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Desulfurization wastewater steam is acidic

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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Desulfurization wastewater steam is acidic
Technology for treatment of lipid-rich wastewater and ...
Technology for treatment of lipid-rich wastewater and ...

1/3/2012, · The mixture of pork fat, beef suet and sunflower oil (1:1:1) was chosen as a model substrate because of the analogous fatty ,acid, composition to the fatty contaminants in ,wastewater,. The same mineral medium, prepared from water wherein salts (N[H.sub.4]N[O.sub.3], K[H.sub.2]P[O.sub.4]) containing N, P, K elements were dissolved, was used in all experiments.

Wastewater Treatment from Galvanization Industry with Zinc ...
Wastewater Treatment from Galvanization Industry with Zinc ...

polyelectrolytes are added to the ,wastewater,. Zinc can be recovered in insoluble forms as hydroxides by using several alkaline reagents, like CaO or Ca(OH)2, Mg(OH)2, NaOH, and NH4OH [17,18]. Coagulation and flocculation followed by sedimentation and ,filtration, also employed to remove heavy metal from wastewaters. Coagulation is the

Production of fumaric acid by Rhizopus oryzae in ...
Production of fumaric acid by Rhizopus oryzae in ...

Fumaric ,acid, is also used to produce polymers and resins due to a carbon-carbon double bond and two carboxylic ,acid, groups in its structure (Roa Engel et al. 2008; Xu et al. 2012). In the 1940s, Pfizer developed an industrial fermentative process by Rhizopus arrhizus for production of fumaric ,acid, with an annual production of 4000 tons (Goldberg et al. 2006).

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · Therefore, ,wastewater, may need to be measured for a variety of metals at different concentrations, in different ,wastewater, matrices. A variety of inorganic techniques can be used to measure trace elements in ,waste water, including atomic absorption spectrometry (AAS), inductively coupled plasma optical emission spectrometry (ICP-OES) and ICP mass spectrometry (ICP-MS).

Enhancing As(V) adsorption and passivation using ...
Enhancing As(V) adsorption and passivation using ...

2.3 As(V) adsorption comparison of pristine limestone and biologically formed FeS coated limestone.. 2.3.1 Batch adsorption

Preparing a novel superabsorbent based on carboxymethyl ...
Preparing a novel superabsorbent based on carboxymethyl ...

A mathematical model was developed, which fit the ,experimental, results well for all of the response variables. The optimal conditions included 28.8 % of CMC dosage, a 1.6 mass ratio of acrylic ,acid, to acrylamide, and 73.4 % of ,neutralization, degree of acrylic ,acid, to achieve 815.2 g/g of water absorbency.

Waste and Waste Water Treatment (With Diagram)
Waste and Waste Water Treatment (With Diagram)

The immense difficulty felt with tannery effluent is its ever changing composition and flow rate. Therefore, to have a proper control on effluent treatment, the different types of operational discharge are stored in a storage tank for a period of about 12 hours to equalize and to facilitate ,neutralization of acid, …

Study of the Electrocoagulation Process Using Aluminum and ...
Study of the Electrocoagulation Process Using Aluminum and ...

In this work, ,the electrocoagulation process using aluminum and, iron electrodes has been used to treat synthetic wastewaters polluted with three different types of pollutant models: kaolin suspensions, dye solutions, and oil-in-water emulsions. It was obtained that both electrodes can achieve high efficiencies (above 80%) in the treatment of the three wastes. However, there are strong ...

Waste management in the Wine Industry - SlideShare
Waste management in the Wine Industry - SlideShare

10 Rinse water (tanks, floors, transfer lines, bottles, barrels, etc) Up to 43% Increase in Na, P, Cl, COD Increase in EC, SAR, COD Variation in pH Process Water ,Filtration, with filter aid Up to 15% Various Contaminants Increase COD and EC Acidification and stabilization of wine Up to 3% H2SO4 or NaCl Increase COD and EC Decrease in pH Cooling tower waste Up to 6% Various Salts Increase COD ...

Wastewater Characteristics – Physical and Chemical ...
Wastewater Characteristics – Physical and Chemical ...

Wastewater, Characteristics Physical Chemical - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. ,wastewater, characteristics

Session 49 - Water and wastewater reuse | CEST2019
Session 49 - Water and wastewater reuse | CEST2019

Acidic mine waters (AMWs) contains moderate concentrations of sulphuric ,acid,, relatively high concentrations of metals (Al, Fe, Cu and Zn) and minor amounts or rare earth elements (REE). The established management routes for AMW treatment include a ,neutralization,-precipitation step, which implies a high cost due to the reagents consumption.

Desalination of Produced Water by Membrane Distillation ...
Desalination of Produced Water by Membrane Distillation ...

18/10/2019, · Results of MD ,filtration, tests at high water recovery with feed water containing different concentrations of NaCl, namely, 15, 70, 100, or 150 g/L. (a) ,Experimental, (open …

Selective Removal of Heavy Metal Ions from Waters and ...
Selective Removal of Heavy Metal Ions from Waters and ...

20/11/2011, · Methylglycinediacetic ,acid, (MGDA) was patented by BASF and marketed under the brand name Trilon M. The active ingredient contained in Trilon M is the trisodium salt of methylglycinediacetic ,acid,. The ,acid, dissociation constants pK a of MGDA are as follows: pK 1 =1.6, pK 2 =2.5 pK 3 =10.5 (Jachuła et al. 2011; Jachuła et al. 2012).

Clean Chemical Synthesis in Water
Clean Chemical Synthesis in Water

The decarboxylation of indole-2-carboxylic ,acid, occurred almost quantitatively in water at 255 °C within 20 minutes. The formation of inorganic salts accounts for the major waste generation in the production of various pharmaceuticals and fine chemicals in view of the frequent ,neutralization, …

Production of fumaric acid by Rhizopus oryzae in ...
Production of fumaric acid by Rhizopus oryzae in ...

Fumaric ,acid, is also used to produce polymers and resins due to a carbon-carbon double bond and two carboxylic ,acid, groups in its structure (Roa Engel et al. 2008; Xu et al. 2012). In the 1940s, Pfizer developed an industrial fermentative process by Rhizopus arrhizus for production of fumaric ,acid, with an annual production of 4000 tons (Goldberg et al. 2006).

Preliminary Conceptual Post-Closure Water Management Plan ...
Preliminary Conceptual Post-Closure Water Management Plan ...

Preliminary Conceptual Post-Closure 12/19/02 Water Management Plan Page 3 of 45 2.0 GLOSSARY OF TERMS AMW - ,Acid, Mine Water - Water that contains elevated levels of dissolved solids due to contact with artificially exposed ore bodies or waste rock dumps.

Methods for treatment of wastewater with powdered natural ...
Methods for treatment of wastewater with powdered natural ...

A process for treating ,wastewater, through the use of powdered natural ligno-cellulosic materials (PNLM) for (a) physically removing colloidal and suspended volatile solids through adsorption and enhanced floc-formation and settling during pretreatment; (b) adsorbing toxic substances and elements that interfere with biological processes, thus serving to reduce their contact with and exposure to ...

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