Ferric Sulphate Coagulant Obtained by Leaching from Coal Tailings
Sign Up to like & getrecommendations! Published in 2017 at "Mine Water and the Environment"
DOI: 10.1007/s10230-017-0453-5
Abstract: A ferric sulphate solution was produced from pyritic coal tailings for potential use as a coagulant for water and wastewater treatment. Laboratory-scale leaching experiments were carried out with four tailings with different concentrations of pyrite.… read more here.
Keywords: die; sulphate; ferric sulphate; mit ... See more keywords
Erratum to: Availability of fertiliser sulphate and elemental sulphur to canola in two consecutive crops
Sign Up to like & getrecommendations! Published in 2017 at "Plant and Soil"
DOI: 10.1007/s11104-017-3345-3
Abstract: Aims We compared elemental sulphur (ES) and sulphate fertilisers in terms of yield and S uptake. Methods Two consecutive canola crops were grown on S-labelled soil amended with ammonium sulphate, ES-bentonite pastilles (90 % ES),… read more here.
Keywords: canola; two consecutive; sulphate; crop ... See more keywords
Cellulose nanofibres (CNF) for sulphate resistance in cement based systems
Sign Up to like & getrecommendations! Published in 2019 at "Cement and Concrete Composites"
DOI: 10.1016/j.cemconcomp.2019.03.005
Abstract: Abstract Cellulose nanofibres (CNF) are employed for the first time to address sulphate penetration and subsequent dimensional change in the cementitious system. Using four different Portland cement based binders, paste and mortar mixtures were prepared… read more here.
Keywords: cellulose nanofibres; sulphate; resistance; cement ... See more keywords
Crack growth prediction of cement-based systems subjected to two-dimensional sulphate attack
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.06.187
Abstract: Abstract This paper investigates numerically the two-dimensional diffusion-reaction behavior of sulphate ions in cement-based materials in accordance with Fick’s second law of diffusion and reaction kinetics, and the tensile constitutive law, on account of ettringite… read more here.
Keywords: sulphate attack; crack growth; sulphate; cement ... See more keywords
Models for the acute and chronic aqueous toxicity of vanadium to Daphnia pulex under a range of surface water chemistry conditions.
Sign Up to like & getrecommendations! Published in 2019 at "Ecotoxicology and environmental safety"
DOI: 10.1016/j.ecoenv.2019.04.052
Abstract: Alberta's oil sands petroleum coke (PC) generation has in recent years surpassed 10 million tonnes. Petroleum coke has been proposed as an industrial-scale sorbent to reduce concentrations of organic chemicals in oil sands process-affected water… read more here.
Keywords: surface water; sulphate; chemistry; daphnia pulex ... See more keywords
Recovery of gallium from strong acidic sulphate leach solutions of zinc refinery residues using a novel phosphate ester extractant
Sign Up to like & getrecommendations! Published in 2019 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2019.03.001
Abstract: Abstract A novel phosphate ester extractant (H2R) was used to extract gallium directly from strong acidic sulphate leach solutions of zinc refinery residues. The results indicated that the application acidity of H2R significantly exceeded those… read more here.
Keywords: strong acidic; sulphate leach; acidic sulphate; sulphate ... See more keywords
Effects of reactor geometry and electron donor on performance of the hybrid linear flow channel reactor
Sign Up to like & getrecommendations! Published in 2020 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2020.105462
Abstract: Abstract Semi-passive sulphate reducing bioreactors show potential to play an important role in remediation of persistent, low volume acid or neutral rock drainage, characterised by high sulphate concentration. The hybrid linear flow channel reactor (LFCR)… read more here.
Keywords: electron donor; sulphate; geometry; performance ... See more keywords
Linking performance and microbial ecology in a biological sulphate reducing reactor system with biomass retention developed for the treatment of acid rock drainage
Sign Up to like & getrecommendations! Published in 2020 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2020.105471
Abstract: Abstract Biological sulphate reduction (BSR) represents a sustainable process option for the remediation of low-flow acid rock drainage (ARD) effluents. The linear flow channel reactor (LFCR) was developed as a semi-passive bioreactor facilitating sulphate reduction… read more here.
Keywords: system; sulphate; performance; biological sulphate ... See more keywords
Leaching of zinc from a lead-zinc flotation tailing sample using ferric sulphate and sulfuric acid media
Sign Up to like & getrecommendations! Published in 2017 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2017.09.005
Abstract: Abstract Zinc is one of the most important metal required in metallurgical and chemical industries. As the high-grade resources diminished, the treatment of processing plants tailings can be considered as a metal significant source. Leaching… read more here.
Keywords: sulphate; leaching zinc; ratio; ferric sulphate ... See more keywords
Separation of COD, sulphate and chloride from pharmaceutical wastewater using membrane integrated system: Transport modeling towards scale-up
Sign Up to like & getrecommendations! Published in 2020 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2020.104275
Abstract: Abstract The effluent from the pharmaceutical industries is a serious threat to the environment because of the existence of high chemical oxygen demand, ionic Chloride and Sulphate concentrations. To bring down the pollutant level as… read more here.
Keywords: system; sulphate; clean water; membrane ... See more keywords
Sodium-sulphate production from sulphate-rich bittern: A parametric study and economic evaluation
Sign Up to like & getrecommendations! Published in 2021 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2021.105632
Abstract: Abstract Concentrated brines and bitterns rejected from various processes contain mineral salts of economic value. For example, sulphate-rich bittern generated at saltworks in the Rajasthan state of India exceeds 3 million tons annually and requires… read more here.
Keywords: sulphate production; rich bittern; sulphate; sulphate rich ... See more keywords