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Fracturing flowback fluid is discharged after 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 flowback fluid is discharged after treatment
Quickly Determine the Nitrate Content in Soil Envirotech ...
Quickly Determine the Nitrate Content in Soil Envirotech ...

Testing the soil for ,nitrate, is therefore very critical for managing fertiliser use in crop production. Levels in soils need to be tested regularly - including the residues leftover from previous fertiliser applications. If there is too much ,nitrate, in the soil, the pH drops, and the soil becomes too ,acidic,.

The Nitrogen Cycle - How Ammonia and Nitrite are ...
The Nitrogen Cycle - How Ammonia and Nitrite are ...

In natural or aquaculture ponds and lakes, this condition is found only in the sludge, but ,in wastewater,, the condition can be created by adding ,nitrate, to collection systems, anaerobic lagoons etc., or is created by addition of ,wastewater, that formerly contained ammonia, following nitrification, as described above.

Development of a Technology for Treating Wastewater ...
Development of a Technology for Treating Wastewater ...

The production process of nitroaromatic hazardous compounds, with the generation of acidic wastewater, represents a significant danger for the health and safety of the workers and the environment. This wastewater containing solid particles of the nitroaromatic compounds and nitric acid in a concentration range between 58 and 62% constitutes a ...

Basics of Wastewater Treatment : Barnstable County ...
Basics of Wastewater Treatment : Barnstable County ...

Ammonia must first be oxidized to ,nitrate,; ,nitrate, is then reduced to nitrogen gas. These reactions require different environments and are often carried out in separate areas in the ,wastewater, treatment system. The first step in the process, conversion of ammonia to nitrite and then to ,nitrate,, is called nitrification (NH 3 NO 2 + NO 3).

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