optimization technique perlite

Background: The current need to produce food for a growing population, from diminishing natural resources, such as water and energy, and with minimum environmental degradation, demands the optimization of production. We compare the economic feasibility of tomato production in an open system with a perlite substrate, a closed system with the nutrient …

Perlite is also abundantly available in Iran so it is a reasonable and low cost Si source as a precursor [22]. This study is devoted to use perlite as inexpensive raw material and optimization of the effects of some important parameters affecting the final colloidal nanosilica product via Taguchi method and full factorial design of experiment.

hydroponics technique can give effective tool for. improving vegetable yield and quality (Gruda, 2009). As an example, yield of tomato under. hydroponic system increased as EC of nutrient ...

Response Surface Methodologies (RSM) have an long track record of contribution to substantial improvements in advanced …

Wang et al. [16] uses the expanded perlite to optimize the impedance matching of the cement matrix, when the cement composites contains 10 wt.% expanded perlite and 40 wt.% fly ash, the maximum ...

We report the use of perlite microspheres for the preparation of: (1) composites, through a compression molding (hot pressing) technique; and (2) composite filaments, in a single screw extruder ...

The influence of perlite contents of S-Glass/Al2O3/Pearlite on delamination was explored using comparative studies in addition to investigation of general mechanical properties ... Table 4 lists the optimization techniques and statistical analysis and process parameters studied by researchers. In modern era, optimization is driven from ...

This work aims at optimizing the process parameters of CO 2 laser drilling. Hybrid S-glass/Al 2 O 3 /Perlite powder composite is used in this study. Laser drilling parameters: laser power (P), cutting speed (N), focal length (L), and hole diameter (d) were studied to reduce the hole delamination and hole taperness.

Perlite showed an intense reflection at a 2θ value of 23.5° as defined in the literature and the small peaks were belonged to feldspar and quartz that perlite includes in its structure [21]. Two separate reflections appeared at 2 θ value of 31.5° and 45.5° which pointed out Na-perlite.

Perlite granules were coated with TiO2 particles (Anatase/Rutile: 80/20, particle size around: 22 nm, surface area: 55 m2/g), and used as a photocatalyst. Perlite is a volcanic glass able to expand 4-20 times of its original volume upon heating, resulting in flakes with porosity greater than 95% [15]. The pieces of this material can easily

SiO2 aerogel is an ultra-light nanoporous material with high transparency, low thermal conductivity, low density, low dielectric constant and high-temperature resistance. The outstanding properties contribute to the application of SiO2 aerogel for heat preservation, cold retention and thermal insulation materials. In this paper, SiO2 aerogels …

A guide to modern optimization applications and techniques in newly emerging areas spanning optimization, data science, machine intelligence, engineering, and computer sciences Optimization Techniques and Applications with Examples introduces the fundamentals of all the commonly used techniquesin optimization that encompass the …

In this work, the methyl orange (MO) dye adsorption has been occurred onto expanded Perlite. The optimization study has been conducted using the CCD method and STATISTICA 12.0 software. The optimum conditions generated were: 115 min, 65 mg/L and 311 K for the contact time, MO concentration and temperature, respectively. The highest …

6. Persisting & Caching data in memory. Spark persisting/caching is one of the best techniques to improve the performance of the Spark workloads. Spark Cache and P ersist are optimization techniques in DataFrame / Dataset for iterative and interactive Spark applications to improve the performance of Jobs.

For this objective, composite materials based on unsaturated polyester resin and expanded perlite (organic resins that have been recycled) were created. The use and development of a various materials, whose composition and properties lend themselves to technological constraints, has been motivated by the optimization and streamlining of …

Response Surface Methodologies (RSM) have an long track record of contribution to substantial improvements in advanced chemical and material products and processes. Their fundamental principle is ...

Almost all machine learning algorithms can be viewed as solutions to optimization problems and it is interesting that even in cases, where the original machine learning technique has a basis derived from other fields for example, from biology and so on one could still interpret all of these machine learning algorithms as some solution to …

The aim of this study was to investigate the photocatalytic degradation of the neonicotinoid insecticide acetamiprid in aqueous solution. Experiments were carried out in a 250 mL batch reactor with recirculation of the reaction mixture and using a UVA-LED radiation source with a heterogeneous UVC-modified perlite-based TiO2 photocatalyst. …

Contents. 0.1 – Why is Perlite used in hydroponics?; 0.2 – Importance of proper aeration and root support; 1 Benefits of Using Perlite in Hydroponics. 1.1 – Improved aeration and oxygenation; 1.2 – Enhanced drainage and water retention; 1.3 – Promotes healthy root development; 1.4 – Prevents compacted soil and root rot; 1.5 – Different …

Perlite is an amorphous volcanic alumina – silicate rock that expands when rapidly heated to nearly. 900 oC. Both the ore and the expanded product have extensive and widespread industrial ...

Optimization requires the algorithm selection among already developed ones and its possible refinement. Production limitations are also taken into account (the time required for optimization, limitations in the accuracy of the CS manufacturing) as well as the requirements for the final CS: absorption in narrow frequency bands or in a wide …

optimization, collection of mathematical principles and methods used for solving quantitative problems in many disciplines, including physics, biology, engineering, economics, and business. The subject grew from a realization that quantitative problems in manifestly different disciplines have important mathematical elements in common.

Download scientific diagram | Optimization of NbCl5 on perlite for the synthesis of diethyl-2,6-dimethyl-4-substituted-4H-pyran-3,5-dicarboxylate. from publication: NbCl5 Functionalized Perlite: A ...

Request PDF | Adsorption of cefixime from aqueous solutions using modified hardened paste of Portland cement by perlite; Optimization by Taguchi method | In the present study, we have used a ...

A mathematical model for perlite grain expansion has been developed, aimed at the detailed investigation and optimization of perlite expansion in the new furnace. The dynamic model consists of ordinary differential …

The new perlite expansion method allows the milder, gradual heating of perlite grains, as well as the variation of perlite grain residence time in the heating chamber. Experimental perlite expansion campaigns conducted on this pilot-scale production unit indicate a remarkable improvement as well as a definite operating cost reduction in ...

Abstract. The objectives of this study include minimizing the thermal conductivity of the produced materials, reducing dead loads of structures through lightweight composite material production, and increasing perlite use in …

A multilayer plate structure is an effective way to design an absorbing coating with excellent performance. Based on the analysis of the electromagnetic (EM) absorption principle of multilayer structures, this paper selects magnetic loss and resistance loss type materials to establish a database of EM parameters. A genetic algorithm is …

Abstract. This paper provides an overview of the key concepts and approaches discussed in the field of Algorithmic Optimization Techniques. Operation re-search plays a role in addressing complex decision-making challenges across industries. This paper explores a range of algorithmic methods and optimization strategies …

DOI: 10.1016/J.CERAMINT.2017.05.332 Corpus ID: 136041590; Optimization of colloidal nanosilica production from expanded perlite using Taguchi design of experiments @article{Asadi2017OptimizationOC, title={Optimization of colloidal nanosilica production from expanded perlite using Taguchi design of experiments}, author={Zohreh Soltani …

How Perlite Helps: By integrating perlite into the mix, the weight of concrete can be reduced by nearly 20%. The resulting lightweight concrete maintains robust strength but is easier to handle, faster to set, and, crucially, puts less stress on the structures it's used in. This lightweight solution is perfect for floor fills, roof decks, and ...

The use of expanded perlite as an EMW transmitting aggregate (ETA) is proposed to optimize the impedance matching of cement-based composite. The introduction of ETA significantly optimizes the impedance matching between the specimens and free space, increases the transmission distance and absorption probability of EMW, as well …

When it comes to incorporating perlite into soil, proper mixing techniques are crucial for achieving optimal results in your gardening endeavors. Perlite, with its unique properties such as lightweight and excellent drainage, can greatly improve the structure and moisture content of soil. By understanding the correct way to mix perlite into ...