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Treatment and measures of 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.

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Treatment and measures of fracturing flowback fluid
Hydrofluoric Acid (HF) Neutralization. pH Neutralization ...
Hydrofluoric Acid (HF) Neutralization. pH Neutralization ...

Hydrofluoric ,Acid, HF: With a pKa of 3.15 HF is considered a weak ,acid, in that it is not full disassociated below a pH of about 5.5 and will form complexes with many compounds including itself. Do not let the classification as a weak ,acid, fool you, HF is a very aggressive and dangerous ,acid,. HF is commercially available in concentrations ranging from 10% to 49% with 49% HF being the most common.

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

The ORP must be maintained above 800 mV and the pH around 8.5 for 30 to 60 minutes for this ,reaction, to occur. In some instances, this ,reaction, can take up to 120 minutes. It takes 7.5 and 8 parts of sodium hypochlorite and sodium ,hydroxide,, respectively, per part of cyanide to perform the oxidization of cyanide.

Purification of toxic wastewater
Purification of toxic wastewater

After that the sulfuric ,acid, (25%) was added to gain value pH 3. The Source of free hydroxyl radicals is hydrogen peroxide (30%). It is supposed that the hydrogen peroxide is wholy consumed after 15 minutes and the ,reaction, is finished. After the ,reaction, the model water is alkalized by water solution ,of calcium hydroxide, (c=100 g·l-1).

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Removal of boron from wastewater by precipitation of a ...
Removal of boron from wastewater by precipitation of a ...

Based on an industrial case, many methods were tested for the treatment of ,wastewater, containing 50 g L −1 of sulfuric ,acid, and 0.7 g L −1 of boron, and a well‐adapted precipitation process consisting of the neutralization of boric and sulfuric acids by powdered ,calcium hydroxide, is proposed.

Manganese LR - Hach
Manganese LR - Hach

Calcium, 1000 mg/L as CaCO 3 Cobalt 20 mg/L Copper 50 mg/L Hardness For samples that contain more than 300 mg/L hardness as CaCO 3, add 4 drops of Rochelle Salt Solution to the sample after the Ascorbic ,Acid, Powder Pillow is added. Iron 25 mg/L (If the sample contains more than 5 mg/L iron, increase the ,reaction, time to 10 minutes.)

Sulfuric acid - Wikipedia
Sulfuric acid - Wikipedia

Sulfuric acid, (American spelling) or sulphuric ,acid, (Commonwealth spelling), also known as oil of vitriol, is a mineral ,acid, composed of the elements sulfur, oxygen and hydrogen, with molecular formula H 2 SO 4.It is a colorless, odorless and viscous liquid that is miscible with water at all concentrations.. The ,acid, in pure form is highly corrosive towards other materials, as it is an oxidant ...

Differences between Hydrated lime and quicklime | Sodimate
Differences between Hydrated lime and quicklime | Sodimate

The main differences between hydrated lime and quicklime are their reactivity & their chemical composition. Hydrated lime and quicklime are both ,calcium, compounds. In its hydrated state, ,calcium, is called ,calcium hydroxide,, and in its pure state it is called ,calcium, oxide, or quicklime.. ,Calcium, oxide has a heavy density (65lb/ft³) and is more reactive than hydrated lime.

Biochar technology in wastewater treatment: A critical ...
Biochar technology in wastewater treatment: A critical ...

1/8/2020, · Biochar is a promising agent for ,wastewater, treatment, soil remediation, and gas storage and separation. This review summarizes recent research development on biochar production and applications with a focus on the application of ,biochar technology in wastewater treatment,.

Mechanism of Action of Calcium and Hydroxyl Ions of ...
Mechanism of Action of Calcium and Hydroxyl Ions of ...

The mechanism ,of calcium hydroxide, action can be altered in the presence of carbon dioxide (weak oxidec ,acid,) which, by means of chemical ,reaction,, transforms itself into ,calcium, carbonate. The product thus formed is devoid of biological and bacteriological properties due to pH exhaustion.

Top Neutralizer Of Acidic Wastewater: Aries 100 Mg(OH)2
Top Neutralizer Of Acidic Wastewater: Aries 100 Mg(OH)2

Calcium, sulfate is an insoluble compound formed when lime neutralizes sulfuric ,acid, and greatly increases sludge volumes generated in ,wastewater, treatment. The theoretical amounts of Aries 100 magnesium ,hydroxide, needed to neutralize sulfuric ,acid, and hydrochloric acids are compared to various alkalis on the chart following this discussion.

DETERIORATION OF WASTEWATER TREATMENT AND …
DETERIORATION OF WASTEWATER TREATMENT AND …

• ,Acid, – base ,reaction, ... ,ACID, ATTACK: Effects on Concrete pH • pH below 12.5 – potasium and sodium depletion • pH below 10.0 – ,calcium hydroxide, depletion ... • Suspended solids in flowing ,wastewater

Effective removal of calcium and magnesium sulfates from ...
Effective removal of calcium and magnesium sulfates from ...

nology Co., Ltd. Concentrated hydrochloric ,acid,, oxalic ,acid,, ,calcium hydroxide,, sodium phosphate, ammonium chloride, ,calcium, sulfate and magnesium sulfate were purchased from Sino-pharm Chemical Reagent Co., Ltd., China. All other chemicals were used without further puri cation. Real ,wastewater, sample was collected from the RE industry

Water Treatment Coagulation | Water Treatment | Waste ...
Water Treatment Coagulation | Water Treatment | Waste ...

The diluting water should be cold, because ,calcium hydroxide, is more soluble in cold water than in warm water. Quicklime is used in water softening plants and at large ,water treatment, plants because of its lower cost. Hydrated lime; Hydrated lime, also known as ,calcium hydroxide,, is a white powder formed when quicklime is slaked in water.

Sodium tripolyphosphate | Na5P3O10 - PubChem
Sodium tripolyphosphate | Na5P3O10 - PubChem

Sodium and potassium hexametaphosphates, polyphosphates, tripolyphosphates, pyrophosphates, and other phosphates used as water softeners form complexes with ,calcium, and, after ingestion, are capable of seriously reducing the serum level of ionic ,calcium,. They have less corrosive effect on mucous membranes than sodium or potassium ,hydroxide,.

Alkalinity Adjustments in my Wastewater Treatment Plant ...
Alkalinity Adjustments in my Wastewater Treatment Plant ...

While Magnesium ,Hydroxide, is the most difficult to store out of the three options presented, the benefits of alkalinity and pH stability will result in more consistent ,reaction, times and with its self-buffering properties, will maintain more stable environments for ,wastewater, treatment biological organisms to work as efficiently as possible – without killing them.

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