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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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(PDF) Ammonium Recovery from Wastewater
(PDF) Ammonium Recovery from Wastewater

28/8/2018, · construction enhances the transfer of ammonia from the ,wastewater, to the air. The ammonia in the air strea m can be recovered by reaction with an acid solution.

Acidic wastewater is neutralized using ammonia lime or ...
Acidic wastewater is neutralized using ammonia lime or ...

Acidic wastewater, is neutralized using ammonia lime or soda ash Alkaline from PETROLEUM 101 at Massachusetts Institute of Technology

Utilization of municipal wastewater for cooling in ...
Utilization of municipal wastewater for cooling in ...

It was also found that stripping of ,ammonia, and carbon dioxide in the cooling tower can influence the cooling loop pH significantly. The effects of the NH3 mass transfer coefficient on cooling loop pH appear to be more significant at lower values (e.g., kNH3 < 4×10-3 m/s) when the makeup water alkalinity is low (e.g., <90 mg/L as CaCO3).

Novel Isothermal Membrane Distillation with Acidic ...
Novel Isothermal Membrane Distillation with Acidic ...

vapor flux and, thus, significantly improved selectivity for ,ammonia, transport. The ,acidic, collector further enhanced ,ammonia, vapor flux by an average of 46.5% compared to using a deionized water collector. Against a total ammoniacal nitrogen concentration gradient, i.e., uphill transport, ,ammonia, recovery of ≈60% was attained,

Waste water treatment methods_Evaporation equipment ...
Waste water treatment methods_Evaporation equipment ...

Ammonia, nitrogen ,wastewater, introduction: Now with the rapid development of chemical fertilizer, ... in the side of the membrane is a high concentration of ,ammonia, nitrogen ,wastewater,, on the other side ,is acidic, aqueous solution or water. ... Multi-effect ,evaporation, is to make the heated salt water evaporating in several series of ...

Removal of ammonia nitrogen in wastewater by microwave ...
Removal of ammonia nitrogen in wastewater by microwave ...

30/1/2009, · Consequently, the molecular movement in ,wastewater, was greatly enhanced, which was highly advantageous for the ,evaporation, of volatile molecular ammonia from liquid to gas. When the temperature of solution rose to boiling point, molecular ammonia could be stripped from the solution by the gas bubbles produced.

Effects of Ammonia Stripping and Other Physico-Chemical ...
Effects of Ammonia Stripping and Other Physico-Chemical ...

dissolved in a liquid through a mass transfer. In the case of SW, which is the liquid phase, ,ammonia, is used as gas. In the AS process, the ,wastewater, is aerated after mixing with alkali at pH over 8.5, which allows for easier ,ammonia, stripping. ,Ammonia, is then recovered by an adsorbing unit, filled with a sulfuric acid solution, as ammonium sulphate.

Emission factor for atmospheric ammonia from a typical ...
Emission factor for atmospheric ammonia from a typical ...

1/1/2017, · The ,wastewater, pH values at LD ranged from 7.08 to 8.27, and within this range, the ,ammonia, concentration increased by a factor of 30 or more. Therefore, knowledge of the pH variation of WWTPs is important for obtaining plant- or region-specific ,ammonia, emission factors, which is crucial for establishment of a reliable high-resolution emission inventory.

EP1204594A1 - Method for the evaporation of an aqueous ...
EP1204594A1 - Method for the evaporation of an aqueous ...

With a pH of 6 or above,, ammonia, is, evaporated, along with water and forms an inert gas layer, which impedes condensation on the evaporator surfaces. To solve this problem, acid (21) is added to the...

Alkaline Wastewater - an overview | ScienceDirect Topics
Alkaline Wastewater - an overview | ScienceDirect Topics

Acidic wastewater is neutralized using, ammonia, or, soda, ash. Alkaline wastewater is treated with sulphuric acid, carbon dioxide-rich flue gas or sulphur. Figure 17.3 shows a …

Characteristics of Wastewater | Wastewater Management
Characteristics of Wastewater | Wastewater Management

The test for pH value of ,wastewater, is carried out to determine whether it- ,is acidic, or alkaline in nature. Fresh sewage is generally alkaline in nature, (its pH value between 7.3 to 7.5). However, as the time passes, pH value tends to fall due to production of acids by bacterial action, and the sewage tends to become ,acidic,.

Industrial wastewater treatment and valorization for the ...
Industrial wastewater treatment and valorization for the ...

These result from the action of a strong acid (sulfuric acid) on a weak base (,ammonia,). This explains why their solutions are partially hydrolyzed and are slightly ,acidic,. For the same reason, on boiling, ,ammonia, is released. Ammonium sulfate can form explosive mixtures with strong oxidants, such as chlorates.

Acidic wastewater is neutralized using ammonia lime or ...
Acidic wastewater is neutralized using ammonia lime or ...

Acidic wastewater, is neutralized using ,ammonia, lime or soda ash Alkaline from PETROLEUM 101 at Massachusetts Institute of Technology

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

The neutralization with ammonia represents the best alternative because it offers a viable solution for the acidic wastewater treatment obtaining a final product with demand in the agriculture. Although obtaining ammonium nitrate pearl has several advantages, the equipment and production costs are very high.

How Lead Ended Up In Flint’s Tap Water
How Lead Ended Up In Flint’s Tap Water

5) The asbestos lining of the pipes gets into our wastewater thus exposing our ground water to cancer causing chemicals - and we in turn drink this water.

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