Adsorption effects of three kinds of activated carbons and a type of machine-made charcoal on the removal of antimony from acidic aqueous solution were investigated and compared. With an initial antimony solution concentration of 1000 μgL-1, the antimony adsorption by selected adsorbents were found to descend in the following order: machine-made charcoal (52.4%) > coconut activated carbon …
the study was to verify the sorption properties of some new sorption materials for the removal of antimony (Bayoxide E33, GEH) from selected water resources and compare their effectiveness. 2008/2 PAGES 1 – 6 RECEIVED 15.3.2008 ACCEPTED 26.4.2008 Ilavsky dd 1 17. 6. 2008 5:59:49
· Based on the results obtained in this study, the removal of antimony from industrial effluents via iron precipitation–coagulation–flocculation is possible, and viable under most conditions such as chloride media, 3+ oxidation state or in the absence of phosphate. However, owing to the large dosages of iron required and subsequent large floc ...
Pilot tests on Bismuth and Antimony removal from electrolyte at Atlantic Copper Refinery Proceedings of EMC 2013 3 The main conclusions of these tests were: • Capacities for Bi and Sb removal of around 10 g/l resin were recorded. • Due to the fact that the AC electrolyte contains almost no ferric ion, no poisoning of the resin was observed.
Read Case Study >> DESALX ® 20: Removal of Antimony/ Arsenic, Hardness, and Sulphate: Mining Water: Oman: Water treatment to remove impurities before continuing to reverse osmosis (RO). Read Case Study >> CIF ® 2: Hardness Removal: Industrial: China: Mobile treatment plant which removes hardness from reverse osmisis (RO) brine. Read Case ...
The resource utilization of excess red mud produced from aluminum production is a current research focus. In this study, novel nano-Fe3O4 modified high-iron red mud material (@nFe3O4) was fabricated using the method of co-precipitation to remove Sb(III) from the aqueous phase. The @nFe3O4 at a nFe3O4: mass ratio of 1:1 had optimal adsorbing performance on Sb(III) in …
Removal of heavy metal ions from the waste effluent is considered very important to maintain the environment free of any pollutants. We have developed a Pb-based compound that efficiently removed Selenium and Molybdenum from artificial wastewater. In this paper, we report the results of the study carried out to determine the applicability of this Pb-based adsorbent for the removal of Antimony.
Adsorptive Removal of Antimony (III) Using Modified Montmorillonite: A Study on Sorption Kinetics . Anjum Ansar. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper. READ PAPER.
· Efficient Removal of Antimony ( III, V) from Contaminated Water by Amino Modi fi cation of a Zirconium Metal − Organic Framework with Mechanism Study J. Chem. Eng. Data., 62 ( 2017 ), pp. 1519 - 1529, 10.1021/acs.jced.7b00010
· This study tested the efficacy of Zn-Al sulphate layered double hydroxides (LDH) as sorbent to remove antimony from circum-neutral solutions. Results of experimentation showed that Sb(V) in the anionic form Sb(OH)6 − can be efficiently removed from aqueous solutions through an exchange process with the SO4 2− present in the interlayer; total removal can be achieved within …
In this study, antimony removal from drinking water with coagulation-flocculation-sedimentation (CFS) is comprehensively investigated with respect to the dependence of both Sb(III) and Sb(V) removal on the initial contaminant-loading level, coagulant type and dosage, pH and interfering ions.
· Therefore, this study is motivated to cover the current research gap in system sustainability so that a sustainable PAUF process could be developed for antimony removal from aqueous solution. In present study, it is the first time that a PAUF process was fully investigated for antimony removal from aqueous solution.
A National Toxicology Program (NTP) 14-day drinking water study of potassium antimony tartrate reported an increase in relative liver and kidney weights in the high dose group (females only). A 13-week intraperitoneal injection study, also by the NTP, reported inflammation and/or fibrosis of the liver in mice
Antimony is a regulated pollutant to be well controlled. This study compared the removal capability and mechanisms involved in the removal of Sb(III) by Fe-Mn Binary Oxide (FMBO), ferric hydroxide (FeOOH), and manganese dioxide (MnO(2)). FMBO shows a maximum Sb removal capacity of 1.76 mmol/g and was much higher than that of both FeOOH (0.83 mmol/g) and MnO(2) (0.81 mmol/g).
· When using ultrasonic and activated carbon to treat antimony-containing wastewater, the ultrasonic time is 20min, the temperature is 40℃, the adsorption time is 60min, the pH is 2, and the ratio of activated carbon to antimony is 1mg Sb/g. The treatment effect of activated carbon is the best, and the removal rate is 95.86%. .
Antimonate removal by diatomite modified with Fe-Mn oxides: application and mechanism study. Environ Sci Pollut Res Int. 2021 Mar;28 (11):13873-13885. doi: …
Adsorptive Removal of Antimony (III) Using Modified Montmorillonite: A Study on Sorption Kinetics . Ansar Anjum, Monika Datta * Department of Chemistry, University of Delhi, Delhi, India. Email: *[email protected] . Received January 22nd, 2012; revised February 17th, 2012; accepted March 1st, 2012 . ABSTRACT
The adsorptive removal of antimony (III) has been successfully obtained on montmorillonite (MMT) and modified MMT from synthetic solution. The adsorption behavior of the modified and unmodified MMT has been investigated as a function of initial concentration of metal ion in the solution, pH of the solution and contact time using a batch extraction process.
· Similar research results have also appeared in the study of the lanthanum hydroxide loaded on molecular sieve adsorbent for phosphorus removal and the Ce-doped magnetic biochar adsorbent for antimony removal [5,49]. It indicated that the addition of cerium changes the surface properties of NaY.
· Antimony(V) removal from water by hydrated ferric oxides supported by calcite sand and polymeric anion exchanger. Miao Y, Han F, Pan B, Niu Y, Nie G, Lv L. We fabricated and characterized two hybrid adsorbents originated from hydrated ferric oxides (HFOs) using a polymeric anion exchanger D201 and calcite as host.
Antimony (Sb) contamination poses an emerging environmental risk, whereas its removal remains a contemporary challenge due to the lack of knowledge in its surface chemistry and efficient adsorbent. In this study, self-assembly {001} TiO 2 was examined for its effectiveness in Sb removal, and the molecular level surface chemistry was studied ...
The effectiveness of antimony (Sb) removal by using iron-based coagulants was investigated in this study. The effects of pH, coagulant types and dose, equilibrium concentration, co-existing humic acid (HA) and anions, and oxidation process were studied. Effective Sb removal was achieved by using Fe(III)-based coagulants. However, the removal efficiency of Sb by using Fe(II)-based coagulants ...
the study was to verify the sorption properties of some new sorption materials for the removal of antimony (Bayoxide E33, GEH) from selected water resources and compare their effectiveness. 2008/2 PAGES 1 – 6 RECEIVED 15.3.2008 ACCEPTED 26.4.2008 Ilavsky dd 1 17. 6. 2008 5:59:49
· (2008). A STUDY OF THE ION EXCHANGE REMOVAL OF ANTIMONY(III) AND ANTIMONY(V) FROM COPPER ELECTROLYTES. Canadian Metallurgical Quarterly: Vol. …
· The aim of this study was to separate antimony from its acidic aqueous solution with an electrochemical method by cathodic deposition. For this purpose it is essential to know the electrochemical behavior of antimony. Electrochemical studies were conducted on systems in aqueous sulfuric acid solutions containing 20–30 % of antimony. Cyclic voltammetry and stripping experiments …
· red-mud-based materials for heavy metal removal are still unsatisfactory. Moreover, there is a lack of research reports about the removal of antimony using red mud. Very recently, iron oxide composite adsorption materials have been regarded as promising adsorbents for heavy metal removal due to their abundant functional groups and
Antimony occurs widely in the environment as a result of natural processes and human activity. Although antimony is similar to arsenic in chemical properties and toxicity, and a pollutant of priority interest to the USEPA and the EU, its environmental behaviors, control techniques, and even solution chemistry, are yet barely touched. In this study, antimony removal from drinking water with ...
Thermal Analysis Study of Antimony Sulfides 12. PERSONAL AUTHOR(S) Kelley, Charles K. 13a TYPE OF REPORT 13b TIME COVERED 14. DATE OF REPORT (YearMonth, Day) 15. PAGE COUNT Final ... yield Sb S between 193 and 239 C. Removal of, excess sulfur by extraction has little '' effect oý ihe thermal or oxidative properties.J 20 ...
Removal of Antimony and Bismuth from a Copper Electrolyte Solution with Puromet™ MTS9510PF. The industrial production of copper consists of two steps: (1) production of blister copper via smelting of concentrate, followed by (2) electrolysis to produce high purity copper (>99.99%).
In summary, the study presented a comprehensive approach for the preparation of self-assembled core-shell nanocomposite of Co 3 O 4 @rGO and its potential application as efficient antimony adsorbent. Results showed that mesoporous Co 3 O 4 @rGO is an excellent adsorbent for antimony removal and can meet the required antimony levels in drinking ...
· Removal of antimony, classified as a pollutant of priority importance, is a challenge due to its presence in various forms in solution and the low concentration in which it is to be removed. In this study, sorption profile and the sorption mechanisms associated with the removal of antimony in its two oxidation states (+3 and +5) have been investigated in detail through batch studies involving ...
· Lead and Antimony Removal from Contaminated Soil by Phytoremediation Combined with an Immobilization Material. Masahiko Katoh. Corresponding Author. ... This study clearly demonstrated that PS‐S was effective in removing Pb and Sb from the contaminated soil and would be particularly useful for removing elements with high mobility.
· are usually used to explain the removal of Sb from the aquatic environment [10,12–14]. To date, no study has explored the dominant removal mechanism of Sb during chemical coagulation. Therefore, for e cient water treatment applications, it is crucial to understand the removal behavior of Sb(III, V) species after interaction with ferric salts.
Herein, we report the synthesis and characterization of a novel α-MnO2 nanofibers (MO-2) prepared via morphological and phase transitions from δ-MnO2 nanoparticles under hydrothermal reaction in the presence of graphene oxide (GO) for the first time. The MO-2 shows long, compact, and uniform nanofiber morphology. The adsorption properties of antimonite (Sb(III)) and antimonate (Sb(V)) on MO ...
