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fracturing flow-back fluids treatment

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 flow-back fluids treatment
Enhanced industrial wastewater treatment (Conference ...
Enhanced industrial wastewater treatment (Conference ...

@article{osti_353577, title = {Enhanced ,industrial wastewater treatment,}, author = {Nachabe, A H and Durlak, E}, abstractNote = {The sodium sulfide/ferrous sulfate (SS/FS) process is a ,treatment, technology for the reduction of hexavalent chromium and precipitation of heavy metals in ,industrial wastewater treatment, plants (IWTP). When the ferrous ion, as ferrous sulfate, is mixed with sulfide ...

Chromium (VI) tolerance and bioaccumulation by Candida ...
Chromium (VI) tolerance and bioaccumulation by Candida ...

isolated from textile ,wastewater, Sidra Ilyas1, Dilara A. Bukhari2 and Abdul Rehman1* Abstract In the present study a yeast strain isolated from ,industrial wastewater,, identified as Candida tropicalis, showed chromium (,Cr,) tolerance level up to 5mM. Yeast grown in minimal salt medium ,containing Cr, …

Sustainability | Free Full-Text | Ironmaking and ...
Sustainability | Free Full-Text | Ironmaking and ...

The removal of ,Cr, 6+ ions from ,wastewater, was proposed to occur via a redox process in which the calcium and iron (as FeO, Fe 3 O 4, Ca 2 Fe 2 O 5 and CaFe 2 O 4) phases in the slag reacted with the ,acid, to release Fe 2+ and Ca 2+ ions.

Acid Mine Drainage - an overview | ScienceDirect Topics
Acid Mine Drainage - an overview | ScienceDirect Topics

Acid mine drainage (AMD) is the runoff produced when water comes in contact with exposed rocks containing sulfur-bearing minerals that react with water and air to form sulfuric acid and dissolved iron. This acidic run-off dissolves heavy metals including, copper, lead,, and, mercury, which pollute ground and surface water. Adsorption (on coal)

Effects of organic compounds on freshwater life
Effects of organic compounds on freshwater life

What are the origins of organic pollutants? Organic pollutants originate from, domestic sewage (raw or treated), urban run-off, industrial (trade) effluents and farm wastes., Sewage effluents is the greatest source of organic materials discharged to freshwaters.

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · 7.1. The degradable organic pollutants. Wastewater with degradable organic pollutants usually comes from, domestic sewage, food processing, breeding industry, etc. This wastewater has high BOD, and could break down in the nature condition, given enough time.

Industrial wastewater treatment - Hyperleap
Industrial wastewater treatment - Hyperleap

Brine ,treatment, is commonly encountered when treating cooling tower blowdown, produced water from steam assisted gravity drainage (SAGD), produced water from natural gas extraction such as coal seam gas, frac flowback water, ,acid, mine or ,acid, rock drainage, reverse osmosis reject, chlor-alkali ,wastewater,, pulp and paper mill effluent, and waste streams from food and beverage processing.

Research on treatment of wastewater containing heavy metal ...
Research on treatment of wastewater containing heavy metal ...

1/2/2018, · This paper introduced the working principle of MFC, the classification of cathode, and the research progress on the ,treatment, of ,wastewater containing Cr,(VI), Cu(II), Ag(I), Mn(II) and Cd(II) by MFC. The study found that different cathode, different heavy metals anddifferent hybrid systems would affect the performance of the system and removal effect for heavy metal in MFC.

Electrochemical Recovery of Phosphorus from Acidic Cheese ...
Electrochemical Recovery of Phosphorus from Acidic Cheese ...

Electrochemical phosphorus mining from high-ionic strength acidic wastewater is accomplished by, electrochemically induced calcium phosphate precipitation, and provides a potential phosphorus source.

Industrial / Municipal Water and Wastewater | Tru-Tech Valve
Industrial / Municipal Water and Wastewater | Tru-Tech Valve

Industrial / Municipal Water and Wastewater, Water ,treatment, applications are typically high-purity applications requiring minimal contact of the valve body with the conveyed media. ,Wastewater, applications typically include suspended solids or require conveying of corrosive chemicals for water and ,wastewater treatment,.

Removal of Chromium from Industrial Wastewater by ...
Removal of Chromium from Industrial Wastewater by ...

The stock solution of ,Cr, (VI) ,containing, concentration of 1000 mg/l was prepared by dissolving 2.829 g of potassium dichromate, K 2 ,Cr, 2 O 7 analytical grade, in 1000 ml of deionized water. The stock solution was further diluted with distilled water to desired concentration of test solution. The required pH of the solution was adjusted by drop wise

Wastewater Treatment in Textile Tanneries and ...
Wastewater Treatment in Textile Tanneries and ...

Wastewater treatment, consists of applying known technology to improve or upgrade the quality of a ,wastewater,. Usually ,wastewater treatment, will involve collecting the ,wastewater, in a central, segregated location (the ,Wastewater Treatment, Plant) and subjecting the ,wastewater, to various ,treatment, processes. Most often, since

Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

In the ,treatment, of ,industrial, waste, this ,treatment, may be adopted as a secondary or tertiary ,treatment, where the ammonia nitrogen content of the influent is comparatively nitrogen is desired. The ,treatment, is based on the reaction of ammonia nitrogen with oxygen in aerated pond or lagoon to form nitrites and finally to the nitrate nitrogen form in the presence of a specialized group of ...

Treatment of Electroplating Wastewater by Adsorption Technique
Treatment of Electroplating Wastewater by Adsorption Technique

hexavalent chromium (Cr+6) using scrap iron filings in both synthetic ,wastewater,, ,containing, 30 mg/L of Cr+6, and chromium plating ,wastewater,. Optimum condition for removal of Cr+6 was found to be at pH 3, iron particle sizes (35 – 200) mesh, agitating rate 250 rpm, contact time 180 minutes and iron dosage of 1 g. It was also observed that

Inorganic Substances - Wastewater Treatment - Climate ...
Inorganic Substances - Wastewater Treatment - Climate ...

18/3/2021, · Organic nitrogen includes such natural constituents as peptides, proteins, urea, nucleic acids, and numerous synthetic organic materials. Ammonia is present naturally in wastewaters. It is produced, primarily by deaeration of organic nitrogen-containing compounds and by hydrolysis of urea.

Industrial Wastewater: What is It & Where Does It Come From?
Industrial Wastewater: What is It & Where Does It Come From?

Processing of food from raw materials results in waters filled with high loads of particulate matter and soluble organic runoff or chemicals. Organic waste from, animal slaughter and processing, the bodily fluid, intestinal matter, and blood all, are sources of water, contaminants, that need to be treated. How to Deal with Industrial Wastewater?

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