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

The acid wastewater of a factory was detected

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.

The acid wastewater of a factory was detected
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.

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

Acid Rain - National Atmospheric Deposition Program
Acid Rain - National Atmospheric Deposition Program

When distilled ,water, is exposed to air, an interaction with carbon dioxide increases acidity through the formation of carbonic ,acid,, H 2 CO 3, and the pH level falls. Many scientists agree that the normal pH of rain is a slightly acidic 5.6 because of perpetual chemical interactions in the air.

Uses Limestone cycle manufacture cement concrete glass ...
Uses Limestone cycle manufacture cement concrete glass ...

Power stations can be fitted ,acid, gas scrubbers eg removing the acidic sulfur dioxide with an alkaline mixture of ,water, mixed with powdered lime/,limestone,. An alkaline slurry (mixture of solid + powdered solid) of calcium hydroxide (calcium oxide + ,water,) is sprayed into …

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 ...

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.

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.

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.

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.

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 ...

Glossary of Water Resource Terms - Edwards Aquifer
Glossary of Water Resource Terms - Edwards Aquifer

the alkalinity in a ,water, sample measured by the amount of standard ,acid, needed to lower the pH to a level of 8.3 as indicated by the change of color of the phenolphthalein from pink to clear. ... refers to the rate at which ,limestone, allows the transmission of ,water,. ,Limestone, can be highly ... ,water, containing ,waste, including ...

Dictionary of Water Terms - USGS
Dictionary of Water Terms - USGS

alkalinity--the capacity of ,water, for neutralizing an ,acid, solution. alluvium--deposits of clay, silt, sand, gravel, or other particulate material that has been deposited by a stream or other body of running ,water, in a streambed, on a flood plain, on a delta, or at the base of a mountain.

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...

Limestone - Missouri Department of Natural Resources - DNR
Limestone - Missouri Department of Natural Resources - DNR

However, solubility increases dramatically with increasing ,water, acidity, which is accomplished by adding acids, either inorganic or organic, or by adding ,acid,-forming gasses such as carbon dioxide and the oxides of sulfur and nitrogen to ,water,. ,Limestone, dissolves readily and effervescently in strong acids with the generation of carbon dioxide ...

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

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 ...

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.

A study of the degradation of phenoxyacid herbicides at ...
A study of the degradation of phenoxyacid herbicides at ...

The biodegradation of three phenoxyalkanoic ,acid, herbicides, viz. MCPA, dichlorprop and mecoprop, under aerobic and anaerobic conditions was investigated using microcosm techniques. The field studies were conducted in a ,limestone, aquifer that had suffered contamination from leaking landfill sites in …

[5] 3. gY
[5] 3. gY

reacted with ,limestone, FGD processes LimeILimestone Sodium alkali Dual alkali Ammonia ... system Activated car- bon absorbation (Bergbau- Forschuing process) Dilute sulfuric ,acid, By-product and ,waste, Wet sludges or commertial gypsum ,Waste water, or ,waste, scrub- bing solution Wet sludge or commercial gY Psum Ammonium sulfate ...

ACID MINE DRAINAGE TREATMENT MECHANISMS
ACID MINE DRAINAGE TREATMENT MECHANISMS

LIMESTONE, DRAINS Engineered ... which removes ,acid, precipitants. They comprise of ,water, saturated soil sediments with supporting vegetation and naturally improve ,water, quality through physical, ... This is usually done by the active addition of carbonate minerals and hydroxide minerals onto ,waste, …

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City