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All Journal Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE)
Novel Karaman
Master of Environmental Science, Engineering Faculty, Universitas Pembangunan Nasional "Veteran" Jawa Timur, Surabaya 60294, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology

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Crystallization of Barium Sulfate with Magnesium Chlorite and Calcium Chlorite Additives Novel Karaman; Susilowati; Gerri Adhit Fachriansyah; Reffi Allifyanto; A. P. Bayuseno
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2720

Abstract

Barium sulfate scale grew on industrial oil equipment make damaged either in injection or producing wells. A series of experiments were performed to estimate the precipitation rate of barium sulfate in laboratory equipment from brines containing the concentration of barium ions (3500 ppm) and varying concentrations of calcium and magnesium ions (10 and 20 ppm). Additionally, stirring speeds (240 and 480 rpm) affecting the crystallization of barium sulfate scales were also studied through kinetic analysis. At a certain stirring speed, the precipitation of the barium sulfate scale decreased since its solubility increased with increasing concentrations of Ca and Mg-cations, as indicated by changes in constant rate values. All solid crystals obtained from experiments contained mainly pure barite as validated by X-Ray Diffraction (XRD) method. The SEM micrograph for the morphology of barite showed particles with prismatic and tabular-shaped crystals on the order of 2 to 5 µm particles. The kinetic results provided a general reaction rate equation that can predict barium sulfate deposition in the reservoir for a given brine, supersaturation, and time durations of mixing.
Characteristics Biobriquettes from Mushroom Baglog Waste Carbonization Production Ika Nawang Puspitawati; Kindriari Nurma Wahyusi; Sintha Soraya Santi; Suprihatin; Erwan Adi Saputro; Novel Karaman
International Journal of Eco-Innovation in Science and Engineering (IJEISE) Vol. 4 No. 1 (2023): IJEISE
Publisher : International Journal of Eco-Innovation in Science and Engineering (IJEISE)

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Abstract

Bio briquette is a briquette based on agricultural waste because it is deliberately made from biomass charcoal. The utilization of agricultural waste such as mushroom planting media to be processed as bio briquette requires a very cheap cost. Bio briquettes that are processed properly and correctly, will produce high-quality briquettes. The purpose of this study was to produce a biobriquette from baglog mushroom waste and to determine the characteristics of the biobriquette. The research material used consisted of 400 grams of mushroom baglog waste and 40 grams of starch as adhesive. The briquette dough is then printed cylindrical. The printed briquettes are then heated at 80°C for 5 hours to reduce the moisture content. The result of smoke test is the smoke will stop in 17 seconds with the color of the smoke is white. The Combustion of speed test, the results obtained are 0,0019 gram/second with an initial sample weight of 2, 4 grams and burning for 20 minutes 35 seconds with a final sample weight of 0,387 grams. The result of ash content is 0.16%. This result is in accordance with the SNI issued by our government. SNI of ash content is max 8 %.
Co-Authors A. P. Bayuseno Erwan Adi Saputro Gerri Adhit Fachriansyah Ika Nawang Puspitawati Kindriari Nurma Wahyusi Reffi Allifyanto Sintha Soraya Santi Suprihatin Susilowati