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Significance of reuse of fracturing fluid flowback fluid

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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Significance of reuse of fracturing fluid flowback fluid
Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · ,Ion, exchange (IX) is a reversible reaction in which a charged ,ion, in a solution is exchanged with a similarly charged ,ion, which is electrostatically attached to an immobile solid particle. The most common implementation of ,ion, exchange method in ,wastewater, treatment is for softening, where polyvalent cations (e.g., calcium and magnesium) are exchanged with sodium [ 36 ].

GAS PROCESSING: WASTEWATER TREATMENT AND DISPOSAL:
GAS PROCESSING: WASTEWATER TREATMENT AND DISPOSAL:

Removal, of suspended solids and additional treatment to ensure compatibility among the various ,wastewater, sources and the receiving aquifer must frequently be implemented in order to eliminate plugging of the underground reservoir. Treatment of ,wastewater, prior to disposal to surface streams is almost always required.

An evaluation of desulfurization technologies for sulfur ...
An evaluation of desulfurization technologies for sulfur ...

The current industrial method for ,removal of sulfur, from fuels is hydrodesulfurization (HDS), which is a high temperature, high pressure catalytic process. This makes HDS a very costly option for deep ,desulfurization,. Moreover, HDS is not effective for removing heterocyclic ,sulfur, compounds such as dibenzothiophene (DBT) and its derivatives, especially 4,6-dimethyldibenzothiophene (4,6-DMDBT).

Strong Acid Cation exchange Resin - QingYun Water -ion ...
Strong Acid Cation exchange Resin - QingYun Water -ion ...

Strong Acid Cation Exchange Resin,. It is a type of ,ion, exchange resin with functional group of sulfonic acid. These Resins have two types, the gel and the macroporous type. Most SAC is styrene-DVB matrix, which is show a stable performance and a good mechanical strength, which …

Flue Gas Desulfurization Reducing Acid Rain | Howden
Flue Gas Desulfurization Reducing Acid Rain | Howden

As ,sulfur, dioxide is an ,acidic, gas it will need to be neutralised before disposal. To do this an alkaline-based sorbent is used to bring the pH level of the ,sulfur, dioxide gas closer to neutral. Scrubber systems are one of the most efficient ways of reducing ,sulfur, dioxide emissions caused by industrial combustion, and a classic example of an acid-base chemical reaction performed on an industrial scale.

US4705639A - Ferrous and sulfide treatment of ...
US4705639A - Ferrous and sulfide treatment of ...

This method produces approximately one-fourth the sludge generated by the previously known ,acidic, reaction treatment using only ferrous sulfide. The present invention involves a treatment technique for drastically reducing the volume of hazardous sludge generated by the chemical reduction of chromium contaminants and the precipitation of heavy metal contaminants from contaminated electroplating ,wastewater,.

Synergy between Zeolite Framework and Encapsulated Sulfur ...
Synergy between Zeolite Framework and Encapsulated Sulfur ...

It appears that the elemental ,sulfur, does not provide additional adsorption sites for Cs + ions but increases the ,ion,-exchange selectivity toward Cs + by providing additional interaction. Various analyses show that ,sulfur, partially donates its electron to the ,ion,-exchanged Cs + cations in zeolites, indicating significant Lewis acid–base interaction.

Optimization of the electrocoagulation process for sulfate ...
Optimization of the electrocoagulation process for sulfate ...

Sulfate concentrations affected on the natural ,sulfur, cycle in the anaerobic treatment, therefore pretreatment of ,wastewater, containing sulfate must be considered. In this work electrocoagulation techniques have considered as an effective and environmentally friendly process for desulfurization from ,wastewater,. Three factors including initial pH,

Sulfur dioxide - Wikipedia
Sulfur dioxide - Wikipedia

In municipal ,wastewater, treatment, ,sulfur dioxide, is used to treat chlorinated ,wastewater, prior to release. ,Sulfur dioxide, reduces free and combined chlorine to chloride. ,Sulfur dioxide, is fairly soluble in water, and by both IR and Raman spectroscopy; the hypothetical sulfurous acid, H 2 SO 3, is not present to any

Sulfur dioxide - Wikipedia
Sulfur dioxide - Wikipedia

In municipal wastewater treatment, sulfur dioxide is used to treat chlorinated wastewater prior to release. Sulfur dioxide reduces free and combined chlorine to chloride. Sulfur dioxide is fairly soluble in water, and by both IR and Raman spectroscopy; the hypothetical sulfurous acid, H 2 SO 3, is not present to any

Aluminum | Water Solutions - Home | DuPont
Aluminum | Water Solutions - Home | DuPont

Water/Wastewater Aluminum can be successfully removed from slightly acidic water-based streams with a strong acid cation exchanger like AmberSep™ G26 H Resin. If the aqueous stream has a pH from 3 to 6, a weak acid cation resin such as AmberLite™ IRC83 H Resin should be considered due to the higher ion exchange capacity and economical regeneration.

REMOVAL OF HEXAVALENT CHROMIUM FROM …
REMOVAL OF HEXAVALENT CHROMIUM FROM …

REMOVAL, OF HEXAVALENT CHROMIUM FROM ELECTROPLATING ,WASTEWATER, 413 Cr 2O 7 2-+ 6Fe2+ + 14H+ → 2Cr3+ + 6Fe3+ + 7H 2O (1) Cr3+ + 3OH-→ Cr(OH) 3 (2) Fe3+ + 3OH-→ Fe(OH) 3 (3) The produced sludge amount in the above process is very large, since for 1 kg of chromium

Removal of sulfate from mining waters by electrocoagulation
Removal of sulfate from mining waters by electrocoagulation

as an ,ion, exchange process16 (from the viewpoint of the effluent quality), because the . 17. positive effect searched for (,removal, of the sulfate anions) is compensated partially with . 18. a non-desired effect: an increase in the concentration of the counter ,ion, added with the . 19. coagulant [27, 36]. Raw mine ,wastewater, Electrochemical flow cell

An evaluation of desulfurization technologies for sulfur ...
An evaluation of desulfurization technologies for sulfur ...

The current industrial method for ,removal of sulfur, from fuels is hydrodesulfurization (HDS), which is a high temperature, high pressure catalytic process. This makes HDS a very costly option for deep ,desulfurization,. Moreover, HDS is not effective for removing heterocyclic ,sulfur, compounds such as dibenzothiophene (DBT) and its derivatives, especially 4,6-dimethyldibenzothiophene (4,6-DMDBT).

US4705639A - Ferrous and sulfide treatment of ...
US4705639A - Ferrous and sulfide treatment of ...

This method produces approximately one-fourth the sludge generated by the previously known ,acidic, reaction treatment using only ferrous sulfide. The present invention involves a treatment technique for drastically reducing the volume of hazardous sludge generated by the chemical reduction of chromium contaminants and the precipitation of heavy metal contaminants from contaminated electroplating ,wastewater,.

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