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How does fracturing flowback fluid turn yellow

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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How does fracturing flowback fluid turn yellow
(PDF) Process Wastewater Treatment and Management in Gas ...
(PDF) Process Wastewater Treatment and Management in Gas ...

The composition of ,reaction, water largely depends on the catalyst metal used in the FT reactor and ,reaction, conditions such as pressure, temperature, etc. Table-2 Typical Composition of Fischer-Tropsch ,Reaction, Water Component LTFT LTFT HTFT (mass %) (Cobalt Catalyst) (,Iron, Catalyst) (,Iron, Catalyst) Water 98.89 95.7 94.11 Non-,acid, oxygenated hydrocarbons 1.00 3.57 4.47 Acidic oxygenated ...

WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …
WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …

In ammonia stripping, lime or some other caustic substance is generally added to the ,wastewater, until pH reaches 10.8-11.5 standard units, converting ammonium hydroxide ions to ammonia gas according to equilibrium ,reaction,: The equilibrium is governed by pH and temperature, according to the ,equation, describing the ,reaction,'s ionization constant (Keq) The equilibrium in water of the two ...

Wastewater odor & corrosion control | Water Tech Online
Wastewater odor & corrosion control | Water Tech Online

H 2 S remains soluble in the ,wastewater, until the pH is lower than 9.0 – usually at the headworks of the ,wastewater, treatment system. Alternate oxygen source or sulfate substitute. In an anaerobic environment, the microbiology in a collection system will use oxygen from a ,nitrate, (NO 3) molecule more readily than from a sulfate (SO 4).

A Review of Anoxic Wastewater Treatment: An Overlooked ...
A Review of Anoxic Wastewater Treatment: An Overlooked ...

ii. Requires a BOD/TKN ratio of 4:1 in the ,wastewater, influent for effective ,nitrate, reduction by pre-anoxic process. iii. Anoxic tank detention time is from 2 to 4 hours. iv. Can meet effluent standard of less than 10mg/l total nitrogen. v. A total nitrogen concentration range of 4 to 7mg/l is achieved for ,treated, domestic ,wastewater

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