Synthetic plastic takes a long time to decompose and contributes environmental pollution. Edible films made from cassava starch have the potential be an eco-friendly solution as biodegradable food packaging. This study aims evaluate characteristics of edible with addition glycerol sorbitol plasticizers. The research methods included literature review experiments by combining various weights volumes sorbitol. Physical such thickness, tensile strength, elongation were tested. results showed...

This study aims to synthesize SiO2 gel-based adsorbents using the sol-gel method from Mount Semeru volcanic ash through varying concentrations of sodium hydroxide and acid catalysts determine its adsorption capacity on nickel (Ni(II)). Volcanic was obtained Lumajang District, East Java, Indonesia. The silica gel adsorbent made with different amounts NaOH (1.0 M, 2.0 3.0 4.0 M) (acetic hydrochloric acid). First, (SiO2) extracted ash, then process used manufacture adsorbents. analyzed X-ray...

Increasing wheat flour consumption makes increasing of import value in Indonesia. Wheat has good nutritions, sufficient gluten compound, high glucose and glycemic index. Therefore, substituting with sorghum (local crop) which free, a low index value, can overcome food security problem However, it phytic acid tannin (antinutrients). This study focuses on the reduction antinutrients by three processes (fermentation treatment using lactic bacterias (LAB), including Lactobacillus bulgaricuss,...

A thickener such as gelatin is essential in increasing viscosity and forming a gel system. Nowadays, one of the most popular thickeners food, pharmacy, cosmetic products. Animal skins which lead to halal issues are still common sources gelatin. Crude konjac flour (CKF) sourced from porang tubers has high degree purity glucomannan (GM) potential substitute for animal skins. Moreover, use KGM also supports national programs processing agricultural products into finished ready export. This...

Sodium Silicate is a chemical compound that has properties such as water glass colorless, soluble in water, and widely used industry. Therefore, the extraction of sodium silicate by alkaline fusion followed leaching. The process technique often can further simplify process. purpose this research general to obtain optimum conditions for from Sidoarjo mud an alkali Na2CO3. effect various experimental on been studied. These variables include amount used, reaction temperature, length time....

Spodoptera litura is an agricultural pest that attacks almost all types of herbaceous plants, especially vegetable commodities. causes serious damage during the immature or larval stage. The attack larvae can cause significant losses to farmers. To deal with these pests, they still use chemicals have a negative effect on environment. Therefore, good solution required by utilizing biological agents control insect pests. It alternative strategy more environmentally friendly than chemical...

Microbial Fuel Cell (MFC) are the one of utilization waste for renewable energy continues to be developed. According FAO, 32% all food human consumption is discarded about 1.3 billion tonnes per year. In this study, Cells used an organic source in form that had been hydrolyzed by Aspergillus oryzae, aculeatus, and Candida rugosa. The results hydrolysis entered into MFC system. system it mixed with Sidoarjo mud Shewanella oneidensis MR-1, then put a Single Chamber microbial fuel cell (SC-MFC)...

The limited supply of fossil fuels towards carbon neutrality has prompted massive efforts to replace fuel vehicles with electric vehicles. This research investigates the recovery lithium in leaching solutions through solvent extraction experiments using several experimental parameters such as ratio, time, concentration, type diluent and stirring speed. Lithium Sidoarjo mud been carried out a hydrometallurgical process followed by extraction. used is Di-(2-ethylhexyl) phosphoric acid (D2EHPA)...

Pemerintah terus berupaya mendorong Indonesia untuk menjadi produsen produk halal. Salah satunya dengan cara membuat regulasi yakni Undang-Undang Nomor 33 Tahun 2014 dan 11 2020 tentang Cipta Kerja mengamanatkan sebuah Peraturan Pemerintah. PP 39 tahun 2021 Penyelenggaraan Jaminan Produk Halal (JPH). satu penting adalah berubahnya sifat sertifikasi halal yang semula voluntary (sukarela) bagi pelaku usaha, kini telah berubah mandatory (wajib). Disisi lain, Kampus Merdeka, proses pembelajaran...

<abstract> <p>Carcinogenic hexavalent chromium is increasing worldwide due to the increased electroplating, welding and textile industry. On other hand, molasses, sugar factory's byproduct with high organic compounds (sugars), may pollute environment if it not processed. However, microbial fuel cell (MFC) seems be a promising technology its ability produce electrical energy from pollutant degradation using microbes while reducing trivalent less toxicity. Carbon felt was used at...

Alternative energy sources to substitute fossil-based is expected, as the fossil reserves decreasing every day. Mud considered be economical material for generating electricity where it could found easily and abundantly in Indonesia. The existence of a lot mud that contains organic has great potential source electrical using microbial fuel cells (MFCs). It provides promising technology by degrading compounds yield sustainable energy. different sampling sites were determined find out...

The complex organic-rich nature and nutrients of food waste (FW) can be converted into bioelectricity.This research investigated the hydrolysis FW by three types microorganisms, produced electricity removed pollutants using a Single Chamber Microbial Fuel Cell (SC-MFC).FW was first diluted with water at different ratios (ᴡ/ν) 2:1, 1:1 1:2 blended, then, hydrolysed Aspergillus aculeatus, oryzae, Candida rugosa.DNS reagent used to analyse glucose production.The hydrolysate mixed Sidoarjo mud...

Abstract Chromium (Cr) and manganese (Mn) are heavy metals which have high oxidation potential cause mutagenesis carcinogenic to living organisms. Microbial Fuel Cell (MFC) appears as one of the applications in processing Cr Mn metals. MFC is bioreactor converts chemical energy organic compounds into electrical through catalytic reaction microorganisms anaerobic conditions. The aim this research find out role Shewanella oneidensis MR-1 bacteria on manufacture by utilizing wastes,...

Abstract To increase sidewalks in Indonesia there are several things that must be considered, such as aggregate quality, implementation methods and asphalt quality. The amount of waste plastic at this time the years to come, can reprocessed, one them is by using it an additive technique making concrete. It expected a complex problem related piles turned into opportunity build acceleration quality concrete roads Indonesia. method used for research wet process, which direct mixing material...

To investigate an effect of connection type in series and parallel on electric power generation, a microbial fuel cell using mud (MMFC) was constructed by 4 pieces anode one cathode with external resistance. The maximum current observed at the MMFC ca. two times larger than that MMFC, although voltage did not depend type. As result, showed higher MMFC. Each anodic potential depended connecting order, when resistance value used close to internal

Abstract Increasing issue of returning to nature, the presence organic fertilizer is one things required in agriculture sector. The liquid fertilizer, it expected have a positive impact on plants and soil. Moreover, manufacturing process, was utilizing wastes. made by mixing waste from micro-businesses that produce porridge (old coconut water) side product sugar factory (molasses). Seven litter solutions were mixed using bioreactor equipped with impeller for 8 incubation days. isolated...

Limbah merupakan sisa hasil dari sebuah proses atau usaha yang tidak dapat digunakan kembali serta memberikan efek negative terhadap lingkungan. Dalam keseharian, UMKM Jenang Murni di Ponorogo, menghasilkan limbah air kelapa sebanyak 30–40 liter dan cair tersebut hanya dibuang ke Hal ini, tentu akan menyebabkan permasalahan Di sisi lain, kebutuhan harga pupuk semakin meningkat mahal, sebagai upaya untuk mencegah kerusakan tanah akibat penggunaan anorganik. Tuntutan mengurangi pencemaran...

Makanan dan minuman merupakan kebutuhan dasar manusia. Seiring perkembangan zaman, sentuhan kreatifitas inovasi yang mengikuti selera konsumen pasar mewujudkan suatu produk dengan potensi usaha tersendiri. Seluk beluk mengenai bahan baku, peralatan, tenaga kerja sebagai komponen biaya produksi menumbuhkan motivasi untuk memulai merintis usaha. Tentunya, disertai kolaborasi antara pengusaha stake holder terutama terkait perijinan, sertifikasi CPPOB, HALAL. Ketiga hal tersebut keunggulan...

The abundance of coconut water as a waste household industry activities in Ponorogo can be obtained. There is still organic matter considered to become liquid fertilizer where it expected substitute for the use inorganic fertilizers. research aims determine potential involving three types microorganisms, such Aspergillus niger, Pseudomonas putida and Effective Microorganisms (EM4). experiment was conducted using mixed bacth reactor with 4 L/ minute aeration rate initial microorganism`s...

Increased use of coal has an impact on the environment because waste from combustion residual. It also management due to limited land for temporary storage owned by user industry. In Government Regulation Republic Indonesia Number 22 2021 concerning Implementation Environmental Protection and Management, fly ash bottom are registered as non-hazardous waste. The addition planting medium can affect soil fertility biota in soil. number heavy metals contained which is added depends amount so...

Sidoarjo mud contains potentially valuable minerals, the largest content of which is silica. Silica decomposition from can be done by using alkaline fusion method. The purpose this study recovery silica against variations in Na 2 CO 3 time. Stages mass ratio 1:3 inserted into furnace at a temperature 700°C with long time 1:1.5;2;2.5; and hours. Based on calculation results, best % occurred for hours, was 48.3%. It concluded that affect

Microbial fuel cells (MFCs) represent an avenue for harnessing renewable energy from waste substrates; however, their capacity electrical generation remains limited. Therefore, numerous investigations have sought to improve this capability through various modifications, including alterations the anode, cathode, and chamber configuration. The supplementation of metal ions, such as Cr, Co, Cu, micronutrients has emerged effective method MFC performance. This study aimed investigate effects...

Abstract⎯ Production of Crude Palm Oil (CPO) generates waste, one which is Empty Fruit Bunch (EFB).EFB has a high potential for further utilization due to its carbon and nitrogen content.The abundant content can be utilized processed into value-added product such as biochar.This study investigates the influence solid waste mixtures from various parts oil palm effect temperature on biochar production.A simple furnace pyrolysis method was chosen production.The produced subsequently applied...