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Bicarbonate in 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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Bicarbonate in fracturing flowback fluid
Fundamentals of Zero Liquid Discharge System Design
Fundamentals of Zero Liquid Discharge System Design

1/10/2011, · HPD has used these low-temperature properties of very soluble salts found in plant ,wastewater, to design a unique low-temperature ,crystallization, process known as the CoLD Process (,Crystallization, ...

Kepco NF - Case Study | Condorchem Envitech
Kepco NF - Case Study | Condorchem Envitech

Solution 2: Complete concentration and crystallization plant for the treatment of residual acid effluents that have been previously neutralized. The plant consists on a thermal vacuum concentrator DESALT VR 6000 WW + a thermal vacuum crystallizer DESALT DRY 1000 WW .

Progressive Freeze Concentration for Wastewater Treatment ...
Progressive Freeze Concentration for Wastewater Treatment ...

Crystallization, technique is one of the potential techniques to deal with ,wastewater, treatment. In this work, progressive freeze ,concentration, (PFC) technique was studied for its effectiveness in ,wastewater, treatment from food industry. In PFC, pure water is produced in the form of ice crystal block and leave behind a higher ,concentration, solution.

Recovery and recycling of lithium: A review - ScienceDirect
Recovery and recycling of lithium: A review - ScienceDirect

1/1/2017, · Membrane ,crystallization, in direct contact, ,vacuum,, and osmotic configurations have been carried out to recover lithium chloride and compared. Among them by the ,vacuum, membrane distillation required supersaturation for ,crystallization, was achieved, which is used for simultaneously clean water and lithium production . 3.4.

PSNH Merrimack Station NH0001465
PSNH Merrimack Station NH0001465

ABSTRACT: A vacuum crystallization process operated at low temperature has been developed based on crystallization techniques used in the salt, chemical, and fertilizer industries. It is being applied in wastewater treatment and recycle to achieve zero liquid discharge for some difficult

Final Report | Developing a Vacuum Distillation - Acid ...
Final Report | Developing a Vacuum Distillation - Acid ...

Vacuum, thermal stripping coupled with ,acid, absorption is an innovative process to efficiently remove ammonia from digestate and ammonia-rich ,wastewater,. The best practical boiling point for ammonia recovery is at temperature 65°C and ,vacuum, pressure 25–28 kPa. By controlling sulfuric ,acid concentration, in the absorption solution at 2–4 ...

Sustainable Treatment for Sulfate and Lead Removal from ...
Sustainable Treatment for Sulfate and Lead Removal from ...

The high lead ,concentration, and low pH, due to the presence of excessive sulfuric ,acid, in the solution perform, comprise the main contaminations of battery ,wastewater, (BWW). The average ,concentration, of lead in ,wastewater, is about 3–15 mg/L and the pH of ,wastewater, falls in the range of 1.6-2.9 [9].

CN1736526A - Energy-saving three-stage vacuum evaporation ...
CN1736526A - Energy-saving three-stage vacuum evaporation ...

Disclosed is a method for three-stage inspissations and cooling ,crystallization, using single energy-saving device. The technique is mainly characterized in that potential difference and pressure difference urge the liquid medium to flow steppedly and automatically; the energy for cooling ,and crystallization, is generated by the flowing work of process transmitter and heating transmitter; …

Crystallization - Applications - 3V Tech
Crystallization - Applications - 3V Tech

3V Tech S.p.A. - Sede legale: Via Fatebenefratelli, 20 - 20121 Milano (MI) - Italia Reg. Imprese Milano n. 04853800961 - R.E.A n 1777029 MILANO - Cod. Fisc e P. IVA ...

Crystallization process and nucleation kinetics of Mg2 ...
Crystallization process and nucleation kinetics of Mg2 ...

Stirring in the ,crystallization, process can not only ensure the homogeneity of the ,wastewater, and prevent crystal aggregates and agglomerate growth, but also play a decisive role in MSZW, ,crystallization, yield and crystal morphology. The experimental results under various stirring rate (S) conditions are shown in Figure 4.

Treatment of tailings in mining operations | Industrial ...
Treatment of tailings in mining operations | Industrial ...

Concentration, technologies (,vacuum, evaporation ,and crystallization,) Biological treatment; Irrigation with impacted mine water; Freezing technologies (eutectic freeze ,crystallization,, hybrid ice technology) Other emerging technologies such as forced osmosis (FO), desalination of carbon nanotubes, biomimetic desalination and nano-electrochemical processes.

CN101032320A - Crystallization and concentration of ...
CN101032320A - Crystallization and concentration of ...

The process includes absorbing the heat of cooling water with the secondary steam generated during ,crystallization, via expanding contact and evaporating chilling, condensating the secondary steam in the condensator, and pumping the heat released cooling water to glutamic ,acid, producing shop for cooling.

Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

In the phosphoric ,acid concentration, section, fluorine together with minor quantity of phosphoric ,acid, passes to the barometric condenser. The condenser discharged contains 2 to 3 percent H 2 SiF 6 . From the gypsum filtration section also, some quantity of effluent is discharged which contains suspended matter, phosphorus pentoxide and fluorine.

Cristallisation - Applications - 3V Tech
Cristallisation - Applications - 3V Tech

3V Tech S.p.A. - Sede legale: Via Fatebenefratelli, 20 - 20121 Milano (MI) - Italia Reg. Imprese Milano n. 04853800961 - R.E.A n 1777029 MILANO - Cod. Fisc e P. IVA ...

Application of the hydroxyapatite crystallization ...
Application of the hydroxyapatite crystallization ...

Phosphorus ,crystallization,-filtration (PCF) was devised as a novel tertiary process for phosphorus removal from domestic ,wastewater,. The results obtained showed that during the PCF process, high pH and excessive calcium dosage conditions were required to obtain effluents with total phosphorus (T-P) and suspended solid (SS) concentrations below 0.2 and 10 mg/L, respectively, …

Application of the hydroxyapatite crystallization ...
Application of the hydroxyapatite crystallization ...

Phosphorus ,crystallization,-filtration (PCF) was devised as a novel tertiary process for phosphorus removal from domestic ,wastewater,. The results obtained showed that during the PCF process, high pH and excessive calcium dosage conditions were required to obtain effluents with total phosphorus (T-P) and suspended solid (SS) concentrations below 0.2 and 10 mg/L, respectively, within 2 h of operation.

Fundamentals of Zero Liquid Discharge System Design
Fundamentals of Zero Liquid Discharge System Design

1/10/2011, · HPD has used these low-temperature properties of very soluble salts found in plant ,wastewater, to design a unique low-temperature ,crystallization, process known as the CoLD Process (,Crystallization, ...

Sustainable Treatment for Sulfate and Lead Removal from ...
Sustainable Treatment for Sulfate and Lead Removal from ...

The high lead ,concentration, and low pH, due to the presence of excessive sulfuric ,acid, in the solution perform, comprise the main contaminations of battery ,wastewater, (BWW). The average ,concentration, of lead in ,wastewater, is about 3–15 mg/L and the pH of ,wastewater, falls in the range of 1.6-2.9 [9].

Crystallization process and nucleation kinetics of Mg2 ...
Crystallization process and nucleation kinetics of Mg2 ...

Stirring in the ,crystallization, process can not only ensure the homogeneity of the ,wastewater, and prevent crystal aggregates and agglomerate growth, but also play a decisive role in MSZW, ,crystallization, yield and crystal morphology. The experimental results under various stirring rate (S) conditions are shown in Figure 4.

Polyethylene terephthalate - Wikipedia
Polyethylene terephthalate - Wikipedia

Replacing terephthalic ,acid, (right) with isophthalic ,acid, (center) creates a kink in the PET chain, interfering with ,crystallization, and lowering the polymer's melting point. Another common modifier is isophthalic ,acid, , replacing some of the 1,4-( para- ) linked terephthalate units.

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