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Acid tailing wastewater

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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Acid tailing wastewater
Optimized synthesis of novel hydrogel for the adsorption ...
Optimized synthesis of novel hydrogel for the adsorption ...

the best condition for synthesis was when the degree of ,neutralization, of acrylic ,acid, (A) was 70%, the quantity of glucose (B) was 0.2 g, the quantity of chitosan (C) was 0.05 g, and the quantity of initiator (D) was 0.03 g. The influence of the four factors was in the order D > B > C > A. The adsorption

Complex extraction and stripping of H acid wastewater ...
Complex extraction and stripping of H acid wastewater ...

The ,acid, dye intermediates 1-diazo-2-naphthol-4-sulfonic ,acid wastewater, treatment by using solvent (trialkylamine N235) ,extraction,, and the raffinate treatment by hydrogen peroxide catalytic ...

Electrobiochemical Neutralization of Acid Mine Water
Electrobiochemical Neutralization of Acid Mine Water

about 100 mg/1 ,of acid,. At lower acidity, the buffering action is too weak to maintain low pH values, and the rate of ,neutralization, in creases. In a second ,experiment,, a 30-1 cell with electrodes having a larger surface area than in the previous ,experiment, was tested. …

[Extraction and stripping of H acid and DSD acid wastewater].
[Extraction and stripping of H acid and DSD acid wastewater].

H, acid, and DSD, acid, are two important substrate of dyes, which, wastewater, is treated more difficulty because of containing multi-component, with high chroma value and nonbiodegradability. A treatment way of this, wastewater, by, extraction, based on chemical association was carried out.

Neutralization Of Hydrochloric Acid And Sodium Hydroxide ...
Neutralization Of Hydrochloric Acid And Sodium Hydroxide ...

Hydrochloric ,acid, is produced in the. ,Neutralization, of hydrochloric ,acid, and sodium hydroxide. Hydrochloric ,acid, or muriatic ,acid, is a colorless inorganic chemical system with the formula h 2 ohcl. Hydrochloric ,acid, has a distinctive pungent smell. Hydrochloric ,acid, is a common ,acid, for the ,neutralization, of alkaline ,wastewater,.

Indian Patents. 243806:BIOLOGICAL NEUTRALIZATION OF …
Indian Patents. 243806:BIOLOGICAL NEUTRALIZATION OF …

The isolated bacterial strain is capable to bring down the pH of ,wastewater, from 12.00 to 7.00 units within two hours. The ,neutralization, of alkaline textile industrial ,wastewater, by such biotechnological process is highly effective and economical as compared to conventional ,neutralization, …

Supplementary Information from domestic wastewater ...
Supplementary Information from domestic wastewater ...

1. Domestic ,wastewater, characterization Raw domestic ,wastewater, was collected from a local wet well that only receives household ,wastewater, in a residential zone in Brisbane. The collected ,wastewater, was immediately stored at 4 ºC to minimize biological transformation and used within 7 days of collection. Prior to each sorption ,experiment,, the

Chemical Industry Wastewater Treatment Using Adsorption
Chemical Industry Wastewater Treatment Using Adsorption

solids increases during ,neutralization, of the ,wastewater, with ,acid,/ alkali during primary treatment. which adversely affects the ... the ,experiment, was terminated. The experiments were repeated with 5 g bentonite ... for ,wastewater, from H-,acid,. BP is effective for

Experimental Research on Wastewater Reuse Technology of ...
Experimental Research on Wastewater Reuse Technology of ...

Wastewater, reuseirculating cooling water, C , Decrease of hardness and desalination, ... By means of decrease of hardness, ,neutralization, and desalination union technology, the drained ,wastewater, of industrial circulating cooling water system can be treated. The purified water ... and sought the best ,experiment, , conditions[4].

Sulfuric acid waste recycling by regenerative process ...
Sulfuric acid waste recycling by regenerative process ...

The result is a process that provides useable and concentrated sulfuric ,acid, from dilute waste streams that previously required expensive ,neutralization,. The existence of dilute sulfuric ,acid, waste streams is so wide spread in industry that extensive application should result inside and …

PROCESS MODEL-BASED CONTROL OF WASTEWATER pH by IN ...
PROCESS MODEL-BASED CONTROL OF WASTEWATER pH by IN ...

nonlinear, multi-,acid, plus common ion salt ,wastewater, flow-through pH ,neutralization, process is demonstrated with a Process Model-Based Control (PMBC) strategy. The reduced phenomenological model of the "expert" controller considers the ,wastewater, as a single fictitious ,acid, of unknown concentration and of unknown Gibbs free energy of dissociation.

Calcium Carbonate as an Agent in Acid Mine Water ...
Calcium Carbonate as an Agent in Acid Mine Water ...

effects of various ,neutralization, agents to modify the pH value and concentrations of iron, manganese and sulphates. For each test, 500ml ,of acid, mine water (AMW) in 1000 ml polyethylene beakers were used. The amount of the dosed agents differed in dependence on the undertaken ,experiment,. The suspension was stirred at a constant speed of 150

Sulfuric acid waste recycling by regenerative process ...
Sulfuric acid waste recycling by regenerative process ...

The result is a process that provides useable and concentrated sulfuric ,acid, from dilute waste streams that previously required expensive ,neutralization,. The existence of dilute sulfuric ,acid, waste streams is so wide spread in industry that extensive application should result inside and …

Treatment of Industrial Wastewater by Organic Wastes
Treatment of Industrial Wastewater by Organic Wastes

lead, manganese, nickel and iron. The ,experiment, was carried out on laboratory scale for different retention periods approximately for three months. The water chemistry of industrial ,wastewater, treatment process in the bioreactors is summarized below. pH The pH of input industrial ,wastewater, in the bioreactors was 5.58 and it increased up to 8 ...

Iron Removal from TiO2—Plant Acidic Wastewater | Journal ...
Iron Removal from TiO2—Plant Acidic Wastewater | Journal ...

Iron in titanium‐dioxide plant industrial ,wastewater, is removed by limestone in the dune sand into which the waste is disposed. A pilot scale laboratory column ,experiment, to investigate the interactions between the waste and the sand showed that the iron was removed from solution as iron carbonate just beyond the ,acid neutralization, zone.

Extraction of Picric Acid from Wastewater by a Secondary ...
Extraction of Picric Acid from Wastewater by a Secondary ...

Extraction, of Picric ,Acid, from ,Wastewater, by a Secondary Amine (Amberlite LA2) in Octan-1-ol: Equilibrium,, Kinetics,, Thermodynamics,, and Molecular Dynamics Simulation. Hasan Uslu * † § Dipaloy Datta ‡ Hisham S. Bamufleh §

Disposal of Waste Battery Electrolyte by Neutralization ...
Disposal of Waste Battery Electrolyte by Neutralization ...

The heavy metals content present in the ,wastewater, can be removed effectively to acceptabl e levels by introducing ions such as hydroxide, ... it was decided to do ,experiment, on laboratory Scale first. ... For ,neutralization, of 60liter ,acid, around 22liter of alkali was required.

Recovery of Fumaric Acid from Industrial Wastewater by ...
Recovery of Fumaric Acid from Industrial Wastewater by ...

21/1/2010, · The study on chemical ,extraction, and stripping for the recovery of fumaric ,acid, from low concentration organic ,acid wastewater, has been carried out. The parameters influencing the ,extraction, efficiency were investigated, including extractant concentration, the initial pH, the volume ratio of water to oil (W/O), the ,extraction, temperature, and the concentration of n‐octanol.

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