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Industrial neutralizing acid wastewater

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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Industrial neutralizing acid wastewater
Quantitative determination of fluorinated alkyl substances ...
Quantitative determination of fluorinated alkyl substances ...

1/1/2006, · The fluorinated analytes studied include perfluoroalkyl sulfonates, fluorotelomer sulfonates, perfluorocarboxylates, and select fluorinated alkyl sulfonamides. Recoveries of the fluorinated analytes from wastewater treatment plant (WWTP) raw influents and final effluent ranged from 77% – 96% and 80% – 99%, respectively.

Removal of Perfluorooctanoic Acid and Perfluorooctane ...
Removal of Perfluorooctanoic Acid and Perfluorooctane ...

Perfluorooctane sulfonate (PFOS) is a component of some TARCs and photoacid generators used by the semiconductor industry in its fabrication processes. The purpose of this study is to determine effective and economically feasible methods to treat PFOA/PFOS contaminated process wastewater.

RESEARCH WASTE WATER PFAS in wastewater: disposal …
RESEARCH WASTE WATER PFAS in wastewater: disposal …

cannot break down the carbon-fluorine bonds within PFAS. During wastewater treatment, PFAS partition either into the sewage sludge or into the effluent. PFAS in the effluent can impact the drinking water sources for communities downstream. Disposal of municipal wastewater sludge is …

RESEARCH WASTE WATER PFAS in wastewater: disposal …
RESEARCH WASTE WATER PFAS in wastewater: disposal …

cannot break down the carbon-fluorine bonds within PFAS. During wastewater treatment, PFAS partition either into the sewage sludge or into the effluent. PFAS in the effluent can impact the drinking water sources for communities downstream. Disposal of municipal wastewater sludge is …

Reducing Human Exposure to Highly Fluorinated Chemicals to ...
Reducing Human Exposure to Highly Fluorinated Chemicals to ...

Highly ,fluorinated, alternatives to PFOA and PFOS, such as short-chain PFASs, may still pose risks to humans and the environment because their structural similarities are expected to give rise to similar hazardous properties (i.e., persistence, toxicity, bioaccumulation potential, and/or long-range transport).[26,27] Manufacturers of short-chain PFASs have not provided evidence or toxicological ...

PFAS (SYNTHETIC FLUORINATED CHEMICALS) OVERVIEW
PFAS (SYNTHETIC FLUORINATED CHEMICALS) OVERVIEW

PFAS (SYNTHETIC ,FLUORINATED, CHEMICALS) OVERVIEW August 2017 Harry Behzadi, Ph.D. ... Cholesterol increase, Uric ,Acid, increase,Thyroid disease, Testicular and Kidney cancer, Pregnancy induced hypertension, Diabetes, ... ,Wastewater, treatment Sediment dredging

High concentrations of fluorinated chemical GenX found in ...
High concentrations of fluorinated chemical GenX found in ...

"Industrial sites, airports, ,wastewater,-treatment plants and fire-training areas upstream from the water treatment plant can all contribute to higher PFAS levels," Knappe said.

Research status and prospect of fluorinated wastewater and ...
Research status and prospect of fluorinated wastewater and ...

The photovoltaic industry in China is large, the treatment of fluorine-containing ,wastewater, will generate a lot of by-products, fluorine-containing sludge, of which calcium fluoride accounts for more than 40%. It is noted that fluorine-containing sludge can replace natural fluorite ore after purification, and this will bring high market value.

Removal of Perfluorooctanoic Acid and Perfluorooctane ...
Removal of Perfluorooctanoic Acid and Perfluorooctane ...

Perfluorooctane sulfonate (PFOS) is a component of some TARCs and photoacid generators used by the semiconductor industry in its fabrication processes. The purpose of this study is to determine effective and economically feasible methods to treat PFOA/PFOS contaminated process wastewater.

PFAS Wastewater and Biosolids Management
PFAS Wastewater and Biosolids Management

PFAS* concerns affect ,wastewater, & ,biosolids, management… * per- and poly-,fluorinated, alkyl substances, aka PFCs (perfluorinated compounds) How did we get here? 2000s present: Increasing focus on PFOA & PFOS in the environment worldwide. PFOA & PFOS voluntary phase-out by 2015. Industrially-impacted ,biosolids, contamination at Decatur, AL.

PFAS – The Next Wastewater Utility Challenge? - LimnoTech
PFAS – The Next Wastewater Utility Challenge? - LimnoTech

PFAS have been found in wastewater sewage sludge and much of this sludge is processed into biosolids and applied on agricultural lands. Land application is mutually beneficial – the WWTP has a cost effective method of disposing of biosolids, while the farmer enriches their soil with nutrient-rich material.

PFAS (SYNTHETIC FLUORINATED CHEMICALS) OVERVIEW
PFAS (SYNTHETIC FLUORINATED CHEMICALS) OVERVIEW

PFAS (SYNTHETIC ,FLUORINATED, CHEMICALS) OVERVIEW August 2017 Harry Behzadi, Ph.D. ... Cholesterol increase, Uric ,Acid, increase,Thyroid disease, Testicular and Kidney cancer, Pregnancy induced hypertension, Diabetes, ... ,Wastewater, treatment Sediment dredging

PFAS – The Next Wastewater Utility Challenge? - LimnoTech
PFAS – The Next Wastewater Utility Challenge? - LimnoTech

PFAS have been found in wastewater sewage sludge and much of this sludge is processed into biosolids and applied on agricultural lands. Land application is mutually beneficial – the WWTP has a cost effective method of disposing of biosolids, while the farmer enriches their soil with nutrient-rich material.

Research status and prospect of fluorinated wastewater and ...
Research status and prospect of fluorinated wastewater and ...

The photovoltaic industry in China is large, the treatment of fluorine-containing ,wastewater, will generate a lot of by-products, fluorine-containing sludge, of which calcium fluoride accounts for more than 40%. It is noted that fluorine-containing sludge can replace natural fluorite ore after purification, and this will bring high market value.

Observation of a commercial fluorinated material the ...
Observation of a commercial fluorinated material the ...

Wastewater, treatment plant (WWTP) sludge and paper fibers were analyzed for diPAPs as a proxy for human use and potential exposure to diPAPs. DiPAPs were observed in WWTP sludge at concentrations ranging from 47±22 to 200±130 ng/g, a range similar to perfluorooctane sulfonic ,acid, (PFOS) (100±70 ng/g) and greater than the C8 to C11 PFCAs (1.6±0.6 to 0.17±0.10 ng/g) observed in the same samples.

Reducing Human Exposure to Highly Fluorinated Chemicals to ...
Reducing Human Exposure to Highly Fluorinated Chemicals to ...

Highly ,fluorinated, alternatives to PFOA and PFOS, such as short-chain PFASs, may still pose risks to humans and the environment because their structural similarities are expected to give rise to similar hazardous properties (i.e., persistence, toxicity, bioaccumulation potential, and/or long-range transport).[26,27] Manufacturers of short-chain PFASs have not provided evidence or toxicological ...

Technical Fact Sheet – Perfluorooctane Sulfonate (PFOS ...
Technical Fact Sheet – Perfluorooctane Sulfonate (PFOS ...

and Perfluorooctanoic ,Acid, (PFOA) November 2017 . Introduction This fact sheet, ... PFOS and PFOA are fully ,fluorinated,, organic compounds. They are the ... in ,wastewater, treatment plant effluent, sewage sludge and landfill leachate at a number of cities in

PFAS Wastewater and Biosolids Management
PFAS Wastewater and Biosolids Management

PFAS* concerns affect ,wastewater, & ,biosolids, management… * per- and poly-,fluorinated, alkyl substances, aka PFCs (perfluorinated compounds) How did we get here? 2000s present: Increasing focus on PFOA & PFOS in the environment worldwide. PFOA & PFOS voluntary phase-out by 2015. Industrially-impacted ,biosolids, contamination at Decatur, AL.

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