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Background and significance of fracturing flowback fluid

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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Background and significance of fracturing flowback fluid
Water sampling and preservation techniques
Water sampling and preservation techniques

the channel is always triangular simplifying ,calculation, of the cross-sectional area. It is generally angled at 90 degrees and provided at the inlet and outlet of water treatment plants for measurement of flow. For 90 degree angled V-Notch, the ,formula, for measurement of flow is …

Treatment of Industrial Effluents - Environmental Pollution
Treatment of Industrial Effluents - Environmental Pollution

17/9/2016, · It is seen from Table I that the wastewaters ,discharged, from degreasing, painting, zinc plating and alkali dipping operations are alkaline and the wastes from acid dipping, chromium plating and pickling operations are ,acidic,.

Advanced technologies for the treatment of wastewaters ...
Advanced technologies for the treatment of wastewaters ...

18/9/2017, · Numerous research studies carried on the, anaerobic acidogenesis, of dairy, wastewaters, indicate better treatment efficiencies were achieved on dairy effluents, namely cheese, fresh milk, and milk powder/butter factories, using a small-scale mesophilic two-phase system.

Reuse of wastewater from phosphate fertilizer factories ...
Reuse of wastewater from phosphate fertilizer factories ...

Industrial wastewater The industrial wastewater (acidic water) was obtained from Manquebad Superphosphate, Fertilizer Factory, (Egyptian Financial and Industrial Co. JSC (EFIC), Manquebad, Assiut, Upper-Egypt). This acidic water is the residues water proceeded from producing sulphuric acid and its general characteristics include:

Insights into the p -nitrophenol adsorption by amidoxime ...
Insights into the p -nitrophenol adsorption by amidoxime ...

The sill concentration of phenols in water should not be higher than 2 μg L −1, as specified by the US (EPA), and 1.0 μg L −1 according to the recommendation of the World Health Organization (WHO). 5,6 Therefore, reducing the concentration of phenol components from industrial ,wastewater, in order to adhere to ,discharge, regulations is a topic that requires attention.

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · ,Tofu, is produced by coagulating soymilk, and a majority of the, tofu, factories in Indonesia employ acid coagulants, such as fermented whey or vinegar, for this process [ 4 ]. This results in acidic wastewater with a pH value of 3.6–5.5 and a chemical oxygen demand (COD) concentration of 5000–8500 mg/L [ 5, 6 ].

How to Treat Wastewater from Paint Industry? | Waste ...
How to Treat Wastewater from Paint Industry? | Waste ...

13/8/2018, · ,Waste-Water, from Resin House: The, waste-water, from resin house is that which accumulates from the condenser into the, separator., The, water, layer is disposed off in the, waste-water, stream and the upper layer of solvents is reused. The, water, from, separator, is generally, acidic, with pH range from 3.2 to 6.3.

Original Research Assessment of Changes in Microbial ...
Original Research Assessment of Changes in Microbial ...

the world. ,Wastewater, treatment is crucial for the reduction of health risks and adverse impacts on the environment caused by the ,discharge, of untreated ,wastewater, [1-2]. Typically, ,wastewater, is treated in ,wastewater, treatment plants in the activated sludge process. Fundamentally, the process is identical as it was a century ago. However,

Treatment of Cheese Processing Wastewater by ...
Treatment of Cheese Processing Wastewater by ...

Abstract: ,The wastewater, resulting from cheese production is the most polluting among all types of dairy wastewaters given that it contains a huge quantity of organic biodegradable matters. In this study, we realized two treatments of cheese processing ,wastewater,; the first, a physicochemical one, by coagulation-flocculation

EPA takes over treatment of acidic slightly radioactive ...
EPA takes over treatment of acidic slightly radioactive ...

By Ben Raines | braines@al.com The U.S. Environmental Protection Agency has assumed control of wastewater treatment at the shuttered Mississippi Phosphates Corporation, factory, in, Pascagoula,, …

Factory Wastewater Treatment for Manufacturing Businesses ...
Factory Wastewater Treatment for Manufacturing Businesses ...

• pH Adjustment Systems maintain the pH of process water or ,wastewater, for discharge to a sanitary sewer. • pH Neutralization Systems adjust the pH of highly concentrated ,acidic, or caustic solutions. After neutralization, the solutions are ready for use in specific manufacturing processes, or for discharge to …

Dark fermentation of starch factory wastewater with acid ...
Dark fermentation of starch factory wastewater with acid ...

28/7/2020, · ,Biohydrogen (Bio-H 2), can be produced from starch factory wastewater and mixed microorganisms using dark fermentation. Acidic and basic chemicals were used to treat the microorganisms to select the hydrogen (H 2 )-producing culture. The experiment used a 120 mL bioreactor at 35 °C and the operation commenced with the initial pH level of wastewater ...

CHALLENGES AND INNOVATIONS IN DAIRY FACTORY …
CHALLENGES AND INNOVATIONS IN DAIRY FACTORY …

wastewater while the production of, lactic, acid in the wastewater from, cheese, casein, and, whey, plants makes the wastewater from these plants acidic. The wastewater pH can vary anywhere between 2 and 13 within short timeframes. Providing a treatment system that can manage these varying conditions and provide reliable treatment to comply

PERFORMANCE MEASUREMENT AND THE NATIONAL …
PERFORMANCE MEASUREMENT AND THE NATIONAL …

The pretreatment program has required industrial ,wastewater, pretreatment for Metal Finishing, Electroplating, Dairy, Pulp and Paper, Textile, Photo Processing, Industrial Laundry, and Snack Food facilities served by the York City WWTP. The pretreatment systems range from ,pH, neutralization to physical/chemical and biological systems.

QUALITY ASSURANCE MANUAL - IN.gov
QUALITY ASSURANCE MANUAL - IN.gov

pH,/millivolt ion meter: Use an expanded scale ,pH,/millivolt meter with 0.1 mV readability or a direct-reading selective ion meter. Reagents: ,pH, 4 buffer solution: Dissolve 146 g anhydrous sodium acetate NaC2H3O2 or 243 g NaC2H3O2( 3H2O in 400 mL distilled water. Add 480 g concentrated acetic ,acid,, dilute to 1 L with chlorine-demand-free water.

A Factory Wishes To Discharge An Acidic Waste To A ...
A Factory Wishes To Discharge An Acidic Waste To A ...

A, factory, wishes to, discharge, an, acidic waste, to a local stream. State regulators want to assure that the local fish population is not harmed by too drastic a change in pH. Your job is to estimate how much, wastewater, can be, discharged, (in Liters min) so that the pH of the stream downstream doesn't change by more than 1.0 pH units.

Treatment of Industrial Effluents - Environmental Pollution
Treatment of Industrial Effluents - Environmental Pollution

It is seen from Table I that the wastewaters discharged from degreasing, painting, zinc plating and alkali dipping operations are alkaline and the wastes from acid dipping, chromium plating and pickling operations are acidic.

ho - deq.state.or.us
ho - deq.state.or.us

temperature and the total ,discharge, flow for the day, The 7-day average of daily maximum thermal load is a moving average of the daily maximum thermal loads. Excess thermal loads must be calculated using the ,formula,. If the ,calculation, results in a thermal load value less than zero, the results must be recorded as zero. Individual values of zero

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