Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

What is in the 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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

What is in the fracturing flowback fluid
Selected Heavy Metals Removal From Electroplating ...
Selected Heavy Metals Removal From Electroplating ...

14/3/2019, · PHB is highly ,permeable, ... As more than Fe, Zn and Ni possibly due to higher concentrations of the later in the ,electroplating wastewater,. The ,high, ... /,iron, oxide/,acid, oxidized multi-,wall, ...

ACID DRAINAGE FROM MINES AND ITS RELATEDPROBLEMS by …
ACID DRAINAGE FROM MINES AND ITS RELATEDPROBLEMS by …

This ,reaction, (as shown below) illustrates how sulfuric ,acid,(H 2 SO4) and ,iron, sulfate (FeSO4) are produced when the ,iron, sulfide mineral pyrite (FeS2) reacts with water: FeS 2 + H 2 O + 3.5O 2 ...

An in Situ Permeable Reactive Barrier for the Treatment of ...
An in Situ Permeable Reactive Barrier for the Treatment of ...

The barrier is a ,permeable, subsurface ,wall, composed of granular ,iron,, installed in a 46 mlong, 7.3 m deep and 0.6 mwide trench oriented perpendicular to the direction of ground-water flow (Blowes etal., 2000). The mass of Peerless™ granular ,iron, deposited into the trench (280 tons) was less than the design estimate of 450 tons.

Federal Register :: Clean Water Act Methods Update Rule ...
Federal Register :: Clean Water Act Methods Update Rule ...

Method D1886-14A, the sample is ,acid, digested and analyzed by direct aspiration atomic absorption. Method D1886-14B, the sample is ,acid, digested and the nickel chelated and extracted. The extract is analyzed by direct aspiration atomic absorption. Method D1886-14C, the sample is ,acid, digested and analyzed by graphite furnace atomic absorption.

Fe(o)-based bioremediation of aquifers contaminated with ...
Fe(o)-based bioremediation of aquifers contaminated with ...

O'Hannesin and Gillham, “In situ degredation of halogenated organics by ,permeable reaction wall,,” EPA Groundwater Currents, 542:1-2, 1993. ;, 542:1-2, 1993. Olowe et al., “La présence simultanée de rouille verte 2 et de bactéries sulfato-réductrices en corrosion perforante de palplanches en zone portuaire,” C.R. Acad. Sci. Paris, t. 314, Série II, p1. 1157-1163, 1992.

ENVIRONMENTAL ENGINEERING RESEARCH
ENVIRONMENTAL ENGINEERING RESEARCH

Therefore granule in the ,permeable wall, should be selected with consideration of volumetric mass transfer coefficient and plugging in walls ... Thermophilic contact oxdation process (TCOP) is suitable for the treatment of ,high, strength ,wastewater,, ... The river Akagawa has been receiving the effluent from an ,acid mine, drainage treatment plant.

Recent Developments for Remediating Acidic Mine Waters ...
Recent Developments for Remediating Acidic Mine Waters ...

D. acidophilus, the second acidophilic SRB validly described isolated from a sediment sample collected in a decantation pond receiving ,acid mine, effluent (pH ~ 3.0), showed ,high, tolerance to NaCl. SRB belonging to the genus Desulfosporosinus are known to thrive in low pH environments together with members of the closely related genus Desulfitobacterium which have also been detected in reactors …

Recent Developments for Remediating Acidic Mine Waters ...
Recent Developments for Remediating Acidic Mine Waters ...

1/1/2017, · (a) AMD from a copper ,mine, in the State of Para, Brazil, that has been remediated with limestone treatment, (b) acidic water released from abandoned underground metalliferous ,mine, in the Republic of South Africa (reproduced from Akcil and Koldas [9]), (c) acidic ,mine, water draining from an abandoned sulfur ,mine,, northern Chile, (d) AMD discharge in the Lomero-Poyatos ,mine,, Spain …

CLU-IN | Technologies > Remediation > About Remediation ...
CLU-IN | Technologies > Remediation > About Remediation ...

The ,iron, hydroxide is finally transformed into ,iron, oxide. Fiore and Zanetti (2009) researched the ability of ZVI to treat ,acid mine, drainage water that contained among other ions Al, Ba, Cu, Cr, Fe, Mn, Pb, and Zn. All of these ions were removed in the ZVI column to …

Heavy metal removal and neutralization of acid mine waste ...
Heavy metal removal and neutralization of acid mine waste ...

1/12/2007, · The principal objective in ,waste water, treatment is to eliminate or reduce contaminants to permissible level that cause no adverse effects on humans or receiving environment. Generally, the remediation of the ,acid mine waste water, requires pH adjustment, physical oxidation or reduction, neutralization and heavy metal removal.

Remediation of Dissolved Iron from Groundwater at a Closed ...
Remediation of Dissolved Iron from Groundwater at a Closed ...

87 shallow upgradient monitoring wells during 2012 revealed an average TOC concentration of 28.36 7.22 mg/L. Henderson and Demond (2007) investigated zero valent ,iron permeable, reactive barriers (the most common PRB material) and found that the most common cause of PRB failure reported was i mperfect hydraulic site characterization; decreases in barrier permeability was not likely the cause of …

Treatment of Flue Gas Desulfurization Wastewater by an ...
Treatment of Flue Gas Desulfurization Wastewater by an ...

The process is based on a preliminary pretreatment of FGD wastewaters, which includes chemical softening and ultrafiltration (UF) to remove Ca 2+ and Mg 2+ ions as well as organic compounds. The pretreated wastewaters were submitted to a reverse osmosis (RO) step to separate salts from water.

Selected Heavy Metals Removal From Electroplating ...
Selected Heavy Metals Removal From Electroplating ...

14/3/2019, · PHB is highly ,permeable, ... As more than Fe, Zn and Ni possibly due to higher concentrations of the later in the ,electroplating wastewater,. The ,high, ... /,iron, oxide/,acid, oxidized multi-,wall, ...

Proceedings 2018 - International Mine Water Association
Proceedings 2018 - International Mine Water Association

Gałuszka, Agnieszka; Migaszewski, Zdzisław Maksymilian (2018): Extremely ,High, Levels of Trace Elements in Aerial Parts of Plants Naturally Growing in the Wiśniówka ,Acid Mine, …

Alkaline residues and the environment: A review of impacts ...
Alkaline residues and the environment: A review of impacts ...

acid, rock drainage Batch tests Significant reduction of the concentrations of certain elements in the leachate and substantially increased the leachate pH. (Alakangas et al., 2013) Fly ash Dry cover for ,mine, tailings Full scale The dissolution of the fly ash layer resulted in a ,high, …

CLU-IN | Technologies > Remediation > About Remediation ...
CLU-IN | Technologies > Remediation > About Remediation ...

The ,iron, hydroxide is finally transformed into ,iron, oxide. Fiore and Zanetti (2009) researched the ability of ZVI to treat ,acid mine, drainage water that contained among other ions Al, Ba, Cu, Cr, Fe, Mn, Pb, and Zn. All of these ions were removed in the ZVI column to levels below the appropriate Italian regulatory levels.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City