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rsd oil extraction wastewater reinjection technology ltd

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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rsd oil extraction wastewater reinjection technology ltd
Wastewater Characteristics and Appropriate Method for ...
Wastewater Characteristics and Appropriate Method for ...

Study on ,wastewater, quality The ,acidic, or basic ,wastewater, damages the ,waste-water, collection and treatment facilities and pre-vents the biological treatment processes (14). Ac-cording to Fig. 1a, the minimum and maximum pH values were observed in the ,wastewater, of Imam Khomeini ,Hospital, and Valiasr ,Hospital,,

CONTRIBUTION TO THE TEMPORAL ASSESSMENT OF …
CONTRIBUTION TO THE TEMPORAL ASSESSMENT OF …

sampling times (10h, 12h, 14h, 16h) of the ,hospital wastewater is acidic,, causing the acidity is due to the use of disinfectants and detergents, they use during activities of medical diagnosis and bacterial fermentation which tends to acidify the medium ( Finance, 1985).

Competitive removal of heavy metals from spiked hospital ...
Competitive removal of heavy metals from spiked hospital ...

Competitive removal of heavy metals from spiked ,hospital wastewater, on ,acidic, and chelating dehydrated carbons El Said Ibrahim El-Shafey * , Saleh Al-Busafi , Haider Al-Lawati , Sheikha Al-Shibli * Corresponding author for this work

Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...
Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...

Hospital wastewater is among the commonly found effluent in urban water streams, mainly pharmaceutical, toxic chemicals, and pathogens as dominant pollutants [4,5]. Regrettably, all these pollutants are typically pumped to the municipal wastewater treatment plants (WTTPs), regardless of the call to hold the wastewater on-site for treatment before pumping to WTTPs [ 6 ].

Nitrogen (N) and water - Water Treatment and Purification
Nitrogen (N) and water - Water Treatment and Purification

Nitrogen, hydrogen ,acid, fumes may cause irritations, heart problems and collapsing. Which water purification technologies can be applied to remove ,nitrogen, from water? In ,wastewater treatment, plants the first two ,treatment, steps may remove only 50% of ,nitrogen, concentrations. For further ,treatment,, lime and HOCl addition were attempted.

Treatment and disposal technologies for health-care waste ...
Treatment and disposal technologies for health-care waste ...

small ,hospital, incinerators is used for preheating of waste to be burnt. Required waste characteristics Incineration of waste is affordable and feasible only if the “heating value” of the waste reaches at least 2000kcal/kg (8370kJ/kg). The value for infectious waste, for instance, exceeds 4000kcal/kg. The characteristics

Effective biotreatment of acidic mine water and hospital ...
Effective biotreatment of acidic mine water and hospital ...

Abstract. A laboratory-scale sulfate-reducing fluidized bed reactor at a controlled mesophilic condition of ±28 °C examined the biotreatment process of real acid mine drainage and hospital ,wastewater,. In an attempt to substitute the carbon source, the study used the hospital ,wastewater, in this regard. In this study, there was no supplement of ...

Competitive removal of heavy metals from spiked hospital ...
Competitive removal of heavy metals from spiked hospital ...

Competitive removal of heavy ,metals from spiked hospital wastewater on acidic and chelating dehydrated carbons, El-Said Ibrahim El-Shafey Department of Chemistry, College of Science, Sultan Qaboos University, Muscat, Sultanate of Oman Correspondence dr_el_shafey2004@yahoo.co.uk

Hospital Water - Water and Wastewater Information
Hospital Water - Water and Wastewater Information

1. The characteristics of ,hospital, sewage ,Hospital waste water, contains some special pollutants, such as drugs, disinfectants, diagnostic agents, detergents, and a large number of pathogenic microorganisms, parasite eggs and various viruses (such as roundworm eggs, hepatitis virus, tuberculosis and dysentery) .

Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...
Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...

Hospital ,wastewater, is among the commonly found effluent in urban water streams, mainly pharmaceutical, toxic chemicals, and pathogens as dominant pollutants [4,5]. Regrettably, all these pollutants are typically pumped to the municipal ,wastewater, treatment plants (WTTPs), regardless of the call to hold the ,wastewater, on-site for treatment before pumping to WTTPs [ 6 ].

Calcium Nitrate Applications in Wastewater | USP Technologies
Calcium Nitrate Applications in Wastewater | USP Technologies

The most common form ,of nitrate, on the market for hydrogen sulfide control is liquid calcium ,nitrate, solution. Typical pricing for calcium ,nitrate, solutions is $2.00 to $2.50 per gallon. In the preventative mode, the cost per pound of sulfide treated is anywhere from $4.00 to $20.00.

Study of the coagulation process in wastewater treatment ...
Study of the coagulation process in wastewater treatment ...

Recently, ,wastewater treatment, of the dairy industry was investigated by means of active carbon, electrocoagulation with ,iron, and aluminum electrode. [6] Among physical and chemical ,treatment, methods, coagulation and flocculation processes are frequently used in this industry.

Beyond Wastewater Analysis Using Discrete Analyzers
Beyond Wastewater Analysis Using Discrete Analyzers

•The content of ,wastewater, samples is often unknown •Accurate, rapid results are needed ... •Disrupts anaerobic digestion process (,treatment,) •Phosphate, ,nitrate,, nitrite •Plant nutrients; phytoplankton blooms ... ,acid, gases, metals, anions, ...

Hospital Water - Water and Wastewater Information
Hospital Water - Water and Wastewater Information

1. The characteristics of hospital sewage Hospital ,waste, water contains some special pollutants, such as drugs, disinfectants, diagnostic agents, detergents, and a large number of pathogenic microorganisms, parasite eggs and various viruses (such as roundworm eggs, hepatitis virus, tuberculosis and dysentery) .

Production of Iron Pigments (Goethite and Haematite) from ...
Production of Iron Pigments (Goethite and Haematite) from ...

The final precipitate was dissolved in nitric ,acid, to achieve a clear ,iron, solution for goethite produc-tion. The steps can be seen in Fig.1. Synthesis and characterization of yellow and red pigments For the production of goethite (FeOOH) (yellow pigment), the ferric precipitated sludge was dis-solved with nitric ,acid, to form the ,iron,-hexa-aqua-

Effective biotreatment of acidic mine water and hospital ...
Effective biotreatment of acidic mine water and hospital ...

The sulfide concentration averaged 235 mg/l, and the alkalinity generated in sulfidogenic organic from hospital, wastewater, neutralized the acid in mine water. The metal removal efficiencies...

Effective biotreatment of acidic mine water and hospital ...
Effective biotreatment of acidic mine water and hospital ...

1/10/2020, · ,Hospital wastewater, (HWW) and acid mine drainage (AMD) are amongst typical hazardous waste streams that require treatment to sustain the universal water resource quality. The AMD is a strong,, acidic waste, stream that is rich in dissolved ferrous, non-ferrous metal sulfates, and salts [ 1 ].

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