Send a Message

Contact Us

Company Address

Zhengzhou, China.

Use of calcined dolomite as chemical coagulant in the

In this research, calcined dolomite was used as a coagulant for phosphorus and nitrogen removal from synthetic (NH. 4) 2HPO 4 solution. Molar ratios Molar ratios Mg:P:N of 1.1-1.6:1-2:2 was used in the experiments. Calcination at 750 °C decomposed most of the MgCO 3 to MgO, but CaCO 3 was mostly as carbonate, while calcination at 950 °C decomposed the dolomite completely. Ammonium removal

Use of Calcined Dolomite as Chemical Precipitant in the

In this research, calcined dolomite (a waste fraction) was used to simultaneously precipitate phosphate and ammonium from agricultural sludge in addition to synthetic (NH4)2HPO4solution. E ects of calcination temperature, precipitation time and precipitant dosing on the removal eciency of phosphate and ammonium were studied.

Calcined Dolomite

Mines Along with Manufacturing Unit with Installed Capacity of Calcined Dolomite 50 TPD, Raw Dolomite 400 TPD. 5 Hectors Mines with 12.20 Million Tonnes of Low Silica Dolomite Deposit with 90,000 tonnes per annum approved production permission. Mines with 72.20 Million Tonnes of Highgrade Dolomite Deposit with 100,000 tonnes per annum approved

Lime and Calcined Dolomite for Use in Steel Plant IspatGuru

Calcined dolomite is also known as dolime or doloma. When dolomite is heated at a high temperature then it loses its reactivity and the product is known as burnt dolomite. Burnt dolomite is a refractory material and is used in the manufacture of basic refractories.

Dolomite Its Processing and Application in Iron and

Calcined dolomite is also increasingly being used as a part of synthetic slags usually added during ladle metallurgy. This is done to protect the ladle lining especially at the slag line. When dolomite is used as refractory material, then it is used in form of sintered dolomite. Sintered dolomite is used in steel making for the production of tar dolomite bricks, pitch impregnated dolomite bricks or resin bonded dolomite

Dolomite TLD Vietnam

The calcined dolomite has a composition of CaO.MgO and is alkaline in nature. Calcined dolomite is used in many fields such as the glass industry, iron and steel Industry, ore concentration etc. In particular, Dolime is found in applications in the iron and steel industry, such as in scorifiers and refractory lining protectors, in agriculture as a soil conditioner, in the environmental sector in water treatment,

What is the difference between dolomite and calcined

There is an endothermic heat of calcination that you will need to factor into your heat and material balance calculations. In addition calcined dolomite is friable. When it calcines it usually...

Use of calcined dolomite as chemical coagulant in the

In this research, calcined dolomite was used as a coagulant for phosphorus and nitrogen removal from synthetic (NH. 4) 2HPO 4 solution. Molar ratios Molar ratios Mg:P:N of 1.1-1.6:1-2:2 was used in the experiments. Calcination at 750 °C decomposed most of the MgCO 3 to MgO, but CaCO 3 was mostly as carbonate, while calcination at 950 °C decomposed the dolomite completely. Ammonium removal

Use of Calcined Dolomite as Chemical Precipitant in the

Calcined dolomite had great potential in ammonium and phosphate precipitation from both synthetic waters and agricultural sludges and the precipitates could be used as recycled fertilizers. Keywords: dolomite; precipitant; struvite; ammonium; phosphate 1. Introduction Phosphorus as phosphate and nitrogen as ammonium or nitrate are the main nutrients in wastewaters and agricultural sludges

Use of Calcined Dolomite as Chemical Precipitant in the

Phosphorus as phosphate and nitrogen as ammonium or nitrate are the main nutrients in wastewaters and agricultural sludges. They runoff easily to waterways and cause eutrophication in water bodies. However, ammonium and phosphate could be precipitated simultaneously and used as recycled nutrients. In this research, dolomite calcined at 650 °C, 750 °C, or 950 °C and commercial

Calcined dolomite SMA Mineral

Uses: In steelmaking, both quicklime and calcined dolomite are used as a flux and slag conditioner and to prevent the steel from oxidising. This process also collects impurities that are damaging to the steel. Calcined dolomite also protects the refractory lining of the steel furnace, oxygen converter and ladle furnace. Both products can be

Understanding the hydration of dolomite in cementitious

01/06/2018 The hydration process and possible reaction mechanisms of dolomite with calcined clay are studied with: 1) calcium hydroxide and, 2) ordinary Portland cement. 2. Materials and methods 2.1. Materials. Two naturally occurring carbonate rocks limestone and dolomite were used in this study. Raw clay (with an estimated kaolinite content of 60%) was procured from a mine in the western Indian

Dolomite (CaMg(CO3)2), calcined Brief Profile ECHA

Dolomite (CaMg (CO3)2), calcined Brief Profile ECHA. Brief Profile. The Brief Profile summarizes the non-confidential data on substances as it is held in the databases of the European Chemicals Agency (ECHA), including data provided by third parties. The Brief Profile is automatically generated; note that it does not currently distinguish

Dolomite Mineral Uses and Properties

It is crushed and sized for use as a road base material, an aggregate in concrete and asphalt, railroad ballast, rip-rap, or fill. It is also calcined in the production of cement and cut into blocks of specific size known as "dimension stone." Dolomite's reaction with acid also makes it useful. It is used for acid neutralization in the chemical

A review of dolomite catalyst for biomass gasification tar

01/05/2020 Cho et al used calcined dolomite as a bed material and activated carbon as a tar-cracking additive in a two-stage bench-scale gasifier and demonstrated 96% of tar reduction. In the two-stage gasifier, the lower reactor contained dolomite and the upper reactor activated carbon. Although the coke formed appeared to block the pores of activated carbon, the coke itself has the ability to

Insights on the Worldwide Dolomite Industry to 2027 by

14/10/2020 As a result, calcined dolomite accounted for the largest share of the market in 2019. Glass & ceramics is also a vital end-user segment of the market. Lime is introduced in glass melt with

Dolomite Brick Quality RS Refractory Fire Bricks For Sale

Dolomite bricks are refractory bricks products made of calcined dolomite sand. According to the production process, dolomite brick can be divided into: tar (asphalt) combined with non-fired bricks, lightly burned oil-immersed bricks and fired oil-immersed bricks. They are widely used in alkaline converters. Dolomite refractory bricks, containing free CaO, are prone to hydration and cracking in

Use of calcined dolomite as chemical coagulant in the

In this research, calcined dolomite was used as a coagulant for phosphorus and nitrogen removal from synthetic (NH. 4) 2HPO 4 solution. Molar ratios Molar ratios Mg:P:N of 1.1-1.6:1-2:2 was used in the experiments. Calcination at 750 °C decomposed most of the MgCO 3 to MgO, but CaCO 3 was mostly as carbonate, while calcination at 950 °C decomposed the dolomite completely. Ammonium removal

Use of Calcined Dolomite as Chemical Precipitant in the

Calcined dolomite had great potential in ammonium and phosphate precipitation from both synthetic waters and agricultural sludges and the precipitates could be used as recycled fertilizers. Keywords: dolomite; precipitant; struvite; ammonium; phosphate 1. Introduction Phosphorus as phosphate and nitrogen as ammonium or nitrate are the main nutrients in wastewaters and agricultural sludges

Use of calcined dolomite as chemical coagulant in the

Use of calcined dolomite as chemical coagulant in the simultaneous removal of nitrogen and phosphorus 6th International Conference on Sustainable Solid Waste Management PhD Janne Pesonen Research Unit of Sustainable Chemistry University of Oulu Finland. University of Oulu Contents 1. Background 2. Materials and methods 3. Results 4. Summary 2 6/22/2018 Janne Pesonen. University

Use of Calcined Dolomite as Chemical Precipitant in the

Phosphorus as phosphate and nitrogen as ammonium or nitrate are the main nutrients in wastewaters and agricultural sludges. They runoff easily to waterways and cause eutrophication in water bodies. However, ammonium and phosphate could be precipitated simultaneously and used as recycled nutrients. In this research, dolomite calcined at 650 °C, 750 °C, or 950 °C and commercial

Dolomite (CaMg(CO3)2), calcined Brief Profile ECHA

Dolomite (CaMg (CO3)2), calcined Brief Profile ECHA. Brief Profile. The Brief Profile summarizes the non-confidential data on substances as it is held in the databases of the European Chemicals Agency (ECHA), including data provided by third parties. The Brief Profile is automatically generated; note that it does not currently distinguish

Calcined Dolomite Eshan Gold

USES. The major use of Calcined Dolomite is in steelmaking. In steelmaking dolomite is used both as a fluxing material and also as a refractory material. For use in steelmaking, the SiO2 (because of its acidic nature) content in the dolomite is to be very low. Thus Eshan Minerals plays an important role in supply of high grade Calcined dolomite.

Understanding the hydration of dolomite in cementitious

01/06/2018 The hydration process and possible reaction mechanisms of dolomite with calcined clay are studied with: 1) calcium hydroxide and, 2) ordinary Portland cement. 2. Materials and methods 2.1. Materials. Two naturally occurring carbonate rocks limestone and dolomite were used in this study. Raw clay (with an estimated kaolinite content of 60%) was procured from a mine in the western Indian

Dolomite Mineral Uses and Properties

It is crushed and sized for use as a road base material, an aggregate in concrete and asphalt, railroad ballast, rip-rap, or fill. It is also calcined in the production of cement and cut into blocks of specific size known as "dimension stone." Dolomite's reaction with acid also makes it useful. It is used for acid neutralization in the chemical

Dolomite (CaMg(CO3)2), calcined Substance

Dolomite (CaMg (CO3)2), calcined. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Some substance identifiers may have

Insights on the Worldwide Dolomite Industry to 2027 by

14/10/2020 As a result, calcined dolomite accounted for the largest share of the market in 2019. Glass & ceramics is also a vital end-user segment of the market. Lime is introduced in glass melt with