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Acid wastewater treatment of p-chlorophenol and sodium acetate

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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Acid wastewater treatment of p-chlorophenol and sodium acetate
The Development of a Fluorine Removal Agent Using ...
The Development of a Fluorine Removal Agent Using ...

1 mL (Fig. 4) showed particularly high ,fluorine, removal effect, and the ,fluorine, concentration in the treated water became 0.1 mg/L or less. On the contrary, when the addition amount of sulfuric ,acid, was further increased, the ,fluorine, removing effect was lost, showing a ,fluorine, concentration higher than

The Development of a Fluorine Removal Agent Using ...
The Development of a Fluorine Removal Agent Using ...

Abstract: Calcium-based compounds are used as ,fluorine removal, treatment materials in water. However, due to the water solubility of calcium fluoride, there is a problem with low ,fluorine removal, performance. For this reason, various removing agents including phosphorus have been developed.

Fluoride Removal Systems for industrial wastewater
Fluoride Removal Systems for industrial wastewater

Digital Analysis manufactures a complete line of fluoride removal systems for the reduction of fluorides from a myriad of sources including hydrofluoric acid, buffered oxide etch, ammonium bi-fluoride, fluorine scrubbers, etc. Systems range from small batch systems capable of handling 100 GPD to continuous systems capable of handling 5,000,000 GPD.

Removal of Fluorine from Wet-Process Phosphoric Acid Using ...
Removal of Fluorine from Wet-Process Phosphoric Acid Using ...

The deep removal of fluorine from wet-process phosphoric acid is currently a very serious issue. In this paper, an efficient liquid–liquid separation method based on a bubble membrane was developed to solve this problem. Tributyl phosphate (TBP) and silicon oil (SIO) were used as the organic phase.

Solved: The Bottom Of Lake Pruitt In Which The Water Has ...
Solved: The Bottom Of Lake Pruitt In Which The Water Has ...

Limestone, reacts with hydronium ions to produce carbon dioxide, ,water,, and calcium ions as described by the reaction equation; CaCO 3 + 2H 3 O + → CO 2 + 3H 2 O + Ca 2+. Because of renewed coal burning upwind of the lake, it starts receiving regular ,acid, precipitation that has a pH of 4.5.

A Limestone Reactor for Fluoride Removal from Wastewaters ...
A Limestone Reactor for Fluoride Removal from Wastewaters ...

A two-column limestone reactor has been designed to reduce, fluoride, concentrations from, wastewaters, to below the maximum contaminant level (MCL limit) of 4 mg/L. The reactor functions by forcing calcite (CaCO 3) to dissolve and, fluorite, (CaF 2) to precipitate in the first column.

Calcium carbonate - Wikipedia
Calcium carbonate - Wikipedia

Calcium carbonate is a chemical compound with the formula Ca CO 3.It is a common substance found in rocks as the minerals calcite and aragonite (most notably as ,limestone,, which is a type of sedimentary rock consisting mainly of calcite) and is the main component of eggshells, snail shells, seashells and pearls.Calcium carbonate is the active ingredient in agricultural lime and is created when ...

KR100349154B1 - Composition for eliminating fluorine from ...
KR100349154B1 - Composition for eliminating fluorine from ...

The present invention relates to a ,fluorine removal, solution in ,wastewater, and a ,fluorine removal, method using the same, wherein 10% (w / v) cerium sulfate solution, 20% (w / v) ferrous sulfate solution and concentrated sulfuric ,acid, are 100: 25 to 30: 1.5. A ,fluorine removal, solution formed by mixing at a volume ratio of ˜2.5 and Reacting the ,fluorine removal, solution with ,waste water, to ...

Treatment of acidic wastewater via fluoride ions removal ...
Treatment of acidic wastewater via fluoride ions removal ...

15/11/2020, · A new process for the treatment of phosphoric acid industry wastewater is proposed. The technique comprises the following major steps: (1), selective removal, of fluoride ions via reaction/adsorption with SiO 2-containing particles; (2) microfiltration; and (3), flow electrode capacitive deionization (FCDI), for, selective separation of phosphate, ions.

Fluoride Removal from Industrial Wastewater
Fluoride Removal from Industrial Wastewater

Fluoride Removal from Wastewater Fluorine (F) is, a naturally occurring element found our air, soil, and water., Fluorine is among the most reactive elements on the periodic table and is rarely, if ever, found as elemental fluorine in our environment and is more known and observed as a fluoride in many different naturally occurring compounds.

The Study of the Technology to Remove Fluorine from the ...
The Study of the Technology to Remove Fluorine from the ...

The study puts forward the clean production process of"Neutralized with carbide mud residue-Coagulated together with Coagulant XN-1——Neutralized with waste hydrochloric ,acid,"to remove ,fluorine, from the ,wastewater, discharged from sulfuric ,acid, plant. Through lab-based experiments, the study has investigated the influence to ,fluorine,-,removal, efficiency caused by such factors as the amount of ...

Removal of Fluorine from Wet-Process Phosphoric Acid Using ...
Removal of Fluorine from Wet-Process Phosphoric Acid Using ...

The deep removal of fluorine from wet-process phosphoric acid is currently a very serious issue. In this paper, an efficient liquid–liquid separation method based on a bubble membrane was developed to solve this problem., Tributyl phosphate (TBP), and, silicon oil (SIO), were used as the organic phase.

JP2002035766A - Method for removing fluorine and ...
JP2002035766A - Method for removing fluorine and ...

How to remove phosphorus. (4) A method for removing fluorine by crystallization from waste water containing fluorine and phosphorus, wherein the waste water is passed through a reaction tank, the...

JP2002035766A - Method for removing fluorine and ...
JP2002035766A - Method for removing fluorine and ...

How to remove phosphorus. (4) A method for removing ,fluorine, by crystallization from ,waste water, containing ,fluorine, and phosphorus, wherein the ,waste water, is passed through a reaction tank, the pH in the reaction tank is made neutral or acidic, and the reaction is carried out in the presence of calcium.

Fluoride Removal from Industrial Wastewater and HF ...
Fluoride Removal from Industrial Wastewater and HF ...

Fluoride Removal from Industrial Wastewater., Fluorine, (F) is a, naturally occurring, element, found in our air,,, soil, and water., Fluorine is among the most reactive elements on the periodic table and is rarely, if ever, found as elemental fluorine in our environment and is more known and observed as a fluoride in many different naturally occurring ...

The Study of the Technology to Remove Fluorine from the ...
The Study of the Technology to Remove Fluorine from the ...

The study puts forward the clean production process of"Neutralized with carbide mud residue-Coagulated together with Coagulant XN-1——Neutralized with waste hydrochloric ,acid,"to remove ,fluorine, from the ,wastewater, discharged from sulfuric ,acid, plant. Through lab-based experiments, the study has investigated the influence to ,fluorine,-removal efficiency caused by such factors as the amount of ...

Precipitation Removal of Fluoride from Semiconductor ...
Precipitation Removal of Fluoride from Semiconductor ...

1/4/2007, · The traditional method for, fluorine removal, from, industrial wastewater generally involves chemical precipitation, and, coagulation, (He et al. 2016;Budyanto et al. 2015;Meenakshi and Maheshwari 2006...

The Removal of Fluorine From Wet Process Phosphoric Acid
The Removal of Fluorine From Wet Process Phosphoric Acid

Th€re have been numerousattemptsto removethis remainingfluorine. The most importantprocessis basedon addingsilica gel to the ,acid, and h€atingundervacuum.Undertheseconditionssilicontetrailuorideformsand is volatilized: sior+4HF-siFl+2H2O Ii can then be scrubbedfrom the exisr gasesand recoveredas fluorosilicic ,acid, (2).

The Development of a Fluorine Removal Agent Using ...
The Development of a Fluorine Removal Agent Using ...

Abstract: The compounds of, aluminum phosphate, are used to remove the fluorine compounds from, wastewater., The fluorine removal agent using the ash of sewage sludge and the municipal waste in addition to sulfuric acid were investigated. The removal

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