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All Journal Aptisi Transactions on Technopreneurship (ATT) Journal of Architecture and Human Experience
Andareswari, Novi
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Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Social Sciences

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Identifikasi Lokasi Pemusatan Fasilitas Rumah Sakit Kota di Surakarta Feri Karlina Pangestuti; Andareswari, Novi; Ulya, Ayu Fitriatul
ARCHIHUMANUM Vol 2 No 2 (2024): October
Publisher : CV. Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/archimane.v2i2.47

Abstract

Health is the optimal general state of one's body, mind, and spirit. Someone can do an activity because there is a healthy body so in general everyone always tries to stay healthy. The availability and convenience of health facilities is one of the efforts made by the government to improve the quality of public health. The purpose of this study with the Mean center method and Density estimation analysis with Heatmap, is to gain a better understanding of data distribution patterns. The Mean center method is used to determine the central point of distribution of data which can then be used as a reference to analyze and understand further distribution patterns. From this analysis it can be concluded that the Mean center method can help in identifying the center point or midpoint in the Surakarta area, describing the ideal location in Surakarta City, this method allows geographical representation of the center point using geographical coordinates such as latitude and longtitude which can then provide an easy understanding of the relative location of the center point of the hospital to other hospitals in the region. The results of the Mean center show that the center point of the hospital is located in Kelurahan Kestalan, Kecamatan, Banjarsari Surakarta City. Density estimation results in 3 (three) concentration clusters in Surakarta City. This helps local governments in plans to add health facilities, because of the gap in the northern, central and southern regions.
From Waste to Wealth: Entrepreneurial Ventures in Chitosan Extraction for Environmental Sustainability Sulistyowati, Lilik; Syarif, Mohammad; Elvira, Marlon V.; Putrianti, Nabila Puspa; Andareswari, Novi; Krisnawati, Eny; Komarudin, Nurul Amri
Aptisi Transactions On Technopreneurship (ATT) Vol 6 No 3 (2024): November
Publisher : Pandawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/att.v6i3.480

Abstract

The degradation of water quality in the environment can be attributed to the discharge of wastewater from shrimp ponds. Conversely, solid waste in the form of shrimp shells presents an entrepreneurial opportunity through the extraction of chitosan, a substance with the potential to enhance water quality while contributing to environmental sustainability. Sampling for this study was conducted at the Vannamei Nusantara Gemilang pond, located in Tambakrejo Village, Malang Regency, East Java. The research employed an experimental methodology with a quantitative approach, supplemented by a literature review. Various doses of chitosan solutions were tested on shrimp pond wastewater. The optimal results were obtained at a dosage of 80 mg/L, significantly outperforming the untreated water. The test outcomes for the 80 mg/L dosage included: BOD (Biochemical Oxygen Demand) at 4.62 mg/L, Nitrite concentration at 0.045 mg/L, turbidity at 3.55 NTU (Nephelometric Turbidity Units), TSS (Total Suspended Solids) at 14.6 mg/L, TDS (Total Dissolved Solids) at 2974 mg/L, pH level at 6.31, and temperature at 31.40°C. Notably, the Total Dissolved Solids (TDS) levels did not meet quality standards, highlighting the need for further process optimization. These findings emphasize the potential of chitosan extraction as a sustainable solution, while also underscoring the importance of continued research into the economic feasibility of this waste-to-wealth approach. Further studies are necessary to refine the wastewater treatment process, quantify the economic benefits, and ensure the long-term viability of this entrepreneurial venture in environmental sustainability.
Co-Authors Ayu Fitriatul Ulya Elvira, Marlon V. Eny Krisnawati Feri Karlina Pangestuti Komarudin, Nurul Amri Lilik Sulistyowati Putrianti, Nabila Puspa Syarif, Mohammad