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All Journal Al-Ard: Jurnal Teknik Lingkungan PREVENIRE: Journal of Multidisciplinary Science Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah
Nia Febrianti
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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Medicine & Pharmacology Social Sciences

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Dampak Karakteristik Pemasaran Syariah Terhadap Kepuasan Nasabah Produk Deposito Mudharabah di Bank Mitra Syariah Gresik Kantor Kas Menganti Nia Febrianti; Farid Ardyansyah
Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah Vol. 5 No. 6 (2023): Al-Kharaj: Jurnal Ekonomi, Keuangan & Bisnis Syariah 
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/alkharaj.v5i6.158

Abstract

The research conducted by this researcher is something that can be used to understand the importance of applying the characteristics of Islamic marketing and the importance of customer satisfaction for a bank. This study aims to determine how the impact of sharia marketing characteristics on customer satisfaction in deposit products made by Bank Mitra Syariah Gresik. This field research used a qualitative approach, using primary data and secondary data. Then retrieve data sourced from interviews with banks and customers and supporting data, namely through journals and the internet as a reference for relevant researchers. The data testing method used by researchers is data triangulation. The type of triangulation used in this research is source triangulation, namely by checking the data obtained through 3 (three) sources. The results of this study indicate that the characteristics of sharia marketing that have been carried out by Bank Mitra Syariah employees have had a good impact on customers. In marketing deposit products, Bank Mitra Syariah employees have implemented the characteristics of sharia marketing. The characteristics of sharia marketing are theistic (rabbaniyah), ethical (akhlaqiyyah), realistic (al-insaniyyah), and humanistic (al-waqi'iyah). Customers are satisfied with the characteristics of sharia marketing implemented by employees of Bank Mitra Syariah Gresik.
Use of EPANET Software in Network Planning for Drinking Water Supply Systems in Balikpapan Tengah District and Balikpapan City District Nia Febrianti; Dwi Arief Prambudi
Journal of Multidisciplinary Science Vol. 2 No. 2 (2023): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Institut Studi Islam Sunan Doe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58330/prevenire.v2i2.150

Abstract

Clean water is a primary need for everyone. The need for clean water will increase over time as well as the increase in population, this makes it necessary to carry out an assessment related to water demand in the future up to 10 years in the future. Therefore, considering the raw water source whose availability cannot be predicted so that it can be calculated the need for clean water for the District of Balikpapan Tengah and Balikpapan City, the water demand value is obtained, namely the debit in the District of Central Balikpapan is 352 liters/second and the District of Balikpapan Kota is 295 liters. /second. After that, an analysis of the drinking water distribution routing network was carried out using the Hardy-Cross method and the use of EPANET 2.0 software. Then calculations are carried out by entering data in the form of needs data such as maps of the main pipeline network, 24-hour flow patterns, and data related to contours or elevation. In terms of speed and accuracy of analysis using EPANET 2.0 software for drinking water supply systems is considered more fulfilling.
Pemanfaatan Kulit Singkong sebagai Adsorben dalam Menurunkan Kadar BOD, COD di Air Waduk Manggar Kota Balikpapan Nia Febrianti; Vina Mauliana; Rahmi Yorika
Al-Ard: Jurnal Teknik Lingkungan Vol. 8 No. 2 (2023): March
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v8i2.1743

Abstract

Balikpapan City is a city that does not have a large river to supply raw water like in several other cities, so to meet the water needs of the community, the main source of raw water is obtained from surface water from the Manggar Reservoir. The presence of high amounts of organic contaminants such as BOD and COD will affect water quality if treatment is not carried out to reduce these pollutants. One of the efforts that can be made to reduce pollutant levels is by the adsorption process using natural adsorbents, namely activated carbon from cassava peels. This research was conducted to find out how the effect of mass, contact time and the effectiveness of adsorbents from activated carbon of cassava peels in reducing BOD and COD levels in Manggar reservoir water, Balikpapan City. The adsorption process was carried out using variations in mass of 1, 3, 5, 7 and 9 gr and contact time variations of 30, 45, 60, 75 and 90 minutes. Based on the results of the study, the efficiency of reducing the BOD concentration of the adsorbent of activated carbon from cassava peels was 95.06% from the initial concentration of 8.3 mg/L to 0.41 mg/L at the optimum mass of 5 grams and the efficiency of reducing the COD concentration was 100% of the initial concentration of 28.54 mg/L to 0 mg/L at an optimum mass of 3 grams with a contact time of 30 minutes. From the results of the statistical analysis tests performed, it was found that the mass variation of the adsorbent did not significantly affect the decrease in BOD and COD concentrations, while the contact time had a significant effect only on the decrease in BOD concentrations.
Evaluasi Pewadahan Sampah Berdasarkan Perilaku Masyarakat (Studi Kasus: Kelurahan Karang Rejo Kota Balikpapan) Nia Febrianti; Ismi Khairunnissa Ariani; Muhammad Rizqiawan Antul
Al-Ard: Jurnal Teknik Lingkungan Vol. 9 No. 1 (2023): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v9i1.1773

Abstract

Transfer Station is one of the most important parts of waste management operational aspects. The condition of Transfer Station container is often neglected whether it meets the standards based on SNI 19-2454-2002 and Minister of Public Works Regulation Number 3 of 2013 concerning waste containers. The container of Transfer Station can be seen from the characteristics of it such as the shape, nature and material. Waste problems in Karang Rejo Village are caused by several factors such as the decrease in quality, the distribution of Transfer Station points, and community’s behaviour in disposing the solid waste. This study aims to analyze the distribution and provision of Transfer Station, analyze community behavior in disposing of waste and evaluate Transfer Station in Karang Rejo Village based on community behavior in waste disposal. This research is a qualitative research, the research procedures carried out are observation, identification of the provision and distribution of Transfer Station, analysis of Transfer Station conditions in a descriptive qualitative way, distribution and collection of questionnaires, data processing and the evaluation stage of waste containers according to people's behavior in disposing of waste. The results showed that in Karang Rejo Village there were 16 Transfer Station units where the distribution of it, was disproportionate, in terms of supply there were 8 out of 16 Transfer Station units whose buildings were in damaged condition (percentage <60%), 99% of the behavior of the Karang Rejo Village community in disposing of garbage by how to get off the vehicle and throw garbage into the Transfer Station and 90% of the Karang Rejo Village community did not know information about waste containers. The evaluation results showed that the Transfer Station in Karang Rejo Village was not in accordance with the standards and there were 10 units that required total renovation, and 6 units requires the addition of components such as lids on containers.
Penggunaan Kulit Lai (Durio kutejensis (Hassk) Becc.) Sebagai Bioadsorben Untuk Menurunkan Kadar Amonia Pada Limbah Cair Domestik Rumah Sakit Sitanggang, Yusril Bahri; Nia Febrianti; Ariani, Ismi Khairunnissa
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 2 (2025): March
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i2.2192

Abstract

Hospital domestic wastewater comes from the operating room, laundry, bathroom, kitchen and laboratory equipment washing room. The ammonia level in one of the hospitals in Balikpapan is 27.1 mg/L which exceeds the quality standard of 10 mg/L. The high concentration of ammonia can cause eutrophication in water bodies. Therefore, appropriate treatment of hospital wastewater is needed to prevent damage to aquatic ecosystems. The adsorption method is an alternative treatment method in hospital domestic wastewater to set aside ammonia parameters, because the tools applied are simple so that implementation is easy to apply, and the adsorbent materials used are easily available, and also the costs used are cheap and do not require large areas of land. The bioadsorbent used is lai peel and activated with sodium carbonate (Na2CO3). Variations in the dose of lai peel bioadsorbent and contact time had a significant effect on ammonia removal efficiency. The optimum condition occurred at a dose of 1 gram/100mL and a contact time of 50 minutes with an optimum removal efficiency of 73%. Adsorption capacity to the dose of lai peel bioadsorbent has no significant effect while adsorption capacity to contact time has a significant effect. The optimum condition of adsorption capacity occurred at a dose of 0.4 grams/100mL and a contact time of 50 minutes with an adsorption capacity of 2.69 mg/g.
Co-Authors Ariani, Ismi Khairunnissa Dwi Arief Prambudi Farid Ardyansyah Muhammad Rizqiawan Antul Rahmi Yorika Sitanggang, Yusril Bahri Vina Mauliana