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Treatment of acid wastewater containing sulfuric acid with ammonia

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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Treatment of acid wastewater containing sulfuric acid with ammonia
(PDF) Total Acid Number (TAN) ASTM D664 | dat le ...
(PDF) Total Acid Number (TAN) ASTM D664 | dat le ...

Total ,Acid, Number (TAN), ASTM D664, Ranges and settings Default parametersThe working procedure is described using the following parameters:• m sample = 2.000 g • Syringe volume = 5 mLThe default syringe volume for the AT1000 is set to 10 mL.

Titrimetric Analysis: Methods
Titrimetric Analysis: Methods

applications will be taken from the field of water and ,wastewater, analysis. Much of the material in this handout was taken ... • ,KOH, in ethanol, methanol, or isopropanol • sodium methylate ... most of the solvents commonly used Instrumental Endpoint ,Detection, in ,Acid,-Base Titrations Potentiometric endpoint ,detection, using a pH meter is the ...

Increasing the economic value of lignocellulosic stillage ...
Increasing the economic value of lignocellulosic stillage ...

19/7/2018, · The ,KOH, usage was calculated based on experimental reactor data. The 2-octanol demand (2-octanol lost to the aqueous phase) was based on modeling the liquid–liquid extraction with ASPEN. Prices for hexanoic ,acid,, octanoic ,acid, and 2-octanol were obtained from Zauba for imported quantities greater than 1000 kg in 2016 (Additional file 3) .

Method 8506 COPPER (0 to 5.00 mg/L) For water wastewater ...
Method 8506 COPPER (0 to 5.00 mg/L) For water wastewater ...

Collect samples in ,acid,-cleaned glass or plastic containers. Adjust the pH to 2 or less with nitric ,acid, (about 2 mL per liter). Store preserved samples up to six months at room temperature. Before analysis, adjust the pH to 4 to 6 with 8 N potassium hydroxide. Do not exceed pH 6, as copper may precipitate.

Gaseous Emissions from Wastewater Facilities
Gaseous Emissions from Wastewater Facilities

stabilized biosolids. Trimethylamine (TMA), acetic ,acid,, ethyl methyl benzene, and limonene were identified at concentrations above their ,detection, thresholds but only TMA exceeded its odor ,detection, threshold by 4 orders of magnitude. In another paper, Fisher, Le-Minh et al. (2017) reported that p-cresol and butanoic ,acid, were sensorially

Biofuel: Sources Extraction and Determination | IntechOpen
Biofuel: Sources Extraction and Determination | IntechOpen

10/4/2012, · ,Acid, values of MEs were less than 0.5 mg ,KOH,/g specified as the maximum value according to JUS EN14214 (Table 4), Sharma et al. (2008) reviewed the literature and found that ,acid, value of the feedstock for alkaline transesterification has to be reduced to less than 2 mg ,KOH,/g (i.e. 1%), while only few examples of transesterification with feedstock ,acid, value of up to 4.0 mg ,KOH,/g (i.e. 2% ...

Methods for Chemical Analysis of Water and Wastes
Methods for Chemical Analysis of Water and Wastes

----- water, 1 1 hydrochloric ,acid,, tap water and finally deionized distilled water in that order NOTE 1: Chromic ,acid, may be useful to remove organic deposits from glassware, however, the analyst should be cautioned that the glassware must be thoroughly rinsed with water to remove the last traces of chromium This is especially important if chromium is to be included in the analytical scheme A commercial …

EPA Method 335.4: Determination of Total Cyanide by Semi ...
EPA Method 335.4: Determination of Total Cyanide by Semi ...

KOH, (CASRN-1310-58-3) in 900 mL of reagent water. Standardize with 0.0192 N AgNO (Section 7.9). Dilute to appropriate concentration so that 1 mL = 1. 3 . mg CN. 7.11 Standard Cyanide Solution, intermediate: Dilute 10.0 mL of stock (1 mL = 1 mg CN) (Section 7.10) to 100.0 with reagent water (1 …

Method 8506 COPPER (0 to 5.00 mg/L) For water wastewater ...
Method 8506 COPPER (0 to 5.00 mg/L) For water wastewater ...

Collect samples in ,acid,-cleaned glass or plastic containers. Adjust the pH to 2 or less with nitric ,acid, (about 2 mL per liter). Store preserved samples up to six months at room temperature. Before analysis, adjust the pH to 4 to 6 with 8 N potassium hydroxide. Do not exceed pH 6, as copper may precipitate.

Analytical Methods for the Determination of the ...
Analytical Methods for the Determination of the ...

Several methods of extraction and analytical determination for ,total petroleum hydrocarbons, (TPHCs) in aqueous and solid samples are reviewed. Infrared spectroscopy is one of the efficient methods that are being replaced today pursuant to getting rid of some halogenated solvents classified as ozone-depleting substances. The gravimetric method which uses n-hexane as an extraction solvent for ...

Synergetic treatment of dye contaminated wastewater using ...
Synergetic treatment of dye contaminated wastewater using ...

The highly efficient treatment of azo dye contaminated ,wastewater, from the textile industry is an important but challenging problem. Herein, polydimethylsiloxane (PDMS) microparticles, incorporating multiple-walled carbon nanotubes/titanium dioxide (MWCNTs/TiO 2) nanocomposites, were successfully synthesized to treat ,wastewater, containing Rhodamine B (RhB) dyes in a synergetic approach, by ...

Titrimetric Analysis: Methods
Titrimetric Analysis: Methods

applications will be taken from the field of water and ,wastewater, analysis. Much of the material in this handout was taken ... • ,KOH, in ethanol, methanol, or isopropanol • sodium methylate ... most of the solvents commonly used Instrumental Endpoint ,Detection, in ,Acid,-Base Titrations Potentiometric endpoint ,detection, using a pH meter is the ...

Automatic Determination of the ... - Envirotech Online
Automatic Determination of the ... - Envirotech Online

Metrohm presents a fully automated titrimetric method for the ,determination of the hydroxyl number according to ASTM, E 1899-08 and DIN 53240-2. The hydroxyl number is defined as the mg of ,KOH, equivalent to the hydroxyl content of 1 g of sample. The system used to carry out the test consists of: 814 USB Sample Processor, 905 Titrando, 800 Dosino, Solvotrode and the tiamo™ software.

Evaluation of trans-ferulic acid degradation by dielectric ...
Evaluation of trans-ferulic acid degradation by dielectric ...

13/12/2018, · Trans-ferulic ,acid, (FA) is a main constituent of olive mill ,wastewater,. About 30 million cubic meters of olive mill ,wastewater, is produced annually in the world [1, 2].Moreover, FA is a common ingredient in drugs for healing Alzheimer's disease, cancer, cardiovascular diseases, diabetes mellitus and skin diseases [].Due to a mass of production, FA has already been detected in lakes, rivers and ...

(PDF) Total Acid Number (TAN) ASTM D664 | dat le ...
(PDF) Total Acid Number (TAN) ASTM D664 | dat le ...

Total ,Acid, Number (TAN), ASTM D664, Ranges and settings Default parametersThe working procedure is described using the following parameters:• m sample = 2.000 g • Syringe volume = 5 mLThe default syringe volume for the AT1000 is set to 10 mL.

Acids Oxidizers and Bases - The Leader in Gas Detection ...
Acids Oxidizers and Bases - The Leader in Gas Detection ...

The most common use of hydrochloric ,acid, is the production of vinyl chloride which is a precursor for PVC plastic and it is also used extensively in pickling of steel, the production of organic and inorganic compounds, the regeneration of ion exchangers, leather processing, oil production, and ,wastewater, …

(PDF) Comparison of fatty acid analysis methods for ...
(PDF) Comparison of fatty acid analysis methods for ...

Comparison of fatty ,acid, analysis methods for ,assessing biorefinery applicability of wastewater cultivated microalgae

Increasing the economic value of lignocellulosic stillage ...
Increasing the economic value of lignocellulosic stillage ...

19/7/2018, · The ,KOH, usage was calculated based on experimental reactor data. The 2-octanol demand (2-octanol lost to the aqueous phase) was based on modeling the liquid–liquid extraction with ASPEN. Prices for hexanoic ,acid,, octanoic ,acid, and 2-octanol were obtained from Zauba for imported quantities greater than 1000 kg in 2016 (Additional file 3) .

Analytical Methods for the Determination of the ...
Analytical Methods for the Determination of the ...

Several methods of extraction and analytical determination for ,total petroleum hydrocarbons, (TPHCs) in aqueous and solid samples are reviewed. Infrared spectroscopy is one of the efficient methods that are being replaced today pursuant to getting rid of some halogenated solvents classified as ozone-depleting substances. The gravimetric method which uses n-hexane as an extraction solvent for ...

Hydrogen Peroxide Detection by Ion Chromatography and ...
Hydrogen Peroxide Detection by Ion Chromatography and ...

Hydrogen Peroxide ,Detection, by Ion Chromatography and Electrochemical ,Detection, Sheetal Bhardwaj, Rong Lin, Kannan Srinivasan,and Christopher Pohl Thermo Fisher Scientific ... When hydrogen peroxide is used as a disinfectant in water purification and ,wastewater, treatment, it decomposes in the presence of heat or light. Therefore, there is a ...

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