to one family and two species of bat, were Rosettus amplexicaudatus and cynopterus horsfieldi with the number of individual 24 males and 7 femakes. The highest dominance indeks of bats found in the around of the Thnag Raya Café was (1,00), the indeks  of highest species diversity was found at of fruit trees (0,23), the evenness index was the highest at of fruit trees (0,76), the index of species richness was the highest at of fruit trees (1,05), and the similarty index was the highest at between the fruit trees and Thang Raya Cave (0,82). Keywords: Frugivorous bats (Pteropodidae) catch and release method, identification.
Co-Authors . Budi Adelia Pramita Sari ahmad yani Aldian Syaputra, Yoga Alfin Maulana Arfah Bachrun Nurdjali Cut Aja Nuraskin Dede Hermawan Dina Setyawati Dirhamsyah, . Endriani, Beti Fadillah H Usman Farah Diba Farahdiba, . Femi Earnestly Handayani, Geni Saputri Haritsah Hammamah Harahap Hasan Ashari Oramahi Helga Yermadona Herlina Darwati Hilum, Rium Indah Susanti L. Tangge Lubis, Loria Amisah M. Dirhamsyah Matulessy, Esther Ria Maurisa, Tirsa melda saputri Miftahul Nur Khairi Rangkuti Monim, Harina Orpa Lefina Muhlis, La ode Najwa Nurhasyifa Naresworo Nugroho Nita Diniati, Baiq Nova Rita, Nova Pidola, Viras Alti Polem, Ayu Muthma'innah Prayoga, Dendi Puspa Riani Nasution Putri Nabila Nasution Rahmad Saputra Rahmawati Rahmawati Reca Reca Refialdinata, Jeki Riny Jefri Rosa Suryantini Sagala, Ismaniar Hasanah Sarman, . Sesa, Junianto Siallagan, Tamauli Simanjuntak, Octo Erwin Sri Wahyuni Sri Wahyuni Srirahayu, Eka Suhaimi, . Sumimi, . Suryani Suryani Tampubolon, Ester Meilina Thursiana, Agustina Trigarcia Maleachi Randa Usman, Fadiilah H Wardyani, Yuli Wesly, Yonatan Wiwit, . Yundelfa, Mandria Yunita Purnama Sari Yunita Sabri