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All Journal Agrienvi : Jurnal Ilmu Pertanian Jurnal Hutan Tropika Pengabdian Kampus: Jurnal Informasi Kegiatan Pengabdian Pada Masyarakat JURNAL HUTAN TROPIS
Nuwa
Jurusan Kehutanan Fakultas Pertanian Universitas Palangka
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Social Sciences

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Journal : Jurnal Hutan Tropika

 1 
KUALITAS ARANG AKTIF PADA TIGA JENIS LIMBAH KAYU UNTUK MENINGKATKAN KUALITAS AIR SUMUR BOR: Activated Charcoal Quality in Three Type of Wood Waste to Improve Water Quality Alpian; Robekka; Sarinah; Nuwa; Desi Natalia Koroh; Wahyu Supriyati
HUTAN TROPIKA Vol 15 No 2 (2020): Volume 15 Nomor 2 Tahun 2020
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v15i2.2166

Abstract

Wood processing industry waste consists of waste produced by the plywood industry, sawing and woodworking consisting of ends, blades, peelings, chips and sawdust. The use of wood waste is not utilized by the furniture industry and one of the solutions to its utilization by processing wood waste into activated charcoal. Activated charcoal can be made from all carbon-containing materials both organic and inorganic provided that the material is porous. Bangkirai, Rengas and Sengon wood waste as materials used in this study were carbonized first then activated charcoal. The quality test of activated charcoal carried out includes yield, air content, ash content, volatile matter content, carbon content, absorption of benzene, absorption of iodine and absorption of methylene blue. Overall, the results of testing the quality of activated charcoal did not all meet the requirements of SNI 06-3730-1995. The quality of activated charcoal from Rengas wood has the best quality (>456.59 mg /g) of all needs because the highest iodine absorption capacity according to Kimia Farma (KF) standards requires (> 426.5 mg/g). Rengas wood activated charcoal to bore wells improves the quality of drinking water No. 416/ Menkes / Per/IX /1990 except turbidity. Keywords : Active Charcoal, Bangkirai Wood Waste, Rengas, Sengon, Drilled Well Water.
Pemanfaatan Limbah Penggergajian Kayu Meranti Merah Sebagai Bahan Baku Papan Partikel Kerapatan Sedang Dengan Perekat Alami Asam Sitrat: Utilization of the Red Meranti Sawmill Waste for Raw Material of Medium Density Particleboard with Citric Acid Natural Binder Desy Natalia Koroh; Mahdi Santoso; Fitri Diana Batubara; Milad Madiyawati; Nuwa Nuwa
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.7537

Abstract

Red Meranti was a commercial wood that is widely used as a raw material for the timber industry (plywood and sawmill industry), and generated a lot of waste. Currently, the utilization of red meranti waste has not been utilized optimally. One of the optimizing utilization of that waste was for developing a Particleboard with the citric acid natural binder. The objective of this study was to determine the bonding properties of Sawmill Waste Red Meranti Particleboard bonded with a Citric Acid Natural Adhesive. Citric acid was dissolved in water with the concentration of the solution adjusted to 60 wt%. This adhesive solution was sprayed onto the 40 mesh (coarse) and 40 mesh (fine) particles at 10% and 20% resin content based on the weight of oven-dried particles. Each mixture was then hot pressed at 110°C for 15 min under 50 kg/cm² pressure. Density and dimension targets were 0.7 kg/cm³; 30 × 30 × 1 cm. Each experiment was performed in triplicate, and the average value and standard deviation were calculated. The results showed that the interaction of particle size and adhesive content had a very significant effect on density, internal bonding, and screw-holding strength and had no significant effect on moisture content, thickness swelling, and modulus of rupture (MOR). Based on the SNI 03-2105-2006, the physical properties that meet the standard were moisture content and. Meanwhile, the mechanical properties of sawmill waste red meranti particleboard have not met the SNI 03-2105-2006. Kata kunci (Keywords): Sawmill waste, red meranti waste, citric acid, natural binder.
Analisis Biaya Dan Pendapatan Lebah Madu Must Yoan Farm Kelurahan Kalampangan Kalimantan Tengah: The Analysis Of Cost And Income For Honey Bees Must Yoan Farm Kalampangan Village Central Kalimantan Pije Marlomak Simbolon; Sari Mayawati; Nuwa Nuwa
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.8086

Abstract

The Analysis of Cost and Income Must Yoan Farm Honey Bees, Kalampangan Village, Central Kalimantan. Honey bee cultivation in Central Kalimantan, especially the city of Palangka Raya, has the potential to be developed, considering the natural resources are very supportive and meet various location requirements for honey bee cultivation, in addition, especially honey bee farmers in the Kalampangan village have started this business, but stopped in mid this is due to a lack of information in terms of analyzing costs and income in this business, many think they will experience losses in this honey bee business while honey bees are a very good business because all of honey bees can produce economic resources starting from bees to waste and in the village of Kalampangan, the majority of people cultivate crops, so it is very good for natural pollination assisted by honey bees. Therefore, a proper analysis of the business being carried out is needed to find out the problems that occur at the research site and the solutions that will be taken. The method used consists of: 1. calculating fixed costs and income 2. Calculating honey bee business profits 3. Calculating break even point (BEP). 4. Calculating the feasibility of a honey bee business. The results of the study, 1. The cost of Rp. 355.400.000, and the amount of income is Rp.901.090.000, 2. Profit earned is Rp.545.690.000, 3. BEP (Break Even Point) in rupiah is Rp.231,806,626 and BEP unit is 1,825.71 4 The level of business feasibility, the value of the B/C Ratio is 2.54
Karakteristik Briket Arang dengan Komposisi Serbuk Kayu Sungkai (Peronema canescens) dan Kayu Ulin (Eusideroxylon zwageri) Wahyu Supriyati; Enti Rimma Silalahi; Nuwa Nuwa; Alpian Alpian
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9398

Abstract

Energy potential and reserves such as petroleum and natural gas available in the bowels of the earth are running low, so alternative energy is needed. Charcoal briquettes are one of the non-oil and gas energy sources that have a high enough potential to meet future needs other than oil and natural gas. Sawmills in the furniture industry produce sawdust of sungkai (Peronema canesens) and ironwood (Eusyderoxylon zwageri) wood powder which can be used as raw materials for making charcoal briquettes. The purpose of this study was to determine the quality of charcoal briquettes produced from the waste composition of sungkai sawdust and ironwood sawdust. The average test results for the physical, chemical and mechanical properties of each test treatment complied with SNI (01-62365-2000) except for density and volatile matter. The best quality of charcoal briquettes was found in treatment K1 (0% Sungkai and 100% Ulin) with density of 0.57 (g/cm3), compressive strength of 65.76 kg/cm2, moisture content of 4.08%, volatile matter content of 29 .76%, ash content 1.20%, fixed carbon content 62.77% and calorific value 6869.71 cal/g.
Daya Kecambah Benih Rotan Jernang (Daemonorops draco Blume) dengan Perlakuan Perendaman Zat Pengatur Tumbuh Atonik Johanna Maria Rotinsulu; Reni Rahmawati; Nuwa Nuwa
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9744

Abstract

Good germination of rattan jernang (Daemonorops draco Blume) seeds will increase germination power, germination rate, and germination value. However, there are still obstacles to germination, because the jernang rattan seeds have a dormancy period. Soaking in Atonic Growth Regulatory Substances (ZPT) is one method that can be used to break thedormancy period of seeds. This study aims to determine the dose and soaking time on the germination value of jernang rattan seeds (D. draco Blume). The study used four treatments and 3 groups/replications. The treatment in this study was the dose of ZPT Atonik, namely 50 CC/Liter, 80 CC/liter, 120 CC/liter, 150 CC/liter. Grouped by immersion time, 24 hours, 48 ​​hours and 72 hours. The results showed that the best germination percentage of German rattan (D.draco Blume) seeds were treated with ZPT Atonik dose of 120 cc/liter and soaked for 48 hours with a percentage of 100%. The best seed germination rate was at 150CC/liter treatment and 24 hours of soaking time, which was 50%/day. The highest germination value was found in seeds treated with ZPT 120CC/liter and soaking for 48 hours with an average of 0.0036%/ day. The conclusion of this study is that the ZPT Atonik dose of 120 CC/liter and 48 hours of soaking time has an effect on the percentage of germination power and germination value, while the ZPT dose of 150 CC/liter with 24 hours of soaking time increases the germination rate
Waktu Kering Angin Pada Daun dan Tangkai Terhadap Mutu dan Rendemen Minyak Nilam Aceh (Pogostemon cablin Benth) Nuwa Nuwa
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.9762

Abstract

Study of the yield and quality of Aceh patchouli oil from leaves and stalks at several drying times, in Bukit Batu, Palangka Raya City, Central Kalimantan. Treatment of drying time patchouli leaves and stalks to a certain extent can increase the yield of patchouli oil produced. 4 days drying treatment leaves produced the highest yield of 5.17%, stalks for 8 days produced the highest yield of 3.78% decreasing with the longer drying time. The lowest yields without desiccation (control) on leaves and stalks were 1.4% and 1.16%. Drying time treatment of patchouli leaves and stalks to some extent increased the patchouly alcohol content of patchouli oil produced. Drying time treatment for 8 days produced the highest patchouly alcohol in leaves (31.48%) and stalks (29.71%) then decreased with the longer drying time. The lowest patchouly alcohol content in the control treatment 22.94% and 19.73% in the leaves and stalks. Physical and chemical properties of patchouli oil characteristics (color, optical rotation, specific gravity, refractive index and patchouly alcohol), that the quality of patchouli oil produced by the control is low. Quality requirements of patchouli oil based on SNI No. 06-2385-1991
Co-Authors Alpian Apriadi Apriadi Christine Wulandari Desi Natalia Koroh Desi Wulandari Desy Natalia Koroh Enti Rimma Silalahi Fitri Diana Batubara Gunardi Djoko Winarno Indra Gumay Febryano Johanna Maria Rotinsulu Joni, Herwin Mahdi Santoso Milad Madiyawati Misrita Misrita Nursiah Nursiah Patricia Erosa Putir Pije Marlomak Simbolon Renhart Jemi Reni Rahmawati Reri Yulianti Robekka Sari Mayawati Sarinah Slamet Budi Yuwono Wahyu Supriyati Yorlandi Kornelius Yoga Yulia Rahma Fitriana