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Renanda Baghaz Dzulhamdhani Surya Putra
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Direktorat Riset dan Pengabdian kepada Masyarakat (DRPM), Lantai 7, Universitas Brawijaya Jl. Veteran Malang, 65145, Jawa Timur, Indonesia
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INDONESIA
Journal of Environmental Engineering and Sustainable Technology
Published by Universitas Brawijaya
ISSN : 23563109     EISSN : 23563117     DOI : https://doi.org/10.21776/ub.jeest
Core Subject : Science, Social, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Environmental Science Mechanical Engineering
JEEST is an interdisciplinary and refereed journal, addresses matters related to environmental engineering and sustainable technology. Its range of themes encompasses ecological studies, field research, empirical work and descriptive analyses on topics such as environmental systems, environmental policies and politics, environmental legislation, environmental impact assessment, air, water and land pollution, water and energy related issues, engineering innovations, development, technical solutions and sustainability technology. Other matters related to or which influence the international debate on sustainability will be also considered.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 156 Documents
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ABIOTIC FACTORS AS INDICATORS OF THE ABUNDANCE OF PENJAH FISH OF THE GOBIIDAE FAMILY IN THE MAPILLI RIVER ESTUARY, POLEWALI MANDAR DISTRICT, WEST SULAWESI Fitri Fitri
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 1 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.01.1

Abstract

The aim of this study was to determine the effect of abiotic factors on the abundance of tilapia in the family of Gobiidae in the river of the Mapilli estuary. Sampling was carried out in two locations at three points each repeated three times. Samples were taken using a fish net by attaching to the edge of the river mouth and waiting for five minutes. Data collection for each station includes brightness, temperature, pH, salinity, current speed, conductivity, and the number of fish caught. The results showed that the abiotic factor had a significant influence on the abundance of penjah fish because at the time of abundance the migration season of fish heading to the estuary and in the Mapilli river had water conditions which were still suitable as a place to find food for Penjah fish when migrating. Abiotic factors that affect the abundance of anchovy fish in January, namely salinity, in March are influenced by current velocity, in April and May are influenced by temperature, current speed and brightness with the most abundant number of fish. Spread fish is the dominant species found in all locations and stations. The number of Penjah fish found during the research conducted over five months showed that the average appearance of anchovy fish fluctuated. The lowest abundance in February was 0, while the highest abundance occurred in April of 453 Tails.
COMMUNITY PARTICIPATION IN AGRO-TOURISM DEVELOPMENT AT KARANGSARI, BLITAR, EAST JAVA Amanda Putri Nastiti; Prof Luchman Hakim; Soemarno - -
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 2 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.02.1

Abstract

AbstractCommunity participation is one of the keys to success in the process of developing agrotourism in an area. This study aims to analyze the level of community participation in the development of Agro-tourism in Karangsari, Blitar, East Java. Community involvement in the planning, implementation, evaluation, and USE of the results or output is a major factor in developing Karangsari Starfruit Agro-tourism. Data collection research was carried out by distributing questionnaires to respondents consisting of stakeholders and communities around the agrotourism site. The data is processed using Microsoft Excel 2013 and Rank-Spearman Correlation Analysis using IBM SPSS 20. The results of the study show that the lack of community participation in the agrotourism development process occurs because it is influenced by internal factors such as age, education, employment, income level and length of stay. In addition to the influence of these internal factors, community members are also still not involved in any agrotourism development activities. The participation of the community can be improved by conducting activities that require the surrounding community to participate. 
MAPPING OF SACRED AREA FOR BIRD DIVERSITY IN WESTERN AREA OF MT. SEMERU Rahmi Ipango; Luchman Hakim; Dian Siswanto
Journal of Environmental Engineering and Sustainable Technology Vol 7, No 1 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2020.007.01.1

Abstract

Danyangan is A proof traditional conservation created by local wisdom. Knowledge of bioculture provides a facts play a role in understanding the ecological processes that occur and providing an overview local efforts in protecting the environment. The village’s. Danyangan has the form of a collection of large trees marked by the presence of sacred fig trees (Ficus sp.). Moreover, the fig tree become a habitat for several species of birds. The canopy’s cover reserves water, insects, and fruits as food for birds and creates an interesting relation as a microhabitats.The location of this study was carried out in the administrative district of Malang district in Tumpang, East Java in the area of the district located in Gubugklakah, Kunci, Drigu, Poncokusomo, Puthuk, Pandansari, Jajang, and Aran-aran. Bird observation is carried out using the point count or IPA method.The study recorded 636 individuals consisting of 31 species, 21 families and 9 orders. The birds identified were dominated by Passeriformes as many as 11 families. Based on the results, shows all locations in the danyangan area dominated by detailed Swallow (Collocalia linchii). Instead, The value of bird species abundance in all study locations is included in the high category of values ranging >4.
INCREASED TENSILE STRENGTH OF DISSIMILAR FRICTION WELD JOINT OF ROUND BAR A6061/S15C USING UPSET FORCE AND ONE-SIDE CHAMFER ANGLE Yudy Surya Irawan; Dwi Prasetyo; Teguh Dwi Widodo; Wahyono Suprapto; Tjuk Oerbandono
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 1 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.01.2

Abstract

An effort to increase the tensile strength of dissimilar friction weld joint of round bar A6061/S15C was done in this study using upset force and one-side chamfer angle. Commercial round bar aluminum alloy A6061 and carbon steel S15C were used as rotated and a stationary part, respectively in continuous drive friction welding (CDFW) process. Upset force variations of 10.5, 14, and 17.5 kN were used. CDFW process used burn of length of 15 mm for all CDFW specimens. Chamfer angle was machined on friction area of the S15C stationary part with the variation of 0 (without chamfer angle), 30 and 45 degrees. Tensile strength test, macrostructure observation and micro Vickers hardness testing, SEM-EDX analysis were performed. It was found that the smaller chamfer angle (30 degrees) produced maximum tensile strength of A6061/S15C CDFW joint. It occurred due to smaller formed flash, the lower temperature of the flash that indicate lower heat input and caused smaller heat affected zone and higher hardness in the CDFW joint. The higher upset force also yields higher tensile strength of CDFW joint due to the higher degree of plastic deformation during the upset stage of CDFW joint and this state contributes to higher hardness and tensile strength of A6061/S15C CDFW joint. SEM-EDX analysis result also confirmed that more aluminum existed on the fracture surface of the A6061/S15C CDFW specimen with maximum tensile strength.
CORRIDOR MAPPING OF BIRD AROUND SACRED AREA BASED ON VEGETATION COVER IN WESTERN AREA OF MT. SEMERU USING GEOGRAPHIC INFORMATION SYSTEM (GIS) Rahmi Ipango; Luchman Hakim
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 2 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.02.2

Abstract

Danyangan is A proof traditional conservation created by local wisdom. Knowledge of bioculture provides a facts play a role in understanding the ecological processes that occur and providing an overview local efforts in protecting the environment. The village’s. Danyangan has the form of a collection of large trees marked by the presence of sacred fig trees (Ficus sp.). Moreover, the fig tree become a habitat for several species of birds. The canopy’s cover reserves water, insects, and fruits as food for birds and creates an interesting relation as a microhabitats.The location of this study was carried out in the administrative district of Malang district in Tumpang, East Java in the area of the district located in Gubugklakah, Kunci, Drigu, Poncokusomo, Puthuk, Pandansari, Jajang, and Aran-aran. Bird observation is carried out using the point count or IPA method.The study recorded 636 individuals consisting of 31 species, 21 families and 9 orders. The birds identified were dominated by Passeriformes as many as 11 families. Based on the results, shows all locations in the danyangan area dominated by detailed Swallow (Collocalia linchii). Instead, The value of bird species abundance in all study locations is included in the high category of values ranging >4.A spatial review is needed to see the extent and potential of danyangan on the western semeru slopes in an effort to conserve biodiversity, especially birds. As inthisstudy, we investigated thecomposition, diversity and Geographic Information System of birds in the Danyangan area.A spatial review is needed to see the extent and potential of danyangan on the western semeru slopes in an effort to conserve biodiversity, especially birds. As inthisstudy, we investigated thecomposition, diversity and Geographic Information System of birds in the Danyangan area.
TECHNIQUE FOR SUSTAINABLE DEVELOPMENT ALONG TRISULA WATERFALL (COBAN TRISULA) - RANU PANI, BROMO TENGGER SEMERU NATIONAL PARK: A CASE OF EPIPHYTIC ORCHID CONSERVATION Afifah Nur Aulia
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 1 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.01.3

Abstract

The purpose of this study is to develop a technique for sustainable development of epiphytic orchid conservation, identify the types of epiphytic orchid host trees and identify the types of epiphytic orchids along the Trisula waterfall (Coban Trisula) to Ranu Pani. This research was conducted in October 2018 - April 2019 in Trisula waterfall (Coban Trisula) to Ranu Pani. A floristic survey with 9.3-miles exploration in Trisula waterfall (Coban Trisula) to Ranu Pani. Observation of host trees was carried out by observing individual morphological characteristics and referring to the Orchids of Java literature. It is important for the reforestation of potential trees that can be used as hosts by epiphytic orchids and the limitation of the function shifting of land as settlements, agriculture, plantations so, the forest area is wider and the epiphytic orchids are increasingly preserved. Identification of host trees and identification of epiphytic orchids need to support sustainable development as an effort to conserve epiphytic orchids. The types of host trees, they are: Kukrup (Engelhardtia spicata), Cemara gunung (Casuarina junghuhniana), Anggrung (Trema orientalis), Dadap putih (Acer laurinum), Trete (Celtis sp.), Bangkongan (Turpinia spaenocarpa), Suren (Toona sureni), Pamoung (Macropanax dispermus), Pasang (Lithocarpus sundaicus), Tutup (Mallotus paniculatus), Genitri (Elaeocarpus ganitri) and Astronia spectabilis. The types of epiphytic orchids found are Eria moluccana, Schoenorchis juncifolia, Vanda limbate, Agrostophyllum sp., Appendicula sp., Bulbophyllum macrantum, Bulbophyllum miniatum, Bulbophyllum obtusipetalum,  Bulbophyllum sp. I, Coelogyne miniata, Dendrobium linearifolium, Dendrobium hasseltii, Dendrobium sanguinolentum, Dendrochilum sp., Eria bogoriensis, Eria hyacinthoides, Eria longifolia, Flickingeria aureiloba, Liparis parviflora, Thrixspermum subulatum, Tuberolabium odoratisimum, Vanda tricolor
SCREENING OF INDIGENUS BACTERIA’S DEGRADING OF HYDROCARBON PETROLEUM FROM POLLUTED SEA AT BANDAR LAMPUNG’S DOCK Yuni Lisafitri; Tastaptyani Kurnia Nufutomo; Fitralia Elyza
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 2 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.02.3

Abstract

Indonesia is committed to achieving the SDGs in 2030. One of SDGs is protect the marine ecosystem. Bandar Lampung which has a coastal area in a form of a dock for sea transportation and the anchoring of fishing boats. These area are starting to be polluted due to waste, one of which is the fuel waste of ships or fishing boats that are in the area. When the quality of sea water decreases due to pollution it will have an impact on population and diversity of marine life. If this happens the sea will be damaged and the income of fishermen will decrease. Various studies have been conducted to overcome problems caused by oil (petroleum hydrocarbons), especially research on the use of microbiology in remediating polluted environments. Therefore, this study was conducted to test P1 isolates isolated from sea water in docks around Bandar Lampung. The Measurement was carried out at The Integrated Laboratory of ITERA by observing the growth of the bacteria (population of bacteria) on selective media that had been added with diesel oil as much as 2% (v/v). This measurement was carried out on day 1, day 4 and day 7 after incunbation for population and for % TPH was measurement in the first day and the last day of incubation. The results obtained that the GT1 isolate have a good result in population and decreasing of TPH than the other isolate.
UV VIS STUDY IN INTERACTION ASTAXANTHIN AND GLYCATED BSA Muhammad Irsyad Nur
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 1 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.01.4

Abstract

Astaxanthin antioxidant activity  has been reported to be more than 100 times greater than that of vitamin E against lipid peroxidation and approximately 550 times more potent than that of vitamin E for singlet oxygen quenching. The purpose of this study is to find out the best concentration of astaxanthin to reduce the uv absorbance from BSA glycated by using UV spectroscopy. Astaxanthin was dissolved in methanol at concentration (1 x 10-9– 1x10-10 mol/L) different concentrations, then added to BSA glycated 100mM and 500mM then observed with UV spectroscopy. From the UV spectroscopy observations at 284 nm wavelengths, the best results for astaxanthin concentration is 0.2x 10-9 and 1x10-10 mol/L , it shows the best concentration  on its effect to reduce the absorbance on BSA conformation
PHYSICOCHEMICAL CHARACTERIZATION OF BIODEGRADABLE PLASTIC FROM UWI TUBER STARCH (DIOSCOREA ALATA) WITH SORBITOL AND CMC (CARBOXYMETHYL CELLULOSE) AS PLASTICIZER ADDITION Dina Wahyu Indriani; Sumardi Hadi Sumarlan; Siti Munawaroh
Journal of Environmental Engineering and Sustainable Technology Vol 6, No 2 (2019)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2019.006.02.4

Abstract

Uwi tubers (Dioscorea alata) are widely used as biodegradable plastics materials because it contains high starch content about 75,6 – 84,3%. Biodegradable plastics can be used as a decent food wrapping. The purpose of this research is to study the process of making biodegradable plastics and analyze the effect of a adding CMC (carboxymethyl cellulose) and sorbitol plasticizers on the physicochemical properties of biodegradable plastics from uwi tuber starch with various parameters, solubility, thickness, tensile strength, elongation, modulus Young, compressive strength, biodegradability and surface morphology of functional groups. The making of plastic biodegradables is based on the melt intercalation method. Uwi tuber starch composition used was 5 grams, the combination of CMC concentration used was 0 gram; 0,20 gram; 0,30 gram; 0,40 gram. While the variations in the volume of sorbitol used are 2 ml, 3 ml, 4 ml, 5 ml. The results of this study indicate that the additon of 0 gram CMC and 2 ml of sorbitol produce tensile strength values of 7,66 MPa, the best modulus Young is 5,52 MPa. The compressive strength values is lower that is equal to 0,150 kgf, the best elongation value is at the addition of CMC 0,20 gram and sorbitol 5 ml that is equal to 39,44%. The concentration of the CMC addition and sorbitol plasticizer on biodegradable plastic affects physical properties in SEM testing with the additon of 0 gram CMC and sorbitol 2 ml, which results are denser when compared with the addition of 0,40 gram CMC and 5ml sorbitol. In the FTIR test, there are C-O alcohol/ester/carboxylic acid/eter functional groups in waves 1050-1300. Plastics with the highest concentrations of CMC and sorbitol need 7 days to be degraded.
INFLUENCE HYBRID RESOURCES TOWARD SUSTAINABILITY AT MICRO-HYDRO MANAGEMENT IN AMBAPA VILLAGE Muhammad Yusan Naim
Journal of Environmental Engineering and Sustainable Technology Vol 7, No 1 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2020.007.01.2

Abstract

This research illustrates the relationship analysis and influence of Hybrid Resources on the sustainable construct of Micro-hydro management. Hybrid Resources is an appropriate long-term solution in addressing the limitations of Micro-hydro Resources in the long dry season and is a variable that affects the sustainability of power plant management. The relationship and influence of these two constructs can be analyzed statistically inferential by applying Confirmatory Factor Analysis (CFA) partial and full model. The results of the partial model test showed that the estimation model of the reflection relationship of each of the variable Hybrid Resources and sustainability of its manifest variables had met the Critical Ratio (CR) and Standard Loading Factor (SLF) values. Furthermore, full-model test results show that the model estimation of relationship and influence between Hybrid Resources on sustainability variables is positive and significant and has fulfilled the criteria Of Good Of Fit (GOF). The most dominant manifest variable of gaining an indirect influence reflection of Hybrid Resources is of energy consumption of 0.746 and the manifest variable that most predominant gets reflection of the indirect influence of sustainability construct is the application of strict sanctions when properly proven use of the illegal energy by 0.704. The direct influence between Hybrid Resources against the sustainability construct by 0.260.                                      

Page 9 of 16 | Total Record : 156

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