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All Journal International Journal of Public Health Science (IJPHS) MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Reaktor International Journal of Renewable Energy Development Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan JURNAL TEKNOLOGI LINGKUNGAN Jurnal Kesehatan Masyarakat Jurnal Bahan Alam Terbarukan Jurnal Pengembangan Kota Journal of Environmental Engineering and Sustainable Technology The Indonesian Journal of Planning and Development JTERA (Jurnal Teknologi Rekayasa) IJEMS (Indonesian Journal of Environmental Management and Sustainability) International Journal of Community Service Learning Jurnal Sosial Ekonomi Kelautan dan Perikanan Journal of Environmental Science and Sustainable Development Jurnal Teknologi Lingkungan Lahan Basah International Journal of Hydrological and Environmental for Sustainability

Septiariva, Iva Yenis

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Author-ID : 1819009

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

Published : 24 Documents Claim Missing Document

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Energy Conversion of Industrial Wastewater on Microbial Fuel Cell (MFC)-Based with Biocatalysts and Pretreatments: A Review Suryawan, I Wayan Koko; Septiariva, Iva Yenis; Sarwono, Ariyanti
Indonesian Journal of Environmental Management and Sustainability Vol. 4 No. 4 (2020): December
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2020.4.4.102-109

The purpose of this review is to provide current information regarding industrial wastewater treatment with MFC technology with the addition of biocatalysts and pretreatments. Moreover, this review also updates industrial waste treatment technology with MFC technology in Indonesia. Waste could be generated from domestic activities as well as non-domestic activities, such as industries. Industries produce waste with quite high organic content. This organic material is not easily degraded in biological treatment. Wastewater treatment, currently, aims only to meet standards quality and not to reuse. In Indonesia, the reuse processes, one of which is still rarely found in the form of energy. Industries that can process and convert wastewater energy can help the government realize sustainable development in the energy sector. One of the technologies is the Microbial Fuel Cell (MFC). Previous MFC research that had been carried out was limited to laboratory scale with a volume of less than 1 L and, among them, used mixed or artificial waste. MFC processing uses anode in wastewater as a substrate source and generates electrons under anaerobic conditions. Electron formation could be accelerated by adding biocatalysts such as enzymes and specific microorganisms. The processing occurred in an anaerobic anode that could be increased by increasing the substrate's biodegradability value in the waste. The biodegradability value can be increased by pretreatment with ozone or ultrasonic technology. In Indonesia, research on industrial wastewater treatment with MFC as well as biocatalyst and pretreatment is still relatively minimal.

Reactive Black 5 (RB5): Pengolahan Air Limbah Tekstil dengan Adsorbsi Menggunakan Powdered Karbon Aktif Septiariva, Iva Yenis; Suryawan, I Wayan Koko; Sarwono, Ariyanti
Jurnal Teknologi Lingkungan Vol. 22 No. 2 (2021)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

ABSTRAK Umumnya,Â industri tekstil menggunakan berbagai pewarna sintetis yang menghasilkan air limbah yang sangat berwarna. Oleh karenaitu,Â airÂ limbah tekstil ini harus diolah sebelum dibuang ke lingkungan. Penelitian ini bertujuan untuk mengetahui penyisihanÂ warna dengan teknik adsorpsi menggunakan karbon aktif. Metode ini dianggap sebagai teknologi berbiaya rendah dan perawatan yang mudah untuk pengolahan air limbah. Proses adsorpsi batchÂ dilakukan dengan waktu kontak yang berbeda yaitu 5â€“60 menit dan variasi konsentrasi awal yang mengandung Reactive Black 5 (RB-5) sebesar 5 mg/L; 10 mg/L; 15 mg/L; dan 20 mg/L. Azo-Reactive Black-5 adalah material pewarna yang digunakan untuk membuat air limbah artifisial. Hasil penelitian menunjukkan bahwa proses adsorpsi menurunkan kadar konsentrasi warna masing-masing sebesar 86,21%, 85,21%, 84,29%, dan 71,07% selama 60 menit. Peningkatan konsentrasi zat warna dalam air limbah menyebabkan efisiensi penghilangan warna yang rendah. Selain itu, penelitian mengevaluasi efektivitas adsorpsi batchÂ oleh karbon aktif karena efisiensi penghilangan warna dapat mencapai lebih dari 50% setelah waktu kontak 30 menit. Hal ini terlihat pada konsentrasi awal 5 mg/L dan 20 mg/L dengan efisiensi penyisihan sebesar 66,18% dan 53,97%. Kinetika adsorpsi yang sesuai untuk pendekatan pemodelan pada penelitian ini adalah Langmuir isotherm dengan nilai r2Â yang lebih besar dan mendekati nilai 1 yaitu 0,9756.Â Estimasi kapasitas adsorpsi maksimum yang diperoleh dari model sebesar 4,353 mg/g. Kata kunci: Air limbah tekstil, warna, adsorpsi, efisiensi penyisihan Â ABSTRACT Generally, the textile industry uses various synthetic dyes that produced a large amount of highly colored wastewater. This research aims to investigate the color removal by adsorption using powdered activated carbon. This method is considered viable due to cost effective and ease of maintenance for wastewater treatment. The batch adsorption process was carried out at different contact times of 5â€“60 minutes and varied initial dye concentration containing azo-Reactive Black 5 (RB-5) of 5 mg/L; 10 mg/L; 15 mg/L; and 20 mg/L. A synthetic RB-5 was prepared Â as the artificial wastewaterÂ to simulate the actual wastewater.Â The adsorption Â proceeded initially with higher ratesÂ andÂ gradually slowed down until reachedÂ a constant value due to the carbon surface's saturation with increasing contact time.The results showed that, at different initial dye concentration, the adsorption process decreased color concentration for 60 minutesÂ by 86.21%, 85.21%, 84.29%, and 71.07% respectively. The increase of initial dye concentration lowers color removal efficiency. Besides, the effectiveness of adsorption by activated carbon was found more than 50% after 30 minute of contact time. The efficiency removal presented initial concentration of 5 mg/ and 20 mg/L was 66.18% and 53.97%, respectively. Langmuir and Freundlich isotherm were also plotted to assess the kinetics of adsorption. Langmuir isotherm gave the best modelling approach for adsorption kinetics asÂ indicated by higher coefficient of determination (r2) of 0.9756. An estimated maximum adsorption capacity obtained from the model was 4.353 mg/g. Keywords: Textile wastewater, color, adsorption, removal efficiency

Textile Dye Reactive Black 5 (RB5) Bio-Sorption with Moving Bed Biofilm Reactor and Activated Sludge Suryawan, I Wayan Koko; Helmy, Qomarudin; Notodarmojo, Suprihanto; Pratiwi, Riska; Septiariva, Iva Yenis
Indonesian Journal of Environmental Management and Sustainability Vol. 5 No. 2 (2021): June
Publisher : Research Centre of Inorganic Materials and Complexs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2021.5.2.67-71

Reactive Black 5 (RB5) is one of the dyes used in textile industries in Indonesia. However, the high color content can interfere with the condition of water bodies if not treated. This waste treatment process is usually treated with biological treatment processes. Biological processing often used is the MBBR unit and activated sludge. This study aims to determine the RB5 dye’s bio-sorption efficiency using MBBR processing and activated sludge. MBBR processing and activated sludge consist of seeding, acclimatization, and running stages. This research was carried out using a real textile wastewater approach by adding 100 mg/L RB5 and adding 1000 mg/L starch solution. The processing results of the seeding stage indicate increasing in biomass. The acclimatization stage with 50% and 75% of wastewater indicates increased biomass and color removal. The RB5 color removal efficiency results in the MBBR unit and activated sludge show 41% and 84% values. The MBBR processing shows fluctuations each time where the desorption process occurs in the color removal. For this reason, the ozone pre-treatment process is conducted in the MBBR unit. The integrated pre-treatment with MBBR results show the same fluctuation as the previous processing with a color removal efficiency of 43% with a color removal efficiency of 43%.

Potential of Energy Municipal Solid Waste (MSW) to Become Refuse Derived Fuel (RDF) in Bali Province, Indonesia Suryawan, I Wayan Koko; Wijaya, I Made Wahyu; Sari, Novi Kartika; Septiariva, Iva Yenis; Zahra, Nurulbaiti Listyendah
Jurnal Bahan Alam Terbarukan Vol 10, No 1 (2021): June 2021 [Nationally Accredited - SINTA 2]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v10i1.29804

The generation of municipal solid waste (MSW) in Bali has various environmental impacts. One of the updates on sustainable waste processing is the RDF treatment plant processing. Before carrying out the processing, MSW characterization is needed because each region has a diverse composition. The processing of MSW into RDF provides benefits for achieving MSW reduction targets, renewable energy use, and the reduction of greenhouse gas (GHG) emissions. For this reason, this study was conducted to determine the potential of MSW in Bali as an alternative to renewable fuel and its potential to reduce GHG. MSW's potential calorific value as a raw material for RDF in Bali can reach 9.58 - 17.71 MJ/kg. The implementation of processing waste into RDF in pellets has shown a calorific value of Â± 3904 - 4945 kkcal/kg. Implementing MSW processing into RDF in Bali can reduce GHG by 178 - 330 times compared to open dumping.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v10i1.29804

The generation of municipal solid waste (MSW) in Bali has various environmental impacts. One of the updates on sustainable waste processing is the RDF treatment plant processing. Before carrying out the processing, MSW characterization is needed because each region has a diverse composition. The processing of MSW into RDF provides benefits for achieving MSW reduction targets, renewable energy use, and the reduction of greenhouse gas (GHG) emissions. For this reason, this study was conducted to determine the potential of MSW in Bali as an alternative to renewable fuel and its potential to reduce GHG. MSW's potential calorific value as a raw material for RDF in Bali can reach 9.58 - 17.71 MJ/kg. The implementation of processing waste into RDF in pellets has shown a calorific value of ± 3904 - 4945 kkcal/kg. Implementing MSW processing into RDF in Bali can reduce GHG by 178 - 330 times compared to open dumping.

Substitution Garden and Polyethylene Terephthalate (PET) Plastic Waste as Refused Derived Fuel (RDF) Zahra, Nurulbaiti Listyendah; Septiariva, Iva Yenis; Sarwono, Ariyanti; Qonitan, Fatimah Dinan; Sari, Mega Mutiara; Gaina, Pratiwi Claudia; Ummatin, Kuntum Khoiro; Arifianti, Qurrotin Ayunina Maulida Okta; Faria, Niswatun; Lim, Jun-Wei; Suhardono, Sapta; Suryawan, I Wayan Koko
International Journal of Renewable Energy Development Vol 11, No 2 (2022): May 2022
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2022.44328

The generation of polyethylene terephthalate (PET) plastic and garden waste must be recycled to support the circular economy. An alternative way to reduce the plastics waste is to reduce this waste by converting it into energy such as Refused Derived Fuel (RDF) as an alternative for processing waste. Substitution of plastic and garden waste is an opportunity to be analyzed. Hence, This study aimed to investigate the potential for converting material substitution from PET and garden waste into RDF. The RDF characterized test method was carried out by proximate, water content, ash content, and analysis. At the same time, the calorific value. was tested by bomb calorimetry. Substitution of the mixture of plastic and garden waste affects each parameter of RDF pellet quality including water, ash, and caloric value (sig.< 0.05). The increase of plastic waste in pellets consistently increases the calorific value of RDF from 18.94 until 25.04 MJ/kg. The RDF pellet water and ash content also invariably affect the rate of increase in the calorific value of RDF in the multilinearity model (sig.<0.05; R2 is 0.935). The thermal stability of the pellets occurred at a temperature of 5000C decomposition of hemicellulose, cellulose, and lignin in mixed garden waste with plastic in RDF pellets. The decrease in the decomposition of PET into terephthalic acid monomer from the thermal stability of raw materials and waste PET plastic pellets occurs at a temperature of 4500ËšC. This potential finding can be used as a basis for consideration in regions or countries that have the generation of garden waste and plastic, especially the type of PET to be used as an environmentally friendly fuel.

STORAGE AND COLLECTION RIVER DEBRIS PLANNING IN TANGGUL RIVER SURAKARTA CITY, INDONESIA AS SOURCE OF WASTE MANAGEMENT USING THE MULTI-CRITERIA DECISION-MAKING METHOD Sari, Mega Mutiara; Inoue, Takanobu; Nafisah, Aninda Putri; Harryes, Regil Kentaurus; Yokota, Kuriko; Septiariva, Iva Yenis; Suhardono, Sapta; Kato, Shigeru; Notodarmojo, Suprihanto; Suryawan, I Wayan Koko
Journal of Environmental Science and Sustainable Development Vol. 5, No. 1
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

The Tanggul River in Surakarta City is a tributary that empties into the Bengawan Solo River. Domestic activities located on river borders can pollute with the waste generation. Therefore, managing waste sources such as storage and collection is crucial in waste management. This study aims to analyze waste management from river debris storage and collection around the study site. The technique used in this research is direct observation of the study area and performing a decision analysis for alternative processing. Decision support system has one model, namely Multi-Criteria Decision Making for environmental development. The activities for collecting and sorting river debris in the Tanggul River are not yet available. The existing river debros collection used a 7 cm diameter net that has been installed at the sluice gate of the Tanggul River. Considering aspects or criteria in implementing accommodation activities needs to be carried out before determining the best alternative. Therefore, several measures need to be considered in determining the container based on SNI 19-2454-2002 concerning Operational Procedures for Urban Waste Management and Minister of Public Works Regulation Number 3 of 2013. The collection activity in alternative 1 uses the Brute Boom system: Heavy Duty Containment Boom equipped with a galvanized weir mesh net attached under the boom. The collection activity in alternative 2 uses a floating cube. The floating cube is a cube-shaped Waste holder that can float in the river to effectively hold waste floating on the surface of the river body. It is imperative to prevent river pollution from activities by providing infrastructure for storing and collecting waste. However, it does not have a more significant impact, such as the Tanggul River to the Bengawan Solo River in Surakarta City.

Pioneering Conservation Efforts with Crowdfunding Scheme for the Sumatran Tiger Conflict Suhardono, Sapta; Mulyana, Rachmat; Prayogo, Wisnu; Suryawan, I Wayan Koko; Septiariva, Iva Yenis
Jurnal Manajemen Hutan Tropika Vol. 30 No. 2 (2024)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.30.2.190

Human-wildlife conflicts present significant challenges in conservation efforts. This study delves into the effectiveness of crowdfunding, intervention mechanisms, and communication initiatives in addressing the human-wildlife conflict, specifically concerning the sumatran tiger. By leveraging data from NGO web platforms, exploratory documentation, national records, and a broad spectrum of literature reviews, we aimed to unravel the nuanced dynamics of these initiatives in the conservation framework. Our findings indicate that while crowdfunding platforms such as the sapu jerat campaign offer innovative fundraising avenues, the harmonized efforts of communication strategies and robust intervention mechanisms create lasting impacts. This study underscores the essence of multifaceted approaches, stressing the value of stakeholder collaborations, including NGOs, local communities, and governmental agencies. Furthermore, this research accentuates the increasing role of digital tools in enhancing conservation efforts, suggesting a paradigm shift in contemporary conservation strategies. Hence, this study offers invaluable insights for conservationists, decision-makers, and NGOs aiming to optimize their strategies in the context of human-wildlife conflicts. At a more detailed level, the intervention mechanisms of the Sumatran Tiger Project demonstrate the importance of adaptive management, inter-agency collaboration, and sustainable financing as key components. This study highlights that the combination of technology, community involvement, strategic planning, and effective storytelling can provide a sustainable future for the sumatran tiger.

Avtur Waste Treatment to Produce Useful Fuel Products based on ASTM Standard Nurhudaeni, Dwi; Sabara, Zakir; Suryanto, Andi; Junisu, Belda Amelia; Septiariva, Iva Yenis; Fanani, Riza Aldiansyah
International Journal of Hydrological and Environmental for Sustainability Vol 1, No 2 (2022): International Journal of Hydrological and Environmental for Sustainability
Publisher : CV FOUNDAE

The many avtur samples that are tested every month has an impact on avtur waste that accumulates in the PT. Pertamina Lubricant PU Jakarta laboratory. Avtur wastes are usually just thrown away without being processed again. This study focuses on the utilization of avtur test results waste by knowing the quality of avtur waste with flash point, distillation, freezing point, density and color test parameters. The aims of this research are to solve the problem of waste from avtur testing results by reusing avtur waste to become a product so as to reduce the occurrence of losses. The first step is to prepare a sample of waste from avtur test results and then perform tests on the flash point, distillation, freezing point, density and color test parameters. After that, avtur waste was formulated: avtur ASTM standard T.107 with variations in the formulation, namely 5% LA : A, 10% LA : A, 15% LA : A and 20% LA : A. After that, the mixing process was carried out for 15 minutes using a stirrer motor with a speed of 300 rpm (rotations per minute). Then flash point, distillation, freezing point, density and color tests were carried out to get results that match the specifications of the avtur. The results showed that the formulation of the avtur test results: avtur according to American Standard Testing and Material (ASTM) standard had met the avtur specifications. Where the best formulation was found in 10% avtur waste formulation with test value of color : 25, density : 802.4 Kg/m3, flash point : 42.5 oC, freezing point : -55.0 oC and distillation (IBP : 156.0 oC, 10 % : 172.0 oC, 50% : 194.0 oC , 90% : 225.0 oC, End Point : 257.0 oC. Based on the results of the formulation testing that has been carried out, the avtur test results formulated with ASTM standard for avtur have met the company's quality standards.

Challenges and Opportunities in Developing Sustainable Tourism in Nusa Penida, Indonesia: A Narrative Review of Direct Community Behavior Suhardono, Sapta; Sianipar, Imelda Masni Juniaty; Suryawan, I Wayan Koko; Septiariva, Iva Yenis; Prayogo, Wisnu
Jurnal Sosial Ekonomi Kelautan dan Perikanan Vol 19, No 1 (2024): Juni 2024
Publisher : Balai Besar Riset Sosial Eonomi Kelautan dan Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jsekp.v19i1.12668

This narrative review aims to evaluate the current situation and challenges of developing sustainable tourism in Nusa Penida, Indonesia, with a focus on direct community behavior. Nusa Penida is a small island located southeast of Bali and is known for its natural beauty and biodiversity. The tourism industry has been growing rapidly in recent years, but it has also brought negative impacts on the environment and the local community. This review examines various studies and reports on the development of sustainable tourism in Nusa Penida and the factors that affect the behavior of local communities, tourists, and tourism stakeholders. The review identifies several challenges to developing sustainable tourism in Nusa Penida, including inadequate infrastructure, limited financial resources, and a lack of effective policies and regulations. The review also highlights the importance of community involvement and empowerment in the sustainable tourism development process. The review suggests that sustainable tourism development in Nusa Penida requires a holistic approach that considers the economic, social, and environmental aspects of tourism. The review further discusses the role of education and awareness-raising in promoting sustainable tourism behavior among local communities, tourists, and tourism stakeholders.

Co-Authors Al Ghifari, Rizal Muhammad Andi Suryanto Ani Purwanti Arifianti, Qurrotin Ayunina Maulida Okta Azizah, Rifka Noor Belda Amelia Junisu, Belda Amelia Delu, Kevin Foggy Dion Awfa Fanani, Riza Aldiansyah Faria, Niswatun Fitria, Laili Gaina, Pratiwi Claudia Hafizh, Haidar Harryes, Regil Kentaurus I Made Wahyu Wijaya Ikhwali, Muhammad Faisi Imami, Ahmad Daudsyah Imelda Masni Juniaty Sianipar Imroatus Sholikhah, Imroatus Istiqomah Shariati Zamani Kasamira, Kesya Ivana Kato, Shigeru Kuriko Yokota Kusuma, Antonio Lim, Jun-Wei Luh Putu Ratna Sundari Marsono, Muhammad Ridho Mubaroq, Ahmad Zakhi Muklis Muklis Mutiara Sari, Mega Nafisah, Aninda Putri Nastiti, Almira Davina Notodarmodjo, Suprihanto Mediawan Novi Kartika Sari Novrianty, Irma Nur Novilina Arifianingsih Nurhudaeni, Dwi Nurulbaiti Listyendah Zahra, Nurulbaiti Listyendah Panjaitan, Nahesson Hotmarama Prayogo, Wisnu Purnawan Purnawan Qomarudin Helmy Qomarudin Helmy, Qomarudin Rachmat Mulyana Ridhosari, Betanti Riska Pratiwi Sabara, Zakir Sari, Mega Mutiara Sarwono, Ariyanti Sofiyah, Evi Siti Sri Sunarsih Suhardono, Sapta Suhardono, Sapta Cahya Suprihanto Notodarmojo Suryawan, I Wayan Koko Takanobu Inoue Tehupeiory, Aarce Ulhasanah, Nova Ummatin, Kuntum Khoiro

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