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Vacuum concentration and crystallization of acid 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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Vacuum concentration and crystallization of acid wastewater
Ethylenediaminetetraacetic acid - Wikipedia
Ethylenediaminetetraacetic acid - Wikipedia

Ethylenediaminetetraacetic acid, (EDTA) is an aminopolycarboxylic acid with the formula [CH 2 N(CH 2 CO 2 H) 2] 2.This white, water-soluble solid is widely used to bind to iron and ,calcium, ions. It binds these ions as a hexadentate ("six-toothed") chelating agent.EDTA is produced as several salts, notably disodium EDTA, sodium ,calcium, edetate, and tetrasodium EDTA.

Performance of wild-Serbian Ganoderma lucidum mycelium in ...
Performance of wild-Serbian Ganoderma lucidum mycelium in ...

The COD/N ratio of C17.8N1 ,wastewater, had the best COD and NH3–N ,removal,, as compared to the lower COD/N ratio, and the shortest treatment time was obtained in an ,acidic, environment at pH 4.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

Removal of ,Copper Ions From Acid Mine Drainage Wastewater Using, Ion Exchange Technique: Factorial Design Analysis. R. W. Gaikwad 1, R. S. Sapkal 2, V. S. Sapkal 2. Abstract.

Copper removal from industrial wastewater: A comprehensive ...
Copper removal from industrial wastewater: A comprehensive ...

25/12/2017, · Electrodialysis is considered to be as an electrochemical process to separate ,copper ions, from industrial ,wastewater,, where ,copper ions, exchange through the membranes under the electric field . Further, the electric field starts when the reactions at the surface of the electrode produce hydroxyl ,ions, at the cathode and protons at the anode.

S S1
S S1

Removal, of color was effective in ,acidic, pH values (3.0-6.0), with highest color reduction of 99.8% at pH 5.0. Therefore, alkaline conditions were suitable for ,removal, of phenols, whereas ,acidic, conditions were effective for ,removal, of color from paper mill ,wastewater,. …

Treatment of Wastewater Containing a Mixture of Heavy ...
Treatment of Wastewater Containing a Mixture of Heavy ...

exchanger has a high sorption rate of ,copper ions, and is effective for purification of industrial ef-fluents to the level of permissible concentrations of the discharges. Therefore, strong-,acid, KU-2–8 cation ex-changer in the H +-form with highly selective char - acteristics for heavy metal cations and resistant to

(PDF) Removal of Copper Ions in Wastewater by Adsorption ...
(PDF) Removal of Copper Ions in Wastewater by Adsorption ...

Copper ions, may be present in water via several sources, such as mining operations, machinery, electric power, chemical industry, electroplating pro cesses, petroleum refining, or pesticide ...

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

cally feasible as a ,wastewater, treatment operation. Sev-eral adsorbents can be used to remove metal ,ions,, in-cluding activated carbons, alumina, silica, bentonite and peat. Yi et.al. [8-10] has also studied the removal of in-organic metal ,ions, namely cadmium, cobalt, zinc, silver, ,copper,, mercury, chromium and lead from aqueous solu-

Physico-chemical technologies for nitrogen removal from ...
Physico-chemical technologies for nitrogen removal from ...

Nitrogen ,removal from wastewater, can be achieved by biological or physico-chemical processes. Biological processes are widely applied to the treatment of both municipal and industrial wastewaters. They are based on the action of heterotrophic bacteria that, ,under, anoxic conditions, carry out the biochemical reduction of nitrate to nitrogen gas.

Studies on the removal of copper ions from industrial ...
Studies on the removal of copper ions from industrial ...

Biosorbents are highly effective in the removal of heavy metal ions from wastewater at an affordable cost without any harmful effects on the environment and living organisms. The current study focused on the removal of copper ions present in the effluent using A. Indica powder, a natural biosorbent.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

cally feasible as a ,wastewater, treatment operation. Sev-eral adsorbents can be used to remove metal ,ions,, in-cluding activated carbons, alumina, silica, bentonite and peat. Yi et.al. [8-10] has also studied the removal of in-organic metal ,ions, namely cadmium, cobalt, zinc, silver, ,copper,, mercury, chromium and lead from aqueous solu-

Removing Dissolved Copper from wastewater effluent
Removing Dissolved Copper from wastewater effluent

The copper laden wastewater passes through the resin bed and copper ions are exchanged for hydrogen ions until the unit is exhausted. Once the resin bed is exhausted, sulfuric acid is used to regenerate. The spent solution of copper ion and sulfuric acid is sent to another system for disposal.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

Removal of ,Copper Ions, from ,Acid, Mine Drainage ,Wastewater, Using Ion Exchange ,Technique:, Factorial Design Analysis, January 2010 Journal of Water Resource and Protection 1(2):984-990

Tolooebehdasht
Tolooebehdasht

Results: According to the results, polyferric sulfate reached the highest COD and TSS ,removal, efficiency were at pH= 11, with 2 g/L of poly ferric sulfate, the COD ,removal, efficiency was 49% while the dosage of 2.5 g/l of this coagulant levelled at 51% of TSS ,removal, efficiency.The co-coagulant K350CF, while used along with polyferric sulfate, reached the highest level in COD and TSS ,removal, ...

A novel resource utilization method using wet magnesia ...
A novel resource utilization method using wet magnesia ...

The ,wastewater, discharged from the sodium roasting vanadium extraction technology is complex, hard to degrade biochemically, has a high pollutant gas concentration, and is a highly hazardous ,acidic wastewater, containing high concentrations of vanadium (V), hexavalent chromium [Cr(vi)] and ammonium nitrogen (NH 4 –N). 17–20 The pollution emission concentration ranges of Cr(vi), total ...

There are copper(III)ions in wastewater that needs to ...
There are copper(III)ions in wastewater that needs to ...

There are, copper(III)ions in waste,water that needs to precipitate to copper(II)hydroxide at ph 9.2. Wastewater pH is 3.5. PH is adjusted with 50-w% NaOH. NaOH solution density is 1.43 kg/l. How much you need NaOH when wastewater flow is 3800 m3/d?

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