Results 11 to 20 of about 47,788 (297)
Journal of Environmental Management, 2011 Hexavalent chromium is frequently found in industrial effluents as a result of the industrial applications of this compound and its anti-corrosive features. However, hexavalent chromium is extremely toxic, and its discharge in water is regulated, with a maximum limit of 0.1 mg/L in accordance with legislation established by CONAMA-Brazil (no.
Dalcin, Maurielem Guterres +5 more
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Jurnal Teknik Kimia dan Lingkungan, 2023 Response Surface Methodology-Central Composite Design (RSM-CCD) is widely employed in the process of optimizing the applications of coagulants for wastewater treatment.
Andi Baso Pangeran +2 more
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Correlation of catalytic temperature and bio-oil using the catalytic microwave pyrolysis method for cellulosic biomass [PDF]
Journal of Electrical and Electronics Engineering, 2021 This paper presents the influence of catalytic temperature on cellulosic biomass with the catalytic microwave pyrolysis technology. A central composite experimental design (CCD) was employed to investigate the effects of catalytic temperature and inverse
SLOVAC Francisc +5 more
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Electrodeposition of Composite Coatings of Cu/AlO(OH) Using Allyl Alcohol as an Additive [PDF]
Materials Research, 2017 In this work, composite coatings of Cu/AlO(OH) were produced by electrodeposition on steel substrates using a pyrophosphate-based bath containing allyl alcohol as an additive.
Thaís Guimarães de Lima Rezende +3 more
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Design and Performance Evaluation of a Multi-Point Extrusion Walnut Cracking Device
Agriculture, 2022 The practical problems of existing methods of walnut cracking under compression loading, including incomplete walnut-shell crushing, broken walnut kernels, and so on, are widespread in walnut processing and are constraints that hinder mechanized walnut ...
Hong Zhang +5 more
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Split-Plot Central Composite Designs Robust to a Pair of Missing Observations
Journal of Applied Sciences and Environmental Management, 2018 This study constructs robust split-plot central composite designs against missing pairs of observations. Split-plot central composite designs (CCD) consist of factorial (f), whole-plot axial (α), subplot axial (β), and center (c) points. A loss function
Y. Yakubu, AU Chukwu
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Pectinase Production by Aspergillus niger and Its Applications in Fruit Juice Clarification
Journal of Pure and Applied Microbiology, 2022 Pectinases (EC 3.2.1.15) are a class of enzymes that catalyze the depolymerization or de-esterification reactions that degrade pectic substances.
Vrushali Wagh +4 more
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Scientia Agropecuaria, 2012 The aim of this study was to develop a high acceptability mixed nectar and low cost. To obtain the nectar mixed considered different amounts of passion fruit, sweet pepino, sucrose, and completing 100% with water, following a two-stage design: screening (
Enrique López Calderón +4 more
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Journal of Natural Fibers, 2022 This paper presents an experimental study on the low-velocity impact behavior of hemp and jute fiber-reinforced epoxy composite. The Compressive After Impact (CAI) properties of composites post-impact are used for analysis. The type of damage and area of
Shreekant Patil +5 more
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Growth of microalgae Scenedesmus sp in ethanol vinasse
Brazilian Archives of Biology and Technology, 2014 This study evaluated the feasibility of using vinasse as a nutrient source for microalgae cultivation. The Scenedesmus sp was grown in a medium supplemented with vinasse and process variables were optimized using a factorial design and a Central ...
Nelzy Neyza Vargas Ramirez +2 more
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