Ganjar Saefurahman

ORCID: 0000-0003-1822-4136
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About
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Research Areas
  • Algal biology and biofuel production
  • Nanocomposite Films for Food Packaging
  • Advanced Cellulose Research Studies
  • Subcritical and Supercritical Water Processes
  • Biodiesel Production and Applications
  • Thermochemical Biomass Conversion Processes
  • Aquaculture Nutrition and Growth
  • Innovations in Aquaponics and Hydroponics Systems
  • Agriculture and Agroindustry Studies
  • Anaerobic Digestion and Biogas Production
  • Catalysts for Methane Reforming
  • Microbial metabolism and enzyme function
  • Sustainable Supply Chain Management
  • Lignin and Wood Chemistry
  • Wastewater Treatment and Nitrogen Removal
  • Community-based Tourism Development and Sustainability
  • Light effects on plants
  • Composting and Vermicomposting Techniques
  • Dyeing and Modifying Textile Fibers
  • Aquatic life and conservation
  • Biocrusts and Microbial Ecology
  • Agricultural and Environmental Management
  • Food Waste Reduction and Sustainability
  • Minerals Flotation and Separation Techniques
  • biodegradable polymer synthesis and properties

IPB University
2015-2024

Murdoch University
2024

Waterford Institute of Technology
2020

Abstract The production of microalgae biomass is very promising as an alternative sustainable food, feed, high value biochemical, and 3 rd generation biofuel. However, the use for biofuel still considered less feasible at this time. main obstacle scale up production, processing costs low efficiency using conventional system. Therefore, advanced digital technology such sensors, automation applications Internet Things (IoT) was applied in study. This research aimed to develop a Smart Algae...

10.1088/1755-1315/749/1/012068 article EN IOP Conference Series Earth and Environmental Science 2021-05-01

The harpacticoid copepod Tigriopus californicus has been recognized as a model organism for the study of marine pollutants. Furthermore, nutritional profile this is interest to aquafeed industry. Part lies in fact that produces astaxanthin, an essential carotenoid salmonid aquaculture. Here, we first time stereochemistry astaxanthin produced by copepod. We cultured T. with different feeding sources and used chiral high-performance liquid chromatography diode array detection (HPLC-DAD)...

10.3390/md18100506 article EN cc-by Marine Drugs 2020-10-05

Agriculture involves more than just increasing production. For the agricultural sector to be stimulated, a substantial number of agroindustries must developed. The demand for raw materials will rise due agroindustries, resulting in favourable selling prices farmers. Farmers inspired raise quality and quantity their products satisfy market demands industry standards. On other hand, sustainability has become concern agriculture food supply chain. new concept circular economy green chain offers...

10.1063/5.0184725 article EN AIP conference proceedings 2024-01-01

Abstract Vermicompost is an organic fertilizer produced from waste with the support of earthworms. The type earthworm commonly used Lumbricus rubellus . Organic that can be to produce vermicompost includes coffee grounds, cow manure, and agricultural waste. In this study, effects amount medium, number worms, composting time on production spent grounds was examined. different concentrations also tested grow Aglaonema flowers. results showed factors affecting were amounts time, worms. linear...

10.1088/1755-1315/1354/1/012011 article EN IOP Conference Series Earth and Environmental Science 2024-06-01

Chlorella sp. is microalgae species that commonly found in seawater. biomass have been produced worldwide and considered as sources for commercial high value bioproducts biofuels the last few decades. However, its microscopic size negatively charged cell surface causes difficulties of harvesting process or separation from culture medium. The common techniques are centrifugation, filtration, flocculation. determination efficient methods was background this study to lower cost harvesting. In...

10.1088/1755-1315/209/1/012014 article EN IOP Conference Series Earth and Environmental Science 2018-12-19

Growth of Nannochloropsis sp. was observed in laboratory cultivation condition with enrichment cassava hydrolysate into culture medium as follow : 25 ml microalgae strain, 75 seawater, without (A); hydrolysate, 50 seawater (B), (C). Cultivation fixed temperature 29°C, pH 8, and salinity 30 ‰. Microalgae performed at Surfactant Bioenergy Research Center using 100 Erlenmeyer covered by black plastic to prevent the influence light. The specific growth rate 7 days for different composition....

10.20884/1.oa.2015.11.2.35 article EN cc-by Omni-Akuatika 2015-11-01

Abstract Chlorella sp. is a microalga with size of less than 30 μm that requires dewatering process to separate its biomass from the culture media, for instance using flocculation method. In this study, chitosan nanoemulsion was used as bioflocculant. The aim study investigate effectiveness harvesting varied doses and predetermined pH levels. bioflocculant dose affected amount recovered during process. results showed treatment at 9 2 gL −1 achieved highest efficiency 98.7%. characterization...

10.1088/1755-1315/460/1/012005 article EN IOP Conference Series Earth and Environmental Science 2020-03-01

Abstract The use of microalga Spirulina is developing rapidly in the industry. biomass widely used food, pharmaceutical and cosmeceutical industry because it rich biochemicals antioxidants that are beneficial to human health. This study aimed determine biopigment contents S. platensis examine sequences continuous extraction process obtain optimal yields. Biopigments extracted this were total chlorophyll 52.28 μg/mL (25.28 a 27 b), carotenoid 7.9 phycocyanin 0.020 mg/L. In addition...

10.1088/1755-1315/749/1/012005 article EN IOP Conference Series Earth and Environmental Science 2021-05-01

Abstract This research was conducted to synthesize biodegradable plastic films from chitosan and glycerol with the addition of cellulose nanowhiskers as a reinforcing agent. Cellulose synthesis coconut husks carried out 3 phases, i.e., pre-treatment, bleaching, sulphuric acid hydrolysis concentration 55%. The result in form needle-like an average 223.6 nm particle size crystallinity index 34.27% were shown through results FTIR, SEM, PSA, XRD. Plastic film made by blending method, which...

10.1088/1755-1315/1354/1/012028 article EN IOP Conference Series Earth and Environmental Science 2024-06-01

Abstract This study investigates the effects of percentage cellulose nanocrystals (CNC) on chitosan film for wrapping chili peppers during storage at room temperature 12 days. The chitosan-CNC film’s characterization was analyzed by SEM, FTIR, and physical properties were measured based tensile strength, percent elongation, water solubility, degradation rate. research used a randomized design with four treatments two replications. in this E0 = control, E1 CNC 1 %, E3 3 E5 5 % E10 10 %....

10.1088/1755-1315/749/1/012028 article EN IOP Conference Series Earth and Environmental Science 2021-05-01

Abstract The main objective of this study was to determine whether vermicompost can be used as an organic pond fertilizer improve water quality and survival rate catfish fry ( Clarias sp.). experiment conducted for 4 weeks (28 days) with duplicates in two ponds. control (pond C) did not apply any vermicompost, while the treated V) administered by vermicompost. Vermicompost dose 2.56 g/L found a suitable fry. results showed that total nitrogen content decreased from 0.45 mg/L 0.25 mg/L. In...

10.1088/1755-1315/749/1/012002 article EN IOP Conference Series Earth and Environmental Science 2021-05-01

Abstract Indigo is a natural blue dye produced from the leaves of Indigofera plant, which environmentally friendly and non-carcinogenic. This study aimed to determine reduction potential value molasses brown sugar as reducing agents, examine effect hydrochloric acid concentrations aeration time on amount indigo, test fastness rubbing against solar heat, dry, wet silk fabrics that were dyed by indigo with various fixators. To extract dye, Indian glycosides contained in hydrolyzed indoxyl...

10.1088/1755-1315/1187/1/012014 article EN IOP Conference Series Earth and Environmental Science 2023-05-01

Abstract Microalgae is a promising source of superior biomass for sustainable food sources, high value products, and 3 rd generation biofuel. The main factors affecting growth, carbon fixation production microalgae are species type, CO 2 supply, nutrients, light, temperature, pH mixing. This paper discusses the precision farming approach in using Cellular Automata Machine modeling, i.e., Probabilistic Automata. decentralized computing model that provides useful platform to complex dynamic...

10.1088/1755-1315/1034/1/012017 article EN IOP Conference Series Earth and Environmental Science 2022-06-01
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