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fracturing fluid breaker

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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fracturing fluid breaker
Removal of Arsenic from Strongly Acidic Wastewater Using ...
Removal of Arsenic from Strongly Acidic Wastewater Using ...

The removal of ,arsenic, by traditional sulfide (e.g., Na2S, FeS) from strongly acidic ,wastewater, introduces cations (Na+ and Fe2+) to the solution, which may prevent the recycle ,of acid,. In this study, a new sulfuration agent, phosphorus pentasulfide (P2S5) was employed, and its feasibility in ,arsenic, removal from strongly acidic ,wastewater, was investigated.

US5182023A - Process for removing arsenic from water ...
US5182023A - Process for removing arsenic from water ...

A process for treating ,arsenic,-containing aqueous waste is described wherein the aqueous waste, treated if necessary to minimize the presence of materials which reduce the efficiency of reverse osmosis membranes, is passed through an ultrafilter to remove solids followed by a chemical treatment to adjust the pH to range from about 6 to 8 and to add antiscalants and antifouling materials, then following to …

Removal of Arsenic from Strongly Acidic Wastewater Using ...
Removal of Arsenic from Strongly Acidic Wastewater Using ...

26/3/2018, · Strongly, acidic wastewater, (H2SO4) with a, high arsenic, concentration is produced by many industries. The removal of arsenic by traditional sulfide (e.g., Na2S, FeS) from strongly, acidic wastewater, introduces cations (Na+ and Fe2+) to the solution, which may prevent the recycle of acid. In this study, a new sulfuration agent, phosphorus pentasulfide ...

Emerging electrochemical processes for materials recovery ...
Emerging electrochemical processes for materials recovery ...

4/9/2020, · Here, we review three emerging electrochemical technologies for materials ,recovery, applications: electrosorption based on carbonaceous and intercalation electrodes, electrochemical redox processes, and electrochemically induced precipitation. We highlight the mechanisms for achieving selective materials ,recovery, in these processes.

A critical review of resource recovery from municipal ...
A critical review of resource recovery from municipal ...

Consequently, nitrogen (N) and phosphorous (P) removal technologies have been implemented into WWTPs. 2 The most widely used ,wastewater, treatment technology is the conventional activated sludge (CAS) process, in which aerobic microorganisms metabolise the organic fraction present in the ,wastewater, under constant oxygen supply. 3 Although the CAS process succeeds in meeting legal effluent quality standards, it is considered unsustainable due to its low resource ,recovery, …

CONCEPTUAL DESIGN FOR TREATMENT OF MINING AND ...
CONCEPTUAL DESIGN FOR TREATMENT OF MINING AND ...

chemical treatment of metallurgical ,wastewater, and its joining with mining ,wastewater,, residual amount of ,arsenic, in water was below maximum allowed concentrations, while the concentration of antimony, remained above the maximum allowed value. The final phase of purification process was performed using ion exchange resin. After treatment

Problems & Solutions in Passivation of Titanium
Problems & Solutions in Passivation of Titanium

26/3/2008, · ,Passivation of Titanium,. April 28, 2009-- this entry appended to this thread by editor in lieu of spawning a duplicative thread. Q. Hi, I work in the orthopaedic medical device ,industry,. We currently passivate all products -- this includes non stainless steel products such as ,Titanium,.

Studies on the titanium dioxide nanoparticles ...
Studies on the titanium dioxide nanoparticles ...

7/3/2019, · Photo catalytic properties of ,titanium, dioxide nanoparticles helps in removal of cyanide from the ,waste water, using the hydrolysis technique . Similarly, there is a report where TiO 2 -activated carbon composites have application in photo catalytic degradation of β-naphthol from the ,waste water, …

(PDF) Design considerations for wastewater treatment by ...
(PDF) Design considerations for wastewater treatment by ...

Three different scenarios of ,wastewater, treatment and water reclamation were proposed: (A) forward osmosis aerobic membrane bioreactor (FOAeMBR); (B) FOAeMBR integrated with reverse osmosis (RO ...

Development of Green Digestion Methods of Soils for the ...
Development of Green Digestion Methods of Soils for the ...

3051A, and 3052 all had approximately the same ,recovery, of ,arsenic,, and Method 3051 had the worst ,recovery, of ,arsenic, in soil samples. ,Arsenic, has several health risks associated with chronic exposure 10so there is more importance to find methods that will yield consistent results.

Making Titanium Pigments
Making Titanium Pigments

The second alternative is to also evaporate to 50% and treat with sulfuric ,acid, to regenerate HCl. Other than the complexity of the process, it has the disadvantage of producing a solid ,waste, of calcium sulfate. The second digester stage carries the process to completion with the ,titanium, in solution as ,titanium, …

A Study on the Recovery of Titanium Dioxide from Blast ...
A Study on the Recovery of Titanium Dioxide from Blast ...

roasted by sodium or potassium hydroxide, and then washed with ,water, in order to improve the grade of ,titanium,-bearing mineral. The resulting product was then dissolved in ,acid,, and through several additional processing steps, the ,titanium, dioxide pigment was finally produced [6, 10, 18-22].

Titanium in Virginia
Titanium in Virginia

titanium, has eroded from the Blue Ridge, ... for example, this ,industry, would have to shut down if immediately required to cease discharging its ,acid waste, into the river. ... In 1979, ,water, flowing off the mining ,waste, triggered another fish kill in the Piney River.

TITANIUM DIOXIDE Chemical and Technical Assessment First ...
TITANIUM DIOXIDE Chemical and Technical Assessment First ...

the extremely fine ,titanium dioxide, crystals and the matrix in which the pigment is dispersed and they can improve the dispersion of the ,titanium dioxide, in the host matrix (Kirk-Othmer, 2006). ,Titanium dioxide, is insoluble in ,water,, hydrochloric ,acid,, dilute sulfuric ,acid,, and organic solvents.

Optimal design and control of Eastman organic wastewater ...
Optimal design and control of Eastman organic wastewater ...

10/10/2018, · A hybrid membrane technique to approach sustainable ,design, of green ,wastewater, treatment process is proposed by Rashidi et al. (2015). Based on these works and the concept ,design, proposal in early work ( Qin, 2006 ), this paper proposes a “waste control by waste” strategy to deal with the Eastman ,wastewater,, in which an ester is synthetized by alcohols and acids in the ,wastewater, to …

Titanium dioxide pigment production process - Nanjing ...
Titanium dioxide pigment production process - Nanjing ...

Titanium, pigment is extracted by using either sulphuric ,acid, (sulphate process) or chlorine (chloride route). The sulphate process employs simpler technology than the chloride route. The chloride route requires the construction of a chloralkali unit and a higher automation control system. There is more solid ,waste, produced from the chloride route.

Anodizing titanium: amps concentration contamination ...
Anodizing titanium: amps concentration contamination ...

30/12/2020, · I work in the aerospace ,industry, and am having issues with contamination on ,titanium, fasteners; our process is as follows: 1 hot caustic 10% clean 2 ,water, rinse 3 etch tank 60% ,water, 30% nitric 10% HF (parts held in solution until pickling starts then timed) 4 ,water, rinse x2 5 anodise tank 25% sulphuric 6 ,Water, rinse 7 hot DI ,water, seal

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