Results 61 to 70 of about 9,510 (198)

Acidic modification of natural stone for Remazol Black B dye adsorption from aqueous solution- central composite design (CCD) and response surface methodology (RSM). [PDF]

Heliyon, 2023
Soleimani H, Sharafi K, Amiri Parian J, Jaafari J, Ebrahimzadeh G.   +4 more
europepmc   +1 more source

Investigation of MnO₂ nanoparticles-anchored 3D-graphene foam composites (3DGF-MnO₂) as an adsorbent for strontium using the central composite design (CCD) method

New Journal of Chemistry, 2019
Strontium-90 is one of the dangerous fission products generated during electricity production in nuclear reactors and the separation of this radionuclide from contaminated water is an important step in safeguarding human health and minimizing the impact on the environment.
Sibel Kasap, Emine Nostar Aslan, İbrahim Öztürk   +2 more
openaire   +3 more sources

THE INFLUENCES OF NATURAL GAS IMPURITIES TO THE SURFACE TENSION OF BLENDED PIPERAZINE-N-METHYLDIETHANOLAMINE (MDEA) SOLUTION

Reaktor, 2012
This study focuses on the effect of impurities in the natural gas stream on the characteristic of surface tension in the blended piperazine and MDEA solution.
Iwan Ratman, Ahmad Fauzi Ismail
doaj   +1 more source

Central composite design (CCD)-Response surface methodology (RSM) for modeling and simulation of MWCNT-water nanofluid inside hexagonal cavity: Application to electronic cooling

, 2023
Jianfeng Wang, Shan Ali Khan, Sumeira Yasmin, Mohammad Mahtab Alam, Haihu Liu, Umar Farooq, Ali Akgül, Ahmed M. Hassan   +7 more
openalex   +1 more source

Optimization of Protease Activity by Bacillus haynesii BK1H Using Response Surface Methodology [PDF]

E3S Web of Conferences
Proteases are enzymes that catalyze the hydrolysis of peptide bonds into oligopeptides and amino acids. Previous bacterial studies reported that eight proteolytic isolates had been isolated from Bledug Kuwu mud, Central Java.
Septianingrum Wildanna Rohma, Sanjaya Eli Hendrik, Alvionita Mieke, Suharti Suharti   +3 more
doaj   +1 more source

Formulation optimisation for pilot-scale honey powder production: A response surface methodology and central composite design approach

Czech Journal of Food Sciences
This research aimed to optimise a pilot-scale formulation for seamless scale-up, considering critical variables such as the honey-to-maltodextrin ratio, temperature, and drying time.
Angelina Risky Maharani, Lilik Eka Radiati, Agus Susilo, Firman Jaya, Anang Lastriyanto, Dewi Masyithoh   +5 more
doaj   +1 more source

Optimization of Process Parameters of Extraction of Amentoflavone, Quercetin and Ginkgetin from Taxus chinensis Using Supercritical CO2 Plus Co-Solvent

Molecules, 2014
The effects of extraction time, temperature, pressure and different concentration of ethanol and their interactions on the yields of amentoflavone, quercetin and ginkgetin extracted from Taxus chinensis by supercritical CO2 were investigated by using a ...
Xiao Ruan, Liu-Ye Yan, Xian-Xian Li, Ben Liu, Huan Zhang, Qiang Wang   +5 more
doaj   +1 more source

Optimization of Fe Leaching Method for Indonesia Laterite Rocks using Experiment Design Central Composite Design (CCD)-Response Surface Methodology (RSM)

IJCA (Indonesian Journal of Chemical Analysis)
This study's goal is to maximize the soil's iron revocation process by exploiting the CCD (Central Composite Design) and RSM (Response Surface Method) experimental designs. Kendari, Kolaka, and Southeast Sulawesi are the laterite rocks used in this study. XRF testing is used to identify the mineral components contained in laterite rocks.
Alifah Hernanda, Rasikha, Fakhri Izzul Haq, Muhammad, Suprapto, Suprapto, Lailun Ni’mah, Yatim   +3 more
openaire   +3 more sources

Sustainable lactic acid production: Optimization yield from sugarcane and beet molasses through fermentation

Results in Engineering
Lactic acid (LA) is an important organic acid used in various applications and is mainly produced by microbial fermentation. This study improves the production of LA from sugarcane and sugar beet as feedstock.
Nahla M. Salatein, Rawan K. Hassan, Rana Adel Ibrahim, Said E. Desouky, Ehab F. El-Belely, Mohamed Ali Abdel-Rahman, IreneS. Fahim   +6 more
doaj   +1 more source

Statistical optimization of media components to enhance citric acid production from paddy straw using solid state fermentation

Croatian Journal of Food Science and Technology, 2011
A sequential optimization based on experimental design method was employed to optimize the concentration of media components for improvement of citric acid production from paddy straw by solid state fermentation using Aspergillus niger.
M. M. D. Zulkali, Hayder Kh. Q. Ali
doaj