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Microbial treatment of acid mine 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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Microbial treatment of acid mine wastewater
Biochemical oxygen demand - Wikipedia
Biochemical oxygen demand - Wikipedia

Biochemical oxygen demand, (BOD) is the amount of dissolved oxygen (DO) needed (i.e. demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period. The BOD value is most commonly expressed in milligrams of oxygen consumed per litre of sample during 5 days of incubation at 20 °C and is often used as a ...

Determination of chemical oxygen demand (COD) using ...
Determination of chemical oxygen demand (COD) using ...

A new method for determining wastewater chemical oxygen demand (COD) using ultrasonic digestion and titration based on oxidation reduction potential (ORP) was developed. COD values of potassium hydrogen phthalate solution obtained by ultrasonic digestion were well …

Understanding Laboratory Wastewater Tests: I. ORGANICS ...
Understanding Laboratory Wastewater Tests: I. ORGANICS ...

14/10/2010, · The ,COD, test uses a chemical (potassium dichromate in a 50% sulfuric ,acid, solution) that “oxidizes” both organic (predominate) and inorganic substances in a ,wastewater, sample, which results in a higher ,COD, concentration than BOD concentration for the same ,wastewater, sample since only organic compounds are consumed during BOD testing.

DETERMINATION OF COD IN SPENT ACID WASTEWATER BY …
DETERMINATION OF COD IN SPENT ACID WASTEWATER BY …

the ,determination of COD, in the spent ,acid wastewater, by sealing method was researched in this paper。The experimental results showed that the nethod is economical,simple and accurate so that it can eliminate the inteference of CL-efficiently.Therefore,it can be used to determin the value ,of COD, of spent ,acid wastewater,。

Enhancement of Removal of VOCs and Odors from Wood by ...
Enhancement of Removal of VOCs and Odors from Wood by ...

Since traditional methods for removing volatile organic compounds (VOCs) from wood consume large amounts of energy and generate environmental pollution, it is desired to develop a convenient and green treatment method. Oxidation by microwave-activated persulfate (MW-PS) is a promising alternative method that has been used to eliminate VOCs from wood. The penetration of microwave energy can ...

A review of the recent advances on the treatment of ...
A review of the recent advances on the treatment of ...

15/2/2021, · To simulate winery ,wastewater,, ethanol, gallic ,acid,, vanillin and acetic ,acid, have been used, even mixture of water and wine can be a suitable way . Milk powder for dairy ,wastewater, [61] , olive oil, surfactant and phenol for olive oil mill ,wastewater, [62] and even adding more than 14 compounds for landfill leachate have been utilized in literature [63] .

DPD Total Chlorine Reagent Powder Pillows 10 mL pk/100 ...
DPD Total Chlorine Reagent Powder Pillows 10 mL pk/100 ...

For total chlorine ,determination, by the DPD Method. USEPA accepted for reporting for drinking and ,wastewater, analysis using Hach Method 8167. Range: 0.02 - 2.00 mg/L Cl₂. Sample Size: 10 mL. Pack of 100 powder pillows. Boric ,Acid, free!

(PDF) Wastewater Engineering Treatment 5th Edition ...
(PDF) Wastewater Engineering Treatment 5th Edition ...

Wastewater Engineering Treatment 5th Edition Solutions Manual,, 2009. Roshan Varde. Download PDF

Converting Chemical Oxygen Demand (COD) of Cellulosic ...
Converting Chemical Oxygen Demand (COD) of Cellulosic ...

27/1/2017, · The COD concentration of wastewater was assayed according to the China Standard for water quality [ 29 ]. Wastewater was diluted to the COD at the, range of 0.05 to 0.7 g/L., Twenty milliliters of the, dilute wastewater, and 30 mL of sulfate silver solution (10 g/L) with zeolite particles were mixed in a 250-mL flask and boiled for 2 h.

PhosVer® 3 Phosphate Reagent Powder Pillows 10 mL pk/100 ...
PhosVer® 3 Phosphate Reagent Powder Pillows 10 mL pk/100 ...

For ,determination, of reactive (ortho) phosphate (phosphorus) by the PhosVer® 3 ascorbic ,acid, method. USEPA accepted for reporting for ,wastewater, analysis using Hach Method 8048, Phosphorus, Reactive. Also used ,in acid,-hydrolyzable and total phosphorus ,determination,, after appropriate digestion. Sample Size: 10 mL. Pack of 100 powder pillows.

Water Treatment Coagulation | Water Treatment | Waste ...
Water Treatment Coagulation | Water Treatment | Waste ...

Water Treatment, Coagulants Coagulant ,water treatment, chemicals come in two main types – primary ,water treatment, coagulants and coagulant aids. Primary coagulants neutralize the electrical charges of particles in the water which causes the particles to clump together. Chemically, coagulant ,water treatment, chemicals are either metallic salts (such as alum) or polymers.

Determination of Biological Oxygen Demand (BOD) in Waste ...
Determination of Biological Oxygen Demand (BOD) in Waste ...

Note: Hydrochloric ,acid, or other ,acid, containing chlorine should not be used to neutralize the sample because chlorine interferes the results of ,wastewater BOD,. 2.0 Removal of Chlorine Content: Chlorine is a strong oxidizing agent and it can inhibit the microbial growth during ,wastewater BOD, analysis, so it should be removed from sample before start the analysis.

Missouri Department of Natural Resources
Missouri Department of Natural Resources

The effects of metals in water and ,wastewater, range from beneficial through troublesome to dangerously toxic. Some metals are essential, others may adversely affect water consumers, ,wastewater, treatment systems, and receiving waters. Some metals may be either beneficial or toxic, depending on concentration (19th Edition, Standard Methods, 1995). .

A method for determination of COD in a domestic wastewater ...
A method for determination of COD in a domestic wastewater ...

A method for ,determination of COD, in a domestic ,wastewater, treatment plant by using near-infrared reflectance spectrometry of seston

Enhancement of Removal of VOCs and Odors from Wood by ...
Enhancement of Removal of VOCs and Odors from Wood by ...

Since traditional methods for removing volatile organic compounds (VOCs) from wood consume large amounts of energy and generate environmental pollution, it is desired to develop a convenient and green treatment method. Oxidation by microwave-activated persulfate (MW-PS) is a promising alternative method that has been used to eliminate VOCs from wood. The penetration of microwave energy can ...

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