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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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Sewage Water Treatment
Neutralisation of acid effluent from steel manufacturing ...
Neutralisation of acid effluent from steel manufacturing ...

In this study, an integrated electric, arc furnace (EAF) du,st, slag/lime, (Ca (OH)2) treatment method was used to treat acid effluent generated by the same stainless steel producer. EAF slag alone was...

Coagulants and Flocculants for Wastewater Treatment ...
Coagulants and Flocculants for Wastewater Treatment ...

Stable, water based silicone defoamer recommended for ,wastewater, treatment applications where membrane filtration is not in use. MAF: A liquid organic resin formulated for use as a ,chemical, stabilizer when used with ,coagulants and flocculants,. Allows for stronger floc to be formed that is much more sheer-resistant than polyacrylamides alone.

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

A typical pickling operation for stainless ,steel, plates consists of a 10 per cent sulphuric ,acid, bath at 160°F, followed by a 10 per cent nitric ,acid,, 4 per cent hydrofluoric ,acid, bath at 150°F. A typical continuous pickling line for stainless ,steel, strip consists of a 15 per cent hydrochloric ,acid, bath at 160°F followed by a 4 per cent hydrofluoric ,acid,, 10 per cent nitric ,acid, bath at 170°F.

eaf slag treatment companies with acid
eaf slag treatment companies with acid

eaf slag treatment companies with acid. The cubical and vesicular nature of steel slag makes it an ideal medium for trickling filters in sewage treatment works, surface water run offs, farming effluent, or industrial effluent eaf steel slag is used for phosphorus reduction and heavy metals reduction in industrial and agricultural effluent

US4705638A - Waste water treatment - Google Patents
US4705638A - Waste water treatment - Google Patents

A method of treating ,wastewater containing, a contaminant selected from the group consisting of heavy metal cations, tars, oils and phenols or mixtures thereof, comprising mixing said ,wastewater, with an effective amount of desulfurization ,slag,, the composition of said ,slag, including calcium oxide, calcium sulfide and iron oxides, causing deposition of said contaminant from the mixture, and separating the …

Public Health Media Library
Public Health Media Library

Links with this icon indicate that you are leaving the CDC website.. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.

6 Chemicals Used in Cooling Tower Water Treatment - AZ ...
6 Chemicals Used in Cooling Tower Water Treatment - AZ ...

Phosphoric ,acid,; Phosphoric ,acid, is a mineral with H3PO4 ,formula,. It is commonly found in fertilizers in a form of salt, such as ammonium phosphate, calcium phosphate, etc. Phosphoric is an essential plant nutrient which is taken by plant’s roots and transferred it to its whole body. In ,cooling, …

Utilizing Iron and Steel Slag’s in Environmental ...
Utilizing Iron and Steel Slag’s in Environmental ...

A waste ,water, treatment plant (WWTP) for the township of Waiuku incorporates iron ,slag, in its treatment process as an aggregate source. The plant was installed in 1993 and handles up to 3000m³ a day of treated effluent from the settling ponds. The WWTP is comprised of large aggregate filter beds with a hydraulic residence time of two days, the

Physico-Chemical Characterization of Steel Slag. Study of ...
Physico-Chemical Characterization of Steel Slag. Study of ...

Steel slag, filters to upgrade phosphorus removal in small ,wastewater treatment, plants: Removal mechanisms and performance. Ecological Engineering 2014, 68 , 214-222. https://doi.org/10.1016/j.ecoleng.2014.03.065. Elaine R. Goetz, R. Guy Riefler. Performance of ,steel slag, leach beds in ,acid, mine drainage ,treatment,.

Wastewater & Sewage Treatment Chemicals at Wholesale Prices
Wastewater & Sewage Treatment Chemicals at Wholesale Prices

Wastewater & Sewage, Treatment Supplies. ,Treating, sewage is a big priority. It’s absolutely important that maintenance of ,wastewater sewage, is conducted properly in order to maintain a clean environment. Contamination and certain bodily illness can be the consequences if neglected.

Enhanced Biological Phosphorus Removal - Wastewater Bacteria
Enhanced Biological Phosphorus Removal - Wastewater Bacteria

14/4/2021, · As the ,wastewater, and bacteria pass through these tanks, phosphorus is removed biologically and nitrogen is removed through nitrification and denitrification. In the anaerobic tank fermentation occurs and phosphorus is released to the bulk solution by poly-P bacteria as they absorb and polymerize soluble fatty acids into PHB.

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 ...

Characterizing the performance of coagulation-flocculation ...
Characterizing the performance of coagulation-flocculation ...

treating wastewater, from tannery industry. ... As a polymeric ,acid,, alginate can form salt with metal ions. Whilst chitosan can bind metal ions via chelation with the amine groups, ... ,Chemical formula, [Na C 6 H 7 O 6] n [C 6 H 11 N O 4] n [C 6 H 10 O 5] n Solubility soluble insoluble 50 g/L in water at 90°C

eaf slag treatment companies with acid
eaf slag treatment companies with acid

eaf ,slag, treatment companies with ,acid,. The cubical and vesicular nature of ,steel slag, makes it an ideal medium for trickling filters in sewage treatment works, surface water run offs, farming effluent, or industrial effluent eaf ,steel slag, is used for phosphorus reduction and heavy metals reduction in industrial and agricultural effluent

Removal of pollutants from acid mine wastewater using ...
Removal of pollutants from acid mine wastewater using ...

15/11/2004, · ,Adsorptive slag flotation,, using small amounts of slags as carriers, was found to be very effective for the treatment of solutions containing heavy metals such as copper and lead. Settling should also be an effective process leaving a clear supernatant with the aid of a typical flocculant.

US4705638A - Waste water treatment - Google Patents
US4705638A - Waste water treatment - Google Patents

A method of treating ,wastewater containing, a contaminant selected from the group consisting of heavy metal cations, tars, oils and phenols or mixtures thereof, comprising mixing said ,wastewater, with an effective amount of desulfurization ,slag,, the composition of said ,slag, including calcium oxide, calcium sulfide and iron oxides, causing deposition of said contaminant from the mixture, and separating the …

Utilizing Iron and Steel Slag’s in Environmental ...
Utilizing Iron and Steel Slag’s in Environmental ...

A ,waste water treatment, plant (WWTP) for the township of Waiuku incorporates iron ,slag, in its ,treatment, process as an aggregate source. The plant was installed in 1993 and handles up to 3000m³ a day of treated effluent from the settling ponds. The WWTP is comprised of large aggregate filter beds with a hydraulic residence time of two days, the

An Assessment of Iron and Steel Slag for treatment of ...
An Assessment of Iron and Steel Slag for treatment of ...

wastewater, treatment drainage should be determined in pilot-scale field studies, as iron and ,steel, slags already have a track record of successful use, particularly in domestic ,wastewater, treatment. 5 The suitability of the 3 very alkaline slags tested in our study for treating ,acid, mine drainage should be further

BASIC WASTE WATER TREATMENT COSTS
BASIC WASTE WATER TREATMENT COSTS

SEPTAGE VALUES TO ,WASTEWATER,: SolidsBOD COD TSS Septage Average 1.5% 3800 20,000 15,000 ,Wastewater, 0.02 % 200 450 250 ,Wastewater,/Septage x75 x19 x44 x60 Average multiplier: 75+19+44+60 = 49.5 4 **If septage is 50 times stronger than ,wastewater,, then 20,000 gal of septage is equal to (20,000 X 50) 1,000,000 gal of ,wastewater,.

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