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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
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INDONESIA
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY
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
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COMMUNITY GARDENING AND THE CAPACITY TO ENRICH SOCIAL BONDING IN URBAN NEIGHBOURHOODS Mohd Sharif, Shahida; Ujang, Norsidah
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 2, APRIL 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i2.7754

Abstract

Aim: The aim of this concept paper is to identify a conceptual framework to investigate the level of social bonding/social attachment amongst participants of community gardening activity. It is estimated that more than 50% of the population would be living in urban areas by 2050. One of the drivers is the urban migration, where people are relocating themselves to new neighbourhoods, cities or countries often with the hope of better economic opportunities and social infrastructure, therefore changing the landscape of the new society and the place they reside. It is worrying as these people might not receive enough social support due to their limited social network. It could further escalate to social well-being problems such as individualism and social isolation and could later manifest mentally or psychologically as loneliness. Methodology and Results: This paper argues that the selection of the type of urban green spaces to be integrated into urban neighbourhoods is critical in addressing the well-being problems. Community gardens, as part of urban green spaces, offer meaningful social interaction opportunities, often being missed in the context of modern societies and urban lifestyle. Therefore, there is a need to review the effects of community gardening activities as an intervention strategy to strengthen the degree of social bonding to identify its capacity in integrating isolated people back into community life. Conclusion, significance and impact study: As a conclusion, urban designers and policymakers are suggested to adopt community gardens as a safe open space in cities to encourage more people-people-places interaction.
DECOLORIZATION OF DISTILLERY EFFLUENT WASTE BY MICROBIAL CONSORTIUM Singh, Gauri; Singh, Ashok Kumar
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 1, OCTOBER 2020
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i1.8000

Abstract

Aim: The effluent discharged from sugarcane molasses based distilleries causes environmental pollution due to its large volume and dark brown colour. The effluents also acifidys soils and causes harmful effects on agriculture crops. The objective of this work was the decolourization of molasses waste water from Doiwala sugar industry, Dehradun was done using different microbial consortiums. Methodology and Results: The microbial strains used in this study were obtained from IMTECH, Chandigarh. They were designated as A is E. coli, B is Pseudomonas aeruginosa, C is Staphylococcus aureus, D is Serritia odoriferae, E is Proteus vulgaris and F is Candida albicans. A total of six combinations were prepared using these strains i.e A+B, C+D, E+F, A+B+C, D+E+F and A+B+C+D+E+F. These consortiums were subjected to decolorization experiment of molasses waste water from Doiwala Sugar Factory, Dehradun, India at regular time interval by measuring the optical density. It was observed that at 7th day incubation in each case all consortiums showed maximum decolorization after which the percentage of decolorization was stable. It was also observed that the bacterial consortiums showed higher decolorization than the mixture of bacteria and fungi. Consortium C+D showed highest decolorization i.e. 89%. Conclusion, significance and impact study: it is recommended that industry should work with this consortium for decolorization of molasses containing wastewater to solve this environmental problem. 
THE EFFECT OF HARMFUL AND FAVORABLE GAS AND CHEMICAL CONTENT EMITTED BY MUD VOLCANO TO ENVIRONMENT Burhannudinnur, Muhammad; Nugraheni, Rosmalia Dita; Rinanti, Astri
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 1, OCTOBER 2020
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i1.8001

Abstract

The recent eruption of Kesongo mud volcano (MV) that occurred in 28August 2020 in Blora, Central Java was a common natural phenomenon.MV eruption occurred periodically depending on the recharge fluid systemthat interconnected to a geothermal system and hydrocarbon reservoir.During the eruption, methane and CO2 gas were emitted to theatmosphere together with rocks, muds and fluids flowing from the fractureand fault system of MV. The extruded materials could be harmful andbeneficial for the affected ecosystem. Aims: This study aimed to addressthe potential impact of the extruded mud volcano materials to theenvironment. Methodology and Results: An attempt was carried out byinvestigating gas and fluid content of every mud volcano morphology in theselected 11 areas of Kradenan, Central Java and Sidoarjo, East Java. The pristine fluids and gas of MV were sampled for chemical and toxiccompound observation. Gas composition and type was observed using gaschromatography. The result shows that methane gas content ranges from0.06 to 67.6 mol%., while the CO2 content ranges from 0.21 to 79.9 mol%.Methane gas exhibits thermogenic gas that associated with hydrocarbongeneration. Conclusion, significance and impact study: The chemicalcompound of fluids indicates high Boron (B) content above 0.5 ppm whichhas harmful effect for crops and human health, but some compounds ofCa, Na, K, Mg present as essential elements for soil nutrient. According tothe methane flux and chemical compound emitted by mud volcano, thisstudy contributes to a management practice to restore and conserve the global ecosystem.
ANALYSIS OF SUSTAINABLE WATER RESOURCES MANAGEMENT BASED ON THE POTENTIAL WATER AVAILABILITY IN THE SEMI-ARID AREA OF KUPANG, INDONESIA Koan, Marlin A; Messakh, Jakobis Johanis; P, Soetedjo IN
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 1, OCTOBER 2020
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i1.8003

Abstract

Aims: This study discusses water resources management based on water discharge potential of the Oebobo-Liliba watershed in Kupang City, East Nusa Tenggara, Indonesia. Methodology and Results: River water discharge was analyzed based on hydrological data of a span of 10-years. Average rainfall was calculated using the arithmetic mean method, and potential evapotranspiration (ETo) was calculated through Penman Modification with CROPWAT 8.0. The discharge analysis was conducted through a Mock method. Change in land cover was rendered using related land maps from year 2008 and 2018. Management of agricultural land was discussed through a descriptive analysis. The results showed an average monthly discharge of 0.667 m3/sec. The need for clean water is rendered to be 170 liters/person/day, and the discharge requirement of 90% = 281 liters/sec is concluded to be able to meet the community's clean water needs which amounts to 142,569 people. The total area of paddy fields is 5.38 Ha with water requirements of 1.5 liter/sec/ha, where 80% or 348 Liter/sec can be used to irrigate 232 hectares of paddy. Further results show that land cover in dryland forests decreased from 15% to 10%, settlements increased from 20% to 49%, and shrubs diminished from 20% to 0%. Conclusion, significance and impact study: The minimum debit trend shows a declining trend, while the maximum discharge trend shows an inclining trend. This research concludes that water discharge is adequate to meet community needs yet requires proper water resources management strategy from upstream to downstream of the watershed.
COMPARATIVE STUDY OF ELECTROLYSIS-ENHANCED ANAEROBIC DIGESTION OF THREE SOLUBLE SOLID WASTES FOR BIOGAS PRODUCTION A, Adewumi; H, Lasisi K; K, Akinmusere O; O, Ojo A; O, Babatola J
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 1, OCTOBER 2020
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i1.8004

Abstract

Aim: A comparative study of biogas production from three soluble solid wastes was conducted under anaerobic conditions by subjecting each waste to both conventional and electrolyzed digesters. Methodology and Results: Varying weight of each of the waste was mixed thoroughly with water and fed into five digesters. Three of these digesters were electrolytically-enhanced while the other two were not. The digestion of each of the wastes was monitored for 40 days at an ambient temperature ranging from 24 to 35oC. In all the digesters, biogas production started on the day 2, and attained maximum value on day 14 to17. Biogas production ended on the day 34 and 35 in digester 1a, 1b, 2a and 2b with production ending earliest in digester 3 containing wastewater on day 19. The highest biogas was produced in digester 2b containing electrolyzed digester loaded with poultry droppings) with a cumulative volume percentage of 91.41 as compared to its conventional state with a cumulative volume percentage of 85.19 and both states of the cow dung waste with cumulative volume percentages of 77.26 and 71.64 respectively. The least production occurred in digester 3 with a cumulative volume percentage of 4.59. Conclusion, significance and impact study: It is therefore concluded that poultry droppings has the greatest potentials for the generation of biogas as compared to cow dung in conventional and electrolyzed state and wastewater.
PRIVATIZATION OF SOLID WASTE MANAGEMENT: OPPORTUNITIES AND CHALLENGES Bah, Yahya Muhammed; Artaria, Myrtati Dyah
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 2, APRIL 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i2.8219

Abstract

Aim: The fundamental rationale for a systematic literature review is to examine opportunities and challenges in the privatization of solid waste management, and share knowledge to spark and inspire a process that will usher in public private partnership to ensure cities are kept clean for habitability. Methodology and Results: A systematic review of the literature using information obtained from different sources was performed. The Google Search Engine was used to search for these articles. During the search numerous combinations of words and phrases were used to ensure articles reflect the most recent knowledge and scholarly works. Only peer-reviewed articles published after 2000 were selected, except extracts perceived to be of fundamental mileage to the study. However, articles published by staunch international organizations working in privatization of solid waste management for years which had produced indefatigable knowledge in the field were stealthily appraised. The privatization of solid waste management has resulted in some successes which include, but not restricted to: effectiveness, cost saving, timely service delivery, access to funding and expansion, quality services, partnership and community participation, cleanliness and healthy environment, jobs creation and better income, elimination of public monopoly and promotion of competition, new technologies and innovative techniques, public sector concentration on supervision, resources conservation and protection from risks; less bureaucracy and prompt action regarding concerns and complaints. Conclusion, significance and impact of study: With a well-thought model and proper public supervision, the privatization of solid of waste management can deliver habitable cities, though not without negative impacts and obstacles.
THE PRESERVATION OF RIVERBANK SETTLEMENT AS A TOURISM POTENTIAL IN THE CITY OF PALEMBANG, SOUTH SUMATERA Oktarini, Maya Fitri; Johannes, Adiyanto; Prima, Listen
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 2, APRIL 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i2.8305

Abstract

Aim: This study examines the current living culture of riverbank residents by observing the choice of factual house and the house preferences. A house is the physical characteristic of cultural products indicating the current living culture. The riverbank settlements are part of the historical development of the city of Palembang. Methodology and Results: This research focuses on the physical form of residential buildings from the perspective of socio-cultural preservation. Restoring the characteristics of the riverbank area is a necessary potential. The design process can be directed toward technical innovation, social aspect and the use of materials that correspond to the features of the area. Furthermore, the cultural ecological interaction has created a living culture in the riverbank. This is evident in the constructed houses of residents with structure, technology, and material conforming to the fluctuating conditions of the ecosystem. The settlement’s characteristics generate an image of a river city, which have also become a tourist attraction in Palembang. However, the living culture has changed due to the innovation in building technology, the shift in the focus of development, and the availability of natural resources which diminish these features. Conclusion, significance and impact of study: This will encourage tourists to visit the developed areas with a preservation approach, integrating new cultural living with the conservation of the river city features for tourism interest. Furthermore, the preservation of tourism activities are not only unchanged, but also an adaptation flexibility to continuously look for new forms for the symbiosis between man and nature.
COMPARATIVE ANALYSIS OF WATERSHED CHARACTERISTICS IN BALI PROVINCE FOR SUSTAINABLE WATER RESOURCES MANAGEMENT Eryani, I Gusti Agung Putu; Manan, Abd Muluk Abd; Jayantari, Made Widya
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 2, APRIL 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i2.8862

Abstract

Aims: This research will provide an overview of the comparative analysis of watershed characteristics in Bali which are differentiated from watersheds flowing to the north, and watersheds flowing to the south of Bali Province. The aim is to determine the characteristics of each, and proper sustainable management for each watershed. Methodology and Results: This is a descriptive, quantitative research that analyzes and compares the characteristics of the Saba watershed and Unda watershed, where the characteristics analyzed are morphometric and hydrological.  From the analysis, it was observed that the Unda watershed, which has a flow direction to the south of the island of Bali, and the Saba watershed, flowing to the north of the island of Bali, possess several differences and similarities. The similarities include rainfall patterns, high temperatures, and the comparison values between Qmax and Qmin is significant. Meanwhile, the differences include the Saba watershed slope being steeper than the Unda watershed, and the Saba has young geomorphic features, while the Unda watershed possesses advanced geomorphic features. Conclusion, significance, and impact of study: Differences in watershed characteristics lead to differences in the management carried out. Furthermore, in terms of hydrology, where there are lesser differences, the sustainable management of the Saba and Unda Watershed also require conservation in form of a reservoir (weir or dam). This is to enable the storage of water in the rainy period for the dry season. 
THE PERFORMANCE EFFECTS OF SOLID WASTE FROM BAGASSE ON INCREASED OIL RECOVERY Setiati, Rini; Kasmungin, S; Riswati, Sabrina S; Rinanti, Astri; Satriabudi, Jochanan
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 4, NUMBER 2, APRIL 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v4i2.9195

Abstract

Aims: This study aims to determine the synthesis of bagasse to form surfactants and evaluation of the performance of the sample to increase oil yield. Indonesia generates very large amounts of solid waste, without recycling or adequate management efforts to preserve the environment. Bagasse emerged as one of the most abundant biomass due to the operations of large plantations and factories. Furthermore, previous studies showed extensive uses in the fields of compost, animal feed, bioethanol energy, paper, and reinforced building materials. Methodology and Results: Lignin was extracted from bagasse to process sodium lignosulfonate surfactant (SLS surfactant). The synthesis was characterized several times, and certain examples showed significant HLB values, as a function of emulsion builder. This condition in the oil reservoir is required to reduce interface stress (IFT) and friction in the movement of particles. Another analyses involves the assessment of core flooding of specific synthetic core and crude samples. Conclusion, significance and impact of study: The results confirm the ability of surfactant bagasse to increase oil recovery, namely the HLB value of 11.6. The results also show the surfactant classification with the ability to form a middle-phase emulsion in order to increase petroleum products. Therefore, bagasse as solid waste has a performance effect on the process of increasing petroleum production.
HYBRID ANAEROBIC BAFFLED REACTOR FOR REMOVAL OF BOD AND PHOSPHATE CONCENTRATION IN DOMESTIC WASTEWATER Sugito, Sugito; Ratnawati, Rhenny; Afiafani, Herlina
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 1, OCTOBER 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v5i1.10571

Abstract

Hybrid Anaerobic Baffled Reactor (HABR) is a development technology from the Anaerobic Baffled Reactor (ABR), which was already known as a technology that is successful in treating domestic waste. Aims: The objectives of these studies were to investigate the efficiency of reducing BOD and phosphate levels in HABR with zeolite (ZE) and activated carbon (AC) media. Methodology and Results: HABR reactor made of acrylic material with a size of 90 cm x 20 cm x 30 cm. The reactor designed has 7 compartments, with details the first 5 compartments are suspended growth microorganism reactors and the next 2 compartments are attached growth microorganism reactors. Conclusion, significance, and impact of study: The result of the research showed that the efficiency of reducing BOD concentration in the reactor with ZE and AC media were 59.30% and 65.12%, respectively. The final BOD concentration in the AC reactor is 30 mg/L, this value meets the domestic wastewater quality standard required by East Java Governor Regulation Number 72 of 2013 concerning Wastewater Quality Standards for Industry and/or Other Business Activities. The final BOD concentration in the ZE reactor exceeded the required quality standard with a value of 35 mg/L. The final phosphate levels of the two reactors meet the wastewater quality standards for business and/or laundry activities with a maximum phosphate concentration of 10 mg/L. The final phosphate levels in the ZE and AC reactors were 3.74 mg/L and 8.79 mg/L, respectively. The efficiency of phosphate removal in ZE and AC reactors were 70.58% and 30.87%, respectively.

Page 22 of 32 | Total Record : 313

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