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Effects of Slag Treatment Conditions on Boron Removal from ...

12%The effects of the slagging refining conditions on impurity removal were studied. The chemical composition of slag agent, mass ratio of slag to silicon, refining time and refining temperature were experimentally explored and the optimal efficiency of boron removal was found to be 96.77%. The boron content in refined industrial silicon decreased ...

REMOVAL OF BORON FROM PRODUCED WATER BY CO …

Boron removal with magnesium chloride was greatest at a pH of 11.0. At this pH 87% of ... removal by determining those conditions most effective for boron co-precipitation and adsorption. Magnesium chloride has been shown to be more effective than magnesium oxide. Magnesium chloride also out-performed treatment with slaked quicklime, which

Boron removal from aqueous solutions using alginate gel ...

The results showed that the removal yield of boron is dependent on all the above parameters. The best conditions for boron adsorption were obtained at high pH (the optimum value being pH 11), higher initial boron concentration, increased column depth and lower flow velocity.

Response Surface Methodology for Boron Removal by Donnan ...

The removal of boron by Donnan dialysis from aqueous solutions has been studied according to response surface methodology (RSM). First, a preliminary study was performed with two membranes (AFN and ACS) in order to determine the experimental field based on different parameters, such as the pH of the feed compartment, the concentration of counter-ions in the receiver compartment, and the ...

Boron removal water treatment agent and water treatment ...

Boron removal water treatment agent and water treatment method - Patent JP-5878278-B2 - PubChem. National Center for Biotechnology Information. 8600 Rockville …

Energy and environmental issues of seawater reverse ...

Boron removal is chiefly dependent on many parameters such as pH, temperature, pressure, feed salinity, and various other factors (Najid et al., 2021). Therefore, it is necessary to find compliance between the boron rejection performance and affecting parameters to ensure an accurate prediction for an appropriate design so as to provide an ...

Removal of Boron from Wastewater by Precipitation of a ...

the removal and recovery of boron [6, 7]. All these processes can successfully remove boron from dilute solutions, producing smaller secondary ef-fluents, but containing boron at higher concentrations and, in many cases, another compound used as a re-generative agent. …

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Optimization of boron removal from water by ...

Obtained results show that the optimal conditions for the removal of boron are: a pH equal to 10, a flow rate of 10 L h −1, a ratio between the concentration of sulfates and that of boron equal to 2 and a reaction time of ED of 25 minutes. A desirability value of 1 corresponds to an optimal boron removal percentage of 43.506%.

Boron removal by electrocoagulation: Removal mechanism ...

Boron (B), normally present in ground water and sea water, is a vital micronutrient for plants, but is also toxic in excessive amounts. Under typical conditions, aqueous boron is present as boric acid (H 3 BO 3), which is uncharged, making B particularly challenging to remove by mechanisms commonly applicable to removal of trace constituents.. Adsorption of B onto aluminum hydroxide solids (Al ...

Boron removal from water and wastewater | Knowledgeshare

The current technologies for the boron removal have many drawbacks due to the high costs, the long reaction time and the complexity of treatments. The developed method, compared to the traditional techniques, exploits low-costs reactants through which it is possible to obtain, at room conditions of temperature and pressure, boron removal higher ...

Boron removal from industrial wastewaters by means of ...

compared CC and EC for boron removal and achieved 24% and 94% removal efficiency, respectively, with the use of excessive amount of coagulants. Sayıner et al. [3] achieved 90% B removal by means of EC at high current density. Boron removal mechanism by means of CC was proposed by Su and Suarez [25] and given below in Eqs. (2)–(6). (2) (3) (4 ...

Boron removal by electrocoagulation and recovery.

At these applied optimum conditions, 99.7% boron removal from an initial concentration of 10.4 mg/L was achieved. The process was effectively optimized by RSM with a desirability value of 1.0. The results showed that boron removal efficiency enhanced with …

Boron Removal by Electrocoagulation Using Full Factorial ...

The effects of current density, EC time and initial boron concentration and their mutual interaction were investigated using 23 full factorial design. At optimal conditions, boron removal from synthetic aqueous solutions containing initial boron concentrations of 5 and 50 mg/L reached 81% and 79%, respectively.

Removal of Boron from Aqueous Solutions by Adsorption ...

capacity of almost to remove of boron under high pH conditions [20-21] and has been previously used to remove boron from raw waters in Turkey [22-24]. Removing boric acid and borate ions from aqueous solutions does not seem to be straightforward, as has already been stated in the literature [25]. Conventional sedimentation

A new adsorbent for boron removal from aqueous solutions

At optimum conditions, the maximum boron percentage removal was 75%. According to the D-R model, the maximum capacity was estimated to be > 3 mg B/g of the adsorbent. The adsorption energy value (calculated as 9.13 kJ/mol) indicated that the adsorption of boron on clinoptilolite modified with ZrO2 was physical in nature.

An updated review on boron removal from water through ...

Boron (B), the fifth element in the periodic table is the only nonmetal and the most electronegative element in group IIIA. In spite of its small atomic weight, B is much scarcer in space than Hydrogen (H), Helium (He), and Carbon (C) while is widely distributed in both the hydrosphere and lithosphere of the earth [].Boron in nature mainly exists in the form of boric acid, borates, or boron ...

Desalination Post-treatment: Boron removal Process

At 30 o C, Boron removal drops at about 78%, leaving 1.15 mg/L in the Pass-1 permeate stream. Therefore, a specific Boron Removal Process is required to achieve the 0.5 mg/L required by the WHO. Therefore, a specific Boron Removal Process is required to achieve the 0.5 mg/L required by the WHO.

Boron removal from geothermal waters by electrocoagulation

Boron removal efficiency reached to 95% with increasing current density from 1.5 to 6.0 mA/cm(2), but energy consumption was also increased in this interval. At higher temperatures of solution, such as 313 and 333 K, boron removal efficiency increased. At optimum conditions, boron removal efficiency in geothermal water reached up to 95%.

Borax, boron, deficiency, natural home remedy

Excess boron can worsen or trigger conditions like ADHD, allergies, asthma, autism, cystic fibrosis, dyslexia, liver and oesophageal cancer. Excessively high doses of boron tend to increase the blood levels of calcium and oestrogen, lower blood glucose, vitamin B6 and zinc .

Evaluation of Boron Removal by Coagulation- Flocculation ...

To optimize the experimental conditions of boron removal, commercial flocculent (anionic) was used in combination with optimum precipitant and coagulant doses to observe its effect. Different jar tests were carried out with increasing amounts of flocculent starting with 0.6 mg L-1 and increasing this by 0.6 mg L-1 increments up to 4.2 mg L-1.

A new methodology for removal of boron fro by coal and fly …

has the capacity of almost removal of boron under high pH conditions [ 12-151 and is used to remove boron from high-boron effluents in Turkey [ 16- 181. The use of this method for complemen- tary RO desalination adds additional cost of US cent 4-6/m3 of permeate [8]. In contrast, RO removes only a fmtion of boron, between 40- 65% [6-lo].

Boron Removal from Aqueous Solutions using an Amorphous ...

At optimum conditions, the maximum boron percentage removal from the solution containing 20 mg B/L was 97.5% and the final boron concentration reached under the recommended limit for drinking water (< 1.0 mg/L).

An empirical model for parameters affecting energy ...

The obtained experimental results showed that boron removal efficiency reached up to 99% under optimum conditions, in which solution pH was 8.0, current density 6.0 mA/cm(2), initial boron concentration 100mg/L and solution temperature 293 K. The current density was an important parameter affecting energy consumption too.

The effects of operating conditions on boron removal …

The main objective of this work was to determine the optimum operating conditions for boron removal and permeate flux in geothermal waters employing lab-scale tests. A total of 8 different SWRO, BWRO and NF membranes were tested. Permeate boron concentrations as low as 1.0 ...

(PDF) High performance boron removal from seawater by two ...

operational conditions for boron removal using two-pass. SWRO, the pilot experiments were conducted in the. following two phases. In order to compare between pilot.

Kinetics Analysis of Boron Removal from Silicon through ...

The boron removal rate was observed to increase when the reaction temperature was increased. It can also be seen that, generally, the boron removal rate decreased with the increase of alumina content in the CaO-SiO 2 slag system. As the boron concentration does not decrease linearly, the reaction kinetics for these slag systems clearly do not ...

Boron Removal at Different Temperatures from Kizildere ...

investigate the optimum conditions of boron removal from Denizli-Kizildere Geothermal wastewater by utilizing co-precipitation method. Since boron waste accumulates in Buyuk Menderes River day by day, it would be necessary to consider ion exchange process as a potential process for Boron removal…

Boron removal from water | XBoron | United States

Cost effective Boron removal from well water to improve yields in crops like avocados, grapes and citrus. xBoron teams with water resources firm Wallace Group of Central California and is the key partner in installation of this boron removal technology.

Boron removal from water by adsorption onto activated ...

Main processes that have been studied for boron removal are chemical precipitation, adsorption (Lyu et al. 2017), reverse osmosis (Dydo et al. 2012) and electrodialysis. Among these methods, an adsorption method is promising for the boron removal because it requires simple operating conditions and can be applied for the water treatment at low ...

Boron removal from water: needs, challenges and ...

Batch tests on effect of operational conditions on boron removal by Amberlite IRA743™ have been performed, pointing to boron rejection ratio increase with increasing ratio resin vs. mother solution and with decreasing boron concentration. On the other hand, rising stirring speed or temperature has been noticed to increase initial boron ...

Boron Removal from Water - Pure Aqua, Inc.

To remove boron from seawater, a double pass reverse osmosis system is recommended to ensure the removal of boron (Scenario 3). Another treatment option for seawater is a seawater reverse osmosis system followed by a selective resin ion-exchange filter to specifically target boron removal …