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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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Coagulation and Flocculation in Water and Wastewater ...
Coagulation and Flocculation in Water and Wastewater ...

Coagulation is also important in ,several wastewater, treatment operations. A common example is chemical phosphorus removal and another, in overloaded wastewatertreatment plants, is the practice of chemically enhancing primary treatment to reduce suspended solids and …

Installation of neutralization of the waste waters
Installation of neutralization of the waste waters

The closest device to the declared object on the totality of symptoms is the installation for ,wastewater, disinfection (EN 2057079, MKI 7 02F 1/34, C0F 3/18, 1996), which is provided on the suction pipe of the pump valve and block the cavitation generator, and nanopores pipeline pump - successively installed valve, heat exchanger and cavitation generator type Venturi tubes, consisting of a ...

Characteristics of Alkaline Wastewater Neutralization for ...
Characteristics of Alkaline Wastewater Neutralization for ...

The spectra were collected under ambient conditions using the 514.5 nm line of argon-ion laser to compare the reaction similarity between ammonia and ,wastewater,.Alkalinity of liquid samples was measured volumetrically using standardized sulfuric ,acid, solution using end-point indicators (methyl green) and/or a pH meter.The chemical oxygen demand (COD) of the ,wastewater, was calculated …

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

For ,neutralization, treatment, the principle of waste treatment should be considered first. For example, ,acid, or alkali ,wastewater, neutralizes each other or neutralizes acidic ,wastewater, with waste alkali (slag), and neutralizes alkaline ,wastewater, with waste ,acid,. In the absence of these conditions, a neutralizing agent treatment can be ...

(PDF) Neutralization of Industrial Water by Electrodialysis
(PDF) Neutralization of Industrial Water by Electrodialysis

This is due to the ,neutralization, of the H+ or OH− ions generated by the bipolar membrane by water ions, which are formed as a result of the dissociation of water molecules at the border of the ...

Mathematical Modeling and Development of a Low Cost Fuzzy ...
Mathematical Modeling and Development of a Low Cost Fuzzy ...

Directly related to the ,wastewater neutralization, control, ,there, is a need of balance, ... based in ,several methods, such as the process knowledge ... 0 to 80% and 0 to 100% on the ,acid, pump with the . Fig. 2. ,Neutralization, System prototype for the studied system.

Eco-Friendly Treatment of Acid Red by an Application of ...
Eco-Friendly Treatment of Acid Red by an Application of ...

neutralization,, reduction, oxidation, electrolysis and ion-exchange; are effective and efficiently remove dyes from the effluents but produced large sludge and by products which are more toxic. Biological processes like aerobic, anaerobic and bioaugmentation and biostimulation are getting more attention as they are cost effective, easy to

TWI249508B - Hydrofluoric acid wastewater treatment method ...
TWI249508B - Hydrofluoric acid wastewater treatment method ...

The hydrofluoric ,acid wastewater, treatment method comprises the following steps: a hydrofluoric ,acid, concentration step (S1) comprising concentrating hydrofluoric ,acid wastewater, by evaporation to produce a concentrated hydrofluoric ,acid, water and a hydrofluoric ,acid,-containing vapor; a dissolution step (S2) comprising bringing the hydrofluoric ,acid,-containing vapor obtained in the hydrofluoric ,acid, …

MODULE 23: Management of Healthcare Wastewater
MODULE 23: Management of Healthcare Wastewater

acid,-base ,neutralization,, filtration and sedimentation, ... –Disinfected with hydrated calcium oxide for ,several, hours before being discharged via the drain • Stool, vomit and mucus from infectious patients should ... associated with healthcare ,wastewater,? Are ,there

STUDY ON BASIC METHODS OF SPENT CAUSTIC TREATMENT …
STUDY ON BASIC METHODS OF SPENT CAUSTIC TREATMENT …

In the direct ,acid neutralization, (DAN) treatment process, the spent caustic ,wastewater, is acidified to release acidic components that were captured in the alkaline caustic solution. Sulphuric ,acid, (98%) and hydrochloric ,acid, are suitable. This results in sulfides and mercaptans being released as ,acid, gases and

SARS-CoV-2 Variants of Concern | CDC
SARS-CoV-2 Variants of Concern | CDC

A variant for which ,there, is evidence of an increase in transmissibility, more severe disease (e.g., increased hospitalizations or deaths), significant reduction in ,neutralization, by antibodies generated during previous infection or vaccination, reduced effectiveness of treatments or vaccines, or diagnostic detection failures.

Wastewater Treatment Methods and Disposal - 1...
Wastewater Treatment Methods and Disposal - 1...

There, are three ,methods, by which final disposal of ,wastewater, can be accomplished. The general problem areas that are of concern in final disposal are pathogenic microorganisms (viruses, etc.), heavy metals and the presence of biologically resistant organic compounds, such as pesticides or insecticides which can find their way into water supplies.

Recommended Methods of Reduction Neutralization Recovery ...
Recommended Methods of Reduction Neutralization Recovery ...

There, are two ,methods, for the manufacture of hydrazoic ,acid, or its salts. One is based on the action of nitrous ,acid, on hydrazine: N2H4 + HN02 -»• HN3 + 2H20 An excess of nitrous ,acid, decomposes hydrazoic ,acid, in accordance with the equation as follows: HN3 + HN02 -»• N2 + N20 + H20 45

DYES AND PIGMENTS MANUFACTURING INDUSTRIAL WASTE WATER ...
DYES AND PIGMENTS MANUFACTURING INDUSTRIAL WASTE WATER ...

10 Hydro chloric ,acid, liquid 8.00 11 Sulphuric ,acid, Liquid 5.00 12 Acetic ,acid, Liquid 15.00 13 catalyst and surfactants Solid 0.75 Here we seen above data (in table no 1&2) that shows highest per cent of aromatic amines, nitrogen based row material is used and ,there, for highest amount of ammonia,

Hydrofluoric acid wastewater treatment method and device ...
Hydrofluoric acid wastewater treatment method and device ...

A hydrofluoric acid, wastewater, treatment method comprising the following steps: a first concentration step comprising concentrating hydrofluoric acid, wastewater, by evaporation to produce a concentrated hydrofluoric acid water and a hydrofluoric acid-containing vapor; a neutralization-condensation step comprising, neutralizing, with, an alkali, and condensing the hydrofluoric acid-containing vapor obtained in the first concentration step to produce a, neutralized, …

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