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…
Penelitian ini berjudul “Strategi Kelompok Swadaya Masyarakat (KSM) dalam Pengembangan Usaha Pengelolaan Limbah Organik di Desa Payakabung Kecamatan Indralaya Utara Kabupaten Ogan Ilir”, yang bertujuan menganalisis kekuatan, kelemahan, peluang, dan ancaman (analisis SWOT) serta merumuskan strategi pengembangan usaha pengelolaan limbah organik oleh KSM. Penelitian menggunakan metode kualitat…
Botryococcus braunii is a microalga with significant potential for producing various bioactive compounds, including lipids, proteins, and polysaccharides. B. braunii is a single-celled microalga that is classified in the green algae group and is commonly found in lakes, ponds, brackish waters, and even the sea. The utilization of B. braunii microalgae has still been limited due to insufficient …
Vegetable waste from the market, such as cabbage, mustard greens, and carrots, has potential as animal feed ingredients. Utilisation of cabbage, mustard, and carrot waste can use silage technology. This study aims to analyse the physical quality of silage of cabbage waste (Brassica oleracea) and mustard waste (Brassica pekinensis L) with the addition of different percentages of carrot waste. Th…
Coal is usually used for Steam Power Plants (PLTU). One of the subsidiaries of PT Bukit Asam Tbk. namely PT Bukit Energi Servis Terpadu (PT BEST) at PLTU Banko Barat Tanjung Enim, South Sumatra with a capacity of 3x10 MW. This research was carried out because the use of coal in industry as fuel is increasing, which has an impact on the amount of waste produced. This research was carried out by …
This study focuses on the development of an adsorbent derived from oil sludge activated with sulfuric acid (H2SO4) using a hydrothermal method as a solution for reducing hazardous and toxic waste (B3). The high carbon, iron, and aluminium content in the sludge was utilized to synthesize Al-Fe/C oxide adsorbents for the removal of methylene blue and eriochrome black T dyes. The research aimed to…
The village of Lubuk Seberuk in the Lempuing Jaya District is one of the villages in the Ogan Komering Ilir Regency that produces rainfed rice, with an approximate land area of rainfed rice fields covering about 5,000 hectares. The purpose of this research is (1) to analyze the knowledge of rainfed rice farmers in Lubuk Seberuk Village, Ogan Komering Ilir Regency, South Sumatra, (2) to analyze …
The productivity of palm oil is projected to continue increasing annually in line with the growing global demand for vegetable oil. Consequently, the generated palm oil mill effluent (POME) is also expected to rise. However, addressing the significant potential of this liquid waste has become a crucial concern for companies striving to maintain environmental stability. Processing such waste in …
Arthrospira platensis is a type of planktonic filamentous cyanobacterium composed of individual cells. It contains protein, polyunsaturated fatty acids, phycobiliproteins, carotenoids, polysaccharides, vitamins, and minerals. One of the most important things related to the growth of Arthrospira platensis in wastewater is the development of simple technology to produce it for animal or human fee…
Wastewater drainage is a channel employed to collect and dispose of wastewater from bathrooms, laundry, and kitchens. The large amount of household waste in the surrounding environment is due to the community's relatively low awareness and behavior regarding healthy living. Most people living in rural areas still dispose of household wastewater from activities such as bathing, washing, and usin…
Tuan Kentang's home-based Batik Jumputan industry is well-known as a center for Batik Jumputan production in Palembang, operating on a household scale. It has been found that most small-scale batik industries have not implemented wastewater management due to a lack of knowledge, awareness, and weak regulations, which can cause environmental pollution to impact public health. This study aims to …
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 research was conducted at PT Sumatra Prima Fibreboard, which is one of the industries engaged in plywood processing, namely Medium Density Fiberboard (MDF), where the company's production and activities produce hazardous and toxic waste (B3). This research aims to determine the management of B3 waste from PT. Sumatra Prima Fiberboard (PT. SPF) Ogan Ilir Regency, South Sumatra Province in a…
Nanosilica is silica with a nanoscale size ranging from 1 to 100 nm, which serves to enhance the compressive strength of concrete. Nanosilica can be synthesized from kaolin waste. The materials used in this study include kaolin and a high-energy milling machine as a milling tool. The research applied variations in milling duration for 2, 3, and 4 hours. Microstructural testing methods, includin…
This research aims to determine the level of effectiveness of kiambang plant (Salvinia molesta) phytoremediation in reducing the color content of liquid waste from the jumputan fabric industry. This research was carried out from January to February 2024 at the Biology Education Laboratory, Sriwijaya University. This research is a type of quantitative experimental research using a Completely Ran…
This research uses rubber fruit shells as raw material for making hydrochar. Hydrochar was activated using 5% KOH and modified using Zn(OH)2. This research calculated the rhodamine B adsorption process using the shaker method and sonication method. The optimum conditions for adsorption of rhodamine B by hydrochar – Zn(OH)2 were determined based on variations in adsorbent mass, concentration o…
This research aims to determine the level of effectiveness of phytoremediation of catfish eye plants (Lemna minor L.) in reducing the color content of liquid waste from the jumputan industry. The research process was carried out from August to December 2023 at the Biology Education Laboratory, Sriwijaya University. This research is a type of quantitative experimental research using a Completely…