Garuda - Garba Rujukan Digital

All

INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY

urbanenvirotech
Website

Published by Universitas Trisakti

ISSN : 25799150 EISSN : 25799207 DOI : https://dx.doi.org/10.25105

Core Subject : Science, Agriculture, Social, Engineering,

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Energy Environmental Science

The scope of the journal emphasis not limited to urban environmental management and environmental technology for case study in Indonesia and for other region in the world as well. Urban Environmental Management: environmental modeling, cleaner production, waste minimization and management, energy management and policies, water resources management, water supply and sanitation, industrial safety and health, water recovery and management, urban environmental pollution-diseases and health status, eco-drainage, flood risk management, risk mitigation, climate change and water resource adaptation. Environmental Technology: energy efficiency, renewable energy technologies (bio-energy), environmental biotechnology, pollution control technologies (wastewater treatment and technology), water treatment and technology, indigenous technology for climate change mitigation and adaptation, solid waste treatment and technology

Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan

Articles 313 Documents

12 13 14 15 16

THE ECO ENZYME APPLICATION ON INDUSTRIAL WASTE ACTIVATED SLUDGE DEGRADATION Temmy Wikaningrum; Rijal Hakiki; Maryani Paramita Astuti; Yunita Ismail; Filson Maratur Sidjabat
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

Aim: This study aims to determine whether the application of eco enzyme affects the industrial waste activated sludge degradation and to compare the effects of eco enzyme made from oranges and tomatoes. Methodology and results: The experiments were done on the laboratory scale for 12 days by applying 10% of eco enzyme in the sludge samples. It showed both tomatoes and oranges eco enzymes can decrease the pH from 6.9 to 4.7 compared to control which was stable at 6.9. The reduction of COD, TSS, and VSS by tomato eco enzyme applications were 61%, 39% 41% respectively compared to by orange eco enzyme application that showed a higher reduction of 78%, 45%, 46% respectively. The control samples also show the reduction of COD, TSS, and VSS by 21%, 23%, 30% respectively. The reduction of organic content in the control samples of sludge (8.9%) was higher than the samples with eco enzyme (3.5%). Conclusion, significance, and impact study: The results showed that eco enzyme application significant statistically affected reduction of pH, COD, organic content, but not significant statistically on TSS and VSS reductions. Comparing the application of orange and tomatoes eco enzyme did not show the significant different treatment.

STUDY OF MODIFIED PERFORATED BREAKWATER AS RENEWABLE ENERGY DEVICE Oki Setyandito; Novandy Novandy; Nizam Nizam; Martin Anda; Riana Ayu Kusumadewi; Yureana Wijayanti
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

Aim: This study investigates to determine the influence of wave steepness, relative freeboard, and breaker parameters on overtopping discharge at a perforated breakwater. Methodology and results: The research method used was using both a numerical model simulations on three-dimensional computational fluid dynamics (CFD) modelling software namely FLOW-3D; and empirical equation computation. The evaluation of both approaches were performed for understanding the characteristics of wave discharge that overtopping the perforated breakwater. The experimental results of modified perforated breakwater revealed that the lowest slope possible with the highest porosity possible can generate the highest value of dimensionless overtopping discharge for wave energy harvesting. Conclusion, significance and impact study: The findings of this study formulated the optimum slope and porosity to the highest wave energy harvested. Further studies recommend that data collection from onsite trials of modified perforated breakwater are performed.

COMMERCIAL PROPERTY DEVELOPMENT PROGRAM OF HIGHEST AND BEST USE STUDY IN INDUSTRIAL AREA SIER SURABAYA I. G. Oka Sindhu Pribadi; Meyriana Kesuma; Miya Irawati
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

Part of Surabaya Industrial Estate Rungkut (SIER) Area is planned to become Central Business District (CBD) in accordance with the direction of the Surabaya City Government. The land use is changed due to the decrease of carrying capacity of the infrastructure in the environment around SIER, caused by density increase since Middle East Ring Road (MERR) was opened in 2012. In addition, some of the areas that became CBD areas are part of the PT SIER area (97.4 Ha). Aim: This study was aimed to determine alternative land functions. Methodology and results: Since CBD is generally dominated by commercial properties, this research focuses on commercial property development programs carried out within the scope of the Highest and Best Use (HBU) Study. This research was conducted through location, site, and market analysis, completed with recommendation for property type in SIER location. Conclusion, significance and impact study: Based on macro market analysis, supply of retail, hotel and apartment property is increasing, while supply of office is decreasing. The results of this study are the best and highest value proposals for the development of commercial property functions (apartments, offices, shopping areas, and hotels), so that the investment is not high risk. In addition, the result can be used as a policy orientation for all interested parties, especially PT SIER in the development of CBD in its area, related to the development stage that is adjusted to the interests and market conditions.

SOLID WASTE ANALYSIS AND PROCESSING POTENTIAL IN THE TOURISM SECTOR: CASE STUDY IN NUSA DUA, SOUTH KUTA, BALI I Made Wahyu Widyarsana; Made Ayu Priyanka; Lahur Akbar Devianto
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

Aims: The study of waste generation and composition in 6 types of tourism facility in Nusa Dua is carried out to analyze the waste processing potential and determine a proper waste management needed for tourism areas. Methodology and results: The primary data collection methods including field observations for existing waste separation, sampling of waste generation and composition at source, interviews with the facility’s management and characteristics of certain types of waste. Meanwhile, secondary data of waste generation and composition for hotels and the mall is acquired from waste collection services in Nusa Dua and previous studies for typical facilities. Nusa Dua produces around 11 tons of waste per day with hotels being the highest contributor of waste compared to other tourism facilities. The waste produced in Nusa Dua comprises around 70% of organic waste including food and yard waste and the remaining 30% includes paper, plastic, glass, metal, and other waste. Conclusion, significance and impact study: Aside from maximizing waste processing, Nusa Dua should execute campaigns to support the government’s regulation regarding the ban on styrofoam products, plastic bags, and plastic straws which gradually will reduce the amount of non-recyclable waste produced by the area.

THE USE OF SPENT BLEACHING EARTH (SBE) AS AN ADSORBENT TO REDUCE FREE FATTY ACIDS IN WASTE COOKING OIL Dianindita Rizki Maharani; Ratnaningsih Ruhiyat; Bambang Iswanto; Any Juliani
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

High free fatty acids in waste cooking oil can interfere with the re-use of the cooking oil. Therefore, the absorption technique is one way that can reduce the free fatty acids contained in waste cooking oil. Aim: The purpose of this study is to find out the ability of Reactivated Spent Bleaching Earth (RSBE) to adsorb free fatty acids contained in waste cooking oil to be biodiesel products. In this study, waste cooking oil was collected from fried food sellers in Bekasi, while spent bleaching earth (SBE)-one of the solid wastes produced by refinery oil palm industry as an adsorbent-was from the palm oil industry PT X. For Reactivated Spent Bleaching Earth (RSBE), the redundant used 0.7 M HNO3. To obtain the optimum products, The redundant applied the variation of time (i.e., 30, 45, 60, 75, and 90 minutes) and concentration (6%, 9%, 12%, 15%, and 18%). Methodology and results: Results indicated that the time variation of temperature 90 minutes were the maximum and the concentration of 15% were the optimal combination to reduce free fatty acids 0.65%. Conclusion, significance, and impact of study: The values of water and ash contents of RSBE also meet the quality standard as activated carbon and can be used as an adsorbent for the purification of waste cooking oil. The oil content in SBE is less than 3% and is considered not to be a toxic hazardous waste. Therefore, it can be reused without pre-treatment. In addition, the redundant found that there were changes pore on the surface of the SBE, both activated and not activated. To conclude, SBE can be used as an absorbent to absorb the fatty acids in waste cooking oil.

Cover Vol. 5 No. 2 admin urban
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 2, APRIL 2022
Publisher : Universitas Trisakti

SIMULTANEOUS ELECTROCOAGULATION - PHOTOCATALYTIC SCENARIO TO ENHANCE HYDROGEN PRODUCTION IN LIQUID WASTE TREATMENT: A BRIEF OVERVIEW Reno Pratiwi; Slamet Slamet; Dina Asmaul Chusniyah; Widia Yanti
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 3, OCTOBER 2022
Publisher : Universitas Trisakti

The issue of environment and sustainable energy are two issues that have not been completely resolved until today. Liquid waste treatment technology, which can remove pollutants and produce hydrogen gas, is interesting to study since hydrogen itself is one of the energy sources whose use has begun to be developed. Aim: The following article will discuss several aspects that can be developed in each technology. Methodology and Results: Electrocoagulation and photocatalyst are both technologies which are possible to eliminate liquid pollutants while producing hydrogen in a single process. Research that attempts to combine two processes to improve the ability to treat pollutants in wastewater while producing hydrogen has been carried out. The optimization process can be carried out respectively in terms of electrocoagulation and photocatalytic technology. Modifications can also be made by combining the two processes of electrocoagulation and photocatalysis, either sequentially or simultaneously. Modification process carried out aims to increase hydrogen recovery without neglecting the ability of electrocoagulation and photocatalysis in removing organic waste. Conclusion, significance, and impact of study: This brief review provides an overview of the potential of electrocoagulation and photocatalysis technology in its ability to remove liquid waste while producing hydrogen gas. The opportunity to combine the two processes is also shown based on previous studies. The review is carried out based on an in-depth study of the research that has been done. The simultaneous use of both processes has been shown to provide much better capabilities in terms of removing liquid waste and producing hydrogen gas.

THE INFLUENCE OF ENVIRONMENTAL POLICIES ON SELECTING INVESTMENT LOCATIONS Anita Sitawati; Herika Muhammad Taki; Rezkia Dewi Andajani
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 3, OCTOBER 2022
Publisher : Universitas Trisakti

Globalization causes multinational entrepreneurs to move their business locations across geographical boundaries. The Multinational Entrepreneurs running businesses across geographic boundaries are called Foreign Direct Investment (FDI). One factor that determines the success of FDI is the accurate choice of investment location. Currently, Climate Change plays a significant role in business decisions. Aim: This study aimed to assess the selection of investment locations using the demand-side analysis and environmental policies approach. Methodology and results: The sample was the Electronic and Automotive industry located in the JABABEKA Industrial Estate, Jakarta, Indonesia. The primary data were collected from the respondents' perceptions and processed using the Structural Equation Model (SEM) method. The SEM-PLS results showed that the path coefficient of the relationship between Environmental Regulations and the Investment Locations Choice was 0.314. Therefore, Environmental Regulation significantly affected Investment Locations Choice. Furthermore, the path coefficient of the relationship between Environmental Litigation and the Investment Locations Choice was 0.113, with a P-value > 0.05. This means that Environmental Litigation insignificantly affects the Investment Locations Choice. Conclusion, significance, and impact: Environmental regulations and litigation affect the location selection by investors. Therefore, urban planners should formulate policies for providing better waste and air pollution treatment facilities in each industrial area to increase the attractiveness of Indonesia as a Host Country.

ANALYSIS OF WASTE BANK MANAGEMENT MODEL AROUND LAKE TONDANO TOURISM OBJECT IN SUPPORTING SUSTAINABLE TOURISM DEVELOPMENT Shirly Sussane Lumeno; Felly Ferol Warouw; Djubir Kembuan; Ricky Ratu
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 3, OCTOBER 2022
Publisher : Universitas Trisakti

Unmanaged waste can cause various problems of environmental damage including threatening tourism development. The current waste problem is quite worrying because it can have a direct impact on humans, such as the entry of plastic elements into the human body through fish or food exposed to microplastics. Aim: The waste bank around Lake Tondano tourism object was studied qualitatively with the aim of describing the waste bank management mechanism to be used as a model for developing a waste bank to support sustainable tourism development. Methodogy and Results: The research data was obtained through field research through observations and interviews with waste banks around the Tondano lake tourist attraction, in this case the Mapalus waste bank located in Papakelan Village. Conclusion, significance, and impact study: The results show that the current form of waste bank management on the shores of Lake Tondano is a waste bank that is purely managed by the community. The form of management is to collect waste from the community by first going through a sorting process. After sorting, organic waste is used as fertilizer and inorganic waste is made into valuable products and can be used as souvenirs for tourists. The waste bank program can reduce the increase in waste directly from the source. In addition, the waste bank can produce new products and provide benefits to the community. The waste bank is also a solution in the context of developing tourism on the coast of Lake Tondano.

RHEOLOGICAL STUDY ON THE PARAMETERS AFFECTING THE VISCOSITY OF THE GREEN SOLUTION CONSISTING SLS AND LTTM Shabrina Sri Riswati; Rini Setiati; Suryo Prakoso; Paramita Jaya Ratri; Ardak Yskak; Rayhan Irvan
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 6, NUMBER 1, APRIL 2023
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v6i1.13967

Enhanced Oil Recovery (EOR) is known to effectively improve oil recovery by producing the residual oil saturation in a reservoir. Many chemicals for injected fluid in EOR are synthetic and harmful to the environment. Aims: This study aims to characterize a newly developed green solution consisting of Sodium Lignosulfonate (SLS) and a Low Transition Temperature Mixture (LTTM) for injection agent. Methodology and Results: The concentration of surfactant was defined using weight percentage, which was calculated from the portion of the total weight of LTTM. The characterization was approached by analyzing the behavior of the green solution based on the power law analysis of the rheological measurement. The analyses of value, viscosity, shear rate, and shear stress were carried out. Increasing in viscosity was caused by the additional molecular mass of sucrose in the solution. This study found that the SLS concentration and LTTM ratio affects the rheological behavior of the green solution. Conclusion, significance, and impact study: According to the results, adding the SLS concentration increases the probability of the green solution becoming an EOR agent by showing shear-thinning behavior. Further studies are required to ensure the feasibility of the green solution during the injection period and the propagation in the reservoir.

Page 14 of 32 | Total Record : 313

12 13 14 15 16

Filter by Year

2009 2025

Filter By Issues

All Issue VOLUME 8, NUMBER 2, OCTOBER 2025 VOLUME 8, NUMBER 1, APRIL 2025 VOLUME 7, NUMBER 2, OCTOBER 2024 VOLUME 7, NUMBER 1, APRIL 2024 VOLUME 6, NUMBER 2, OCTOBER 2023 VOLUME 6, NUMBER 1, APRIL 2023 VOLUME 5, NUMBER 3, OCTOBER 2022 VOLUME 5, NUMBER 2, APRIL 2022 VOLUME 5, NUMBER 1, OCTOBER 2021 VOLUME 4, NUMBER 2, APRIL 2021 VOLUME 4, NUMBER 1, OCTOBER 2020 VOLUME 3, NUMBER 2, APRIL 2020 Volume 3, Number 1, October 2019 Volume 2, Number 2, April 2019 Volume 2, Number 1, October 2018 Volume 1, Number 2, April 2018 Volume 1, Number 1, October 2017 Vol. 8 No. 2 (2016) Vol. 8 No. 1 (2016) Vol. 7 No. 2 (2015) Vol. 7 No. 1 (2015) Vol. 6 No. 5 (2014) Vol. 6 No. 4 (2013) Vol. 6 No. 2 (2012) Vol. 6 No. 1 (2012) Vol. 5 No. 6 (2011) Vol. 5 No. 5 (2011) Vol. 5 No. 4 (2010) Vol. 5 No. 3 (2010) Vol. 5 No. 2 (2009) More Issue

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name
Astri Rinanti

Contact Email
astririnanti@trisakti.ac.id

Phone
+6221-5663232

Journal Mail Official
urbanenvirotech@trisakti.ac.id

Editorial Address
Department of Environmental Engineering Faculty of Landscape Architecture and Environmental Technology Universitas Trisakti, Jakarta Gedung K, Kampus A Jl. Kyai Tapa Grogol Jakarta 11440, Indonesia

Location
Kota adm. jakarta barat,

Dki jakarta

INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Astri Rinanti

Contact Email astririnanti@trisakti.ac.id

Phone +6221-5663232

Journal Mail Official urbanenvirotech@trisakti.ac.id

Editorial Address Department of Environmental Engineering Faculty of Landscape Architecture and Environmental Technology Universitas Trisakti, Jakarta Gedung K, Kampus A Jl. Kyai Tapa Grogol Jakarta 11440, Indonesia

Location Kota adm. jakarta barat, Dki jakarta INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Astri Rinanti

Contact Email
astririnanti@trisakti.ac.id

Phone
+6221-5663232

Journal Mail Official
urbanenvirotech@trisakti.ac.id

Editorial Address
Department of Environmental Engineering Faculty of Landscape Architecture and Environmental Technology Universitas Trisakti, Jakarta Gedung K, Kampus A Jl. Kyai Tapa Grogol Jakarta 11440, Indonesia

Location
Kota adm. jakarta barat,

Dki jakarta

INDONESIA