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gas separation membrane

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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gas separation membrane
Wastewater Treatment and Reclaim Systems
Wastewater Treatment and Reclaim Systems

Treatment of ,copper,-,containing, CMP ,wastewater, by ... Neutralisation plant for ,acidic wastewater, ... 1 ultrafiltration and reverse osmosis plant for ,organic, CMP ,wastewater, Particularities: Complete integration in the existing water/building concept water recycling about 90%

Apparatus for the removal of heavy metals from acidic ...
Apparatus for the removal of heavy metals from acidic ...

An apparatus for removing high concentrations of heavy metals from ,acidic wastewater, comprising: (a) a chemical storage tank ,containing, a 50% solution of sodium hydroxide (NaOH); (b) a first conditioning tank connected to said chemical storage tank to receive said sodium hydroxide and then mix said sodium hydroxide with said ,acidic wastewater, to increase a pH level of said ,acidic wastewater, to ...

Wastewater Treatment through Low Cost Adsorption ...
Wastewater Treatment through Low Cost Adsorption ...

7/4/2016, · In this case, counterions with lower K ps values are used, for instance sulphide ions (S 2 −) are used to improve the ,wastewater, treatment of waters ,containing, mercury or cadmium. Most of the treatments employed in our country only consider a alkaline chemical treatment by contacting the ,acidic, stream with CaCO 3 or CaO or Ca ( OH ) 2 raising the pH up to a point where metals are partially ...

Wastewater Treatment - Acid / Caustic Neutralization
Wastewater Treatment - Acid / Caustic Neutralization

Contaminants such as salts and ,process, metals are filtered out of the media, and a dilution stage is executed to further neutralize the filtered media to an appropriate condition. Our ,acid /, caustic neutralization services can be used for: Laboratory waste ,water, …

(PDF) Flow Equalization and Neutralization
(PDF) Flow Equalization and Neutralization

Neutralization is a common practice in ,wastewater treatment, and waste stabilization. If a waste stream is found to be hazardous because of corrosivity, neutralization is the primary ,treatment, used.

TSS Water Course Module 11 Waste Neutralization
TSS Water Course Module 11 Waste Neutralization

Section 7. Generally,, neutralization, involves the use of an, acid, (pH less than 7) to lower the pH of a tank of basic (or alkaline) liquid (pH greater than 7), or the use of a base (or alkali) to raise the pH of a tank of, acidic, liquid. In the, water treatment, industry,, wastewater, is generated from the regeneration of

Neutralization of Wastewater - avs.globecore.com
Neutralization of Wastewater - avs.globecore.com

6/1/2017, · Neutralization of wastewater is required before releasing it into water bodies or reuse in various technology processes. Wastewater containing acids or alkali must be neutralized. Water with pH of 6.5 – 8.5 are considered neutral., Neutralization, is required where pH is below 6.5 and above 8.5.

pH Neutralization in Wastewater Treatment | Sensorex
pH Neutralization in Wastewater Treatment | Sensorex

Neutralization of process water is, a critical step in most industrial wastewater treatment processes., There are a multitude of regulatory requirements both Federal and State regarding wastewater discharge requirements. Users should consult their local agencies for specific requirements as …

TREATMENT OF ACIDIC WASTEWATER FROM THIEN KE TIN ...
TREATMENT OF ACIDIC WASTEWATER FROM THIEN KE TIN ...

from the ,wastewater,, such as iron from 143.1 mg/L to 0.3 mg/L, ,copper, from 16.32 mg/L to 0.04 mg/L and manganese from 10.9 mg/L to 0.05 mg/L. The continuous mode with a hydraulic load of 100 l/h and an according retention time of three days showed constitutive contaminant removal. The effluent pH of the system was around 7 within six-day period.

Acid Neutralization - Industrial Waste Treatment
Acid Neutralization - Industrial Waste Treatment

OMEGA Single-Stage Continuous ,Acid, Neutralization Systems. Up to 100 gpm, acidic or alkaline ,wastewater,, fully automatic pH adjustment with continuous chart recording, factory assembled with single inlet and outlet, automatic shutoff or recirculating valve, NEMA-4X control panel, UL-approved. OMEGA Two-Stage Continuous ,Acid, Neutralization Systems

Simultaneous removal of atrazine and copper using ...
Simultaneous removal of atrazine and copper using ...

Additionally, recalcitrant ,organic, compounds and heavy metals commonly coexist in real environments such as agriculture production, bio-treated effluent and dye ,wastewater,, giving rise to more ...

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

Generally, alkaline mercury-,containing wastewater, is usually treated by chemical coacervation or sulfide precipitation; ,acidic, mercury-,containing wastewater, can be treated by metal reduction; low-concentration mercury-,containing wastewater, can be treated by activated carbon adsorption, chemical coacervation or activated sludge; ,organic, mercury ,wastewater, is difficult to treat and is usually ...

Neutralization of Wastewater in the Chemical Industry ...
Neutralization of Wastewater in the Chemical Industry ...

Neutralizing, Acidic wastewater, requires an addition of a specified amount of base to the, acidic water-holding, container. This is because adding a base to a dilute acid is safer than the reverse, procedure,, which is associated with explosion and vigorous reactions.

DIGITAL.CSIC: Copper removal from acidic wastewaters using ...
DIGITAL.CSIC: Copper removal from acidic wastewaters using ...

In this membrane technology, pseudo-emulsion is an emulsion that is formed temporarily between ,organic, and stripping solutions, both solutions are completely separated when mixing is stopped. The value of the overall mass transfer coefficient obtained under standard experimental conditions was 5.5×10 -3cm/s, being the recovery of ,copper, in the stripping solution around 80-85%.

Wastewater Neutralization Systems - pH adjustment
Wastewater Neutralization Systems - pH adjustment

Waste Acid Neutralization Systems for the pH neutralization of concentrated acids and alkalis (bases). These systems are designed to handle the heat and energy released during the neutralization of concentrated acids and bases by controlling the rate of reaction and through the use of, process cooling.

Methods of Removing Heavy Metals from Industrial Wastewater
Methods of Removing Heavy Metals from Industrial Wastewater

aqueous metal-bearing solution ,containing, a cathode plate and an insoluble anode. Electricity can be generated by movements of electrons from one element to another. Electrochemical process to treat ,wastewater containing, heavy metals is to precipitate the heavy metals in a weak ,acidic, or neutralized catholyte as hydroxides.

Inhibition effect of dissolved organic matter in secondary ...
Inhibition effect of dissolved organic matter in secondary ...

Four dissolved ,organic, fractions (hydrophobic ,acidic,, hydrophobic alkaline, weakly hydrophobic and hydrophilic) were isolated from municipal ,wastewater, plant effluent by using DAX-8/XAD-4 resin adsorption techniques. The UV254 absorbent of the water samples ,containing, the four fractions was 0.115, 0.031, 0.038 and 0.011, respectively.

Removal of Dissolved Metals from Acid Wastewater Using ...
Removal of Dissolved Metals from Acid Wastewater Using ...

Removal of Dissolved Metals from Acid Wastewater, Using ,Organic, Polymer Hydrogels Masahiko Bessho1, 2, Radmila Markovic3, Tatjana Apostolovski Trujic3, ... removal of metals from ,acidic wastewater, by adsorption was investigated. Acid extraction (Type A) ... ,containing, 2 mM of Cu at different pHs. The ,copper, solutions were prepared from ,copper

Chemicals used for pH Neutralization of Industrial Wastewater
Chemicals used for pH Neutralization of Industrial Wastewater

Chemicals Used for pH Adjustment of Industrial Wastewater. The most commonly used neutralization chemicals for acid or base neutralization are 9,3% Sulfuric acid, and 50% Sodium hydroxide. In many cases these are very good choices, however, there are many considerations when selecting chemicals and these may not always be the best selection.

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