Search results for keyword: sulfides
redox agent
Oxidation-Reduction Agents
Oxidation-reduction, often abbreviated as redox, involves the transfer of electrons from one substance to another. Redox reactions are responsible for a vast array of chemical processes that occur throughout nature. Most notably, redox reactions are responsible for the ......
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Copper smelting wastewater treatment
Introduction
Copper smelting wastewater is a kind of industrial waste water which comes from the production process of copper smelting. It contains many hazardous substances, such as heavy metals, hydrocarbons, sulfides, oils and fats. If it is not treated properly, it may cause serious pollutio......
Greening of tailings pond
Tailings reservoir greening
Tailings reservoirs are the frequent by-products of mining activities. They are the residues after extraction of valuable materials and contain a variety of metals and sulfides. Tailings reservoirs are often associated with damage to the natural environment, as they ma......
Condensed silica fume treatment
Condensation Silicon Powder Treatment
Condensation silicon powder is a form of silica dust that can be generated during industrial processes that involve the use of silica-containing materials. Fine silica particles dispersed in the air can cause a number of health problems, including respiratory......
Requirements for heavy oil drainage
Introduction
The discharge of refinery wastewater is an important problem that the refining industry needs to consider. Refinery wastewater is generated during the operation of petroleum refineries and can contain high concentrations of oil, grease, suspended solids, and sulfur-containing compoun......
Cleaner production in the iron and steel industry - A/O biological denitrification technology for coking wastewater
Clean Production in the Iron and Steel Industry: A/O Biological Denitrification Technology for Sintering Waste Water
Iron and steel is one of the most important industries in the world, with major economies heavily dependent on it for economic development. The industry is also one of the largest ......
Coking wastewater pretreatment
Pretreatment of hydrodesulfurization wastewater
Hydrodesulfurization (HDS) wastewaters are generated from the refining industry during the hydrorefining process for hydrotreating of petroleum products. HDS is an important process considered in the design of most petroleum refineries, not only due......
Metallurgical mine wastewater treatment
Treatment of Metallurgical Mine Wastewater
Introduction
Mining wastewater is wastewater produced during the extraction of metals and minerals, including tailings and waste rock. Refractory and precious metals are generally extracted from this type of wastewater. The treatment can also involve re......
Tailings disposal
Tailings Management
Tailings are the by-product of ore processing that contains valuable minerals that could not be recovered in the conventional ore processing method. Tailings contain a wide range of materials including ore concentrates, gangue minerals and unwanted minerals such as sulfides, ......
HJ/T 60-2000 Determination of sulfide in water by iodometric method
translation: Determination of Sulfide in Water Quality According to HJ/T 60-2000 Iodometry Method
Sulfide is an important environmental pollutant and its concentrations must be determined to assess water quality. HJ/T 60-2000 iodometry method is a reliable and widely-used qualitative method used t......
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