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To treat acid wastewater

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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To treat acid wastewater
Recovery of ruthenium by solvent extraction and direct ...
Recovery of ruthenium by solvent extraction and direct ...

The ,extraction, percentage of Ru(III) using A336/IL remained relatively high (81.5–96.1%) for the 1st − 5th cycles. This series of experimental results enabled us to demonstrate that Ru metal can be obtained from direct electrodeposition of the extracted [R3NH+RuCl4(H2O)2−] in the A336/[P2225][TFSA] system.

The method of extraction of platinum and/or rhenium from ...
The method of extraction of platinum and/or rhenium from ...

Object of the invention is to develop environmentally friendly way to extract platinum and rhenium from a spent catalyst, provides a degree of extraction of metals on the level 99,0-and 99.8 wt. reducing consumption of raw materials and chemicals, reducing waste, wastewater processing, preservation matrix media for later use.

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

Pyrite + Oxygen + Water → Ferrous Sulfate + ,Sulfuric Acid,. The ,acid, mine drainage waste is characterized by red water. The simplest treatment is ,neutralization, and clarification. The ideal ,neutralization, first combines one of the reactants with previously precipitated solids. This blend is then mixed with the other reactant.

Separation and recovery of ruthenium: a review | Semantic ...
Separation and recovery of ruthenium: a review | Semantic ...

The chemistry of the noble metal fission product, ,ruthenium, is very complex due to the existence of many oxidation states in addition to forming a large number of co-ordination complexes. In the PUREX process for the separation of U and Pu from the spent nuclear fuels from fast breeder reactors, owing to the high volatile nature of RuO4 problems arise not only during the ,extraction, stages but ...

Highly-efficient separation and recovery of ruthenium from ...
Highly-efficient separation and recovery of ruthenium from ...

Highly-efficient, separation, and recovery of, ruthenium, from electroplating, wastewater, by a, mesoporous, silica-polymer based adsorbent

Highly efficient recovery of ruthenium from integrated ...
Highly efficient recovery of ruthenium from integrated ...

Ruthenium, (Ru) is a rare-earth metal, which is employed widely in metal-processing industries. This study recovered Ru from the ,wastewater, of an IC foundry by cementation using metallic aluminum (Al) powder as the sacrificial agent. Ru ions were efficiently reduced to the metal and coagulated with the derived aluminum hydroxide flocs.

Highly efficient recovery of ruthenium from integrated ...
Highly efficient recovery of ruthenium from integrated ...

Ruthenium, (Ru) is a rare-earth metal, which is employed widely in metal-processing industries. This study recovered Ru from the ,wastewater, of an IC foundry by cementation using metallic aluminum (Al) powder as the sacrificial agent. Ru ions were efficiently reduced to the metal and coagulated with the derived aluminum hydroxide flocs.

Highly efficient recovery of ruthenium from integrated ...
Highly efficient recovery of ruthenium from integrated ...

Ruthenium (Ru) is a rare-earth metal, which is employed widely in metal-processing industries. This study recovered Ru from the wastewater of an IC foundry by cementation using metallic aluminum (Al) powder as the sacrificial agent. Ru ions were efficiently reduced to the metal and coagulated with the derived aluminum hydroxide flocs.

Treatment of highly acidic wastewater containing high ...
Treatment of highly acidic wastewater containing high ...

1/10/2017, · The present study is based on the electrochemical treatment of actual highly acidic ,wastewater, from a nearby industry using an electro-oxidation method using a DSA electrode namely ,ruthenium, oxide coated titanium (Ti/RuO 2). The ,wastewater, was …

Highly efficient recovery of ruthenium from integrated ...
Highly efficient recovery of ruthenium from integrated ...

Ruthenium (Ru) is a rare-earth metal, which is employed widely in metal-processing industries. This study recovered Ru from the wastewater of an IC foundry by cementation using metallic aluminum (Al) powder as the sacrificial agent. Ru ions were efficiently reduced to the metal and coagulated with the derived aluminum hydroxide flocs.

Method for the recovery of ruthenium from sulfuric acid ...
Method for the recovery of ruthenium from sulfuric acid ...

Mainly the ,extraction, is carried out at pH 7. Technical result achieved: removing radionuclide ,ruthenium, 100%. 1 C.p. f-crystals, 1 table. The invention relates to a method for retrieval of radioactive ,ruthenium,-106 from sulfuric ,acid, solutions of Nickel.

Highly efficient recovery of ruthenium from integrated ...
Highly efficient recovery of ruthenium from integrated ...

Ruthenium, (Ru) is a rare-earth metal, which is employed widely in metal-processing industries. This study recovered Ru from the ,wastewater, of an IC foundry by cementation using metallic aluminum (Al) powder as the sacrificial agent. Ru ions were efficiently reduced to the metal and coagulated with the derived aluminum hydroxide flocs.

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · Most common sources of heavy metals to waste and/or ,waste water, are ; (i) Mining and ,extraction,; by mining and ,extraction, a part of the heavy metals will end up in tailings and other waste products. A significant part of the turn over of the four heavy metals with mining waste actually concerns the presence of the heavy metals in waste from ,extraction, of other metals like zinc, copper and nickel.

Highly-efficient separation and recovery of ruthenium from ...
Highly-efficient separation and recovery of ruthenium from ...

15/8/2020, · Moreover,, ruthenium, was efficiently separated from other metal ions from simulated electroplating, wastewater, by column experiments. Finally, SEM-EDS, XPS, FT-IR, and NMR study demonstrated the strong interaction between phosphorus functional groups (P =O) and ruthenium(III) during the whole adsorption process and meantime anion groups (NO 3 − and NO 2 − ) were involved …

Treatment of highly acidic wastewater containing high ...
Treatment of highly acidic wastewater containing high ...

1/10/2017, · The present study is based on the electrochemical treatment of actual highly acidic ,wastewater, from a nearby industry using an electro-oxidation method using a DSA electrode namely ,ruthenium, oxide coated titanium (Ti/RuO 2). The ,wastewater, was highly acidic with extremely high COD.

Subcritical Water Regeneration of Supported Ruthenium ...
Subcritical Water Regeneration of Supported Ruthenium ...

11/1/2008, · A titania-supported ,ruthenium, (Ru/TiO2) catalyst was effective for the gasification of lignin to methane, carbon dioxide, and hydrogen in supercritical water. For the Ru/TiO2 catalyst poisoned by sulfur (S−Ru/TiO2), the overall gas yield decreased and the tetrahydrofuran-insoluble products (namely, char) were slightly formed in supercritical water gasification.

Extraction of Picric Acid from Wastewater by a Secondary ...
Extraction of Picric Acid from Wastewater by a Secondary ...

The mass-transfer coefficient (kL = 7.12 × 10–4 m·s–1) of picric ,acid, in octan-1-ol is estimated experimentally to establish the kinetics of the reaction. The Hatta number is found to be in the range of 0.009–0.011, suggesting a very slow ,extraction, reaction occurring in the bulk of the solvent phase.

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