scholarly journals The Fe (II) and Mn (II) adsorption in acid mine drainage using various granular sizes of activated carbon and temperatures

2021 ◽  
Vol 882 (1) ◽  
pp. 012065
Author(s):  
Suliestyah ◽  
Pancanita Novi Hartamai ◽  
Indah Permata Sari ◽  
Edwardo Alexander
Keyword(s):  
Activated Carbon ◽  
Acid Mine Drainage ◽  
Adsorption Process ◽  
Mine Drainage ◽  
Atomic Absorption Spectrophotometry ◽  
Carbon Surface ◽  
Acid Mine ◽  
Bet Method ◽  
Fe And Mn ◽  
Mn Concentrations

Abstract Acid mine drainage (AMD) from coal mining activities contains Fe and Mn concentrations that often exceed environmental quality requirements. This study aims to determine the effect of the coal material size and temperature on the adsorption process of Fe and Mn metals contained in AMD using activated carbon made with a composition of 60% coal and 40% ZnCl2. For characterizing activated carbon, surface morphological was analyzed using SEM method, and surface area was analyzed using BET method. Meanwhile, for measuring Fe and Mn concentrations, the researchers used atomic absorption spectrophotometry. The adsorption process was carried out with various granular sizes of activated carbon (20, 28, 35, 48 and 60 mesh) and temperature (25, 35, 40, 45 and 50°C). The results showed that the maximum adsorption of Fe was 100% occurred in the treatment with an activated carbon size of 60 mesh and a temperature of 45°C, while the maximum adsorption of Mn was 11.91% in the treatment with an activated carbon size of 60 mesh and a temperature of 50°C. Furthermore, the activated carbon of coal is highly effective as an adsorbent for Fe in AMD waste but less effective for Mn.

Treatment of Copper-Containing Acid Mine Drainage by Neutralization-Adsorption Process Using Calcite as Neutralizer and Polyhydroxamic Acid Resin as Adsorbent

2012 ◽  
Vol 161 ◽  
pp. 200-204 ◽  
Author(s):  
Shuai Wang ◽  
Gang Zhao ◽  
Zhong Nan Wang ◽  
Qian Zhang ◽  
Hong Zhong
Keyword(s):  
Sulfuric Acid ◽  
Acid Mine Drainage ◽  
Acid Solution ◽  
Sulfuric Acid Solution ◽  
Adsorption Process ◽  
Mine Drainage ◽  
Acid Mine ◽  
Adsorption Capacities ◽  
Adsorption And Desorption Performance ◽  
Almost All

Acid solution and copper-containing acid mine drainage (AMD) was treated by neutralization-adsorption process. The results showed that pH can be adjusted to 4.0 by adding 10g·L-1calcite in acid solution with pH=1.0. Adsorption and desorption performance of poly(hydroxamic acid) (PHA) resin for Cu2+and Fe3+ions were investigated by column tests. The results showed that adsorption capacities of PHA for Cu2+and Fe3+ions were satisfying, and the metals adsorbed on PHA can be eluted by sulfuric acid solution effectively. AMD of Dexing copper mine of Jiangxi was treated as a sample. The results showed that 1.5g·L-1calcite can remove almost all of the Fe3+ion, and Cu2+ion can be removed by PHA and then be eluted by sulfuric acid solution with adsorption ratio of 98.95% and elution ratio of 98.50%, separately.

scholarly journals Adaptation and Growth of Botryococcus braunii on Acid Mine Drainage

2020 ◽  
Vol 9 (3S) ◽  
pp. 238-241
Keyword(s):  
Growth Rate ◽  
Acid Mine Drainage ◽  
Mine Drainage ◽  
Botryococcus Braunii ◽  
Metal Exposure ◽  
Acid Mine ◽  
High Metal Content ◽  
Fe And Mn ◽  
Initial Ph ◽  
The Media

Phycoremediation of acid mine drainage (AMD) is an alternative to AMD treatment but has limited applications. The obstacle in the application of AMD phycoremediation is that the characteristic of wastewater which limits the growth of microalgae, where AMD has a high metal content and low pH. In this study, Botryococcus braunii was cultured on media with variations in the addition of AMD of (v/v) 0%, 2.5%, 3%, 3.5%, 4% and had a pH of 7.2, 5.6, 5.1, 4.8, 4.3, respectively, on the photobioreactor. Botryococcus braunii growth rate was analyzed, as well as the effect of metal exposure and pH variations on the growth of Botryococcus braunii. Botryococcus braunii showed different growth rates, sequentially from the highest rate in the media with addition of AMD (v/v) 2.5%, 3%, 0%, 3.5%, 4% is 1.403 d-1 ,1.374 d-1 ,0.0862 d-1 ,0.0738 d-1 , and 0.0616 d-1 . It is known that the highest growth rate of Botryococcus braunii is obtained in media with 2.5% (v/v) AMD with an initial pH of 5.6, and Fe and Mn concentrations of 2.15 mg.L-1 and 0.62 mg.L-1 , respectively. It is also known the ability of Botryococcus braunii to adapt to acidic conditions with Fe and Mn content, where Botryococcus braunii plays a role in increasing media pH and is able to remove Fe and Mn with the highest values of 84.28% and 98%, respectively.

Optimization of Fe and Mn Removal from Coal Acid Mine Drainage (AMD) with Waste Biomaterials: Statistical Modeling and Kinetic Study

2018 ◽  
Vol 11 (3) ◽  
pp. 1143-1157 ◽  
Author(s):  
Dámaris Núñez-Gómez ◽  
Flávio Rubens Lapolli ◽  
Maria Elisa Nagel-Hassemer ◽  
María Ángeles Lobo-Recio
Keyword(s):  
Acid Mine Drainage ◽  
Kinetic Study ◽  
Statistical Modeling ◽  
Mine Drainage ◽  
Acid Mine ◽  
Fe And Mn

Comparison of Fe and Mn removal using treatment agents for acid mine drainage

2009 ◽  
Vol 30 (5) ◽  
pp. 445-454 ◽  
Author(s):  
Jaeyoung Choi ◽  
Dongwook Kwon ◽  
Jung‐Seek Yang ◽  
Ju Young Lee ◽  
Young‐Tae Park
Keyword(s):  
Acid Mine Drainage ◽  
Mine Drainage ◽  
Acid Mine ◽  
Fe And Mn

scholarly journals Removal of Pb(II) from Acid Mine Drainage with Bentonite-Steel Slag Composite Particles

2019 ◽  
Vol 11 (16) ◽  
pp. 4476 ◽  
Author(s):  
Xinhui Zhan ◽  
Liping Xiao ◽  
Bing Liang
Keyword(s):  
Acid Mine Drainage ◽  
Liquid Film ◽  
Adsorption Process ◽  
Mine Drainage ◽  
Diffusion Rate ◽  
Steel Slag ◽  
Composite Particles ◽  
Particle Diffusion ◽  
Film Diffusion ◽  
Acid Mine

Abandoned lead and zinc (Pb-Zn) mines around the world produce large amounts of acid mine drainage (AMD) containing Pb(II), which is toxic and accumulates in the environment and in living organisms. Bentonite-steel slag composite particles (BSC) are a new type of acid mine drainage (AMD) treatment material that can remove heavy metal ions and reduce acidity. To date, there have been no reports on the treatment of Pb(II)-containing AMD using BSC. Therefore, the effects of pH, reaction time, temperature, and Pb(II) concentration on the adsorption of Pb(II) onto BSC were studied. Moreover, the BSC before and after the reaction, as well as the precipitation after the reaction, were characterized by scanning electron microscopy and X-ray diffraction analyses. The effect of pH on the adsorption process is similar to that of the formation of soluble and insoluble hydrolysates of Pb(II) on pH. The adsorption mechanism includes ion exchange, complexation, precipitation, and synergistic adsorption–coagulation effect. Adsorption kinetics are best-fit with the pseudo-second order kinetics model ( R 2 > 0.98). Furthermore, the total adsorption rate is controlled by liquid film diffusion and in-particle diffusion, the liquid film diffusion rate being higher than the in-particle diffusion rate. The isothermal adsorption of Pb(II) onto BSC fit well with Langmuir and Brunauer Emmett Teller (BET) isotherms ( R 2 > 0.995), and both single layer adsorption and local multilayer adsorption were observed. Thermodynamic analysis revealed that the adsorption process is spontaneous and endothermic, and that the degree of freedom increases with time. In summary, this study provides a theoretical basis for the use of BSC in treating AMD containing Pb(II).

scholarly journals Adsorption Kinetics of Fe and Mn with Using Fly Ash from PT Semen Baturaja in Acid Mine Drainage

2017 ◽  
Vol 1 (1) ◽  
Author(s):  
Indah Purnamasari ◽  
Endang Supraptiah
Keyword(s):  
Heavy Metal ◽  
Fly Ash ◽  
Acid Mine Drainage ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Mine Drainage ◽  
Coal Fly Ash ◽  
Adsorption Model ◽  
Acid Mine ◽  
Fe And Mn

One used method to reduce heavy metal ions in acid mine drainage is to adsorb them by coal fly ash. This research aimed to study the isotherms equilibrium and the adsorpstion kinetics that fit with decreasing metals ion. Acid mine draigane and fly ash were charge into batch coloumn adsorption with specified comparison. Variables investigated were dactivated and activated fly ash, adsorption times (0, 20, 30, 40,50, and 60 minutes), adsorben weights (10, 20, 30, 40, 50, and 60 gram), and pH (1, 3, 5, 7, and 9). The results showed that fly ash can be used to reduce the levels of heavy metal ions Fe and Mn. Coal fly ash adsorption model of acid mine drainage fits to Freundlich adsorption isotherm in all condition. First order pseudo model kinetics is suitable for Fe and Mn adsorption processes. The value of adsorpsi rate constants vary around : Fe and Mn (deactivated fly ash) 0.2388 min-1 with R2 = 0.4455 and 0.4173 min-1 with R2 = 0.9781, Fe and Mn (activated fly ash) 0.5043 min-1 dengan R2 = 1 and 0.2027 min-1 with R2 = 0.8803.

scholarly journals Effectiveness of carbon active processed from coal in treating the acid mine drainage at a laboratory scale

2021 ◽  
Vol 882 (1) ◽  
pp. 012066
Author(s):  
Suliestyah ◽  
Edy Jamal Tuheteru ◽  
Indah Permata Sari ◽  
M Wisnu Fajar
Keyword(s):  
Activated Carbon ◽  
Acid Mine Drainage ◽  
Metal Content ◽  
Mine Drainage ◽  
Ph Value ◽  
Laboratory Scale ◽  
Weight Changes ◽  
Acid Mine ◽  
East Kalimantan ◽  
Coal Reserves

Abstract Low to medium calorie coal reserves dominate Indonesia area. Referring to such amount, the potential for coal synthesis into activated carbon is also massive. The potential utilization of activated carbon from coal to process the acid mine drainage is still developing. This research aims to see the effect of activated carbon to the acid mine drainage from coal mining in a laboratory scale using a weight basis and the contact time between activated carbon and acid mine drainage. The sample is taken from one of the mining locations in East Kalimantan Province. The results showed the effect of the activated carbon weight changes in its pH value, which indicated an increase in pH from 2.19 to a decrease in Fe metal content from 45.2 to 0.1 mg/L and a decrease Mn metal content from 7.22 to 5.3 mg/L. The activated carbon from coal is very effective as an adsorbent for Fe metal but less effective for Mn metal.

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