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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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waste disposal system
AcidRecovery.com - Acid Recovery Technology - News
AcidRecovery.com - Acid Recovery Technology - News

Diffusion dialysis for ,acid, recycling reduces ,acid, purchases and eliminates or lessens ,neutralization, or hazardous waste hauling costs and the related liability. Toxic chemical use is reduced, and the required reporting and handling of hazardous material and associated labor is greatly reduced.

Hot Microbubble Air Stripping of Dilute Ethanol–Water ...
Hot Microbubble Air Stripping of Dilute Ethanol–Water ...

Stripping, of mashes with air as ,stripping, gas and low ethanol contents between 3 and 5wt% was investigated in terms of its suitability for continuous bioethanol production. Experiments in a Blenke cascade system were carried out and the results were compared with values obtained from theoretical vapour-liquid-equilibrium calculations.

SCIENCE: Water analysis
SCIENCE: Water analysis

2. Add 5 to 7 glass boiling beads. 3. Add 1g of mercuric sulphate (HgSO4), 5ml of concentrated sulphuric ,acid, / silver sulphate solution, and mix until the HgSO4 is in solution. The function of the mercuric sulphate is to bind or complex chlorides. One gram may not be required if the chloride ,concentration, …

Treatment of acidic wastewater via fluoride ions removal ...
Treatment of acidic wastewater via fluoride ions removal ...

15/11/2020, · The methods that are applied today for the treatment of, phosphoric acid, industry, wastewater, (PAIWW) include: (1) Neutralization. The, acidic wastewater, is neutralized with calcium-based reagents such as calcium carbonates, oxide or hydroxide. The, neutralization, process facilitates precipitation of fluorite, sulfate and phosphate minerals.

Treatment of wastewater by electrocoagulation: a review ...
Treatment of wastewater by electrocoagulation: a review ...

17/11/2013, · The ,electrocoagulation, (EC) process is an electrochemical means of introducing coagulants and removing suspended solids, colloidal material, and metals, as well as other dissolved solids from water and wastewaters. The EC process has been successfully employed in removing pollutants, pesticides, and radionuclides.

Evaluation of inactivation methods for severe acute ...
Evaluation of inactivation methods for severe acute ...

Octanoic ,acid, is commonly used to inactivate lipid‐enveloped viruses during the production of human blood products. 13 To determine the effect of octanoic ,acid, on SARS‐CoV, virus‐spiked BSA solutions were incubated with octanoic ,acid, for 1 hour at pH 6.9 and at room temperature.

(PDF) Acid Mine Drainage Control and Treatment
(PDF) Acid Mine Drainage Control and Treatment

example, if 100 Mg ,of acid,/yr was the am ount ,of acid, to be neutralized, then it can be estim ated that 82 Mg of hydrated lime would be needed to neutrali ze the acidity in the water (100(0.74)/0.90).

Top Caustic Soda Ph Reviews! - Barus Holding Group
Top Caustic Soda Ph Reviews! - Barus Holding Group

In the textile business, ,lye, is used to bleach and whiten fabrics, significantly denim. Depending on focus, temperature and impurities, a wide range of alloys may be thought-about for use in caustic service. Increasing nickel content improves the resistance of stainless and nickel alloys to caustic. Commercially pure nickel alloys 200 and 201 are essentially

Ceramic Microfiltration Membranes in Wastewater Treatment ...
Ceramic Microfiltration Membranes in Wastewater Treatment ...

NOM is a complex mixture of compounds including fulvic ,acid,, humic ,acid, (HA) and humin formed through decay of plant and animal material in nature and is present in numerous sources. It is composed of a range of small, low molecular weight species such as carboxylic amino acids and proteins and larger, higher molecular weight species (from 0.5–30 kDa) such as humic and fulvic acids in high …

(PDF) Environmental Pollution and Control Fourth Edition ...
(PDF) Environmental Pollution and Control Fourth Edition ...

Academia.edu is a platform for academics to share research papers.

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · ,Neutralization, is controlling the pH of the ,wastewater, whether it is acidic or alkaline to keep the pH around 7. The lack of sufficient alkalinity will require the addition of a base ( Table 3 ) to adjust the pH to the acceptable range.

Solvent Extraction of Wastewaters from Acetic-Acid Manufacture
Solvent Extraction of Wastewaters from Acetic-Acid Manufacture

----- FIGURES Number Page 1 Recovery of butyl acetate from water by steam-,stripping, 4 2 Schematic of phenosolvan process 6 3 Volatile-solvent extraction process 9 4 Dual-solvent extraction process 10 5 Extraction of acetic ,acid, by di-tridecyl amine in various diluents 47 6 Extraction of acetic ,acid, by Alamine 336 in various diluents 53 7 Extraction equilibria for 50 vol % Alamine 336 ketone ...

Technologies for Recovering Nutrients from Wastewater: A ...
Technologies for Recovering Nutrients from Wastewater: A ...

9/5/2019, · N recovery requires ,stripping, and absorption into an ,acid, solution. Electrochemical: N can be concentrated to reduce chemical and operational costs in post-recovery steps. OH − generation on cathode eliminates chemical pH adjustment for post-recovery steps. Produced H 2 can be used as a potential fuel and passive means for NH 3 ,stripping,.

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · Neutralization is controlling the pH of the wastewater whether it is acidic or alkaline to keep the pH around 7. The lack of sufficient alkalinity will require the addition of a base ( Table 3 ) to adjust the pH to the acceptable range.

Simultaneous nitrogen and phosphorus recovery from ...
Simultaneous nitrogen and phosphorus recovery from ...

1/11/2020, · ,Ammonia-stripped wastewater, was then pumped to Anode 2 cell for pH, neutralization,., Wastewater, remaining in each cell compartment after each, experiment, was recovered and stored in the refrigerator, and the following, experiment, was started with those recovered solutions, after bringing them to room temperature.

Phosphorus Removal and Recovery from Digestate after ...
Phosphorus Removal and Recovery from Digestate after ...

4/6/2014, · Modification on waste streams’ constituents or operating conditions, such as chemical dosing, temperature elevation, air ,stripping, and reactor innovation, is made to improve struvite crystallization and precipitation, and therefore, to increase P removal and recovery efficiency.

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

In this paper, through ,wastewater, acidification and c.d. altering, we clarified the pptn. process and electrochem. interaction of phosphate and coexisting ions. The removal of P is attributed to amorphous calcium phosphate (ACP) formation, whereas the removal of bicarbonate is mainly due to calcite (CaCO3) formation and ,acid,-base ,neutralization,.

(PDF) Acid Mine Drainage Control and Treatment
(PDF) Acid Mine Drainage Control and Treatment

example, if 100 Mg ,of acid,/yr was the am ount ,of acid, to be neutralized, then it can be estim ated that 82 Mg of hydrated lime would be needed to neutrali ze the acidity in the water (100(0.74)/0.90).

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