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Turbidity of fracturing 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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Turbidity of fracturing flowback fluid
Adsorption of the copper ion by Phoenix sylvestris leaves
Adsorption of the copper ion by Phoenix sylvestris leaves

Journal of ,Chemical, and Pharmaceutical Research, 2016, 8(3):155-164 ... treat ,wastewater containing, different classes of metal ions recognizing the economic drawback of commercial ... 9 and 10. The ,acidic, and alkaline pH of the media was maintained by adding the required amounts of 0.1 ml/L hydrochloric acid and sodium hydroxide solutions.

PURIFICATION OF THE METALLURGICAL WASTEWATER FROM COPPER …
PURIFICATION OF THE METALLURGICAL WASTEWATER FROM COPPER …

neutralization process in order to develop remedial technology for prevention of the regional water resources contamination. Metallurgical wastewater is mixture of wastewaters from Electrolyte regeneration plant, Copper Refining plant and Precious metals plant and this is waste with high content of copper and sulphuric acid.

A low-cost sorbent for removal of copper ions from ...
A low-cost sorbent for removal of copper ions from ...

makes the FA suitable for applications in ,wastewater, treatment procedures ,of acidic, waste streams due to its alkaline character. Beside the ,copper, ions removal from acid ,wastewater, using this type of new sorbent (which contains ash with alkaline character), the ,neutralization, of ,wastewater, is …

ADSORPTION AND NEUTRALIZATION OF ACID WASTEWATER ...
ADSORPTION AND NEUTRALIZATION OF ACID WASTEWATER ...

The process and mechanism of the adsorption and ,neutralization of acidic wastewater containing, Ni(Ⅱ) by steel slag,the solid waste produced from steelmaking industry were studied in detail.The results showed that after 8 min adsorption treatment at(25 ℃),the concentration of Ni(Ⅱ) in ,acidic wastewater, was reduced from the initial(200 mg/L) to(0.25 mg/L) and effluent pH was increased from ...

Remediation and Selective Recovery of Metals from Acidic ...
Remediation and Selective Recovery of Metals from Acidic ...

7/10/2014, · Mine waters are widely regarded as environmental pollutants, but are also potential sources of valuable metals. Water draining the Maurliden mine (Sweden) is highly ,acidic, (pH 2.3) and rich in zinc (∼460 mg L–1) and iron (∼400 mg L–1), and contains smaller concentrations (0.3–49 mg L–1) of other transition metals and arsenic.

Sci Forschen Water and Wastewater Treatment
Sci Forschen Water and Wastewater Treatment

Wastewater containing, large amount of Cu is highly toxic for ... is about application of ,chemical, precipitation of ,copper, and manganese metals from industrial ,acidic, effluent in the presence of large concentration ... alkaline nature it can be utilized for ,neutralization, and metal removal from ,acidic wastewater,.

Wastewater Technology Fact Sheet Chemical Precipitation
Wastewater Technology Fact Sheet Chemical Precipitation

Ferrous Sulfate - Fe(SO4)3 Typically used with lime to soften water. The ,chemical, combination forms calcium sulfate and ferric hydroxide. ,Wastewater, must contain dissolved oxygen for reaction to proceed successfully. Alum or Filter Alum - AI2(SO4)3.14H2O Used for water softening and phosphate removal.

Sci Forschen Water and Wastewater Treatment
Sci Forschen Water and Wastewater Treatment

Wastewater containing, large amount of Cu is highly toxic for ... is about application of ,chemical, precipitation of ,copper, and manganese metals from industrial ,acidic, effluent in the presence of large concentration ... alkaline nature it can be utilized for ,neutralization, and metal removal from ,acidic wastewater,.

(PDF) Neutralization of an extremely acidic sludge and ...
(PDF) Neutralization of an extremely acidic sludge and ...

The The general experimental flow sheet is given in Fig. 2. sludge is a black, homogeneous organic matter with high The ,acidic, sludge was mixed with the fly ash under different viscosity and strong acidity with an apparent pH of 1.2 operational conditions, such as FA/PAZ and W/PAZ requiring 19.1 equivalents of NaOH for ,neutralization, ratios.

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

Copper plating solution containing 15,200-ppm cyanide as NaCN can be treated with sulphuric acid and air is blown through perforated pipes for 16 hrs. There was substantial decrease in cyanide content. It is not generally satisfactory. Approximately nine days are required for …

Mechanism and kinetics of neutralization of copper ...
Mechanism and kinetics of neutralization of copper ...

Pasechnik, L.A. Mechanism and kinetics of ,neutralization, of ,copper,-,containing, solutions with modified red slurries of alumina production / L.A. Pasechnik, I. S. Medyankina, S. A. Bibanayeva, S.P. Yatsenko // Physical and ,chemical, aspects of the study of clusters, nanostructures and nanomaterials. – 2020.

Remediation and Selective Recovery of Metals from Acidic ...
Remediation and Selective Recovery of Metals from Acidic ...

7/10/2014, · Mine waters are widely regarded as environmental pollutants, but are also potential sources of valuable metals. Water draining the Maurliden mine (Sweden) is highly ,acidic, (pH 2.3) and rich in zinc (∼460 mg L–1) and iron (∼400 mg L–1), and contains smaller concentrations (0.3–49 mg L–1) of other transition metals and arsenic.

Lime neutralization process for treating acidic waters ...
Lime neutralization process for treating acidic waters ...

This invention relates to a process for treating acidic waters, more particularly acid mine drainages. BACKGROUND OF THE INVENTION. Acid mine drainages (AMD) naturally occur at mine sites and usually contain acidity, sulphate and several heavy metals such as iron, zinc, copper, lead, manganese, aluminum, cadmium, nickel at varying degrees.

HJ 2056-2018 PDF. - Chinese Standard
HJ 2056-2018 PDF. - Chinese Standard

6.2.5 Vulcanization method and membrane separation method are suitable for treating ,acidic wastewater containing copper, concentration above 80mg/L for recovery of valuable metals; In order to ensure that the effluent is up to standard, it is generally required to be combined with the lime ,neutralization, method and the HDS method.

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

Copper plating solution containing 15,200-ppm cyanide as NaCN can be treated with sulphuric acid and air is blown through perforated pipes for 16 hrs. There was substantial decrease in cyanide content. It is not generally satisfactory. Approximately nine days are required for …

ADSORPTION AND NEUTRALIZATION OF ACID WASTEWATER ...
ADSORPTION AND NEUTRALIZATION OF ACID WASTEWATER ...

The process and mechanism of the adsorption and ,neutralization of acidic wastewater containing, Ni(Ⅱ) by steel slag,the solid waste produced from steelmaking industry were studied in detail.The results showed that after 8 min adsorption treatment at(25 ℃),the concentration of Ni(Ⅱ) in ,acidic wastewater, was reduced from the initial(200 mg/L) to(0.25 mg/L) and effluent pH was increased from ...

Lime neutralization process for treating acidic waters ...
Lime neutralization process for treating acidic waters ...

This invention relates to a process for treating acidic waters, more particularly acid mine drainages. BACKGROUND OF THE INVENTION. Acid mine drainages (AMD) naturally occur at mine sites and usually contain acidity, sulphate and several heavy metals such as iron, zinc, copper, lead, manganese, aluminum, cadmium, nickel at varying degrees.

(PDF) Neutralization of an extremely acidic sludge and ...
(PDF) Neutralization of an extremely acidic sludge and ...

The The general experimental flow sheet is given in Fig. 2. sludge is a black, homogeneous organic matter with high The ,acidic, sludge was mixed with the fly ash under different viscosity and strong acidity with an apparent pH of 1.2 operational conditions, such as FA/PAZ and W/PAZ requiring 19.1 equivalents of NaOH for ,neutralization, ratios.

Wastewater Technology Fact Sheet Chemical Precipitation
Wastewater Technology Fact Sheet Chemical Precipitation

Ferrous Sulfate - Fe(SO4)3 Typically used with lime to soften water. The ,chemical, combination forms calcium sulfate and ferric hydroxide. ,Wastewater, must contain dissolved oxygen for reaction to proceed successfully. Alum or Filter Alum - AI2(SO4)3.14H2O Used for water softening and phosphate removal.

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