Boron removal from aqueous solutions by electrocoagulation …
Given that boron removal from water by electrocoagulation is a variable of different processes including electrochemical processes, coagulation and flotation. ... Boron removal from aqueous solutions using curcumin-aided electrocoagulation. Middle-East J. Sci. Res., 11 (2012), pp. 583-588. View in Scopus Google Scholar [7]
Boron Removal from Aqueous Solutions Using Curcumin …
2 Abstract: This study seeks to find a new method to enhance the percentage of boron removed from aqueous solution by using the electrocoagulation process in the presence of curcumin. The optimum current density (CD), pH and dose of curcumin were determined as the operational parameters. The results showed that …
Boron removal from aqueous solution using …
This study was conducted to investigate the batch and fixed-bed adsorption properties of boron on curcumin-impregnated activated carbon (Cur-AC). The …
Boron enhances the antiviral activity of the curcumin …
The use of boron-based compounds by reaction with curcumin, it improves its stability in vivo without loss of bioactivity. Recently, a study showed that the drug bortezomib co-administered with curcumin determines the synergistic and therapeutic activity for the treatment of multiple myeloma. Moreover, the combination of 2-aminoethyl …
Boron removal from aqueous solution using coagulation
Aim: Application of response surface methodology (RSM) to determine optimum parameters in the coagulation-flocculation process aided by curcumin for boron removal from aqueous solution was investigated. Methodology: Different parameters such as pH, coagulant dosage, and curcumin dosage that effect boron removal were tested. …
Advances in Technologies for Boron Removal from Water: A …
For example, EC-Ni can remove 99.2% of boron from a 10 mg·L −1 boron solution within 2 h at pH = 8 and a current density of 1.25 mA·cm −2, while EC-Fe/Ni can remove 95% of boron from a 10 mg·L −1 boron solution within a shorter reaction time (60 min) at a pH of 8 and current density of 3.75 mA·cm −2 . The type and concentration of ...
Boron Removal from Aqueous Solution Using …
The highest boron removal in fixed-bed column adsorption was achieved up to 99% for the first 5 min at an inlet concentration of 890 mg/L and a flow rate of 8.0 …
Boron adsorption removal by commercial and modified …
Boron Removal by Sorption on Modified Chitosan Hydrogel Beads. The results showed that the biosorbent effectively removed boric acid from the aqueous medium at neutral pH over a sorption time of 2 h and the liquid/hydrogel ratio of 20 mL/g, achieving a maximum sorption capacity near 190 mg/g. Expand.
Recent advances in adsorption and coagulation for boron removal …
The remediation of boron-spiked water has caught much attention in the past few decades (Tagliabue et al., 2014), giving rise to various deboronation methods including membrane-base technology, adsorption, (electro)coagulation and precipitation.Membrane-based technology contains a variety of methods that remove boron by distinct …
Fixed-bed column adsorption for boron removal using fresh …
The greatest boron removal was found in the investigation for batch and fixed-bed adsorption characteristics of boron on curcumin-impregnated activated carbon (Cur-AC) at pH 5.5 and 120 min of ...
(PDF) BORON REMOVAL IN AQUEOUS SOLUTIONS USING CURCUMIN …
In this study, the maximum boron removal was obtained at pH 5.6 and the optimum contact time was 120 ABSTRACT This study has been done to determine the isotherm and kinetic adsorption of boron on activated carbon that been modified with curcumin.
The Chemistry of Curcumin: From Extraction to Therapeutic Agent …
To remove the water produced during the condensation reaction scavengers like alkyl borates are employed. Unless removed, the water can react with the diketone complex, thereby reducing the curcumin yield. The boron complex dissociates into curcumin under slightly acidic conditions. Curcumin from this reaction mixture can be …
Boron removal from aqueous solution using curcumin …
This study was conducted to investigate the batch and fixed-bed adsorption properties of boron on curcumin-impregnated activated carbon (Cur-AC). The maximum boron removal was obtained at pH5.5 and 120 min of contact time. Langmuir and Freundlich isotherm models were applied and it was determined that the experimental data …
A comparative study of the spectral, fluorometric properties …
Another observation was that the curcumin component degrades after the removal of the acid ligand that was attached to it through boron. A detailed kinetic analysis of the ligand decomposition ...
A study of the curcumin method for boron determination
Distill the boron sample as the methyl borate sn:l collect the distillate in a platinum evaporating dish, add l ml of 1:1 HCl, 2.00 ml of the curoumin reagent (0.005 p curcumin, 0.5 gm oxalic acid in. 50 ml of ethanol), slld then evaporate this solu tion at 55°±1°c. The color intensity is measured.
Boron removal in seawater desalination by progressive
Effect of freezing temperature on salinity removal and boron removal. The effects of freezing seawater for 44 h at different freezing temperatures (− 10 °C, − 15 °C, − 20 °C, − 25 °C, − 30 °C) on the distribution and removal of salinity (Fig. 2a) and boron (Fig. 2b) in ice/water are shown in Fig. 2.As the temperature decreased, the boron removal …
Determination of Boron Content Using a Simple and Rapid …
Keywords: Boron, Curcumin method, Protoplasts, Arabidopsis, Yeast. Background. ... /100 × g (for protoplast) for 5 min. Wash the pellet with 25 ml ice cold water to remove boric acid from the pellet. Resuspend the pellet in 400 µl of Milli-Q water in a 1.5 ml tube. Heat the samples at 90 °C for 30 min and vortex to release intracellular B ...
Boron removal from aqueous solutions by adsorption — A …
1. Introduction. Boron is a trace element which is widely distributed in earth's hydrosphere and lithosphere. In the lithosphere, boron can be found in soil or rocks, and its average concentration is 10 mg/kg in earth crust, only taking up 0.001% of the elemental composition of the earth [1], [2].In the hydrosphere, its average concentration is about …
Recent advances in adsorption and coagulation for …
The adsorbents for boron removal are classified into the ones functionalized by chelating groups, the ones on the basis of clays or metal oxide. Three subgroups …
Advances in Technologies for Boron Removal from …
2.1. Reasons for the Difficulties of Boron Removal from Water Boron is a trace element, which tends to form compounds by covalent bonds in nature due to its small atomic radius (about 0.85–0.90 Å) and high ionization energy (the first ionization potential is 8.296 eV). Boron in aqueous solutions usually exists in the form of
Boron removal from aqueous solution using coagulation- flocculation
Results: The results showed 75% of boron removal, while the optimum parameters for boron removal were observed at pH 2.8, 132.05 ppm poly aluminum chloride dose and 1161.4 ppm curcumin dose ...
Modifications of the curcumin method enabling precise and …
The preparation of the curcumin–acetic acid reagent is one of the key factors affecting the reproducibility of the curcumin method, and previous studies have reached contradictory conclusions regarding its stability (Uppström, 1968, Goldman et al., 1975).We compared the stability of the reagent stored at room temperature (~ 23 °C) …
Advances in Technologies for Boron Removal from …
The boron removal by the AMF process can be divided into the following four main steps: (1) the resin absorbs the boron in the solution; (2) the microfiltration …
Studies on the chemistry of the determination of boron with curcumin …
The necessity of water removal and the use of curcumin in excess in the analytical procedures is explained. ... The concentration of boron in the initial feed and the water was determined by the curcumin method spectrophotometrically (Dyrssen et al., 1972). A 5 g feed was crushed and extracted with 10 mL of distilled water boiling for 15 …
Boron removal from aqueous solutions using …
Last Updated: 07 Jan 2024. Request PDF | Boron removal from aqueous solutions using curcumin-aided electrocoagulation | This study seeks to find a new …
(PDF) BORON REMOVAL IN AQUEOUS SOLUTIONS …
Boron removal from aqueous solution using coagulation- flocculation with curcumin : A response surface methodology. 2021 •. azhar abdul halim. Aim: Application of response …
Figure 2 from Boron removal from aqueous solution using curcumin …
Corpus ID: 27643516; Boron removal from aqueous solution using curcumin-impregnated activated carbon @article{Halim2013BoronRF, title={Boron removal from aqueous solution using curcumin-impregnated activated carbon}, author={Azhar Abdul Halim and Nor Alia Roslan and Nor Shamsiah Yaacub and Mohd Talib Latif}, journal={Sains Malaysiana}, …
Boron Removal from Aqueous Solution Using Curcumin …
Removal of boron at different initial pH values at 25°C (initial concentration 1000 mg/L, volume of boron solution 50 mL, weight of adsorbent 2 g and shaking speed 200 rpm) FIGURE 2. Reaction of boron and curcumin to form boron-chelate complex (rosocyanine) at a slightly acidic range (pH5.5). It is obviously different
Boron Removal from Aqueous Solution Using …
The highest boron removal in fixed-bed column adsorption was achieved up to 99% for the first 5 min at an inlet concentration of 890 mg/L and a flow rate of 8.0 mL/min. Thomas …
Boron Removal from Aqueous Solution Using Curcumin …
Boron Removal from Aqueous Solution Using Curcumin-impregnated Activated Carbon . × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. ... Boron Removal from Aqueous Solution Using Curcumin ...