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oil gas field fracturing flow-back fluids treatment process

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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oil gas field fracturing flow-back fluids treatment process
Oxygen Demand Chemical - Hach Company
Oxygen Demand Chemical - Hach Company

• 1000 mg/L ,COD, standard solution • 100-mL volumetric flask, Class A • Volumetric pipets, Class A and pipet filler • Deionized water • Potassium acid phthalate (KHP), dried overnight at 120 °C (HR Plus only) 0.7 to 40.0 mg/L ULR 1. Prepare a 30-mg/L ,COD, standard solution as follows: a.

Fatty Acid and Grease Removal in Wastewater - Aquafix
Fatty Acid and Grease Removal in Wastewater - Aquafix

A 2.5% solution of sodium carbonate, and 0.05M, hydrochloric acid, were used to control pH. SmartBOD was added as a source of COD. 10,000 mg/L COD solutions were made and added to the wastewater to obtain the target of 400 mg/L COD. Temperature was monitored during the study but not controlled.

Quantification of Enteric Viruses Pathogen Indicators ...
Quantification of Enteric Viruses Pathogen Indicators ...

The most common ,class B, biosolids in the United States are generated by mesophilic anaerobic digestion (MAD), and MAD biosolids have been used for land application. However, the pathogen levels in MAD biosolids are still unclear, especially with respect to enteric viruses. In this study, we determined the occurrence and the quantitative levels of enteric viruses and indicators in 12 MAD ...

What is the COD range for any wastewater to be suitable ...
What is the COD range for any wastewater to be suitable ...

Actually, high concentration, wastewater, from palm oil processing with up to 10,000 to 25,000 mg COD/L has been successfuly treated in upflow reactor.

METHOD 14XXXCO D Chemical Oxygen Demand (COD) by ...
METHOD 14XXXCO D Chemical Oxygen Demand (COD) by ...

In these Spectroquant® ,COD, cell tests, the amount of potassium dichromate which remains unchanged, is measured photometrically (as chromate). 2.4 For the 100 to10,000 mg/L concentration range, there are three different Spectroquant® ,COD, cell tests (Section 17.0, Table 1, items 14541, 14691, and 14555). In these Spectroquant® ,COD

A Review: Pharmaceutical Wastewater Treatment Technology ...
A Review: Pharmaceutical Wastewater Treatment Technology ...

Chinese traditionnal pharmaceutical ,wastewater, properties as shown in the following TABLE III. TABLE III. COMMON CHINESE TRIDITIONAL PHARMACEUTICAL ,WASTEWATER, PROPERTIES Item Concentration Item Concentration ,COD,(mg/L) 1000-,10000, SS(mg/L) 200-500 Chromaticity 500-1000 times BOD5 (mg/L) 500-2500 Temperature 25-80°C TP(mg/L) 50-250

PERFORMANCE CURVES - litak.com.my
PERFORMANCE CURVES - litak.com.my

Class B, (0.5~3HP)·,Class, F (5~15HP) IP68 Protector. FEATURES APPLICATIONS 50 2 8 A Discharge mm SA Type Pole kW Style Discharge mm 80 SF Type P Impeller type 2 Pole 3 ... is better than SUS304/SCS13 in water application of light ,acid,-base. Suitable for ,wastewater, treatment in food and wine- making industry. Suitable for ,wastewater, treatment for ...

In situ hypochlorous acid generation for the treatment of ...
In situ hypochlorous acid generation for the treatment of ...

1/8/1999, · The results showed that for an initial ,COD, concentration of ,10,000, mg/l, a turbidity of 277 NTU, a tannin concentration of 4000 mg/l, a temperature of 27±1°C, a current density of 42.5 mA/cm 2, a sodium chloride content of 3% and an electrolysis period of 210 min showed an effluent ,COD, concentration of 230 mg/l, a turbidity of 9 NTU, a tannin concentration below the detection limit and a …

Method 8000 OXYGEN DEMAND CHEMICAL For water wastewater …
Method 8000 OXYGEN DEMAND CHEMICAL For water wastewater …

10,000, mg/L ,COD, standard solution. Prepare the ,10,000, mg/L solution by dissolving 8.500 g of dried (120 °C, overnight) KHP in 1 liter of deionized water. Use 0.2 mL of this solution as the sample volume; the expected result will be ,10,000, mg/L ,COD,. Method Performance Precision Program #16: In a single laboratory, using a standard solution of

Total Dissolved Solids by Gravimetric Determination
Total Dissolved Solids by Gravimetric Determination

l. Beaker, low-form ,Class B, or ,Class, A having a volume sufficient enough to fully contain the sample and prevent sample loss from spillage or splattering when mixing. m. Glass-fiber filter, with a 47 mm diameter, nominal pore size ≤ 2.0 µm and ≥ 1.0 µm, and no binders. n. Filtration funnel assembly for a 47 mm size diameter filter. o.

Characterisation of winery wastewater from continuous flow ...
Characterisation of winery wastewater from continuous flow ...

The authors also reported that acetic acid (27 to 663 mg/L) and ethanol (concentrations not given), contributed significantly to the overall ,COD,. In a seasonal winery ,wastewater, characterisation study, Sheridan et al. found ethanol and acetic acid to be the primary contributors to ,COD, in two wineries, and did not detect glucose in any of the samples taken throughout the year.

Laboratory trial and full-scale implementation of ...
Laboratory trial and full-scale implementation of ...

10/10/2020, · Acrylic acid is a major raw material for absorbent polymers which are primary raw materials for making disposable diapers. Based on the information provided by the manufacturer, acrylic acid process wastewater with COD as high as, 110,000 mg,/L has been generated from the production of absorbent polymers.

Solutions for the treatment of wastewater with refractory COD
Solutions for the treatment of wastewater with refractory COD

8/10/2019, · For example, for a discharge with a ,COD, load of ,10,000, ppm (10 kg ,COD,/m 3): This value represents 1% by weight; to reach 30%, a 2-step evaporation is needed, which would lead to a consumption of the order of 100 kWh/m 3.

Land Application of Biosolids in the USA: A Review
Land Application of Biosolids in the USA: A Review

There are two classes of pathogen reduction: ,Class, A and ,Class B,. ,Class, A pathogen reduction is necessary if biosolids are to be applied to lawns, home gardens, or other types of land, or bagged for sale, or land application and requires pathogen densities be reduced to below detection limits: less than 3 MPN per 4 grams total solids biosolids (dry weight basis) for density of Salmonella sp ...

Slug Control Plan - ehs.berkeley.edu
Slug Control Plan - ehs.berkeley.edu

Class B, chemicals include all of the chemicals listed as a toxic (T) in the California Code of Regulations Section 22-66261.30 et. Seq. that are water soluble, except for those listed as ,Class, A chemicals or ,Class, C chemicals. ,Class B, chemicals also include inorganic salts. • ,Class, C includes chemicals that may not be drain disposed in any ...

Method 8000 OXYGEN DEMAND CHEMICAL For water …
Method 8000 OXYGEN DEMAND CHEMICAL For water …

10,000, mg/L ,COD, standard solution. Prepare the ,10,000, mg/L solution by dissolving 8.500 g of dried (120 °C, overnight) KHP in 1 liter of deionized water. Use 0.2 mL of this solution as the sample volume; the expected result will be ,10,000, mg/L ,COD,. Method Performance Precision Program #16: In a single laboratory, using a standard solution of

Solutions for the treatment of wastewater with refractory COD
Solutions for the treatment of wastewater with refractory COD

For example, for a discharge with a ,COD, load of ,10,000, ppm (10 kg ,COD,/m 3): This value represents 1% by weight; to reach 30%, a 2-step evaporation is needed, which would lead to a …

Water Reuse in AZ: Challenges and Opportunities
Water Reuse in AZ: Challenges and Opportunities

Class, B+ a. The concentration of fecal coliform organisms is less than 200 CFU/100 ml. ,b,. B+ reclaimed water has been denitrified so as not to exceed 10 mg/L total nitrogen. ,Class B, a. The concentration of fecal coliform organisms is less than 200 CFU/100 ml. ,b,. Includes requirements for nitrogen management and lining of impoundments. ,Class, C a.

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