Tanah lempung ekspansif banyak terdapat di Palembang dan digunakan sebagai bahan timbunan. Tanah ini sangat peka terhadap perubahan kadar air. Tanah ini mempunyai sifat kembang susut yang besar yang diakibatkan perubahan volume pori yang dapat menimbulkan permasalahan dalam perencanaan dan pelaksanaan konstruksi apabila tidak ditangani dengan benar. Cara yang tepat untuk mengantisipasi permasal…
Kadar aspal Optimum Suatu Campuran aspal pada perkerasan jalan tergantung oleh rongga udara dalam campuran (VIM), stabilitas dan berat isi. Faktor dari Kadar aspal optimu ditambah dengan rongga antar butiran agregat (VMA), rongga udara dalam campuran (VIM) dan gradasi agregat memberikan daya lekat tinggi terhadap aspal dengan agregatnya dan kemampuan kekedapan air yang baik agar aliran air d i …
Limbah dapat menimbulkan masalah yang berdampak negatif pada lingkungan hidup. Limbah tersebut umumnya berasal dari limbah anorganik, karena tidak dapat diuraikan oleh bakteri-bakteri pembusuk. Hal ini dapat menimbulkan kerugian pada manusia itu sendiri. Oleh karena itu perlu dicari solusi untuk menangulangi permasalahan tersebut, apalagi di Indonesi masalah limbah merupakan masalah yang sampai…
Curah hujan yang tinggi pada suatu wilayah dapat membuat kondisi jalan menjadi semakin memburuk apabila air dibiarkan menggenangi badan jalan, terutama pada saat terjadinya hujan. Sebagai pemecahannya, dibuat alternatif baru agar air tidak terlalu lama menggenangi badan jalan, yaitu dengan membuat lapisan lentur perkerasan bergradasi terbuka yang di Indonesia dikenal dengan nama drainseal atau …
Penelitian tentang, “Penyerapan Logam krom (Cr) pada Air Limbah Industri Pelapisan Seng dengan Menggunakan Biosorben Bulu ayam” telah dilakukan. Larutan logam krom diinteraksikan dengan bulu ayam dengan variasi waktu kontak, pH, konsentrasi, dan diaplikasikan pada air limbah industri pelapisan seng. Larutan kemudian diseker, disaring dan filtratnya diukur dengan menggunakan SSA. Penelitian …
Telah dilakukan penelitian mengenai pertumbuhan tanaman cabai merah besar (Capsicum annum L.) dengan penambahan limbah cair tahu pada media tanam yang bertujuan untuk mengetahui apakah limbah cair tahu berpengaruh meningkatkan pertumbuhan tanaman cabai merah besar. Penelitian ini menggunakan metode eksperimen dengan Rancangan Acak Lengkap (RAL) terdiri dari 6 perlakuan dan 3 ulangan. Perlakuan …
Water is essential for life, but pollution from industrial and household waste, such as detergent water, soap, and sewage, can degrade its quality and harm human health. An effective solution to this problem is the Wastewater Treatment Plant (IPAL), which treats liquid waste to ensure it can be safely discharged into the environment. This project aims to develop an Internet of Things (IoT)-base…
Penelitian ini membahas pemanfaatan teknologi arcing plasma dan dielectrical barrier discharge (DBD) untuk pengolahan limbah tekstil. Pengujian kali ini menggunakan chamber ½ bola dengan variasi jarak celah 1 dan 2mm menggunakan alumunium tape sebagai grouding pada tabung dan tanpa alumunium tape. Hasil pengukuran melihatkan konsentrasi ozon tertinggi pada chamber ½ bola dengan variasi jarak …
Penelitian ini melaporkan mengenai efektivitas paparan ozon dalam membersihkan air bilasan laundry dengan menggunakan metode kombinasi arcing plasma dan dielectric barrier discharge (DBD) dalam menghasilkan ozon. Penelitian ini juga menganalisis pengaruh variasi jarak celah antar elektroda batang berbahan stainless steel dengan ukuran 1; 1,5; dan 2mm. Pembangkitan tegangan tinggi menggunakan tr…
The textile industry is one of the sectors that generates large volumes of liquid waste containing complex organic compounds, synthetic dyes, and various chemicals that are difficult to degrade, thus posing a significant threat to aquatic environments. In this study, ozone was generated using the Dielectric Barrier Discharge (DBD) method with a rod–spiral electrode configuration to enhance oz…
Manual monitoring of household wastewater quality is inefficient and slow. This research aims to design a real-time monitoring system based on the NodeMCU ESP32 using Dissolved Oxygen (DO), Total Dissolved Solids (TDS), and Temperature sensors. The Fuzzy Logic method is used to determine the water quality classification (Very Good, Good, Moderate, Poor, Very Poor). The theoretical ideal model (…
This study focuses on tempeh artisans' decision-making in managing tempeh waste using a wastewater treatment plant (IPAL) on Jalan Asia, Plaju District, Palembang City. This study aims to describe the decision-making process of tempeh producers in managing tempeh waste using IPAL on Jalan Asia by describing the decision-making process of tempeh producers in managing tempeh waste using IPAL at e…
Broiler chickens are meat-type poultry renowned for their rapid growth rate and high feed conversion efficiency. One strategy to optimize broiler performance is the inclusion of feed additives. Additives such as probiotics and natural acidifiers derived from orange peel waste can serve as viable alternatives to antibiotics in the diet. Their intended functions are to enrich the intestinal micro…
Cabbage and mustard greens waste are common market waste found in communities and traditional markets. These wastes have high moisture content, making them prone to spoilage, but can be utilized as alternative feed. The utilization of cabbage, mustard greens, and carrot waste as feed can employ silage technology, an anaerobic fermentation process to preserve nutritional value. The addition of c…
Cabbage and mustard green waste are potential alternative feed sources. These vegetable wastes are often overlooked, yet they possess adequate nutritional value and can be utilized to improve feed efficiency for livestock. The addition of carrot waste to silage serves as a source of simple sugars and energy, which accelerates the decline in pH and enhances the growth of beneficial fermentative …
Pengetahuan dan sikap tenaga kesehatan terhadap pengelolaan limbah medis sangatlah penting, terutama hubungan antara pengetahuan dan sikap pengelolaan limbah medis terhadap tenaga kesehatan. Sistem manajemen pengelolaan limbah medis di rumah sakit memegang peranan sentral dalam menjaga keamanan dan keberlanjutan lingkungan serta kesehatan masyarakat. Sistem manajemen ini mencakup proses pengump…
Every year the population of Indonesia experiences a significant increase, the increasing population can cause problems, one of which is the increasing amount of domestic waste. The amount of domestic waste can be dangerous if not treated properly. One alternative that can be used to reduce environmentally friendly waste pollutant levels is using a constructed wasteland system. This research is…
A problem with the Indralaya Engineering Canteen's environment is the poor treatment of wastewater. Constructed wetland is an alternative to liquid waste treatment that is effective and economical to implement. Constructed wetland can be designed with controlled treatments, such as setting residence time and hydraulic loading rate (HLR). The high and low value of HLR has a close relationship wi…
Organic waste is the largest contributing component of the total waste that ends up in landfills. This waste accumulation causes various problems, including being a source of various diseases and a cause of soil and water pollution. The production of eco-enzymes is an effective and efficient solution for managing organic waste by converting it into a multi-purpose liquid through a fermentation …
Ketergantungan Indonesia terhadap bahan bakar fosil yang ketersediaannya semakin menurun mendorong pencarian sumber energi alternatif yang ramah lingkungan, salah satunya biodiesel. Pemanfaatan limbah perikanan seperti minyak rajungan (Portunus pelagicus) berpotensi menjadi bahan baku biodiesel, sementara limbah cangkang kerang simping (Amusium pleuronectes) dapat diolah menjadi katalis CaO. Pe…
Indonesia, as the world’s largest producer of palm oil, generates a considerable amount of palm kernel shell (PKS) waste that remains underutilized. Palm kernel shell ash (PKSA), rich in silica and carbon, has the potential to serve as an economical, environmentally friendly, and easily available reinforcement material for Aluminium Matrix Composites (AMC) derived from industrial waste. This …
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 …
Palm oil plays a strategic role in Indonesia’s economy as one of the fastest-growing commodities. However, the increase in production also generates a large amount of solid waste such as empty fruit bunches, shells, fibers, and kernels. This waste has the potential to be reused as an additive material in the production of Aluminium Matrix Composites (AMC). This research aims to optimize palm …
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…
This research discusses the penetrating strength of waste transformer oil that is exposed using ozone. Ozone is produced from an ozone generator that uses 1/2 ball electrodes made of stainless steel with variations in gap distance of 1 mm and 2 mm. High voltage generation as a discharge source in the ozone generator with one of the main components of the flyback transformer. Ozone was measured …
Bricks are one of the basic building materials that have long been recognized and used by most people in various construction activities such as residential walls, buildings, fences, channels, and foundations. In order to minimize the amount of cement and aggregate used in making bricks, there is a need for effective measures to reduce carbon emissions to the environment through the use of ceme…
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…
Di tengah isu menipisnya cadangan minyak dunia dan membumbungnya harga minyak mentah dunia, sehingga berakibat pada meningkatnya harga jual bahan bakar minyak di Indonesia. Minyak tanah ( terpentin ) di Indonesia yang selama ini disubsidi menjadi beban yang sangat berat bagi pemerintah karena nilai subsidinya yang sangat besar. Limbah cair dari pabrik pengolahan karet bila diolah dengan benar d…