Experimental Investigation on Operative Utilization of the Feasible Anion Exchange Membrane BIII for Sorptive Exclusion of Acid Orange 7 from Hydrated Media | Chapter 1 | Recent Developments in Chemistry and Biochemistry Research Vol. 6

In the present study, a commercial BIII membrane was exploited for the exclusion of anionic dye AO7 from a watery medium. The impact of constraints such as temperature, contact duration and sorbent dose on the exclusion of dye from aquatic medium was probed at ambient temperature. Anion exchange membranes have drawn a lot of interest because of their capacity to provide profitable and fuel-efficient commercialization while simultaneously eliminating dangerous dye pollution from industrial wastewater. This illustrates how anion exchange membrane BIII can remove acid orange 7 dye from aquatic environments. The sorbent's surface characteristics and the presence of discrete operating groups were identified using SEM and FTIR investigations. Numerous constraints on AO7 exclusion in an aquatic environment, such as contact duration, temperature, sorbent dose, and starting dye concentration were also scrutinized. For the purpose of assessing kinetics, Liquid film diffusion, Elovich, Lagergren first-order, Bangham, pseudo-second-order, and modified Freundlich models, were employed. These findings imply that the AO7 dye sorption onto the BIII membrane is well controlled by the liquid-film diffusion process and that the sorption comprehends pseudo-second-order kinetics with an utmost value of R2(0.99). To evaluate tentative data, multiple linear and nonlinear isotherm models were utilized. Freundlich isotherm was found to be in excellent agreement with sorption data. Thermodynamic specifications, such as a change in Gibb’s free energy, enthalpy, and entropy, for dye sorption on the anion exchange BIII membrane were optimized between 308-338 K to maximize AO7 dye removal. Since ΔGo is negative and, ΔHo and ΔSo are positive, inferred that the sorption is spontaneous and endothermic. Anion exchange membrane BIII was effective for up to four successive cycles without losing its competence. Anion exchange membrane BIII was effective for up to four successive cycles without losing its competence so that it can be utilized as a promising sorbent for the exclusion of AO7 dye from wastewater.

 

Author Details

 

Hina Mahmood
Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60000, Pakistan.

 

Farzana Mahmood
Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60000, Pakistan.

 

Please see the book here:- https://doi.org/10.9734/bpi/rdcbr/v6/613

Sorption Behavior of Deltamethrin in Mediterranean Soils | Chapter 7 | Emerging Issues in Agricultural Sciences Vol. 2

 Water is a lively factor of result, but its belittling quality concede possibility threaten business-related growth and public development of a country or a domain. One of the most important irrigated agricultural districts in Morocco is the Loukkos perimeter. The use of pesticides has made this domain one of the first land areas of the country in conditions of the quantity of allure production. The surroundings, including groundwater, and human strength could contract an illness the excessive and perilous use of these chemicals. In this area, Deltamethrin is individual of the most established insecticides on a variety of crops, containing citrus and sugar vegetable.  Excessive use of this poison presents a real risk to the decay of the groundwater quality, particularly in the case of sandy soils. The aim of the study was to search the adsorption and desorption processes of Deltamethrin in two contrasting agricultural soils (ammophilous and clayey soils) from Loukkos plain, using Batch equilibration order. The study is part of a big program to update facts on pesticides for safer use and happening of guidance and managing for their application. The isotherms for adsorption and desorption were expressed using the Freundlich model. The adsorption coefficients, that were used to evaluate this wonder, were calculated utilizing linear regressions. The results granted that adsorption and desorption processes of Deltamethrin on soils were well described for one Freundlich model. The Freundlich's adsorption coefficient (Kd) principles for Deltamethrin in the clayey and sandy soils were 3.914 and 1.503 mL.g-1, individually. Hence, the properties and the arrangement of the soils have great impacts on the sorption devices of Deltamethrin. The results also displayed that the irreversibility of the adsorption process is more important when the adsorption capacities of the soils and their brick content are high. Our study told a high risk of the occupancy of Deltamethrin in the Loukkos groundwater, particularly in arenicolous soils, which have reduced retention competency due to their reduced clay and natural resources contents.

Author(s) Details:

Mohamed Benicha,
Research Unit on Nuclear Techniques Environment and Quality, National Institute of Agricultural Research, 78 Av. Sidi Mohamed ben Abdellah, 90100, Tangier, Morocco.

Rachid Moussadek,
International Center for Agricultural Research in the Dry Areas (ICARDA), Rabat, Morocco and National Institute of Agricultural Research, Avenue de la Victoire, P. O. Box 415, Rabat, Morocco.

Rachid Mrabet,
National Institute of Agricultural Research, Avenue de la Victoire, P. O. Box 415, Rabat, Morocco.

Please see the link here: https://stm.bookpi.org/EIAS-V2/article/view/10045

Application of Cellulosic Sorption Filter Materials with Surface Flocculation Activity as Advanced Wastewater Treatment| Chapter 1 | Novel Perspectives of Geography, Environment and Earth Sciences Vol. 1

 The normal biopolymer on earth, cellulose fibre, concede possibility offer a highly adept and low-cost option for wastewater situation. Cellulose-based materials have happened used in drink, industrial, pharmaceutical, paper, fabric production, and in wastewater treatment requests due to their cheap, renewability, biodegradability, and non-toxicity. In this review, the uses of cellulose-based fabrics for wastewater treatment. Utilizing cellulose or lignocellulose as sorption material has various benefits such as off-course availability, renewability, nontoxicity, and biodegradability. In recent age, more and more demands have been established on the quality of wastewater. A clean media was designed that contained an ionic activated cellulosic material accompanying huge sorption exercise to ions-active dissolved and colloidal pieces in aqueous systems, inducing surface flocculation, and a filler material accompanying a filter effect. The problem of reduced separation ability of plates and extreme flow rate of filtered liquid dispersions was often solved cause fine particles were not separated, earlier. In our case, an activated cellulosic material was secondhand with a multiple (about ten to a hundredfold) sorption capacity for ionically active annulled and submicron particulate pollutions compared to untreated cellulosic material.

Author(s) Details:

Michaela Filipi,
Department of Wood, Pulp and Paper, Faculty of Chemical Technology, Institute of Chemistry and Technology of Macromolecular Materials, University of Pardubice, Pardubice, Czech Republic.

Miloslav Milichovský,
Department of Wood, Pulp and Paper, Faculty of Chemical Technology, Institute of Chemistry and Technology of Macromolecular Materials, University of Pardubice, Pardubice, Czech Republic.

Please see the link here: https://stm.bookpi.org/NPGEES-V1/article/view/8938

Estimation of Thermokinetics of Sorption of Mercury (II) Iodide Complexes on Sulphocationite KU-2-8 Modified by Crystal Violet | Chapter 05 | Challenges and Advances in Chemical Science Vol. 8

 The microcalorimetric method was used to investigate the kinetics of sorption of iodide complexes of mercury (II) on a sulfonic cation exchanger KU-2-8 modified with a basic crystal violet dye. The order of the sorption process was discovered to be close to the first. 2.66 10-3 s-1 is the rate constant. The activation energy is 16.6 kJ/mol, indicating that the external diffusion sorption mechanism is dominant. 0.261 is the pre-exponential factor.

Author(S) Details

E. A. Zauer
Volgograd State Technical University, Volgograd, 400005, Russian Federation.

View Book:- https://stm.bookpi.org/CACS-V8/article/view/5629

Polymeric Compositions on the Base of Acrylic Acid and Bentonite Clay: Experimental Investigation | Chapter 02 | Challenges and Advances in Chemical Science Vol. 8

 This study looked at the peculiarities of making composition hydrogels (CH) from cross-linked polyacrylic acid (PAAc) and bentonite clay (BC). The crystalline structure of montmorillonite has been disrupted in CHs due to the penetrative of polymeric macromolecules between bundle layers, resulting in a uniform homogenous structure, according to optical microscopy and X-ray diffraction. The kinetics of obtained CH swelling in water were investigated, and it was discovered that they have a high water sorption ability over a wide pH range. The sorption of methylene blue (MB) by gels from aqueous solutions was investigated using the statistical approach. CHs were shown to have a higher sorption capacity than hydrogels on a PAAc basis. Because MB sorption has increased with rising medium temperature, chemisorption has resulted in MB attaching to CHs.

Author(S) Details

M. A. Makhkamov
Department of Chemistry, National University of Uzbekistan, Tashkent, Uzbekistan.

M. G. Mukhamediev
Department of Chemistry, National University of Uzbekistan, Tashkent, Uzbekistan.

View Book:- https://stm.bookpi.org/CACS-V8/article/view/5626

Investigating the Effect of Soil pH on Sorption of Salinomycin in Clay and Sandy Soils | Chapter 7 | Modern Advances in Geography, Environment and Earth Sciences Vol. 6

 Salinomycin is a polyether ionophore commonly used in chicken to reduce coccidial infections and improve growth. The antibiotic is excreted in large amounts as the parent compound, which eventually ends up in agricultural soils. To further understand the compound's behaviour in the soil environment, researchers must conduct sorption-desorption investigations. Salinomycin sorption was investigated in four agricultural soils at three pH levels: 4, 7, and 9, including a clay soil with low organic matter content (LOM), a clay soil with high organic matter content (HOM), a sandy soil with HOM, and a loamy sandy (LOM) soil. The desorption experiments were carried out using the batch equilibration method. Regardless of soil organic content or pH, all soils were shown to be extensively sorbed by more than 98 percent salinomycin. Salinomycin sorption increased marginally when the pH declined in the sandy soil, while sorption increased marginally in the two clay soils as the pH increased. After 72 hours, salinomycin desorption in methanol was less than 0.2 percent of the amount given, however it was larger than 70% in phosphate buffer (pH 7). Because the phosphate buffer would simulate, to some extent, the quality of water flowing through field soils containing various salts, salinomycin could pose serious dangers to both shallow ground water and surface water bodies.

Author (S) Details

R. Jayashree
Department of Bioresource Engineering, MacDonald Campus of McGill University, 21111, Lakeshore road, Sainte Anne de Bellevue, Quebec, Canada- H9X 3V9, Canada.

Shiv O. Prasher
Department of Bioresource Engineering, MacDonald Campus of McGill University, 21111, Lakeshore road, Sainte Anne de Bellevue, Quebec, Canada- H9X 3V9, Canada.

Rajvinder Kaur
Department of Bioresource Engineering, MacDonald Campus of McGill University, 21111, Lakeshore road, Sainte Anne de Bellevue, Quebec, Canada- H9X 3V9, Canada.

Ramanbhai M. Patel
Department of Bioresource Engineering, MacDonald Campus of McGill University, 21111, Lakeshore road, Sainte Anne de Bellevue, Quebec, Canada- H9X 3V9, Canada.

View Book :- https://stm.bookpi.org/MAGEES-V6/article/view/3854

Soil pH Interference in the Behavior of Weak Acid Herbicides | Chapter 5 | Recent Progress in Plant and Soil Research Vol. 1

 Herbicides derived from weak acids can be affected in their sorptive capacity when they interact with soil pH. As a result, when their pH rises, they can reduce their sorption in the soil and increase their leaching. This increases the herbicide's bioavailability in the soil, resulting in a greater control effect on weeds and crop injuries. However, if there is rain, the herbicide may be transported by leaching in the soil profile to the deeper layers of the active seed bank, reducing weed control. Given the foregoing, it is critical to investigate the interactions with soil pH in risk assessment and agronomic procedures. The analysis of the herbicide's behavior in the soil, as well as the correct positioning of the product in chemical management. This chapter explains how the pH of the soil can affect the behavior of weak acidic herbicides in a chemically understandable way for agrarian scientists. The difference in electric charges of ionized herbicides and colloids was critical in understanding how these interactions occur, which are influenced by soil type and pH. Finally, it is expected that professionals who work with herbicides will be able to better understand some of the interactions of herbicide chemical molecules with soil and make appropriate recommendations.

Author (S) Details

Levi Andres Bonilla Rave
Department of Agronomy, Federal University of Viçosa, Viçosa – MG, Brazil.

Kassio Ferreira Mendes
Department of Agronomy, Federal University of Viçosa, Viçosa – MG, Brazil.

Daniela Margarita Echeverri Delgadillo
Department of Agronomy, Federal University of Viçosa, Viçosa – MG, Brazil.

Dilma Francisca de Paula
Department of Agronomy, Federal University of Viçosa, Viçosa – MG, Brazil.

Adalin Cezar Moraes de Aguiar
Department of Agronomy, Federal University of Viçosa, Viçosa – MG, Brazil.

Antonio Alberto da Silva
Department of Agronomy, Federal University of Viçosa, Viçosa – MG, Brazil.

View Book :- https://stm.bookpi.org/RPPSR-V1/article/view/1863