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Fracturing flowback fluid treatment technology service

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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Fracturing flowback fluid treatment technology service
Textile industry's environmental effects and approaching ...
Textile industry's environmental effects and approaching ...

The major environmental effects of the textile industry are the discharge of high amounts of chemical loads resulting from the high consumption of water and harmful chemicals used in this sector and the associated water pollution, 38-40 high energy consumption in production processes and related air emissions, 38,41 problems with packaging and solid, waste, production, the formation of unpleasant …

Effect of Deionization on Activated Sludge Characteristics ...
Effect of Deionization on Activated Sludge Characteristics ...

The CST varied from 20.1 to 22.4 s within 8 days in SBR1 while it ranged from 23.1 to 38.4 s in SBR2. The measured CST in SBR2, suggest a poor dewaterability than of the sludge flocs in the presence of ions (SBR1). This ,weak, dewaterability observed in SBR2 is ascribed to the presence of filamentous bacteria as discussed in the previous section.

Chemical oxygen demand - Wikipedia
Chemical oxygen demand - Wikipedia

Overview. The basis for the COD test is that nearly all ,organic, compounds can be fully oxidized to carbon dioxide with a strong oxidizing agent under ,acidic, conditions. The amount of oxygen required to oxidize an ,organic, compound to carbon dioxide, ammonia, and water is given by: + (+) → + + This expression does not include the oxygen demand caused by nitrification, the oxidation of ammonia ...

Nature's Path organic food producer fined $22000 for ...
Nature's Path organic food producer fined $22000 for ...

An ,organic, food producer has been fined $22,000 ,for disposing acidic wastewater into, the city’s sewer treatment system, the Washington State Department of Ecology said Tuesday.

Treatment and reuse of reactive dyeing effluents ...
Treatment and reuse of reactive dyeing effluents ...

1/2/2006, · For example, for Drimaren HF, this ratio is constant and around 0.35 for each ,dyeing, step (bleaching step BOD = 1850 mg L −1, COD = 5700 mg L −1; neutralization step BOD = 290 mg L −1, COD = 830 mg L −1; ,dyeing, step BOD = 500 mg L −1, COD = 1440 mg L −1; soaping step BOD = 310 mg L −1, COD = 960 mg L −1).

WORDS | Nature - Scribd
WORDS | Nature - Scribd

WORDS.TXT, - Free ebook download as Text File (.txt), PDF File (.pdf) or read book online for free.

Preparation of decolorizing ceramsites for printing and ...
Preparation of decolorizing ceramsites for printing and ...

In addition, it was reported that the adsorption amount of acid-activated PAL toward the ,printing, and ,dyeing wastewater, with an absorbance of 0.830 at the maximum absorption wavelength of 532 nm ...

(PDF) Declouring mechanism of Zhejiang diatomite ...
(PDF) Declouring mechanism of Zhejiang diatomite ...

The degree of decolouring was found to be strongly related to pH and isoelectrical value. Furnace ash residue and diatomite were found to be very effectively treating ,printing, and ,dyeing wastewater,.

A review on the adsorption of heavy metals by clay ...
A review on the adsorption of heavy metals by clay ...

15/1/2017, · The removal of various toxic substances from water and ,wastewater, has been a core interest of many scientists and researchers around the globe over the past decades. ,Dyeing,, battery, ,printing,, mining, metallurgical engineering, electroplating, pigment, ... The bonding between two silica sheets is very ,weak,…

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

29/2/2012, · The ,wastewater, produced by a reactive ,dyeing, contains [2,3]: (i) hydrolyzed reactive dyes not fixed on the substrate, representing 20-30% of the reactive dyes applied (on average 2 g/L) (this residual amount is responsible for the coloration of the effluents and cannot be recycled); (ii) ,dyeing, auxiliaries or organic substances, which are non-recyclable and responsible for the high BOD/COD of …

Journal of Colloid and Interface Science
Journal of Colloid and Interface Science

industries, ,printing, and ,dyeing wastewater, containing a high con-tent of dye pollutants poses a serious threat to the environment [1]. Many treatment methods, such as biodegradation, adsorption, ozonolysis, and photocatalysis, have been used to alleviate the environmental burden …

(PDF) The Nalco Water Handbook 2nd Edition | Hamzah Zuhdi ...
(PDF) The Nalco Water Handbook 2nd Edition | Hamzah Zuhdi ...

Academia.edu is a platform for academics to share research papers.

They dumped acidic wastewater into Blaine’s sewer system ...
They dumped acidic wastewater into Blaine’s sewer system ...

An ,organic, food producer that was fined thousands of dollars in November 2016 for disposing ,acidic wastewater into Blaine’s sewer, treatment system will now help the city buy land to be used as a ...

Waste water from textile industry - SlideShare
Waste water from textile industry - SlideShare

Bleaching Hypochlorite/H2O2, Cl2, NaOH, acids Alkaline (5% BOD) 4. Mercerising NaOH Strongly alkaline (low BOD, less than 1%) 5. ,Dyeing, Various dyes, salts, alkali, soap/detergent Strongly colored (Fairly BOD, 6% of the total) 6. ,Printing, Colors, Starch, gums, oils, china clay, mordants, acids/alkalis, different metallic salts.

Chromium(III) oxide | Cr2O3 - PubChem
Chromium(III) oxide | Cr2O3 - PubChem

The intestinal absorption of trivalent and hexavalent chromium (Cr) given orally (experiment I) or infused in the intestine (experiment II) was investigated in rats. The nonabsorbable form of chromium ((51)Cr2O3) and water-soluble and more absorbable Na2(51)CrO4 (the hexavalent form of Cr) were compared.Total retention of chromium given orally ranged around 15 percent of the dose, regardless ...

(PDF) TREATMENT AND CHARACTERIZATION OF WASTEWATER …
(PDF) TREATMENT AND CHARACTERIZATION OF WASTEWATER …

As the effluent generated by, dyeing, industries contains considerable amount of chloride,, acidity,, BOD, TDS, DO and many other undesirable parameters. These, pollutants, are found to have carcinogenic, mutagenic effects on human beings. It will also cause growth problems in fresh, water, animals. This will lead to severe environmental pollution problems.

1-Methoxy-2-propanol | C4H10O2 - PubChem
1-Methoxy-2-propanol | C4H10O2 - PubChem

Orally administered propylene glycol methyl ether exhibits rapid absorption and dose dependent metabolism and elimination in rats. Oral intubation of 90 or 780 mg (14)C propylene glycol methyl ether/kg in tap water to male F344 rats found that 9% of the administered dose was retained by the body at 48 hours after exposure, 10% to 20% appeared in urine, and expired carbon dioxide accounted for ...

Textile Effluent –An Introduction
Textile Effluent –An Introduction

• Treatment of ,wastewater, – will definitely reduce the waste, prevent and make positive effects on its further uses • Strong rinse waters from dye operations may be used to make up new dyebaths, while ,weak

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