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Correction to: Contaminants of emerging concerns (CECs) in a municipal wastewater treatment plant in Indonesia

Environmental science and pollution research international 2023年第8期30卷 21533-21534页

作者： Maryani Paramita Astuti Suprihanto Notodarmojo Cindy Rianti Priadi Lokesh P Padhye Department of Civil and Environmental Engineering The University of Auckland Auckland New Zealand. Environmental Engineering Study Program Faculty of Engineering President University Cikarang Indonesia. Environmental Engineering Department Faculty of Civil and Environmental Engineering Bandung Institute of Technology (ITB) Bandung Indonesia. Environmental Engineering Study Program Civil Engineering Department Engineering Faculty University of Indonesia (UI) Depok Indonesia. Department of Civil and Environmental Engineering The University of Auckland Auckland New Zealand. l.padhye@auckland.ac.nz.

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Trajectory Analysis of Inter-Island Logistics Transportation for Aggregate Material Using Web-Based Information 2

Trajectory Analysis of Inter-Island Logistics Transportation...

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2nd International Conference on Technology Innovation and Its Applications, ICTIIA 2024

作者： Suraji, Aji Ishak, Syarifuddin Prabowo, Prabowo Fatkhurrozi, Muhammad Alawy, Gholiqul Amrodh Putra, Rangga Pahlevi University of Widyagama Malang Dept. of Civil Engineering Malang City Indonesia Malang State University Study Program of D4 Eng. Tech and Civil Building Maintenance Malang City Indonesia Institut Teknologi Sumatera Dept. of Ocean Engineering Lampung Selatan Regency Indonesia University of Widyagama Malang Dept. of Informatics Engineering Malang City Indonesia

ISBN: (纸本)9798350351613

Transportation of material aggregates over long distances and between islands requires a long time by changing modes of transportation. Therefore, determining a material aggregate travel trajectory model using a web database is something that can help in logistics movement analysis. This study aims to create a web-based material aggregate transportation trajectory model. The data collection method involves extracting data with Google Maps which shows distance and time indications. Next, validation is carried out in the field with a direct survey at the location. The analytical method uses statistical methods to create modeling using a linear regression model approach and statistical tests using anova. The results of the study show that the linear regression model is simple with an independent variable coefficient of 0.0306 and an R-square of 0.8649. Meanwhile, using the ANOVA test, it was stated that the modeling results were quite significant and the model could be used to make predictions. © 2024 IEEE.

关键词： aggregate material logistics trajectory transportation web-based information

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Echoes of Tradition: Virtual-Reality Media in Improving Spatial Space Experience 3D Virtual Tour of Kampung Adat Pulo Garut, West Java, Indonesia

Echoes of Tradition: Virtual-Reality Media in Improving Spat...

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STEM Education Conference (iSTEM-Ed), International

作者： M.F. Rahman A.Y. Permana I Susanti J. Akbardin K. Wijaya S. Handayani Architecture Study Program Faculty of Technology and Vocational Education Universitas Pendidikan Indonesia Bandung Indonesia Civil Engineering Study Program Faculty of Technology and Vocational Education Universitas Pendidikan Indonesia Bandung Indonesia Architecture Study Program Faculty of Civil Engineering and Planning Universitas Kebangsaan Republik Indonesia Indonesia Bandung Indonesia Agro-industrial Education Study Program Faculty of Technology and Vocational Education Universitas Pendidikan Indonesia Bandung Indonesia

ISBN: (数字)9798350365979

ISBN: (纸本)9798350365986

In the current digital era, virtual reality (VR) technology is rapidly expanding across various fields, including education and cultural preservation. This technology offers immersive opportunities to explore and experience architectural spaces, promising increased understanding and learning motivation. Despite being relatively new in Indonesia, the application of VR has shown significant potential for education and cultural preservation through the implementation of a 3D virtual tour in Kampung Adat Pulo Garut. Therefore, this research aimed to develop VR media to enhance users' spatial experience and preserve the cultural values of Kampung Adat Pulo Garut through interactive learning. The method used was Research and Development (R&D) through the Multimedia Development Life Cycle (MDLC) model. The equipment used was LiDAR Scanner FJD Trion P1 Series, DJI Mavic Air 2S Drone, and Sony A6000 Camera. The method used included aerial and terrestrial mapping, 3D modeling, and the development of virtual environments through Unreal Engine. The developmental process included various stages, namely concept, design, material collection, compilation, testing, and distribution. The result showed an interactive 3D virtual tour of Kampung Adat Pulo Garut, called “Echoes of Tradition.” Unreal Engine was found to enable detailed visualization of traditional architecture and village environments with high accuracy and interactivity. The final product offered an immersive learning experience, enriching users' experience, and enabling digital preservation of cultural heritage. The next step, to get an overview of the research results, used a questionnaire as an instrument which was distributed to a total of 250 respondents. Furthermore, the potential implication of VR in education and cultural preservation was identified, guiding similar applications in the future. By improving accessibility and engagement in spatial and cultural learning, VR offered new avenues in education and cultu

关键词： Visualization Three-dimensional displays Education Virtual environments Media User experience Cultural differences

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Application of Microbially Induced Calcite Precipitation for Slope Stabilization: A Review 7th

Application of Microbially Induced Calcite Precipitation for...

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7th International Conference on Architecture and civil engineering, ICACE 2023

作者： Farichah, Himatul Hutama, Dio Alif Firmansyah, Yerry Kahaditu Department of Civil Engineering Faculty of Engineering Universitas Pembangunan Nasional "Veteran" Jawa Timur Jalan Rungkut Madya No. 1 Surabaya60294 Indonesia Study Program of Environmental Engineering Department of Biology Faculty of Science and Technology Universitas Airlangga Jalan Dr. Ir. H. Soekarno Surabaya60115 Indonesia

ISBN: (纸本)9789819707508

Microbially induced calcite precipitation (MICP) is an emerging geotechnical improvement technology that has received wide attention from researchers around the world. The applications of MICP in geotechnical field including soil improvement, surface resistance from erosion, coastal protection, and slope stabilization have been investigated by previous researchers. This paper presents a review on application of MICP for slope stabilization. Three subtopics were selected to be discussed: application of native bacteria, modified MICP methods, and field-scale studies. This review reveals that (1) MICP has the potential for slope stabilization;(2) native bacteria are ideal for use in MICP for application in slopes located in regions with variable cold climatic conditions;(3) to improve the effectiveness of MICP for slope stability, traditional MICP needs be modified;(4) MICP appears to have the potential to be one of the future landslide mitigation strategies since it works effectively in the field-scale test. Additionally, the recommended further researches in MICP for slope stabilization are: (1) study on the other types of native bacteria for diverse environmental condition is required;(2) to discover the best slope stabilization method, the combination of MICP and other traditional slope stabilization techniques should be investigated;(3) it is critical to investigate the effectiveness of the MICP technology for slope stabilization under various conditions in the field. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Slope stability

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Biodegradation of Diethyl Phthalate (Dep) Using Fungi Isolated from Leachate of Sarimukti Landfill, Bandung

SSRN

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SSRN 2024年

作者： Sembiring, dan Emenda Keiva Mulyana, Suci Study Program of Environmental Engineering Faculty of Civil and Environmental Engineering Bandung Institute of Technology Ganesha Street Number 10 Bandung 40132 India

Phthalate as plasticizer is commonly used in plastics industries. Phthalate compounds that are commonly found in everyday life are diethyl phthalate (DEP). This compound is dangerous because it is carcinogenic, xenoestrogenic and has endocrine disrupting effects. The accumulation of plastic in landfill causes this compound to be identified in leachate range from ND- 33 mg/l. one of active landfill in Bandung shows concentration of DEP 1.277 mg/L- 2.4 mg/l. Biological treatment was investigated for DEP removal. The treatment involves the degradation of DEP using fungi isolated from leachate samples. Degradation tests were carried out at varying concentrations of 2 mg/l, 4 mg/l, 6 mg/l, 8 mg/l and 10 mg/l as a carbon source for fungi growth. Duration of analysis is 15 days or until fungi decay phase achieved. High Performance Liquid Chromatography analysis shows that DEP removal efficiency reached 98-99% in each concentration variation on day 9 with a specific fungal growth rate of 0.0531-0.111/day © 2024, The Authors. All rights reserved.

关键词： High performance liquid chromatography

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Prediction of Leachate Generation in a Landfill Using Artificial Neural Networks

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Journal of Environmental Science and engineering(B) 2012年第11期1卷 1233-1238页

作者： Samin Tohru Furuichi Kiasei Ishhi Enri Damanhuri Suprihanto Notodarmodjo Kuntjoro Adji Sidarta Department of Civil Engineering University of Muhammadiyah Malang East Java 062-65144 Indonesia School of Engineering Hokkaido University Sapporo 060-8628 Japan Study Program of Environmental Engineering lnstitut Teknologi Bandung West Java 062-40116 Indonesia Study Program of Mathematic Institut Teknologi Bandung West Java 062-40116 Indonesia

One of the problems encountered in the operation of a leachate treatment in a landfill is the quantity of the fluctuating leachate. Therefore, information on the precise prediction about the quantity of leachate produced in a landfill is required. This information can be obtained by using an ANN （artificial neural networks） model. In this study, a prediction on a leachate generation for a period of 15 days was made. The input for the ANN model consists of data such as rainfall, temperature, humidity, duration of solar radiation, and the landfill characteristics, while the output is the leachate landfills production in Minamiashigara, Japan. The ANN algorithm uses a BP （back propagation） with LM （Levenberg-Marquadrt） training type. By using the input-output data pairs, the training of ANN model was conducted in order to obtain the values of the weights that describe the relationship between the input-output data. Furthermore, with the trained ANN model, the prediction of leachate generation for a period of 15 days was made. The study result shows that the prediction accuracy ofleachate generation of ANN-C model, with a correlation coefficient （r） of 0.924, is quite good. Thus, the prediction of leachate generation using artificial neural network model can be recommended for predicting leachate generation in the future. In this study, a prediction on a leachate generation for a period of 15 days was made. The quantity of leachate generation in a landfill can be obtained by using ANN for future periods. By entering data for future periods （t ＋1） in ANN models, the leachate generation for the period （t ＋1） can be predicted.

关键词： Artificial neural network back-propagation leachate neurons landfills.

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Mapping Pattlerns of Cracking and Moisture Migration in Early Brickwork and Replicating Shell Lime Mortar

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MRS Online Proceedings Library 2011年第1期352卷 333-340页

作者： Gregory Clancey Michael Stetson Robert Henry John Leeke Program in the History and Social Study of Science and Technology Massachusetts Institute of Technology Waltham USA Department of Civil Engineering University of New Hampshire Durham USA Sanford USA

This paper reports three aspects of an ongoing building archeology project at the MacPheadris-Warner House (ca. 1716–23) in Portsmouth, N.H., U.S.A. One is the use of a portable moisture meter to map rising damp levels and areas of water infiltration through brickwork. The second is the mapping of crack patterns and other defects on exterior elevations. We will also refer to a second site, the Juliette Gordon Low House in Savannah, Georgia, in discussing the problem of crack mapping. The third project is an ongoing attempt to replicate a shell lime mortar.

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Removal of total dissolved solids from oil-field-produced water using ceramic adsorbents integrated with reverse osmosis

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Materials Today: Proceedings 2023年 87卷 360-365页

作者： Herawati N. Dahlan M.H. Yusuf M. Iqbal M.M. Roni K.A. Nasir S. Doctoral Engineering Program Faculty of Engineering Universitas Sriwijaya Jl. Srijaya Negara Palembang 30139 Indonesia Chemical Engineering Study Program Faculty of Engineering Universitas Muhammadiyah Palembang Jl. Jend. A. Yani 13 Ulu Plaju Palembang 30137 Indonesia Chemical Engineering Department Faculty of Engineering Universitas Sriwijaya Jl. Raya-Palembang Prabumulih Ogan Ilir 30662 Indonesia Mining Engineering Department Faculty of Engineering Universitas Sriwijaya Jl. Raya-Palembang Prabumulih Ogan Ilir 30662 Indonesia Civil Engineering Department Faculty of Engineering Universitas Sriwijaya Jl. Raya-Palembang Prabumulih Ogan Ilir 30662 Indonesia

Total dissolved solids (TDS) consisting of inorganic salts and organic matter are pollutants to the aquatic and water systems for human use. This paper studied the effect of ceramic adsorbent composition on improving the quality of the produced water (PW) by decreasing TDS before entering reverse osmosis (RO). Manufacturing ceramic adsorbents use a mixture of spent catalysts of residues catalytic cracking (RCC) and natural clay in various compositions. Experiments were performed using the PW from one oil and gas company in South Sumatra, Indonesia. The initial characterization of produced water contains total dissolved solids of 14,556 mg/L. The flow rate of PW into the ceramic adsorbent column were varied from 6 to 8 L/min at a contact time of 15 to 120 min. The results showed that ceramic adsorbent A (diameter 10 mm and thickness 10 mm, 70% clay, and 30% RCC) reduced TDS by 74.58%. Adsorbent B (diameter of 20 mm and thickness of 10 mm, 70% RCC and 30% clay) lowers TDS by 56.68% at a flow rate of 6 L/min and a contact time of 60 min. Adsorbent C (diameter of 10 mm and thickness of 10 mm, 30% clay, and 70% RCC) reduced TDS by 59.40% at a flow rate of 6 L/min and a flow time of 60 min. Adsorbent D (diameter of 20 mm, thickness of 10 mm, 30% clay, and 70% RCC) lowers TDS by 54.38% at a flow rate of 6 L/ min and a contact time of 60 min. After being transferred into the adsorption column, their filtrates were sent into the Reverse Osmosis (RO) membrane. The final permeates of RO have TDS values between 1,720 mg/L to 3,930 mg/L that met water standards for oil and gas exploration wastewater in Indonesia. © 2023 The Authors. All rights reserved.

关键词： Adsorbent Adsorption Catalytic cracking Residues from oil exploration Total dissolved solids

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Design of an Infusion Capacity Monitoring System for Patients Based on the Internet of Things in Hospitals

Design of an Infusion Capacity Monitoring System for Patient...

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International Conference on Business and Industrial Research (ICBIR)

作者： Vina Septiana Windyasari Silvia Ayunda Murad Syahriani Syam Maulia Mahardika Johan Budiman Diah Rahmawati Information Systems Study Program Islamic Syekh-Yusuf University Tangerang Indonesia Information System Department BINUS Online Learning Binus University Jakarta Indonesia Informatics Engineering Study Program Islamic Syekh-Yusuf University Tangerang Indonesia Civil Engineering Study Program Islamic Syekh-Yusuf University Tangerang Indonesia

ISBN: (数字)9798350383027

ISBN: (纸本)9798350383034

The patient's infusion fluid will only be changed if the nurse changes it or based on information from the patient's family. The research method used in terms of fluid volume utilizes the function of the Arduino microcontroller as the brain, the load cell sensor as an infusion fluid weight detector connected to the IoT, fuzzy logic calculations on the infusion volume weight measuring device in line with real-time decision-making when reading gram weight changes with sensors, and the system development method using a prototype model. The test results of three infusion bottles containing mineral water with a liquid volume of 500 ml and a load cell sensor as an infusion weight detector can be accepted by the Arduino Wemos D1 as a load cell sensor processing component. The infusion liquid weight data is uploaded to the MySQL database, and a notification is sent and displayed on the smartphone when the infusion volume reaches 12% of its weight. The results of this study indicate that the design of tools connected to applications on smartphones can work well and facilitate the process of monitoring infusions for patients in real-time

关键词： Weight measurement Fuzzy logic Solid modeling Liquids Databases Volume measurement Prototypes Detectors Real-time systems Monitoring

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Accelerating internet penetration to rural areas: A government-sponsored internet-kiosks deployment project in Garut Regency, West Java of Indonesia 9

Accelerating internet penetration to rural areas: A governme...

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9th International Conference on Telecommunication Systems Services and Applications, TSSA 2015

作者： Kurniawan, A. Zakia, I. Wartika, E. Austin, A.G. School of Electrical Engineering and Informatics Institut Teknologi Bandung Jalan Ganeca 10 Bandung40132 Indonesia Study Program of Film and Television Institut Seni Budaya Bandung Jalan Buahbatu 212 Bandung40265 Indonesia Faculty of Civil Engineering and Environment Institut Teknologi Bandung Jalan Ganeca 10 Bandung40132 Indonesia

ISBN: (纸本)9781467384469

Internet penetration in developing countries depend on a variety of factors, including the Gross Domestic Product (GDP), the density of telephone connections, and the density of personal computer users. Internet kiosks have been deployed in 21 rural ditrict areas of Garut Regency to facilitate internet access for local/district government as well as for the community who have no access to internet. Each district was equiped with 10 PCs, a printer, a scanner, and an internet connection either using DSL or cellular access technology. The program was government sponsored through the Ministry of Communications and Information of the Republic of Indonesia. This program was also designed to provide education and training for the district internet kiosks operator as well as for the staffs of information technology at Garut Regency, on understanding, efficient use, management, maintenance, as well as the ethical/professional use of information to upgrade their skills. This study was then conducted to evaluate factors affecting internet penetration in rural areas of Garut Regency, West Java of Indonesia. © 2015 IEEE.

关键词： Demography

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