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Precipitation of niobium and tantalum with phenylarsonic acid using zirconium as a carrier. ... The invention also relates to a corresponding system for precipitating calcium carbonate in connection with cellulose- containing fibres. ... Il prvient trs efficacement la prcipitation du sulfate de baryum BaSO4.
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This method for producing -caprolactam is to use a catalyst obtained by precipitating zirconium oxide containing sulfur on a carrier from an alcoholic solution of zirconium sulfate and bring the cyclohexanone oxime into contact with the above catalyst in gassolid phase.
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2013-8-31adding water, precipitating the hydrous titanium or zirconium oxide with ammonium hydroxide, filtering, and evaporating the filtrate to dryness. The residue was dissolved in a small volume of H2S04, ignited, and weighed as potassium sulfate K2S04. The Hg ion as - and
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2020-4-24articleosti4298760, title DETERMINATION OF URANIUM, ZIRCONIUM, MAGNESIUM AND IRON IN BISMUTH ALLOYS, author Kirby, K W and Crawley, R H.A., abstractNote Uranium in bismuth ahioys is determined by a procedure where E.D.T.A. is added to complex bismuth and other metals and uranium oxinate is extracted by chloroform and determined
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2013-7-23The influence of chemical and thermal treatment on the point of ... solution sample 1 and zirconium sulfate ZrSO42H2O solution sample 2 concentration 0.71 mol dm-3 with potassium hydroxide 3.0 mol dm-3, ... the nature of the cations of the precipitating reagent could cause
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Precipitation of niobium and tantalum with phenylarsonic acid using zirconium as a carrier. ... The invention also relates to a corresponding system for precipitating calcium carbonate in connection with cellulose- containing fibres. ... Il prvient trs efficacement la prcipitation du sulfate de baryum BaSO4.
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membranes Salt-splitting Sodium sulfate 1 Introduction Black liquor, a byproduct of pulp mills, is combusted for the energy contained in its organic components. However, black liquor also contains inorganic components, such as sodium sulfate Na 2SO 4, which is recovered from the boiler ue gas by an electrostatic precipitator 1. In
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The precipitating agent may be any of several known agents, including polyethylene glycol and ammonium sulfate. ... Sulfated ZrO2-SiO2 catalysts were synthesized by one-pot sol-gel method using ammonium sulfate, zirconium propoxide, and tetraethyl orthosilicate as precursors.
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2018-10-1The high-purity manganese dioxide is prepared by leaching low-grade manganese ore with ferrous sulfate from by-product of titanium white,removing impurities,precipitating manganese carbonate,roasting manganese carbonate and refining manganese dioxide.
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2020-4-24Heavy metals precipitation The principle technology to remove metals pollutants from wastewater is by chemical precipitation. Chemical precipitation includes two secondary removal mechanisms, coprecipitation and adsorption . Precipitation processes are characterized by the solubility of the metal to be removed. They are generally designed to precipitate trace metals to their solubility
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This method for producing -caprolactam is to use a catalyst obtained by precipitating zirconium oxide containing sulfur on a carrier from an alcoholic solution of zirconium sulfate and bring the cyclohexanone oxime into contact with the above catalyst in gassolid phase.
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The process is based on spraying zirconia sol zirconium basic carbonate, yttrium oxide, zirconium oxychloride, zirconium sulfate into an ammonia water solution, followed by drying of the gel precipitate and calcination. Sol-gel transformation was conducted by spraying the sol into a chamber containing a vessel with an ammonia-water solution.
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The precipitating agent may be any of several known agents, including polyethylene glycol and ammonium sulfate. ... Sulfated ZrO2-SiO2 catalysts were synthesized by one-pot sol-gel method using ammonium sulfate, zirconium propoxide, and tetraethyl orthosilicate as precursors.
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Precipitation of niobium and tantalum with phenylarsonic acid using zirconium as a carrier. ... The invention also relates to a corresponding system for precipitating calcium carbonate in connection with cellulose- containing fibres. ... Il prvient trs efficacement la prcipitation du sulfate de baryum BaSO4.
Get A Quote
membranes Salt-splitting Sodium sulfate 1 Introduction Black liquor, a byproduct of pulp mills, is combusted for the energy contained in its organic components. However, black liquor also contains inorganic components, such as sodium sulfate Na 2SO 4, which is recovered from the boiler ue gas by an electrostatic precipitator 1. In
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2017-4-8PtZr02SOq was prepared by precipitating zirconium hydroxide from the nitrate salt using a 28 ammonium hydroxide solution. Ten grams of Zr0Hq dried at 110C were slurried into 20 cm3 of an aqueous chloroplatinic acid solution containing 0.05 g Pt. After stirring for 5 min, the solids were filtered and dried overnight at 110C.
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2020-4-24Heavy metals precipitation The principle technology to remove metals pollutants from wastewater is by chemical precipitation. Chemical precipitation includes two secondary removal mechanisms, coprecipitation and adsorption . Precipitation processes are characterized by the solubility of the metal to be removed. They are generally designed to precipitate trace metals to their solubility
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2018-5-3A Study on the Precipitation of Calcium as Calcium-Fluoride. Raul Morales ... V The Effect of Excess Precipitating Agent on the Weight of Precipitate Produce. ... 59 VI The Effect of Fluoride Ions on the ... presence of sulfate or alkaline substances, calcium can cause
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Sulfate of potash is an excellent high-potassium, low-chloride fertilizer providing essential nutrients that help plants resist disease and pests, ensure a longer shelf life, and produce tastier and more attractive produce without the excess chloride that can harm crops.
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2019-8-30radium cation sulfate for example to generate a soluble compound. Extraction with nitric acid is partly based on this process, generating soluble radium nitrate. 13.2.3 Oxidation-Reduction Processes . Oxidation-reduction redox processes are an
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The precipitating agent may be any of several known agents, including polyethylene glycol and ammonium sulfate. ... Sulfated ZrO2-SiO2 catalysts were synthesized by one-pot sol-gel method using ammonium sulfate, zirconium propoxide, and tetraethyl orthosilicate as precursors.
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Vrifiez les traductionssulfate de titane en Anglais. Cherchez des exemples de traductions sulfate de titane dans des phrases, coutez la prononciation et apprenez la grammaire.
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Sulfate of potash is an excellent high-potassium, low-chloride fertilizer providing essential nutrients that help plants resist disease and pests, ensure a longer shelf life, and produce tastier and more attractive produce without the excess chloride that can harm crops.
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Elemental zirconium is transparence to thermal neutrons, making it ideal candidate as a structural material in nuclear reactors 4. Hf has been found to be a good neutrons absorbent, leading to its use as a moderator in control rods in nuclear reactors5. Zirconium and hafnium alloys have high corrosion and creep resistance, and therefore
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Fracking, or hydraulic fracturing, is a process of extracting oil and natural gas from underground shale formations, by inducing the formation of fissures along the shale rock. These cracks are induced by pumping hydraulically pressurized fluids through the formations. The nature and composition of this fracking fluid is elucidated in this article.
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