The palm oil industry in Indonesia produces large amounts of biomass waste, one of which is palm kernel shells that have the potential to be used as composite reinforcing materials. This study aims to utilize PKSA resulting from combustion at 900°C for 4 hours as an additional reinforcement in aluminum 6063-based aluminum matrix composites (AMCs). The use of PKSA containing SiO₂ is expected …
Water quality is crucial, because polluted water can endanger human life and other living things. One of the largest sources of pollution comes from industrial waste, but household waste is also no less influential. often, pollution occurs due to poor waste management. Several factors that need to be considered before disposing of waste into the environment are acidity levels (pH), BioChemical …
Household wastewater contains various dissolved substances (Total Dissolved Solids/TDS) that can reduce environmental quality if not properly controlled. This study aims to design and implement an Internet of Things (IoT)-based monitoring and control system for TDS levels using an ESP32 microcontroller, two automatic pumps, and activated carbon and air conditioner water as filtration media. The…
Penelitian ini akan digunakan sebagai bahan baku pembuatan membran polimer Polythersulfon (PES). Sifat-sifatmembran diketahui dengan mengetahui karakteristik membran yang dapat mengetahui efektivitas dan efisiensi membran yang dibuat dengan adanya pengujian parameter. Kajian parameter yang digunakan yaitu kuat tarik, struktur mikro, dan permeabilitas membran. Membran ini dibuat dengan menggunak…
Young coconut water (Cocos nucifera (L.) was a clear liquid found within the endosperm of young coconuts. It was highly susceptible to microbial contamination and quality deterioration due to air exposure. Thermal processing was commonly used to preserve liquid beverages. This study aimed to evaluate the effects of different heating methods on the chemical and microbiological properties of youn…
This research aims to design a Cloud Radio Access Network (C-RAN) Fair Network model based on Demand Response and Heterogeneous Incentives using a linear utility function and optimizing the problem of consumers using bandwidth using three financing schemes, namely: flat-fee, usage based and two-part tariff. Then perform a sensitivity analysis to identify parameter changes that can generate prof…
Cluster analysis is a multivariate statistical analysis method used to group variables or objects into several groups that have certain similar characteristics so that each group will contain homogeneous objects. K-Means is one of the non-hierarchical data clustering or partitional clustering methods. Education is a fundamental need that must be fulfilled in social life. The problem of uneven e…
Indonesian government is working to improve how household waste is handled in small cities as part of its efforts to support long-term development in providing clean water and sanitation for all, as reviewed in Sustainable Development Goal 6 (SDG 6). The objective of the country is to ensure that by 2025-2045, at least 70% of people have access to proper sanitation according to the National Lon…
The distribution of goods in the food and beverage industry often faces challenges related to vehicle capacity limitations and customer time windows. This issue can be modeled as a Vehicle Routing Problem with Time Windows (VRPTW). To obtain an efficient solution, this study proposes a hybrid approach by combining the Nearest Neighbor (NN) heuristic for initial solution construction and the Fir…
Penelitian ini bertujuan untuk mengetahui dampak penggunaan alsintan dan non penggunaan peralatan mesin terhadap pendapatan petani pada program optimalisasi lahan basah untuk mencapai tujuan optimal yaitu peningkatan produksi dan kesejahteraan petani di Desa Bunga Karang. Penelitian ini dilaksanakan pada bulan Juni 2023 sampai selesai di Desa Bunga Karang Kecamatan Tanjung Lago. Penelitian ini …
Sugarcane (Saccharum Officinarum L.) has long been one of the known and cultivated crops in Indonesia, sugarcane is also an important commodity to be used as the main ingredient for sugar production. This study aims to assess the quality and characteristics of the land, evaluate the actual and potential land suitability class, and determine the available nutrient content that is suitable for su…
Indonesia, with its high biodiversity, is home to 1,539 bird species, some of which have morphological similarities that make manual identification challenging.This research aims to develop a bird species classification model in Indonesia using a Convolutional Neural Network (CNN) with the EfficientNet-B0 architecture to improve identification accuracy and speed. The model was trained using 10 …
PT Bukit Asam, Tbk has various types of coal with different qualities. As a result of this, the company has made coal blending effort so that the coal sold is in accordance with the specifications or contracts that have been approved. PT Bukit Asam Tbk. The Tarahan Port Unit has received a coal export request for MV. Xie Hai Yong Xin from China with the market brand type BA50 and a total tonnag…
Tempe extract is one of the innovative plant-based products extracted from tempeh through a mechanical process. The main mechanical processes used in the production of tempe extract are blending and filtering, which are important factors in the preparation of tempe extract. This research aimed to determine the effects of blending time and tempeh pulp filter size on the characteristics of tempe …
Limitations of visual analysis by medical personnel. This study implements the YOLOv8 algorithm, a state-of-the-art deep learning method for object detection, to identify three types of brain tumors, namely glioma, meningioma, and pituitary. The dataset was obtained from Kaggle, then processed through the preprocessing and augmentation stages with Roboflow, and trained using several YOLOv8 vari…
Songket wastewater has properties that are difficult to decompose in the environment so that it can cause pollution to the environment. Songket wastewater discharged directly into the aquatic environment can reduce oxygen concentration and death of organisms in the waters, while if discharged directly into the soil can cause inhibition of shoot and root growth. This causes the need for a good s…
This study aims to classify food products using the FSN (Fast, Slow, and Non-Moving) method based on the Turn Over Ratio (TOR) and the Fuzzy approach to optimize the management of food product inventory. The calculation results of the FSN method show that products are classified based on their turnover rate. The F group comprises 66 product categories, the S group 40 product categories, and the…
Air asam tambang adalah salah satu masalah yang dihadapi pada usaha pertambangan batubara. Air asam tambang merupakan air yang terbentuk dari reaksi kimia antara logam Pyrite (FeSd dengan air dan adanya kontak dengan udara. Pada KPL Stockpile 1, air asam tambang berasal dari timbunan batubara di Stockpile 1 dimana batubaranya berasal dari 85% dari T AL dan 15% dari Muara Tiga Besar. Diketahui d…
Human resources in the manufacturing industry are closely related to workload, where human resources are given a task or target that must be achieved. With this workload, an analysis is needed to optimize work in every field of work in the manufacturing industry. This analysis is workload analysis, this analysis aims to control workload, and can also measure the level of work effectiveness and …
Salah satu elemen struktural yang didesain tahan terhadap gempa adalah join balok-kolom. Zona join tersebut merupakan daerah responsif terhadap distribusi beban gempa, sehingga desain yang tepat adalah harus memenuhi kriteria seismik. Kesulitan pemadatan beton konvensional akibat kerapatan tulangan dapat diatasi dengan material self compacting concrete. Penelitian ini bertujuan untuk menganalis…
This research aims to monitor and evaluate the workload of librarians at the Sriwijaya University Library and also the level of workload for librarians at the Sriwijaya University library. Focus on librarian workload. The research used Google Looker Studio to apply workload analysis to one of the performance benchmarks (KPI) of librarians at the Sriwijaya University Library. From the results of…
Urban traffic congestion is a major issue in road network development. The solution to overcome congestion is through the construction of flyovers and underpasses, but these projects are complex and come with inherent risks. Work safety is crucial, especially in large-scale flyover projects. In the case of the Sekip Ujung intersection flyover project, the sustainability of accident trends and p…
PT Pertamina RU II Dumai is one of company in which produce various last produet or decreased produet from earth oil to fulfill source of energy as main choice in industries, trasportations, and houses. Doing process of managing at crude oil need to know the characteristic and specification from crude oil itself (feed stock). To know the qualities and the advantages of earth oil, there are two …
This research discusses statistical problems in the case of comparing weather elements in Dempo Tengah and Tanjung Sakti Pumi sub-districts from 2021 to 2022 with coffee production in the both sub-districts on 2022 to 2023. Weather is the state or behavior of the atmosphere at a certain time which changes from time to time. Coffee is one of the leading commodities in the plantation sector that …
The thresher machine plays an important role in palm oil processing as it functions to separate palm fruits from their bunches. This study designs a small-capacity thresher machine to make it accessible for farmers and community groups. The design process involves creating components such as the drum thresher, shaft, chassis, and wheels to ensure the machine is mobile. These components are then…
The existence of the RSS Processing Factory of PTPN I Regional 7, Musilandas Plantation, in Mainan Village, particularly in Hamlet II, has impacted the surrounding community, influencing their perceptions and welfare levels. This study aims to: (1) Analyze the perceptions of Mainan Village residents regarding the presence of the RSS Processing Factory at PTPN I Regional 7, Musilandas Plantation…
Introduction: Controlled use of antibiotics is an indicator of the quality of hospital services because it can prevent the emergence of antimicrobial resistance and save on antibiotic use. Ultimately, this will reduce patient care costs, shorten the duration of treatment, save hospitals, and improve the quality of hospital services. Dr. Provincial General Hospital Mohammad Hoesin Palembang hand…