Application of aluminium coagulants for the removal of sulphate from mine water

The results of treatment of solutions with high sulphates concentration and the high level of water hardness. Reduction of secondary pollution by chlorides through the integrated use of the hydrochloride of aluminum and sodium aluminate coagulants.

Подобные документы

  • The technology of obtaining and comparative tests of the medical enterosorbents, activated coal and lignin enterosorbents. High activity lignin enterosorbents at the treatment of lacto-dependent diarrhoea. Physical-chemical features of enterosorbents.

    статья, добавлен 02.04.2014

  • This paper describes the synthesis of sodium alginate/hydroxyapatite composites and the influence of the presence of Alg on HA crystallization. It was shown that the presence of Alg and the increase of its concentration leads to the decrease of the HA.

    статья, добавлен 30.07.2016

  • Synthesation, physicochemical properties of nanopowders LaPO4-LuPO4-H2O and LaPO4-YPO4-H2O. Investigation of thermal behavior orthophosphate nanosized solid solutions. Discussion results of the experiment, solubility and melting temperatures of systems.

    статья, добавлен 13.02.2015

  • A new process for developing titanium aluminides using chemical vapor synthesis was investigated in a laboratory experiment. Aluminum subchloride was used as the reducing agent in the reaction with TiCl4 and the source of aluminum for Ti-Al alloy.

    лабораторная работа, добавлен 01.11.2019

  • The role of the technique of volumetric titration with a working solution of sodium thiosulfate with a visual indication of the starch equivalence point during the analysis of the residual active chlorine. Evaluation of its advantages and disadvantages.

    статья, добавлен 10.05.2018

  • Characteristics of the methods of improving the electrical properties, the proper maintenance alloys for electrical purposes. Analysis of the influence of heating temperature on microhardness of the types foreign made Aluminium-Zirconium alloy wires.

    статья, добавлен 25.12.2016

  • Characteristics: chemical properties, compounds, spectroscopy, isotopes. History, commercial production. Applications, biological role: maintaining body fluid volume in animals, maintaining electric potential in animal tissues. Dietary uses, precautions.

    реферат, добавлен 13.11.2009

  • Effect of the segregation of electrically active dopants. Diffusion theory of the hole current. Polysilicon emitter contacts and its dependence on dopant concentration. Hole mobility versus grain size for two values of the total dopant concentration.

    статья, добавлен 29.04.2017

  • Dependence of the size of tannin nanocapsules on the nature of the shell. Considering the nanoparticle in guar gum having the lowest average value and the shell consisting of sodium alginate having the highest value. Properties of nanostructured tannin.

    статья, добавлен 21.05.2023

  • Change of palladium ions concentration during cementation on the magnesium disk in dimethylformamide solution. Chemical microparticles and agglomerates anorganic chlorine compound. Palladium adhesion to the substrate surface in dimethylformamide.

    статья, добавлен 23.02.2016

  • Determined of the dissociation (deprotonation) constants of flavones in water-methanol mixtures. Research of features hydroxyflavones, which have been the convenient models for exploration of the intramolecular proton transfer in the excited state.

    статья, добавлен 29.09.2016

  • A new amine-functionalized graphene oxide nanosheet was prepared via covalently grafting reaction. Results showed that adsorption capacity of GO was significantly improved by amine functionalization. The Langmuir isotherm and pseudosecond kinetic model.

    статья, добавлен 15.01.2021

  • Quantum-chemical calculation of thermodynamic features dye. Spatial structure of the colouring agent "active bright orange CS/5K" molecule. Kinetics process of wastewater treatment from the dye. Mechanism of wastewater treatment from active bright orange.

    статья, добавлен 30.08.2016

  • Study of kinetics of alkaline hydrolysis reaction of methyl esters of substituted 4,5-dimethoxy-N-phenyl-Anthranilic acids in binary solvent dioxane – water, analysis of the dependence lgkT from the nature and position of substituents in pantranco.

    статья, добавлен 29.01.2016

  • Study vapor dynamics and growth of crystals in the solution of the two components chemically neutral - water and sucrose. The conditions under which crystals can be transformed into a solution. Conservation equations for interfacial interactions.

    статья, добавлен 24.02.2016

  • Study of the disinfecting effect of the physical and chemical properties accompanying hydrodynamic cavitation on the sanitary index of microorganisms in water. Model for determining the result of disinfection in conditions of hydrodynamic cavitation.

    статья, добавлен 21.12.2016

  • The environmental pollution as a phenomenon of great concern worldwide. Industrial wastewater samples. Biosorption experimental procedure. System design laboratory. Chemical and physical measurements. The efficiency of laboratory design, main results.

    статья, добавлен 10.03.2018

  • Magnesium as a chemical element and a silvery-white, light-weight metal. Notable characteristics, applications. As the metal. Incendiary use, in magnesium compounds. History, sources, ores, sea water, electrolysis. Biological role, isotopes, precautions.

    реферат, добавлен 13.11.2009

  • The way to save part of the energy released when hydrogen bonds are formed in the form of the energy intensity of their mesh. Conditions for the onset of synchronous transitions of protons from single molecules to molecules of the H-bond network.

    статья, добавлен 10.05.2018

  • Quantitative evaluation of the antimicrobial ability of silver nanoparticles in comparison with silver ions, evaluation of the antimicrobial effectiveness of silver nanoparticles when introduced into water-soluble paints, cotton fabrics, fibrous sorbents.

    статья, добавлен 13.04.2022

  • Control of the stability of calibration characteristic Algorithm of operational control of the error of determination of ammonium ions in drinking water. Photocolorimetric determination of ammonium ion content. Precautions when performing the analysis.

    реферат, добавлен 19.06.2022

  • Identification techniques of fluacizine by color reactions and thin layer chromatography. The results of chromatographic analysis of fluacizine for two systems of solvents. The fluacizine detection by UV-spectrophotometry in phosphate buffer solution.

    статья, добавлен 25.03.2016

  • Research kinetic characteristics of the initial stages of the processes of acid hydrolysis and condensation in the sol-gel systems tetraethoxysilane, ethanol-water by gas chromatography. Using quantum-chemical calculations hydrolysis parameters.

    статья, добавлен 23.02.2016

  • Construction of isothermal section of the phase diagram of the Y–Cu–Sn ternary system at 673 K in the whole concentration range, using X-ray diffraction and EPM analyses. Calculations of crystallographic parameters and theoretical diffraction patterns.

    статья, добавлен 23.02.2017

  • Study of the electrochemical oxidation of methyl tert-butyl ether on micromodified and composite lead dioxide anodes. Anodic conversion of MTBE and electrochemical processes of water oxidation with formation of hydroxyl radicals and molecular oxygen.

    статья, добавлен 30.10.2016

Работы в архивах красиво оформлены согласно требованиям ВУЗов и содержат рисунки, диаграммы, формулы и т.д.
PPT, PPTX и PDF-файлы представлены только в архивах.
Рекомендуем скачать работу и оценить ее, кликнув по соответствующей звездочке.