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Littérature scientifique sur le sujet « RSM-BBD »

Auteur : Grafiati

Publié le 16 janvier 2024

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Articles de revues sur le sujet "RSM-BBD"

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Nayeemuddin, Mohammed, PUGANESHWARY PALANIANDYA, Feroz Shaik, and Hiren Mewada. "EXPERIMENTAL AND COMPUTATIONAL ANALYSIS FOR OPTIMIZATION OF SEAWATER BIODEGRADABILITY USING PHOTO CATALYSIS." IIUM Engineering Journal 24, no. 2 (2023): 11–33. http://dx.doi.org/10.31436/iiumej.v24i2.2650.

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Seawater pollution is a significant global environmental problem. Various technologies and methods have been used to remove the contaminants found in saltwater. This experimental study investigates the degradation of contaminants present in seawater using solar photocatalysis, where a combination of TiO2 and ZnO was used. The effects of catalyst dosage, pH, and reaction duration were assessed using percentage removal efficiencies of total organic carbon (TOC), chemical oxygen demand (COD), biological oxygen demand (BOD), and biodegradability (BOD/COD). Biodegradability is essential for removin

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Jawad, Ali, Mohd shafiq Bin Aazmi, and Ali Jawad. "Statistical Optimization for Dye Removal from Aqueous Solution by Cross-linked Chitosan Composite." Science Letters 14, no. 2 (2020): 1. http://dx.doi.org/10.24191/sl.v14i2.9537.

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Response surface methodology-Box–Behnken design (RSM-BBD) was employed to optimize the methyl orange (MO) dye removal efficiency from aqueous solution by cross-linked chitosan-tripolyphosphate/nano-titania composite (Chi-TPP/NTC). The influence of pertinent parameters, i.e. A: TiO2 loading (0- 50 %), B: dose (0.04-0.14 g), C: pH (4-10), and D: temperature (30-50 oC) on the MO removal efficiency were tested and optimized using RSM-BBD. The F-values of BBD model for MO removal efficiency was 93.4 (corresponding p-value < 0.0001). The results illustrated that the highest MO removal efficiency

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Oramahi, Hasan Ashari, Tsuyoshi Yoshimura, Elvi Rusmiyanto, and Kustiati Kustiati. "Optimization and Characterization of Wood Vinegar Produced by Shorea laevis Ridl Wood Pyrolysis." Indonesian Journal of Chemistry 20, no. 4 (2020): 825. http://dx.doi.org/10.22146/ijc.45783.

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In this study, the Box-Behnken Design (BBD) was employed to investigate the effects of wood particle size, pyrolysis temperature, and pyrolysis time on the production of wood vinegar from Indonesia “bengkirai” wood (Shorea laevis Ridl). Characterization of wood vinegar was conducted by gas chromatography-mass spectrometry (GC-MS). Three variable designs consisting of wood particle size (2.00, 2.38, and 3.36 mm), pyrolysis temperature (350, 400, and 450 °C), and pyrolysis time (105, 120, and 135 min) were employed in a BBD response surface methodology (RSM-BBD). RSM-BBD results suggested that m

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Barah, Obinna O. "Estimating the Tensile Strength Properties of Plantain Fiber Ash Particulate and Silumin using Box-Behnken Design." IDOSR JOURNAL OF SCIENCE AND TECHNOLOGY 9, no. 2 (2023): 100–106. http://dx.doi.org/10.59298/idosr/jst/03.1.12008.

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This study utilizes response surface methodology (RSM) to estimate the engineering parameters of PFAP/silumin composites. The tensile strengths of the developed composites were evaluated using a Box-Behnken design (BBD), considering factors such as weight fraction, particle size, soaking time, plantain fiber ash particulate concentration, and silumin. The results indicate that the weight fraction of fibers has the greatest influence on tensile strength, with interaction effects being more significant than linear and quadratic effects. The predicted tensile strengths of the PFAP/silumin composi

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Bhandare, Snehal B., and Kirti S. Laddha. "OPTIMIZATION OF EXTRACTION PARAMETERS FOR TOTAL FLAVONOIDS FROM GARDENIA GUMMIFERA GUM RESIN BY RESPONSE SURFACE METHODOLOGY." International Journal of Pharmacy and Pharmaceutical Sciences 8, no. 11 (2016): 64. http://dx.doi.org/10.22159/ijpps.2016v8i11.11134.

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Objective: To optimize the extraction parameters for determining the highest yield of Total Flavonoids from Gardenia gummifera gum resin.Methods: In the present study, response surface methodology (RSM) with three level Box Behenken design (BBD) was performed to optimize extraction parameters for total flavonoids. Solvent concentration(A), extraction time (B) and extraction temperature(C) were considered for single factor experiment.Results: The highest flavonoid concentration was obtained with acetone 45.00% v/v, time 101.46 min, temperature 41.57 °C. The average experimental TFC under optima

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Yu, Aixin, Yuankun Liu, Xing Li, Yanling Yang, Zhiwei Zhou, and Hongrun Liu. "Modeling and Optimizing of NH4+ Removal from Stormwater by Coal-Based Granular Activated Carbon Using RSM and ANN Coupled with GA." Water 13, no. 5 (2021): 608. http://dx.doi.org/10.3390/w13050608.

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As a key parameter in the adsorption process, removal rate is not available under most operating conditions due to the time and cost of experimental testing. To address this issue, evaluation of the efficiency of NH4+ removal from stormwater by coal-based granular activated carbon (CB-GAC), a novel approach, the response surface methodology (RSM), back-propagation artificial neural network (BP-ANN) coupled with genetic algorithm (GA), has been applied in this research. The sorption process was modeled based on Box-Behnben design (BBD) RSM method for independent variables: Contact time, initial

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Buasri, Achanai, Phensuda Sirikoom, Sirinan Pattane, Orapharn Buachum, and Vorrada Loryuenyong. "Process Optimization of Biodiesel from Used Cooking Oil in a Microwave Reactor: A Case of Machine Learning and Box–Behnken Design." ChemEngineering 7, no. 4 (2023): 65. http://dx.doi.org/10.3390/chemengineering7040065.

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In the present investigation, response surface methodology (RSM) and machine learning (ML) are applied to the biodiesel production process via acid-catalyzed transesterification and esterification of triglyceride (TG). In order to optimize the production of biodiesel from used cooking oil (UCO) in a microwave reactor, these models are also compared. During the process, Box–Behnken design (BBD) and an artificial neural network (ANN) were used to evaluate the effect of the catalyst content (3.0–7.0 wt.%), methanol/UCO mole ratio (12:1–18:1), and irradiation time (5.0–9.0 min). The process condit

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Nandiwale, Kakasaheb Y., Ashwini M. Pande, and Vijay V. Bokade. "One step synthesis of ethyl levulinate biofuel by ethanolysis of renewable furfuryl alcohol over hierarchical zeolite catalyst." RSC Advances 5, no. 97 (2015): 79224–31. http://dx.doi.org/10.1039/c5ra13520f.

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Response surface methodology (RSM) with Box–Behnken experimental design (BBD) demonstrated Hierarchical-HZ-5 as potential catalyst for ethanolysis of renewable furfuryl alcohol to ethyl levulinate biofuel with 99% FAL conversion and 73% EL yield.

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Huiqing, Zhang, Ye Chunsong, Zhang Xian, Yang Fan, Yang Jun, and Zhou Wei. "Optimization of photo-Fenton process of RO concentrated coking wastewater using response surface methodology." Water Science and Technology 66, no. 4 (2012): 816–23. http://dx.doi.org/10.2166/wst.2012.254.

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The objective of this study was aimed at investigating the removal of chemical oxygen demand (COD) from reverse osmosis (RO) concentrated coking wastewater by the photo-Fenton process. The optimum extraction conditions for the photo-Fenton process by Box–Behnken design (BBD) and response surface methodology (RSM) to establish a predictive polynomial quadratic model were discussed based on a single factor test. Optimized parameters validated by the analysis of variances (ANOVA) were found to be H2O2 concentration of 345.2 mg/L, pH value of 4.1 and reaction time of 103.5 minutes under ultraviole

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Luo, Meng, Jiao-Yang Hu, Zhuo-Yue Song, et al. "Optimization of ultrasound-assisted extraction (UAE) of phenolic compounds from Crataegus pinnatifida leaves and evaluation of antioxidant activities of extracts." RSC Advances 5, no. 83 (2015): 67532–40. http://dx.doi.org/10.1039/c5ra07445b.

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In this study, a highly efficient BBD–RSM optimized ultrasound-assisted extraction combined with HPLC method has been established for the simultaneous extraction and determination of CA, VG, VR, ORT, RT, VIT and HYP from Crataegus pinnatifida leaves.

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Thèses sur le sujet "RSM-BBD"

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GOYAL, ARCHITA. "ANALYSIS OF EXCAVATION SUPPORT SYSTEM WITH SOIL NAIL OF DIFFERENT PROFILES." Thesis, 2023. http://dspace.dtu.ac.in:8080/jspui/handle/repository/20433.

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Stabilizing excavations in various soil types involved the implementation of soil nailing, which entailed inserting reinforcement elements, such as nails, into the soil. Conventional soil nailing systems used straight nails, but newer systems utilized helical nails, featuring a twisted shape that offered enhanced stability and load-bearing capacity. Understanding the effectiveness of soil nailing systems required a thorough analysis of their behavior under different conditions. This study's primary aim was to compare and analyze conventional soil nail (CN) and helical soil nailing (

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Chapitres de livres sur le sujet "RSM-BBD"

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Hassan, Mohamad Zaki, Siti Amni Roslan, Zainudin A. Rasid, Mohd Zuhri Mohamed Yusoff, S. M. Sapuan, and Firdaus Muhammad-Sukki. "Optimizing the Mercerisation Effect on the Mode I Fracture Toughness of Bambusa Vulgaris Bamboo Using Surface Response Method." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1374-3.ch006.

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Alkaline treatment is widely being promoted to treat natural fibres and improves the fibre bundle surface for better interlocking with the polymer matrix. The aim of this study is to optimize the merceration parameter including natrium hydroxide (NaOH) concentration, soaking and drying time for Bambusa Vulgaris bamboo using response surface methodology (RSM). Here, the treatment conditions were employed by the Box-Behnken design (BBD). The comparative study of the treated and untreated fibre on crack propagation behaviour, Mode I interlaminar fracture toughness (GIC) of the bamboo along the longitudinal direction test was carried out. Through the statistical analysis approach (ANOVA), it is suggested that bamboo treated with 1.5 wt.% concentration of NaOH is capable to reach the fracture toughness value up to 367.25 J/m2. It is also shown that all proposed variables for treatment in this study (i.e., the concentration of the NaOH is highly significant with the 2.85 hours of soaking and drying for 72.5 hours).

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Bajpai, Mukul, Samriddhi Sharma, and Surjit Singh Katoch. "Optimization Through Box-Behnken Design for Cr(VI) Degradation from Real Tannery Wastewater Using Graphite Electrode by Electrocoagulation." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde221008.

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The mitigation of tannery effluents is a rising issue owing to the complex mixture of contaminants and hazardous chemicals, mostly chromium. The disposal of tannery effluent into the various water sources such as ponds, lakes, rivers, etc., affects the ecosystem and aquatic lives. The current work scrutinizes the performance of EC unit for Cr(VI) degradation from real tannery effluent. The chromium removal efficiency was evaluated using an iron and graphite electrode in parallel arrangement (MP-P). The iron anode was employed to generate metal coagulant species whereas, graphite served as the cathode. Furthermore, based upon factors mainly pH, current density (CD), electrolysis duration and initial pollutant concentration, the process was statistically optimized using BBD-based response surface methodology (RSM). Optimization of all the four independent variables was determined to be pH = 5.27, CD = 6.26 mA/cm2, electrolysis time = 26.7 minutes and initial concentration = 133.62 mg/L respectively based on which maximum chromium removal efficiency of 89.12% was obtained. Residual, response, probability, 3D surfaces, and contour plots were determined using analysis of variance (ANOVA).

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Lu, Wenjun, Shuo Sun, Ziquan Wu, Wei Chen, Xu Zhang, and Deng Li. "Effect of Process Parameters on the Kerf Characteristics of Rail Cut by Abrasive Waterjet." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230133.

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Using Abrasive waterjet (AWJ) for rail treatment was first proposed by our research team. In order to further clarify the parametric response of AWJ on kerf characteristics including the top kerf width (ω), the kerf taper (θ) and the kerf depth (h), experiments were carried out on a section of the rail specimen in this study. Experiments were designed using the Box Behnken Design (BBD) method with three factors, which are waterjet pressure (P), traverse speed (TS) and standoff distance (SOD). The regression models were established to predict the kerf quality by using response surface methodology (RSM), and experimental verification was carried out. The results show that ω is most obviously affected by the SOD, while θ and h are most sensitive to TS. The predicted value of the model is basically consistent with the experimental value of the verification. The maximum error is less than 9%, and the average error is less than 6%, indicating that the established model can effectively predict the kerf characteristics of AWJ cutting rails.

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Kumar Singh, Bipul, Ankit Kumar Maurya, Sanjay Mishra, and Anjani Kumar Singh. "Parametric Analysis and Modeling of die-sinking Electric Discharge Machining of Al6061/SiC Metal Matrix Composite Using Copper Electrode." In Manufacturing and Processing of Advanced Materials. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815136715123010014.

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Aluminum-based metal matrix composites (MMC) are widely used in modern industries due to their lightweight, high strength, and superior hardness. In this study, silicon carbide (SiC) reinforced MMC has been fabricated using the stir casting method. Die-sinking EDM of fabricated MMC was performed using a copper (Cu) electrode. Experiments were carried out using the response surface methodology of box-behnken design (BBD) (RSM). The response surface plot was used to do parametric analysis on the effect of peak current (Ip ), gap voltage (Vg ), pulse-on-time (Ton), and duty factor(τ) on material removal rate (MRR) and surface roughness (Ra) using a second order regression model. The interaction effect of current with a pulse on time and duty factor has a substantial effect on MRR, while the interaction of current and voltage has a major impact on Ra, according to ANOVA. The increase of current increases both MRR and Ra. In the case of pulse-on-time, the value of Ra begins to decrease after 150 µs when the machining is performed at low voltage (40 V).

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Actes de conférences sur le sujet "RSM-BBD"

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Chew, See Khai, Wen Hui Teoh, Sok Lai Hong, and Rozita Yusoff. "Difference of Rutin Content in the Leaf of Male and Female Carica papaya Linn. using Microwave Assisted Extractive (MAE) Method." In International Technical Postgraduate Conference 2022. AIJR Publisher, 2022. http://dx.doi.org/10.21467/proceedings.141.14.

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The extraction of rutin from the leaf of male and female Carica papaya Linn. was conducted using Microwave Assisted Extractive (MAE) method. Box Behnken Design (BBD) was selected to design the experiment in order to achieve the objective of this paper. Response Surface Methodology (RSM) was chosen to monitor the relationship between extraction parameters and response. Parameters involved in this study were irradiation time, min (), ethanol concentration, % (), S/L ratio of papaya leaf/ethanol, wt./wt. (), and particle size, µm (). By using BBD and RSM, second order polynomial models were devel

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"Optimization of bioethanol production from papaya waste through fermentation using response surface methodology (RSM)." In Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-10.

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Abstract. There is a growing pressure for the development of sustainable and environmental-friendly source of energy such as ethanol that could substitute the depleting fossil fuels. Papaya waste including papaya seed and papaya peel is one of the main fruit wastes in Southeast Asia which has great potential to be utilized as substrate for bioethanol production. In this study, papaya waste was fermented to produce bioethanol using Saccharomyces Cerevisiae. The effect of pH, temperature, and incubation time on bioethanol production was studied within the range of 3.0-6.0, 25-45°C and 24-96 h, r

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Japtap, Shubhangi Ramling, Ameeta Ravikumar, Gouri Raut, and Ravi Kumar. "Statistical Optimization of Media for Enhancing Intracellular Lipid Content in Yarrowia Lipolytica NCIM 3589 Grown on Waste Cooking Oil for Biodiesel Production." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/yckc2922.

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The model oleaginous yeast Yarrowia lipolytica is capable of assimilating and metabolizing hydrophobic substrates and shown the ability to accumulate high amount of lipids for biodiesel production. In the present study, an effective hybrid RSM optimization strategy for media optimization for Yarrowia lipolytica NCIM 3589 grown on waste cooking oil (WCO) and glucose were undertaken to increase its lipid content for biodiesel production. Physico-chemical properties of varied WCO batches were determined and their effect on lipid accumulation in yeast studied. Low variation in lipid content was fo

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Jiang, Yan, Zhi Tao, Haiwang Li, and Zhiyu Zhou. "Shape Optimization of the Laidback Fan-Shaped Film Cooling Hole on Pressure Surface of Turbine Guide Vane." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-82358.

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Abstract The present study employed computational fluid dynamics (CFD) to explore the effect of the shape parameters of fan-shaped holes on film cooling effectiveness, and the optimum values and variation laws of each shape parameter to maximize the averaged film cooling effectiveness were presented. Meanwhile, experimental verification was used in the optimum holes and reference cylindrical holes. Among the shape parameters of a laidback fan-shaped film hole, the injection angle, the hole diameter and the hole length were fixed as 30 degrees, 0.5 millimeter and 2 millimeters, respectively, an

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