Application of response surface methodology to study the biological removal of nitrogen from effluent of cattle slaughterhouse in a sequencing batch reactor [PDF]
The aim of this study was to evaluate the efficiency of a sequencing batch reactor (SBR) on biological removal of nitrogen from cattle slaughterhouse wastewater by nitrification/denitrification processes.
Adriana N. de Lima +4 more
doaj +2 more sources
Design of simulation experiments using Central Composite Design
In the context of research and development, it is key to achieve accurate and reliable results. However, often to obtain these results, a large number of experiments must be performed, which can significantly extend the research time and increase computational requirements.
Milan Gregor +3 more
openaire +1 more source
Use of experimental design to evaluate the adsorption of chromium (VI) by alginate/polyaniline beads [PDF]
Low-cost decorated sodium alginate beads with polyaniline (Alg@PANI beads) were easily prepared using a cross-linking method, and employed for the adsorption of Cr(VI) from aqueous solutions.
Abdelmajid Belkhodja +4 more
doaj +1 more source
Cutout reinforcements for shear loaded laminate and sandwich composite panels [PDF]
This paper presents the numerical and experimental studies of shear loaded laminated and sandwich carbon/epoxy composite panels with cutouts and reinforcements aiming at reducing the cutout stress concentration and increasing the buckling stability of
Guo, Shijun J., Zhou, L., Cheung, C. W.
core +1 more source
Central composite design formulation batches with respective entrapment efficiencies.
Central composite design formulation batches with respective entrapment efficiencies.
Ritesh Bhole (14053487) +9 more
core +1 more source
The swine wastewater has the characteristics of high concentration of organic matter, suspended solids and more high ammonia nitrogen, odor, complex pollution ingredient and large emissions. Microbial fuel cells (MFC) is an electrochemical and biological
Lai Mei-Feng +3 more
doaj +1 more source
Some Optimality Variations of Central Composite Designs [PDF]
Some variations of central composite designs (CCD) under complete and partial replications of cube, axial and center points are studied using A, D and G optimality criteria. The results obtained suggest that complete replication of the cube, axial and center points are better than the partial replication of cube, axial and center points under the A and
Lilian O. Ngonadi, F. C. Eze
openaire +1 more source
On the robustness of central composite designs when missing two observations
AbstractQuite often, many situations arise in experimental work where some experimental runs that may not be feasible because of certain circumstances or existing constraints in the system under investigation. A lot of work has been done in studying classical designs, such as the central composite designs (CCDs), with missing observations.
Kareem Alanazi +2 more
openaire +1 more source
Experimental levels of independent variables in central composite design.
Experimental levels of independent variables in central composite design.
Qian Qiu (331716) +4 more
core +1 more source
Screening and optimization of extracellular pectinase produced by Bacillus thuringiensis SH7
The objective of the current research was to identify and evaluate the possibility of production of pectinase, also known as pectin degrading enzymes, from indigenous bacterial strains.
Umar Maria +9 more
doaj +1 more source

