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Quality of wastewater from sour water stripping unit

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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Quality of wastewater from sour water stripping unit
Advanced Anaerobic Digestion Study Guide
Advanced Anaerobic Digestion Study Guide

In a well operating ,digester, the volatile acids expressed as acetic ,acid, would be in the range of 50 to 500 mg/L and the alkalinity expressed as ,calcium carbonate, would be in the range of 2,000 to 3,000 mg/L. In a healthy ,digester, the volatile acids are used as food by the methane formers at about the same rate as they are produced.

4 Wastewater Reclamation Technology | Water Reuse ...
4 Wastewater Reclamation Technology | Water Reuse ...

These radicals along with molecular ozone will rapidly react with organic matter, ,carbonate,, bicarbonate, reduced metals, and other constituents in water. The reactions mediated by the hydroxyl radical are relatively nonselective, whereas molecular ozone is more selective (Elovitz et al., 2000).

Recovery of Organic Acid from Wastewater
Recovery of Organic Acid from Wastewater

Recovery of Organic ,Acid, from ,Wastewater, The recovery of organic acids from ,wastewater, involves the use of membrane filtration technology to concentrate and recover volatile fatty acids. Once microfiltration and ultrafiltration membranes are employed to clarify and fractionate the suspended solids, nanofiltration can be used to desalt and concentrate the organic acids.

Surfactant Cleanup and Recovery from Aqueous Solutions
Surfactant Cleanup and Recovery from Aqueous Solutions

Synder’s Industrial, A6 and V6, provide economical solutions for, surfactant, recovery due to their, large pore sizes, and low, surface fouling, tendencies, allowing the, surfactant, to pass through while separating the impurities found in the wastewater. Benefits of membrane processes: Higher rejection of contaminants from wastewater

Recovery of Organic Acid from Wastewater - Synder Filtration
Recovery of Organic Acid from Wastewater - Synder Filtration

Recovery of Organic Acid from Wastewater The recovery of organic acids from wastewater involves the use of, membrane filtration, technology to concentrate and recover volatile fatty acids. Once microfiltration and ultrafiltration membranes are employed to clarify and fractionate the suspended solids, nanofiltration can be used to desalt and concentrate the organic acids.

Water Quality for Crop Production | UMass Center for ...
Water Quality for Crop Production | UMass Center for ...

Water, Quality for Crop Production Irrigation ,water, quality is a critical aspect of greenhouse crop production. There are many factors which determine ,water, quality. Among the most important are alkalinity, pH and soluble salts. But there are several other factors to consider, such as whether hard ,water, salts such as ,calcium, and magnesium or heavy metals that can clog

PREPARATION OF DATE SEED ACTIVATION FOR SURFACTANT RECOVERY
PREPARATION OF DATE SEED ACTIVATION FOR SURFACTANT RECOVERY

Currently, there are a few techniques to remove ,surfactant, from ,wastewater,, which include biosorption [5], biodegradation [3], oxidation [6], adsorption [7], ultra-filtration, and …

The role of surfactants in wastewater treatment: Impact ...
The role of surfactants in wastewater treatment: Impact ...

15/12/2018, · A particularly common treatment method, especially for surfactants in domestic wastewater, is for the surfactant to be treated in, sewage wastewater, treatment. The effluent from this process is usually returned to rivers or other water sources whilst the sludge is used as a soil fertiliser.

(PDF) Standard Methods For the Examination of Water and ...
(PDF) Standard Methods For the Examination of Water and ...

Standard Methods For the Examination of Water and Wastewater,, 23nd edition, 2017. Toan Tran. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 32 Full PDFs related to this paper. READ PAPER. ,Standard Methods For the Examination of Water and Wastewater,…

Typical Wastes Generated by Industry Sectors | Hazardous ...
Typical Wastes Generated by Industry Sectors | Hazardous ...

26/11/2019, · Batteries (lead ,acid,, nickel cadmium, nickel, iron, ,carbonate,), scrap metal, and used tires: D002 (battery ,acid,), D006 (cadmium), and D008 (lead) Sell scrap metal to a recycling facility. Collect batteries for reclamation. Have scrap tires retreaded or send for recycling. Recycle batteries on site, through the supplier, or at a local recycling ...

Surfactant Cleanup and Recovery from Aqueous Solutions
Surfactant Cleanup and Recovery from Aqueous Solutions

Synder’s Industrial A6 and V6 provide economical solutions for surfactant recovery due to their large pore sizes and low surface fouling tendencies, allowing the surfactant to pass through while separating the impurities found in the wastewater. Benefits of membrane processes: Higher rejection of contaminants from wastewater

Electrocoagulative and Biological Treatment of Laundry ...
Electrocoagulative and Biological Treatment of Laundry ...

The Ho pseudo second‐order expression was used to evaluate the adsorption capacity for ,surfactant, removal in laundry ,wastewater, from the first wash, first rinse cycle and second rinse cycle as shown in Eq. (11) below. A second‐order reaction was observed from the plot of t/q t vs. t …

PREPARATION OF DATE SEED ACTIVATION FOR SURFACTANT …
PREPARATION OF DATE SEED ACTIVATION FOR SURFACTANT …

Nurul’ Ain et al: PREPARATION OF DATE SEED ACTIVATION FOR ,SURFACTANT, RECOVERY 1046 made aware of is water pollution which happens because of human activities such as raw sewage discharge [1]. Raw sewage is ,wastewater, that comes from residential areas, industries, and agricultural processes. It contains a wide

Removal of dye from wastewater using micellar-enhanced ...
Removal of dye from wastewater using micellar-enhanced ...

In the first step, surfactant is precipitated by potassium iodide and in the second step, the, surfactant, is recovered from, the precipitate, by addition of, cupric chloride., In the first step, 1:1...

Removal of surfactant from industrial wastewaters by ...
Removal of surfactant from industrial wastewaters by ...

Coagulated ,wastewater, samples are tested for residual COD and surfactants. The removal rate is shown to increase with the FeCl 3 dosage (Figs. 2 and 3). DISCUSSION AND CONCLUSION Figs. 2 and 3 indicate that a minimum dosage of FeCl 3 of 900 mg/Lis required on the reduction of COD and surfactants load from the ,wastewater, by coagulation

Removal of dye from wastewater using micellar-enhanced ...
Removal of dye from wastewater using micellar-enhanced ...

1/6/2004, · In the first step, surfactant is precipitated by potassium iodide and in the second step, the surfactant is recovered from, the precipitate, by, addition of cupric chloride., In the first step, 1:1 molar ratio of potassium iodide to CPC results in about 90% precipitation of the surfactant.

Sulfate Removal Technologies A Review - Water Online
Sulfate Removal Technologies A Review - Water Online

Adding calcium, as pebble lime, hydrated lime, or limestone can precipitate ,calcium, sulfate (gypsum) and reduce sulfate concentrations to the solubility limit of 1,500-2,000 mg/L. Concentrations already below this level will generally be unaffected by lime addition.

Lime Use in Wastewater Treatment: Design and Cost Data
Lime Use in Wastewater Treatment: Design and Cost Data

----- ,Calcium Carbonate, Precipitation At moderate to high lime doses, the bulk of the ,calcium, added to the process is precipitated as ,calcium carbonate, according to the reaction: Ca(OH)2 + Ca(HC03)2 - >2CaCO3 + 2^0 (6-1) Water chemistry equilibria would suggest much lower levels of soluble ,calcium, than do actually occur in chemical primary effluents where lime addition is practiced.

Recovery of zinc from electroplating wastewater using ...
Recovery of zinc from electroplating wastewater using ...

Emulsion liquid membrane (ELM), is identified as a suitable recovery method for metals found in wastewater and other organic and inorganic components (Kislik 2010; Jusoh & Othman 2017). ELM, proposed as an advanced membrane process, operates through creation of a three phase system and enhanced mass transfer areas achieved by the water–oil emulsion globules.

Removal of surfactant from industrial wastewaters by ...
Removal of surfactant from industrial wastewaters by ...

Coagulated ,wastewater, samples are tested for residual COD and surfactants. The removal rate is shown to increase with the FeCl 3 dosage (Figs. 2 and 3). DISCUSSION AND CONCLUSION Figs. 2 and 3 indicate that a minimum dosage of FeCl 3 of 900 mg/Lis required on the reduction of COD and surfactants load from the ,wastewater, by coagulation

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