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Articles 1,542 Documents
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Comparison of DAF Pretreatment between Static Mixer and Impeller Mixer for Oil and Grease Reduction Rizka Novembrianto; Firra Rosariawari; Okik Hendriyanto Cahyonugroho; Syadzadhiya Qothrunada Zakiyayasin Nisa'; Praditya Sigit Ardisty Sitogasa; Restu Hikmah Ayu Murti
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4107

Abstract

The problem of domestic wastewater originating from restaurants is the largest contributor to organic wastewater in urban waters. Among them are waste water parameters, namely oil, and grease. Oils and grease are compounds that do not dissolve easily in water. However, it can be dissolved with non-polar organic solvents. The carbon chains of oils and grease are also long. So, it is difficult to decompose and takes a long time if processing uses the help of microorganisms. So, the alternative is to use physical-chemical processing. In this research, we tried using a static mixer and an impeller mixer. We conducted a systematic review of DAF techniques in wastewater treatment. We reviewed six indexed databases namely dissolved air flotation, microbubbles, wastewater treatment, and key operational and design parameters involved in the effectiveness of the flotation process. In this pre-treatment, the focus is on the withdrawal/discharge speed in collecting wastewater as a test and the effectiveness of mixing wastewater with coagulants and air pressure. These three aspects are used in equilibrium to achieve the optimum dose for the static mixer use scheme. Meanwhile, the impeller mixer scheme uses rotational speed in mixing with the coagulant, contact time, and Reynolds number to achieve the required turbulence. Apart from that, the use of electrical energy in the pump is also calculated in these two schemes. The results obtained were the amount of weight of oil and grease collected in the static mixer pretreatment of 9.12% w/v and the impeller mixer of 7.63% w/v and the results of the organic content of the Chemical Oxygen Demand (COD) parameter for the static mixer were 86.92 % and mixer impeller 78.86 %. From these results, static mixers have advantages over using impeller mixers in terms of the effectiveness of the oil and grease reduction process.
Socialization and Training on Making Compost Fertilizer at Al-Azhaar Islamic Vocational School Tulungagung from Organic Waste Rohmatul Faizah; Nur Qomariyah Deviyanti; Dina Riska Triswanti; Ekafianda Azzhara Suprapto
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4108

Abstract

Organic waste is leftover material or rubbish that can be recycled and comes from living creatures, such as food waste, waste from living creatures, or plant waste. Research shows that organic waste can be useful as compost which can be used as plant fertilizer and soil fertilizer. This activity was carried out at the Islamic Boarding School Innovation Thematic KKN activity at Al-Azhaar Islamic Boarding School, Tulungagung. The tools and materials used in socialization and training activities are compost bags, measuring cups, latex gloves, dry leaves, vegetable waste and water. Socialization and training activities are carried out in stages, namely preparing the location as well as the tools and materials that will be used. The location used in this activity is the Al-Azhaar Islamic Vocational School field in Tulungagung. Student and female representatives came forward to practice making compost according to the example given. Question and answer session by students of Al–Azhaar Islamic Vocational School, Tulungagung. The aim of carrying out socialization and training on making compost from organic waste is so that students and students of the Islamic Vocational School Al - Azhaar Tulungagung are able to process organic waste around the school which can be used into more useful items in the form of compost fertilizer.
Anti-Radicalism Literacy Jihad: Efforts to Contextualize Nahdlatul Ulama's Jihad Resolution in the Modern Era Rohmatul Faizah; Ahmad Baedowi
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4109

Abstract

The Nahdlatul Ulama Jihad Resolution, which was proposed as an effort to seize and defend the Unitary State of the Republic of Indonesia (NKRI) from the hands of colonialists, was based on the postulates of the Islamic religion which obliges every Muslim to defend the homeland and defend the independence of the Unitary State of the Republic of Indonesia. The jihad resolution that was proclaimed immediately spread widely to society. In today's context, jihad, which is interpreted as a serious effort, can be widened in scope in terms of protecting all of Indonesia's blood from threats and exposure from extreme and radical groups through strengthening literacy or literacy jihad. Nowadays Islamic boarding schools as educational institutions which are one of the strongholds of the Republic of Indonesia have undergone changes in responding to the challenges of the times by incorporating information technology knowledge. This knowledge is an effort to develop general knowledge as well as the practice of using Information and Communication Technology (ICT) to equip students in this digital era. This is an effort to contextualize NU's jihad resolution in the modern era, namely jihad in the field of literacy to ward off radicalism.
Modelling of Return of S&P 500 Using the Non Linear Generalized Autoregressive Conditional Heteroscedasticity (NGARCH) Model Trimono Trimono; Aviolla Terza Damaliana; Irma Amanda Putri
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4110

Abstract

ARIMA Box-Jenkins is one of the most popular forecasting methods. ARIMA modeling requires a non-heteroskedastic care that shows constant residual variants. Awake, meaning residual residue from heteroscedastic ARIMA modeling (not constant). To overcome the problem of residual heteroskedasticity ARIMA used modeling volatility that is Generalized Autoregressive Conditional Heteroscedasticity (GARCH). GARCH is used to model the ARIMA residual variant which means symmetric. Some financial data has an asymmetric nature caused by the influence of good news and bad news. To accommodate these asymmetric properties, we use the Non-Linear Generalized Autoregressive Conditional Heteroscedasticity (NGARCH) volatility model which is the development of the GARCH model. This research applies NGARCH model using S & P 500 share price index data from January 1, 2019, until July 31, 2023 during active day (Monday-Friday). The purpose of this study, to find the best model NGARCH. The best model generated for S & P 500 stock price index data is ARIMA (1,0,1) NGARCH (1,1) because it has small AIC.
Local Community Awareness in Inclusive Tourism Development in Tegaren Village, Trenggalek Herlina Suksmawati; Praja Firdaus Nuryananda; Leily Suci Rahmatin
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4111

Abstract

Currently, it is very important to build the tourism sector based on an awareness of inclusivity. This article is a summary of the community service activities that have been carried out in the Tegaren Tourism Village, Trenggalek Regency, East Java. The program implementation team has tried to take the essence of the various community service activities that have been carried out. The core results of these activities can be divided into two parts, namely 1) awareness of inclusivity in Tegaren has existed for a long time, along with the development of this tourist village and 2) awareness of this inclusivity has facilitated collaboration with stakeholders, which in turn helps Tegaren plans concrete steps to develop tourism in the village, including through virtual tours. The program implementation team uses a variety of participatory approaches in planning, implementing, and evaluating community service programs in Tegaren. This approach includes participatory rural appraisal (PRA), asset-based community development (ABCD), collaborative partnerships, and community-based tourism (CBT). By implementing these participatory approaches, the implementation team also gives a significant role to the community or local people in Tegaren. This role further strengthens collective awareness, including awareness of inclusivity.
Study of State Land Potential Managed by UPN "Veteran" Jawa Timur Using Spatial Interpolation, Scoring, and Weight Overlay Methods Siswanto; Purnomo Edi Sasongko
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4112

Abstract

UPN "Veteran" Jawa Timur has 13.5 hectares of land in Wonosalam District. This land has not been used optimally to support learning, research, and community service. The problems currently faced are 1) legal land ownership boundaries are still biased, 2) site plans for land use are not yet available, and 3) land potential data is needed that can be used as a reference for land use. Based on the problems above, this research aims to map land potential based on soil characteristics using the "Spatial Interpolation, Scoring, and Weight Overlay" method. Spatial interpolation is a way of calculating representative areas from several measurement points while scoring is giving parameter values based on their potential, while "Weight Overlay" is a facility provided by ArcMap GIS that combines input spatial data with a weighting (weight factor) of the magnitude of the influence. Land map units (LMU) are obtained from overlaying relief, geology, slope, and land use maps. The results of spatial interpolation, scoring, and weight overlay for eight soil characteristics for agriculture are in a good category, 49.7% (65,610.81 m2); medium 48.82% (64,093.76 m2); bad 1.21% (1,593.09 m2). For physical buildings in the good category 16.61% (44,130.38 m2); moderate 25.66% (67,382.75 m2) and poor 7.523% (19,784.88 m2). And for tourism in the good category 22.36% (29,361.61 m2); moderate 58.10% (76,281.01 m2) and poor 19.54% (25,655.05 m2). Directions for potential agricultural use of 8,802.9 m2 (6.7%), physical buildings = 17,595.8 m2 (13.4%), and tourism = 28,890.8 m2 (22.0%), and can potentially be developed by combining agriculture and tourism = 36,890.3 m2 (28 .1%), Development of physical buildings or tourism = 39,117.9 m2 (29.79%), and all potential and development area is in Slightly Flat topography (Slope, 0-3%) to hilly (Slope, 15-25%).
Evaluation of Implementing the 4A Concept in Unique Tourist Destinations at Tawun Tourist Park, Ngawi Leily Suci Rahmatin; Herlina Suksmawati; Praja Firdaus Nuryananda
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4113

Abstract

Tawun Tourism Park, located in Ngawi, is a special interest tourist destination which is a leading tourist attraction. Not only local tourists in Ngawi who visit this place, but also tourists who come from outside the city are very enthusiastic to see the excitement of the Tawun Tourism Park. With the improvement of the management superstructure of the Tawun Tourism Park and support from the local government, the research team assessed the need for scientific support for tourism analysis. This support can be formed through a readiness analysis and the application of the 4A concept at the Tawun Tourism Park. This article will discuss the extent to which awareness of good tourism management has been used by the Tawun Tourism Park management and a description of the implementation of the 4A concept in that place so far. To write this article, one research was carried out in three stages, namely the preparation stage, the field study implementation stage and the evaluation stage. The research used a descriptive-qualitative type of research and data collection techniques were carried out by interviews and observations. The results of the research conducted are the facts in the field that Tawun Tourism Park has met the basic criteria for tourism, namely A4 (attraction, amenity, accessibility, ancillary) and the majority of residents involved in Tawun Tourism Park tourism are local residents, so this is in line with the spirit of development a tourist destination.
Enhancing Quality of Life Through the Advancement of Tourism Industry in Tegaren Joko Mijiarto; Made Bambang Adnyana; Arin Setiyowati; Praja Firdaus Nuryananda
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4114

Abstract

This article presents findings from a field study carried out in Tegaren, a popular tourism village located in Trenggalek. Tegaren has consistently ranked within the top 500 in the Anugerah Desa Wisata Indonesia for the past two years. As one of the standout tourist villages in Trenggalek, Tegaren boasts intriguing developments in its tourism sector, which piqued the researchers' interest. Utilizing a combination of interviews, observations, and a thorough review of relevant literature, the authors gathered data from various village officers. This collected information was then analyzed through qualitative research methods. To corroborate the findings, the authors also employed the TALC concept and the Better Life Index to measure the quality of life. Furthermore, an asset-based community development approach was applied to ensure the accuracy of the qualitative data. The article sheds light on the impact of the burgeoning tourism industry on specific Tegaren communities, namely besek farmers and homestay or lodging accommodation proprietors. Nevertheless, there remains ample room for further research and improvements in this study, which may be pursued in future investigations.
Tegaren’s Constraints in Adapting Digital Technology to Its Tourism Development Praja Firdaus Nuryananda; Jojok Dwiridotjahjono; Dwi Wahyuningtyas
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4115

Abstract

The article serves as a scholarly publication summarizing field research conducted in Tegaren, East Java. The research team's objective is to provide a fresh perspective on the digitalization of the tourism village. The article examines the challenges faced by Tegaren in enhancing digital telecommunications penetration and adapting to digital technology following its transformation into a tourism village. These challenges encompass four main factors: 1) the prevalence of a younger, less productive age group in Tegaren, 2) the departure of youth from Tegaren, 3) Tegaren's agricultural lifestyle and ecosystem, and 4) its geographically distant position from major transportation hubs. Employing a theoretical framework incorporating methods such as participatory rural assessment, asset-based community development, community-based tourism, and the digital culture and literacy of rural communities, the article elucidates the demographic and geographical obstacles hindering Tegaren's efforts to enhance digitalization for the tourist village. All data presented is derived from in-depth interviews and participatory observations carried out by the research team. The respondents comprise various stakeholders from the village, including village officials, Pokdarwis members, BUMDes members, besek farmers, and village youths. This article unveils a correlation between the evolution of a tourism village and the presence of shared spaces fostering creativity and productivity. Recognizing the distinctiveness inherent in the circumstances of each tourism village, it becomes clear that comprehensive generalizations about tourism village studies are not entirely applicable.
Environmental Graphic Design for The MPU Tantular Museum Using a Design Thinking Approach Ardian Jaya Prasetya; Dhika Yuan Yurisma
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4116

Abstract

Visitors to the MPU Sidoarjo Tantular Museum are dominated by school students who have assignments from school. The lack of information on each museum collection causes visitors to be less interested in visiting. This research aims to design environmental graphic designs as a branding effort for the Mpu Tantular Sidoarjo museum. The design is made in the form of wayfinding and museum signage. The method used in this research is Design Thinking with a basic scheme, namely Emphatize, define, ideate, prototype, test. direct data mining through observation and interviews. From the results of data analysis, a concept was obtained to design a prototype environmental graphic design so that visitors can improve their experience of visiting the MPU Tantular museum. Media implementation using sticker material. In the future, we suggest that this research can be developed using the latest technology such as virtual reality to improve visitor experiences.

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