Adsorption of Boron from Aqueous Solutions by Fly Ash*

adsorbent dosage to boron removal. Langmuir and Freundlich isotherms were employed to study the adsorption capacity of the adsorbent. 3. RESULTS AND DISCUSSION 3.1. Effect of pH The adsorption of boron was studied over the pH range 2-11 at three different temperatures (Fig. 1).

A new adsorbent for boron removal from aqueous solutions ...

The sorption behaviour of this adsorbent for boron was investigated using a batch system and found to obey Langmuir, Freundlich and Dubinin-Radushkevich (D-R) isotherm models. The ZrO2 loading level, pH, temperature, contact time, initial boron concentration and adsorbent dose, on the removal of boron …

Boron Removal from Aqueous Solutions using an Amorphous ...

temperature, contact time, initial boron concentration and adsorbent dose on the removal of boron were studied. The results showed that the adsorption was strongly dependent on the pH of solution and was optimum in pH range 8-9. Furthermore, at pH of 8.5 and at contact time of 24 hrs the removal of boron

Boron removal from wastewater using adsorbents. | Docphin

The removal of boron from the above-described wastewater was examined in the static (batch) and dynamic (column) experiments. The static experiments were carried out to assess boron adsorption isotherms, based on which the most efficient adsorbent as well as the rough resin load was determined.

Adsorption of boron from aqueous solutions using fly ...

Effect of initial boron concentration Solutions of different initial boron concentrations (10, 50, 250, 600, 1000, 1500 mgB/L) were used to investigate the effect of concentration on the removal of boron by 1 g adsorbent at pH 2.

REMOVAL OF BORON USING CLAY-EFFECT OF PROCESS …

In this study, a low-cost eco-friendly adsorbent was prepared from naturally available sarooj clay and is proposed for the removal of boron from aqueous phase. The effect of process parameters, namely initial pH, sorbent quantity, initial boron concentration, shaking speed and temperature were studied on the metal uptake under batch conditions.

Removal of Boron from Aqueous Solutions by Adsorption ...

Abstract: In the present study for the purpose of removal of boron from water by adsorption using adsorbents like fly ash, natural zeolite and demineralized lignite was investigated. Boron in water was removed with fly ash, zeolite and demineralized lignite with different capacities. 94% boron …

Original Research Removal of Boron and Arsenic from ...

capacities of adsorbents for boron and arsenic at equilibri-um were calculated by: (2)...where W (g) is the mass of adsorbent and V (L) is the vol-ume of the solution. ... g/L. Fig. 2 shows that boron removal in petrochemical wastewater increases with increasing adsorbent amount.

Boron Removal by Adsorption on Cobalt(II) Doped Chitosan ...

Cobalt(II) doped chitosan bio-composite was prepared, characterized and used to oxoborate separation from aqueous solutions. ... Among them the most wanted method for boron removal from water and wastewater with comparatively low boron content ... in hydrogel and freeze-dried form, have been investigated as boron adsorbents. The effects of ...

Boron adsorption mechanism on polyvinyl alcohol | Springer ...

An adsorbent that adsorbs boron selectively has been developed as a countermeasure. Although certain commercially available boron selective adsorbents can be used to remove boron from aqueous solutions by utilizing the strong affinity between boron and hydroxyl groups, the adsorption capacity appears to be insufficient.

ADSORPTION POTENTIAL OF UNMODIFIED RICE HUSK FOR BORON ...

A batch study of boron removal from aqueous solutions by adsorption using rice husk was carried out. The effect of selected parameters such as particle size, pH, adsorbent dosage, and initial concentration of adsorbate on boron removal was investigated in the study.

Boron removal in seawater RO desalination. - toraywater.com

3. System evaluation for boron removal 3.1. Three-stage systems In this study, (1) three-stage system was proposed and evaluated comparing with (2) SWRO system, (3) SWRO + adsorbent system, (4) SWRO + alkali-BWRO (BWRO with alkaline dosing) system, and (5) SWRO + adsorbent and alkali-BWRO (parallel) system. The flow diagrams are

Evaluation of boron removal by adsorption on solids

Many authors have reported the application of different adsorbents for boron removal such as fly ash, zeolite, demineralized lignite, mannitol, activated alumina, activated carbon, and tartaric ...

Removal of boron from aqueous solution using magnetic ...

Boron removal capacity of multi-walled carbon nanotubes (MWCNTs) modified with tartaric acid was investigated in this study. ... Removal of boron from aqueous solution using magnetic carbon nanotube improved with tartaric acid. Nima Zohdi 1, Fariba Mahdavi 2, ... Journal of Environmental Health Science and Engineering. ISSN: 2052-336X. Contact ...

Boron Removal from Wastewater Using Adsorbents

In the present study, boron adsorption on activated alumina and activated carbon impregnated with calcium chloride, tartaric acid and mannitol was investigated. The adsorbate in question was the wastewater from the chemical landfill in Tarnowskie Gory of 25-70 mg l-1 boron content. The removal of boron from the above-described wastewater was ...

EP2149539A1 - Boron adsorbent utilizing sugar amide ...

Disclosed is a boron adsorbent having an excellent adsorbing ability against boron contained in a solution, which is inexpensive and has haigh general versatility. Also disclosed is a boron removal method which can remove boron efficiently in a simple manner.

Boron removal from aqueous solutions using composite ...

Boron removal from aqueous solutions by adsorption was investigated using composite adsorbent that combine zeolite, limestone, activated carbon and rice husk charcoal waste.

Boron Removal from Aqueous Solution Using Curcumin ...

Kinetic rate of Cur-AC for boron removal from boron solution was carried out at pH5.5 and a temperature of 25oC (Figure 3). Stirring of activated carbon in boron solution is important because it maintains the activated ... The removal of boron was increased as the adsorbent dose

A new adsorbent for boron removal from aqueous solutions

boron from fresh water. The sorption behaviour of this adsorbent for boron was investigated using a batch system and found to obey Langmuir, Freundlich and Dubinin–Radushkevich (D–R) isotherm models. The ZrO2 loading level, pH, temperature, contact time, initial boron concentration and adsorbent dose, on the removal of boron were studied.

Adsorption potential of unmodified rice husk for boron removal

Abstract. A batch study of boron removal from aqueous solutions by adsorption using rice husk was carried out. The effect of selected parameters such as particle size, pH, adsorbent dosage, and initial concentration of adsorbate on boron removal was investigated in the study.

Boron - Removal

to adsorb Boron in the Boron-Concentrated-Water to remove Boron. The treatment process and this unique process is the main contention of this literaturepreparation. WATCH WATER ® High Quality Adsorbent. Water. Technology & Chemicals. Boron . Removal. Continuesfrompreviouspage… Boron. Removal. In the Katalox-Light treatment the Boron ...

Adsorbent Resins | Purolite |

Adsorbent resins with small pores have higher surface area, but pores have to be big enough to allow molecules to enter the bead in order to be adsorbed. Factors that determine adsorption efficiency include chemical interactions, solubility, size, weight, and capacity.

Technologies for Boron Removal - Industrial & Engineering ...

Preparation of a Solid Adsorbent Derived from Concrete Sludge and its Boron Removal Performance Takeshi Sasaki, Yuka Sakai, Teruhisa Hongo, Atsushi Iizuka, and Akihiro Yamasaki Industrial & Engineering Chemistry Research 2012 51 (16), 5813-5817

Boron Removal from Wastewater Using Adsorbents - ResearchGate

Many authors have reported the application of different adsorbents for boron removal such as fly ash, zeolite, demineralized lignite, mannitol, activated alumina, activated carbon, and tartaric ...

Boron adsorption by composite magnetic particles

boron is adsorbed through complexation. Although the above-mentioned boron-selective adsorbents are effective for the removal of boron, they are usually difficult to prepare and are also expensive, which limits their application in practical boron removal processes. Magnetic assisted adsorption separation is a promising technology employed in ...

Removal of Boron from Produced Water by …

Removal of Boron from Produced Water by Electrocoagulation EZERIE HENRY EZECHI, MOHAMED HASNAIN ISA, ... iron plate electrode can be used to remove boron from produced water effectively. Key-Words: - Boron, Electrocoagulation, ... also unsuitable due to adsorbent loss during the process and the need for backwashing [9].

Polymer-based chelating adsorbents for the selective ...

The use of the obtained adsorbent for boron removal from seawater samples revealed that boron concentration could be reduced to less than 0.5 mg/L from feed solution containing boron of 4.8 mg/L when a sorbent dosage of 1.2 g/L was used.

Activated boron nitride as an effective adsorbent for ...

Porous boron nitride (h-BN) exhibits unique physical and chemical properties including high specific surface area, numerous structural defects, low density, ... The pollutant removal percentage over the adsorbent was calculated by the Eq. 1 . where C 0 and C e (mg/L) ...