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shale gas fracturing flow-back fluids discharge

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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shale gas fracturing flow-back fluids discharge
Bioreactor for acid mine drainage control (Patent) | DOE ...
Bioreactor for acid mine drainage control (Patent) | DOE ...

Patent, Number(s): 6325923 Assignee: MSE Technology Applications, Inc. (Butte, MT) ,Patent, Classifications (CPCs):

J. Ming Zhuang Inventions Patents and Patent Applications ...
J. Ming Zhuang Inventions Patents and Patent Applications ...

Patent, number: 7758758 Abstract: A method for removing metals from metal-containing acidic ,mine wastewater, uses a basic sludge produced by the method for treating the ,wastewater,. The ,wastewater, is mixed with a lime slurry and with the basic sludge.

J. Ming Zhuang Inventions Patents and Patent Applications ...
J. Ming Zhuang Inventions Patents and Patent Applications ...

Patent, number: 7758758 Abstract: A method for removing metals from metal-containing acidic ,mine wastewater, uses a basic sludge produced by the method for treating the ,wastewater,. The ,wastewater, is mixed with a lime slurry and with the basic sludge.

Ion Exchange Companies and Suppliers (Water and Wastewater
Ion Exchange Companies and Suppliers (Water and Wastewater

ResinTech Inc, an acknowledged leader in ,ion exchange,, manufactures a broad range of ,ion exchange, resins for ,water and wastewater, treatment, including deionization, softening, metals removal, product purification, resource recovery, and pollution ...

US4695378A - Acid mine water aeration and treatment system ...
US4695378A - Acid mine water aeration and treatment system ...

An in-line system is provided for treating acid ,mine, drainage which basically comprises the combination of a jet pump (or pumps) and a static mixer. The jet pump entrains air into the acid ,waste, water using a Venturi effect so as to provide aeration of the ,waste, water while further aeration is provided by the helical vanes of the static mixer.

John William Costerton Inventions Patents and Patent ...
John William Costerton Inventions Patents and Patent ...

Biofilm remediation of acid ,mine, drainage ,Patent, number: 8480902 Abstract: A method of prevention of acid rock drainage excludes oxygen from waste rocks that contain ferrous sulfides by building an oxygen bio-barrier over exposed surfaces of the waste rock.

Patent – Treatment of wastewater using microbial fuel cells
Patent – Treatment of wastewater using microbial fuel cells

4/12/2017, · ,Patent,. Hybrid system up-flow constructed wetland integrated with microbial fuel cell for simultaneous ,wastewater, treatment and electricity generation. ... agriculture ,wastewater,, storm water and ,acid mine, drainage. The major roles of the macrophytes are stabilize the surface beds, ...

United States patent is issued for acid mine water ...
United States patent is issued for acid mine water ...

17/9/2013, · Rand Water chairman in Professor Jannie Maree has received a United States ,patent, for an acid ,mine, water treatment process. “The magnesium-barium-hydroxide (MBO) process, which removes metals and sulphate from ,mine, water, offered South Africa a technically sound and cost-effective solution for the acid ,mine, water problem,” Maree has highlighted in a statement.

United States patent is issued for acid mine water ...
United States patent is issued for acid mine water ...

17/9/2013, · Rand Water chairman in Professor Jannie Maree has received a United States ,patent, for an ,acid mine water treatment, process. “The magnesium-barium-hydroxide (MBO) process, which removes metals and sulphate from ,mine, water, offered South Africa a technically sound and cost-effective solution for the ,acid mine, water problem,” Maree has highlighted in a statement.

Acid mine water aeration and treatment system (Patent ...
Acid mine water aeration and treatment system (Patent ...

An in-line system is provided for treating acid ,mine, drainage which basically comprises the combination of a jet pump (or pumps) and a static mixer. The jet pump entrains air into the acid ,waste, water using a Venturi effect so as to provide aeration of the ,waste, water while further aeration is provided by the helical vanes of the static mixer.

Chemical and Microbiological Treatment of Acid Mine ...
Chemical and Microbiological Treatment of Acid Mine ...

Chemical and Microbiological Treatment of Acid Mine, Drainage for the Removal of Iron and Acidity EPA Grant Number: U914731 Title: ,Chemical and Microbiological Treatment of Acid Mine, Drainage for the Removal of Iron and Acidity Investigators: Diz, Harry R. Institution: Virginia Tech EPA Project Officer: Hahn, Intaek

Method for removing metals from acid mine drainage - Noram ...
Method for removing metals from acid mine drainage - Noram ...

The metals that can be removed from, acidic mine, wastewater by the methods of the invention are heavy metals, including cadmium, cobalt, copper, manganese, nickel, lead and zinc, as well as lighter metals, such as aluminum. The invention provides a new method of treating, acidic, mine wastewater.

CN102285730A - Treatment method and device for acid-base ...
CN102285730A - Treatment method and device for acid-base ...

The invention relates to a treatment method and device for acid-base neutralization of ,mine wastewater,. The treatment method for acid-base neutralization of the ,mine wastewater, comprises the following steps: 1) separately introducing the mire ,wastewater, and base-containing neutralizing water into an acidic neutralizing pipe and a basic neutralizing pipe, the pipe ports of which are opposite ...

Technique for biological treatment of mine acidic wastewater
Technique for biological treatment of mine acidic wastewater

The invention relates to a process for biologically treating wastewater with sulfate and, hydrochloric, acid and recycling elemental sulfur, belonging to the technical fields of environmental protection and wastewater treatment, which is characterized in that in the process, the sludge acidic fermentation products from a wastewater treatment plant is used as carbon source sulfate reducing bacteria for treating acidic sulfate, wastewater, …

Veolia company develops patented reverse osmosis process ...
Veolia company develops patented reverse osmosis process ...

PITTSBURGH, PA, May 1, 2009 -- N.A. Water Systems, a Veolia Water Solutions & Technologies (VWS) company, announced the award of a patent for its AMDRO™ technology, a reverse osmosis (RO) process for treatment of acidic wastewater. This process is particularly applicable to the mining and fertilizer production industries.

CHEMICAL AND BIOLOGICAL TREATMENT OF ACID MINE …
CHEMICAL AND BIOLOGICAL TREATMENT OF ACID MINE …

CHEMICAL AND BIOLOGICAL TREATMENT OF ,ACID MINE, DRAINAGE FOR THE REMOVAL OF HEAVY METALS AND ACIDITY Harry R. Diz ABSTRACT This dissertation reports the design of a process (,patent, pending) to remove iron from ,acid mine, drainage (AMD) without the ... and acidic iron-rich industrial ,wastewater,. iii DEDICATION It would not have been possible to ...

John William Costerton Inventions Patents and Patent ...
John William Costerton Inventions Patents and Patent ...

Biofilm remediation of ,acid mine, drainage ,Patent, number: 8480902 Abstract: A method of prevention of ,acid, rock drainage excludes oxygen from waste rocks that contain ferrous sulfides by building an oxygen bio-barrier over exposed surfaces of the waste rock.

SYSTEM AND METHOD FOR ACTIVELY TREATING MINING …
SYSTEM AND METHOD FOR ACTIVELY TREATING MINING …

United States ,Patent, Application 20180134597 . Kind Code: A1 . Abstract: Systems and methods for actively treating mining ,wastewater,, such as acid ,mine, drainage, using a mixed culture of iron oxidizing bacteria, in a manner that results in both remediation ...

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