Bor Serbia Stefan Đorđievski Mining and Metallurgy Institute Bor Serbia Water of Bor River in 1931 00168 of free acid as H 2 SO 4 in 1935 pH 45 81 mgL Fe ID: 1025939
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1. Past and present monitoring results of acid mine drainage around copper mines and smelter in Bor, SerbiaStefan Đorđievski, Mining and Metallurgy Institute Bor, SerbiaWater of Bor River:in 1931 0.0168 % of free acid as H2SO4in 1935 pH = 4.581 mg/L Fe 22 mg/L CuOpen pit Bor and Bor River in 1930sBor River in 10 August 2017Robule Lake in 27 August 2019(AMD accumulation)Robule Lake in 19 July 2022 Water of Bor River from 2015 to 2021 pH 2.1 - 6.366 - 355 mg/L Fe4 to 116 mg/L CuRECLAMATIONAdvanced equipment for monitoring of river waterReclamation activities are intensified
2. Overburden in Bor (8)Open pit Veliki Krivelj (3)Smelter in Bor (13)Flotation tailing pond (5)STUDY AREA
3. Results of the chemical analysis of Bor River from 1931 ParameterUnitBor River upstream from the mineBor River downstream from the mineBor River near the Village Slatina Alkalinity (+) or Acidity (−) as CaCO3mg/L CaCO3+109−171−105Copper, Cumg/Lnot detected7148Sulfate, SO42−mg/L351463831Fe2O3 + Al2O3mg/Lnot detected37078Precipitate FeO + Fe2O3mg/Lnot detectedvery large quant.large quantitiesThe sampling and analysis were carried out by the Agricultural Experimental and Control Station in Topčider, Begrade, the institution from which the contemporary Institute of Soil Science in Belgrade, Serbia was developed..Andrejić B., Sulfuric fume from 1908. to 1935. year – archive material, Book XXVIII, Štampa, radio i film, Bor, Serbia (1983), p. 114.
4. Results of the chemical analsis of rivers around Bor Mine from 1935ParameterUnitIIIIIIIVVVIVIIpHmg/L7.57.15.77.57.74.54.3Dry residuemg/L557.6581.61766651.61942.72152.63164.3SiO2mg/L13.615.966.233.217.93459.2Al2O3 Fe2O3mg/L4178978.5155396.5Al2O3mg/Ltracestraces41.1tracestraces39.2149Femg/L2.811.933.54.95.981173.1Camg/L110127.0274.2122.1453.3348.2338.8Mgmg/L20.322.134.137.617.75480.3SO42−mg/L204.9267.11023.0198.11163.31387.21884.1Cl−mg/L4.64.712.512.819.618.713Cumg/L0020002217I Water from Bela River after passing the village of RgotinaII Water immediately after the junction of Krivelj River and Bor RiverIII Water from Bor River after passing the village of SlatinaIV Water from the Bor Stream in Bor, upstream from the flotationV Water behind the flotation near the barrageVI Water from Bor River after the junction with Bor StreamVII Water from Bor River after passing the cementationAndrejić B., Sulfuric fume from 1935. to 1941. year – archive material, Book XXIX, Štampa, radio i film, Bor, Serbia (1983), p. 161.
5. Geochemical maps of river water from 2015Acknowledgement: This study was conducted as part of the project “Research on the Integration System of Spatial Environment Analyses and Advanced Metal Recovery to Ensure Sustainable Resource Development” that belongs to SATREPS program (Science and Technology Research Partnership for Sustainable Development) supported by the Japan International Cooperation Agency (JICA) and Japan Science and Technology (JST).
6. Distributions of dissolved and particulate forms of Cu and Mn from 2015 to 2021
7. Results of the monitoring of pH value and concentration of the dissolved and particulate form of copper in the period from 2015 to 2021Copper was mainly present in dissolved form in acidic river water, while in neutral and alkaline river water copper was present relatively equally in dissolved and particulate form.
8. Acidity and alkalinity of rivers around copper mines in Bor in 2016Đorđievski, S., Stanković, S., Copper 43 (2) (2018), 81–90.
9. Confluecne of Bor River and Krivelj River in different seasons
10. Reclamation of Robule LakeMinimum and maximum values of water quality parameters from June 2011 to May 2012 ParameterUnitRobule LakepH-2.56 – 4.20SO42−mg/L4604.2–10570.6Cumg/L53.0 – 77.2Femg/L526.4 – 835.6Stevanović Z, Obradović L, Marković R, et al., Mine Waste Water Management in the Bor Municipality in Order to Protect the Bor River Water in Waste Water - Treatment Technologies and Recent Analytical Developments, InTech (2013), p. 41–62.Water quality parameters in September 2021ParameterUnitRobule LakepH-2.70SO42−mg/L10200Cumg/L56.7Femg/L554Monitoring and reclamation activities were intensified in last several years.