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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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Defining Hazardous Waste: Listed Characteristic and Mixed ...
Defining Hazardous Waste: Listed Characteristic and Mixed ...

Wastewater treatment, sludges from electroplating operations except from the following processes: (1) Sulfuric ,acid, anodizing of aluminum; (2) tin plating on carbon ,steel,; (3) zinc plating (segregated basis) on carbon ,steel,; (4) aluminum or zinc-aluminum plating on carbon ,steel,; (5) cleaning/stripping associated with tin, zinc and aluminum plating on carbon ,steel,; and (6) chemical etching and ...

Phosphorus removal from secondary wastewater effluent ...
Phosphorus removal from secondary wastewater effluent ...

This study investigated the use of copper smelter ,slag, for the removal of phosphorus from secondary ,wastewater, effluent through batch tests. The media was physically and chemically characterized and showed presence of Fe 2 O 3 (45.22%), SiO 2 (14.98%), Al 2 O 3 (3.21%), CaO (1.99%), SO 3 (1.77%) and MgO (1.33%). Scanning electron microscopy monographs revealed smooth and flat surface and no ...

Effluent Treatment Plant Design Operation And Analysis Of ...
Effluent Treatment Plant Design Operation And Analysis Of ...

Effluent Treatment Plant: Design, Operation And Analysis, Of ,Waste Water, 18create fine bubbles that attach to floc resulting in a floating mass of concentrated floc.The floating floc blanket is removed from the surface and clarified water is withdrawnfrom the bottom of the DAF tank.2.3 Biological Unit ProcessesBiological ,treatment, is an important and integral part of any ,wastewater treatment, ...

Fifteen industrial wastewater treatment processes | LCDRI CN
Fifteen industrial wastewater treatment processes | LCDRI CN

The phenol-,containing wastewater, mainly contains a phenol-based compound, which is a protoplasmic poison that can coagulate the protein. 10. Mercury-,containing wastewater,. Mercury-,containing wastewater, mainly comes from non-ferrous metal smelters, chemical plants, pesticide plants, paper mills, dye factories and thermal instrumentation plants.

Li Yun; Yang Shenghai; Taskinen Pekka; Chen Yongming ...
Li Yun; Yang Shenghai; Taskinen Pekka; Chen Yongming ...

Crude ,lead, with purity of more than 98 wt.% (weight percent) was obtained by a one-step extraction. ,Lead, contents in the produced matte and ,slag, were below 2.7 wt.% and 0.6 wt.%, respectively. At the same time, 99.2% total sulfur was fixed and recovered. Keywords: ,lead,-,acid, battery recycling; pyrite cinder ,treatment,; ,lead, bullion; sulfide matte; SO2

HJ 2057-2018 PDF.
HJ 2057-2018 PDF.

Technical specification for ,wastewater treatment, of ,lead, smelting National Environmental Protection Standard of the People's Republic Technical specification for ,lead, smelting ,wastewater treatment, engineering The text shall prevail. ) Published on.2018-08-13 2018-09-01 Implementation Ministry of Ecology and Environment released Content

Water Management and Pollution Control in Steel Plant ...
Water Management and Pollution Control in Steel Plant ...

The main water related issues which have effects on the water management in a ,steel, plant are (i) quality of process water needed (ii) quality of ,wastewater,, (iii) recycling of water and minimizing of its consumption, (iv) pollutants in the water, (v) implementation of new technologies for water management, and (vi) implementation of ,wastewater treatment, technologies and their cost-effectiveness.

How to Control Pollution in Iron and Steel Industry?
How to Control Pollution in Iron and Steel Industry?

Acid, laden air to be water washed before release; Rinsing water, spills, overflows/other discharges from pickling tanks and fume stack effluent needs ,treatment, and pickled ,wastewater,, Oil-water emulsion leads to high BOD, SS and free oil problems.

Single and coadsorption of copper cadmium lead and zinc ...
Single and coadsorption of copper cadmium lead and zinc ...

as agricultural and industrial have been used for ,wastewater treatment, as low-cost sorbents [9,10]. Now a day, many studies have shown that basic oxygen furnace ,slag, (BOFs) can be effectively used to remove heavy metal. Even in the strong ,acid, aqueous solution, BOFs can be regarded as effective adsorbents due to

Water Management and Pollution Control in Steel Plant ...
Water Management and Pollution Control in Steel Plant ...

The main water related issues which have effects on the water management in a ,steel, plant are (i) quality of process water needed (ii) quality of ,wastewater,, (iii) recycling of water and minimizing of its consumption, (iv) pollutants in the water, (v) implementation of new technologies for water management, and (vi) implementation of ,wastewater treatment, technologies and their cost-effectiveness.

Fifteen industrial wastewater treatment processes | LCDRI CN
Fifteen industrial wastewater treatment processes | LCDRI CN

The phenol-,containing wastewater, mainly contains a phenol-based compound, which is a protoplasmic poison that can coagulate the protein. 10. Mercury-,containing wastewater,. Mercury-,containing wastewater, mainly comes from non-ferrous metal smelters, chemical plants, pesticide plants, paper mills, dye factories and thermal instrumentation plants.

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Generally, alkaline mercury-containing wastewater is usually treated by chemical coacervation or sulfide precipitation; acidic mercury-containing wastewater can be treated by metal reduction; low-concentration mercury-containing wastewater can be treated by activated carbon adsorption, chemical coacervation or activated sludge; organic mercury wastewater is difficult to treat and is usually first oxidized to …

BR LOOKUP | Envirofacts | US EPA
BR LOOKUP | Envirofacts | US EPA

wastewater treatment, sludges from electroplating operations, except from the following processes: (1) sulfuric ,acid, anodizing of aluminum; (2) tin plating on carbon ,steel,; (3) zinc plating (segregated basis) on carbon ,steel,; (4) aluminum or zinc-aluminum plating on carbon ,steel,; (5) cleaning/stripping associated with tin, zinc, and aluminum plating on carbon ,steel,; and (6) chemical etching and ...

corrective action manage7J1ent unit
corrective action manage7J1ent unit

automotive batteries is treated at East Penn's on-site ,acid, reclamation plant. The spent ,acid, from ,steel, cased industrial batteries is recovered for use in an on-site smelter exhaust scrubber system. ,Slag, from the secondary ,lead, smelter was used as fill on-site until 1983. From 1983 thr.oucrh . ~ 1988 the ,slag, was disposed of off-site.

BR LOOKUP | Envirofacts | US EPA
BR LOOKUP | Envirofacts | US EPA

wastewater treatment, sludges from electroplating operations, except from the following processes: (1) sulfuric ,acid, anodizing of aluminum; (2) tin plating on carbon ,steel,; (3) zinc plating (segregated basis) on carbon ,steel,; (4) aluminum or zinc-aluminum plating on carbon ,steel,; (5) cleaning/stripping associated with tin, zinc, and aluminum plating on carbon ,steel,; and (6) chemical etching and ...

How to Control Pollution in Iron and Steel Industry?
How to Control Pollution in Iron and Steel Industry?

Acid, laden air to be water washed before release; Rinsing water, spills, overflows/other discharges from pickling tanks and fume stack effluent needs ,treatment, and pickled ,wastewater,, Oil-water emulsion leads to high BOD, SS and free oil problems.

Single and coadsorption of copper cadmium lead and zinc ...
Single and coadsorption of copper cadmium lead and zinc ...

as agricultural and industrial have been used for ,wastewater treatment, as low-cost sorbents [9,10]. Now a day, many studies have shown that basic oxygen furnace ,slag, (BOFs) can be effectively used to remove heavy metal. Even in the strong ,acid, aqueous solution, BOFs can be regarded as effective adsorbents due to

HJ 2057-2018 PDF.
HJ 2057-2018 PDF.

Technical specification for ,wastewater treatment, of ,lead, smelting National Environmental Protection Standard of the People's Republic Technical specification for ,lead, smelting ,wastewater treatment, engineering The text shall prevail. ) Published on.2018-08-13 2018-09-01 Implementation Ministry of Ecology and Environment released Content

BLAST-FURNACE AND STEELMAKING SLAGS: WHICH
BLAST-FURNACE AND STEELMAKING SLAGS: WHICH

and chemical properties of slags, this should ,lead, to the development of new markets and applications for ,steel, slags and blast furnace slags as well, some of them quite different from the current dominant uses. Of course, it will take years and efforts, associating all players of the value chain, from the ,steel, industry to the end users.

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