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Removal of trace elements from acid wastewater by ammonium ferric sulfate

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Removal of trace elements from acid wastewater by ammonium ferric sulfate
Pollution Caused by Waste From the Titanium Dioxide ...
Pollution Caused by Waste From the Titanium Dioxide ...

11 Depending on the ,production, process or the are used, ,titanium waste, may include one or more of the following: dilute sulfuric ,acid, (strong and weak ,acid waste,), red sludge (copperas or ferrous sulfate), solid residue (chloride or sulfate salts), are and pigment

Energy Demand – Titanium Alloys
Energy Demand – Titanium Alloys

27/3/2016, · This reaction results ,in titanium, solid ,waste,, removed from the reactor and treated with ,water, and hydrochloric ,acid, to remove excess magnesium and magnesium chloride. The energy required for this reduction for an 8 ton batch takes approximately 4 days to make.

March 2016 – Titanium Alloys
March 2016 – Titanium Alloys

This reaction results ,in titanium, solid ,waste,, removed from the reactor and treated with ,water, and hydrochloric ,acid, to remove excess magnesium and magnesium chloride. The energy required for this reduction for an 8 ton batch takes approximately 4 days to make.

Separation of heavy metals from waste water of the ...
Separation of heavy metals from waste water of the ...

On the other hand, the waste waters in the titanium dioxide preparation and also those which are obtained in the waste acid recovery, cannot as a rule be completely accommodated in the process. They contain relatively few components, e.g. 11 g sulfuric acid, 67 mg iron, and 1.2 mg chromium per liter.

(PDF) Pollution Caused by Waste From the Titanium Dioxide ...
(PDF) Pollution Caused by Waste From the Titanium Dioxide ...

INTRODUCTIONIn 1989, the Council of the European Communities (Council) adopted a directive designed to reduce and eventually eliminate ,waste, from the ,titanium, dioxide industry. 1 Directive 89/428 prohibits the dumping of ,titanium, wastes into waterways, and limits other disposal methods according to the ,production, process used. 2 Through harmonizing the ,waste, reduction programs of individual member states, the Council is attempting both to protect the environment from ,titanium, dioxide ,waste, ...

Separation of heavy metals from waste water of the ...
Separation of heavy metals from waste water of the ...

On the other hand, the ,waste, waters in the ,titanium, dioxide preparation and also those which are obtained in the ,waste acid, recovery, cannot as a rule be completely accommodated in the process. They contain relatively few components, e.g. 11 g sulfuric ,acid,, 67 mg iron, and 1.2 mg chromium per liter.

(PDF) Production of titanium tetrachloride (TiCl4) from ...
(PDF) Production of titanium tetrachloride (TiCl4) from ...

(4) ,Production, of low amount of ,acid, aqueous ,waste, Kang and Okabe [88] used carbo-selective-chlori- solution as no concentrated ,acid, is required for re- nation method using ,titanium, tetrachloride (TiCl4) as moving iron from Ti ,ore,. a chlorinating agent for the direct ,production, of high- (5) The mixture of the ,ore, and carbon powder can be grade ,titanium, dioxide (TiO2) from ,titanium ore, (Ti supplied directly to the current chlorination pro- ,ore,).

US5282977A - Separation of heavy metals from waste water ...
US5282977A - Separation of heavy metals from waste water ...

A waste water, which accrues in the washing of, titanium, dioxide hydrate in a Moore filtering apparatus contains, for instance, 1.7 g sulfuric acid/liter and the following metal ions (all per...

Pollution Caused by Waste From the Titanium Dioxide ...
Pollution Caused by Waste From the Titanium Dioxide ...

11 Depending on the production process or the are used, titanium waste may include one or more of the following: dilute sulfuric acid (strong and weak acid waste), red sludge (copperas or ferrous sulfate), solid residue (chloride or sulfate salts), are and pigment

Water leaching of titanium from ore flotation residue ...
Water leaching of titanium from ore flotation residue ...

1/1/2003, · This preliminary study brings information on the impact of ,water, draining through mineral, ,ore, residue and ,waste, mining concentrates on ,titanium, release and ,ore, stability in ,ore, tailings. The experimental conditions and the activity of microorganisms (bacterial growth followed by a fungal colonization) results in a very low release of ,titanium, and a moderate impact on the environment.

Potentially More Ecofriendly Chemical Pathway for ...
Potentially More Ecofriendly Chemical Pathway for ...

In this research, a potentially more ecofriendly chemical pathway for TiO2 production from concentrated titanium ore, aka titania slag, is presented. The new method consists of three critical steps including transformation of the titania slag to a lower-valence titanium suboxide by aluminothermic reduction, digestion by using mild acid, and controlled hydrolysis accompanied by acid recycling.

Titanium - Wikipedia
Titanium - Wikipedia

The processing of ,titanium, metal occurs in four major steps: reduction of ,titanium ore, into "sponge", a porous form; melting of sponge, or sponge plus a master alloy to form an ingot; primary fabrication, where an ingot is converted into general mill products such as billet, bar, plate, sheet, strip, and tube; and secondary fabrication of finished shapes from mill products.

Water leaching of titanium from ore flotation residue ...
Water leaching of titanium from ore flotation residue ...

Biomass removed from ,ore, residue adsorbed a small part of the ,titanium, with sorption capacities below 20-30 mg g(-1), but most of this biomass was sequestered in the ,ore, residue.

Production of Titanium Dioxide Directly from Titanium Ore ...
Production of Titanium Dioxide Directly from Titanium Ore ...

acid aqueous, waste, solution is not generated, because no concentrated acid is necessary for removing iron from, Ti ore., Furthermore, even though carbon powder is mixed with, Ti ore, as a feedstock for carbo-selective-chlorination, the mixture of the ore and carbon powder can be supplied directly to the current chlorination process. Finally, high-grade TiO

Titanium - Wikipedia
Titanium - Wikipedia

The processing of ,titanium, metal occurs in four major steps: reduction of ,titanium ore, into "sponge", a porous form; melting of sponge, or sponge plus a master alloy to form an ingot; primary fabrication, where an ingot is converted into general mill products such as billet, bar, plate, sheet, strip, and tube; and secondary fabrication of finished shapes from mill products.

Titanium Ore - an overview | ScienceDirect Topics
Titanium Ore - an overview | ScienceDirect Topics

Titanium, tetrachloride is an inorganic compound that is an important intermediate in the ,production, of ,titanium, metal and the pigment ,titanium, dioxide. On contact with humid air, it forms opaque clouds of ,titanium, dioxide (TiO 2) and hydrogen chloride (HCl). Early attempts to isolate ,titanium, metal from ,titanium, tetrachloride were unsuccessful.

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