Cementing sulfur tailings using low-clinker cement
Sulfidic tailings (STs) with excessive sulfur content are vulnerable to oxidation, which generates sulfates, leading to incompatibility with cement clinker. In this regard, M32.5 …
Utilization of high-sulfur iron ore tailings in cement mortar …
This work investigates the usage of graded iron ore tailing sands (GIOT) as aggregates in cemented mortar to reduce the pollution of iron ore tailings (IOT) and shortage of …
Compositional properties and geotechnical behavior of …
What are mining tailings' main chemical, mineralogical, physical, and geotechnical properties, and what potential applications can be assessed based on these properties? To address this question, this literature review focused on these properties as observed in a wide range of tailings. It was identified that these materials are predominantly sandy silts composed …
Microbial Sulfur Pathways and Outcomes in Tailings …
Specifically, identification of how microbial sulfur oxidation activity affects monitoring of sulfate concentration and acidity generation in base metal mine tailings …
Utilization of high-sulfur iron ore tailings in cement mortar …
This work investigates the usage of graded iron ore tailing sands (GIOT) as aggregates in cemented mortar to reduce the pollution of iron ore tailings (IOT) and shortage of river sands.
Utilization of sulfur iron ore tailing (SIOT) in GGBS …
The effect of the dosage of sulphur-containing tailings (STs) and curing temperature on the properties of M32.5 cement mortar and the performance of mortar at curing temperatures of 23 ± 1, 40, 60, and 80 °C was investigated and showed that the addition of STs reduced the fluidities of mortar, and the fluidity decreased with the increase of the STs dosage.
High precision analysis of all four stable isotopes of sulfur
Sulfur hexafluoride is produced by reaction of sulfide minerals ... Table 1. Shot noise errors (3 ... respectively. The scan shows tailing of 127 ion beam onto 128 and onto 131 when He is introduced to the mass spectrometer. There also is a peak of mass-132 on the left of 131 that is a contaminant in reference gas.
CN109092552A
The invention belongs to Mineral Processing Engineering fields, more particularly to the method for a kind of bulk flotation sulphur, arsenic from vulcanization tailing, raw material is levigate through ore grinding, waste acid is sized mixing in the addition zinc abstraction production of ore grinding ore pulp, and it is pre-processed with ultrasonic wave, treated, and ore pulp enters a …
Sulfur Definition, Facts, Symbol, Allotropes, Properties, Uses
What is Sulfur. Sulfur (pronunciation: SUL-fer) is a yellowish powdery or crystalline element belonging to the family of Chalcogen and nonmetals in the periodic table and is represented by the chemical symbol S [1, 2, 3].Although pure sulfur is odorless, the bad smell linked with the element comes from some of its compounds, including hydrogen sulfide (H 2 S) that produces …
A study on the desulfurization of sulfidic mine tailings for the
A summary of the results from the characterization of the flotation products is presented in Appendix E - Table E1, Table E2, Table E3. MLA and ICP-OES were used to quantify the mineral phases and the chemical assays in Conc 2 and Tail 2 (obtained using 50 g/t SIBX and 5 min of flotation) and Conc 3 and Tail 3 (obtained using 100 g/t SIBX and ...
Mechanical properties and energy damage evolution …
Sulfur tailings with different sulfur content were prepared by mixing sulfur concentrate and common tailings. Fig 1 describes the particle size distribution of Test materials.
Recovery of pyrite from copper tailings by flotation
The pyrite grade in the fresh tailing sample and in the flotation product was determined indirectly from the content sulfur, copper and iron. Calculations carried out considering the elemental chemical composition presented in Table 1 and the mineralogical species that contained sulfur, identified by the XRD analysis, allowed to determine that the fresh tailings …
(PDF) Acidity and sulfur oxidation intermediate …
| Physiochemical depth profiles in tailing impoundment waters from 2015 to 2018 (0-10 m; comprising the epilimnion, metalimnion and upper hypolimnion when stratified, of the ~38 m water column).
EFFECT OF SULFURIC ACID TREATED MINE TAILINGS …
LIST OF TABLES (Cotttinued) Table 9„ 10 o, : . ; ., " v . Page A summary of the iron„ copper, and sulfur content in the tops of Kafir sorghum grown under greenhouse
sulfur table tailing
Sulfur Periodic Table and Atomic Properties Material. 2 ·Atomic Number Protons Electrons and Neutrons in Sulfur Sulfur is a chemical element with atomic number 16 which means there are 16 protons in its number of protons in the nucleus is called the atomic number of the atom and is given the symbol total electrical charge of the nucleus is therefore Ze where e elementary …
High Potential for Anaerobic Microbial Sulfur Oxidation in …
1. Introduction. Oil sands tailings ponds are the primary settling basins for the storage and long-term containment of tailings produced during the extraction of bitumen from surface mining in northern Alberta (Canada) [].Due to the large scale of operations, oil sands development is associated with adverse environmental issues, such as the accumulation of …
Physical properties of mine tailings. | Download …
Physical properties of mine tailings. Cemented paste backfill is a method increasingly used by modern mines throughout the world due to increasingly stringent environmental regulations on sulfur...
Microbially mediated sulfur oxidation coupled with arsenate …
The sulfur oxidization–related genes were identified as core gene clusters for all three identified SOAsR populations (Supplementary Fig. S5 – S6 and Supplementary Table S8). The co-presence of both sulfur oxidization and As(V) reduction genes in retrieved Sulfuricella-and Ramlibacter-associated MAGs suggested their potential for coupling ...
[PDF] Effect of Sulphur-Containing Tailings Content and …
The effect of the dosage of sulphur-containing tailings (STs) and curing temperature on the properties of M32.5 cement mortar and the performance of mortar at curing temperatures of 23 ± 1, 40, 60, and 80 °C was investigated and showed that the addition of STs reduced the fluidities of mortar, and the fluidity decreased with the increase of the STs dosage. The effect of …
Selective Flotation of Elemental Sulfur from Pressure Acid …
An efficient flotation process was developed to selectively recover elemental sulfur from a high-sulfur pressure acid leaching residue of zinc sulfide concentrate. The process mineralogy analysis showed that the sulfur content reached 46.21%, and 81.97% of the sulfur existed as elemental sulfur which was the major mineral in the residue and primarily existed as pellet aggregate and …
Microbial Sulfur Pathways and Outcomes in Tailings
Here, we developed a novel diagnostic approach to detect microbially driven sulfur pathways. Within this 28-day study, eight on-site, 500 L mesocosms were filled with water extracted directly from the water cap of an active Ni/Cu mine tailings impoundment.
Comprehensive utilization of lead–zinc tailings, part 1: …
The total tailings reach 10 million tonnes and are mainly stored in a tailing reservoir, except for a small portion that was utilized for underground filling. ... The contents of the major metals in the cinder are listed in Table 6. The sulfur content dropped significantly whereas the metals content increased. Therefore, the roasting procedure ...
Recent Advances and Future Prospects on the Tailing …
Acid mine drainage, produced from sulfur-containing mine waste exposed to air, water, and bacteria, is considered as a serious environmental pollutant because of its extremely low pH and excessive heavy metals. In order to solve the ecological environment problems caused by the acid mine drainage, treatment methods such as neutralization, adsorption, passivation, bio …
Legacy copper/nickel mine tailings potentially harbor novel iron/sulfur
The core samples were subsectioned in lengths of 10 cm (except for the ends of each core, which were 10–17 cm), generating a total of 112 samples (Table S1). A core collected, frozen, and processed in the same way from NR18 in 2019 was used for comparison to 2021 samples (Table S1).
Speciation of Mercury Contaminant in Public Gold Mine Tailing …
Tailing waste flows from the amalgam mixing drum near the sample collection point RESULTS AND DISCUSSIONS Mercury content in tailing The mercury concentrations in the tailing pile samples varied from 277.47 to 352.32 mg/kg (Table 1). The T1 and T2 tailing samples were classified as toxic of acute level (category 1), whereas T3 sample was toxic ...
Periodic Table
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups. Periodic Table of Elements ... 16 S Sulfur 32.06; 17 Cl Chlorine 35.45; 18 Ar Argon 39.948; 4. 19 K Potassium 39.098; 20 Ca Calcium 40.078; 21 Sc Scandium 44.956; 22 Ti Titanium 47. ...
Removing sulfur dioxide from smelting flue and increasing …
Table 1 lists the elemental compositions of the copper tailing; the main elemental compositions included Fe, Si, Ca, Zn, Al, and O, with a small amount of Mn and Cu. Fig. 2 shows the phases of the copper tailing and shows that Fe 3 O 4 and Fe 2 SiO 4 are the dominant phases of copper tailing.
(PDF) Recovery of Sulfur, Copper, and Gold by Reprocessing …
Recovery of Sulfur, Copper, and Gold by Reprocessing Old Flotation Tailings at Bor, Serbia. ... Table 1: Reagents used for the otation experiments. Reagents Formula Type Commercial Name
Effect of Sulphur-Containing Tailings Content and Curing …
Jiang et al. found that the tailings backfill with sulfur content less than 18% had strength greater than 1.2 MPa after 28 days and can be directly used as filling aggregate.
Research on Beneficiation and Reprocessing of Gold Tailings
The most indispensable part of the ore process engineering is the shaking table operation, so that the recovered products can not only be applied to metal ores or gold mines. After the shaking table and other processes, the gold content of the gold grade can reach per ton of gold ore, and the survival rate in the spiral chute will be between 0.09%, which means the …