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Acid wastewater discharged from a workshop

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 discharged from a workshop
What is an Ion Exchange System and How Does it Work ...
What is an Ion Exchange System and How Does it Work ...

19/10/2020, · When the ion exchange process is no longer functioning properly, the resins can be recharged with sulfuric acid, sodium chloride, sodium hydroxide, or hydrochloric acid. Keep in mind that the overall effectiveness of your ion exchange system when used to …

6 Kinds of Chemicals Used in Wastewater Treatment
6 Kinds of Chemicals Used in Wastewater Treatment

The most ,used acid, is Sulfuric ,Acid,. This is due to its cost, abundance, and effectiveness in adjusting the pH level. Other acids that are ,used, include Hydrochloric ,Acid, and Phosphoric ,Acid, . As far as bases, some common chemicals that are effective are ,Sodium Hydroxide,, Calcium ,Hydroxide, …

Typical Wastes Generated by Industry Sectors | Hazardous ...
Typical Wastes Generated by Industry Sectors | Hazardous ...

26/11/2019, · Benzene, phosphoric ,acid,, hydrochloric ,acid,, hydrofluoric ,acid,, ,sodium hydroxide,, heavy metals, petroleum distillates, and spent rags and wipes. D001, D002, D018, D008, and F001. Ship hazardous waste using a registered transporter to a hazardous waste TSDF for treatment and disposal. Reclaim ,used, solvents on site, or contract with a recycling ...

Analysis of Cyanide (Total Weak Acid Dissociable and ...
Analysis of Cyanide (Total Weak Acid Dissociable and ...

Sodium, thiosulfate ,can, also ,be used, instead of ,sodium, arsenite. Add small portions (0.02 g/L), with re-testing after each addition. Do not add excess ,sodium, thiosulfate. To determine chlorine < 2 mg/L use a DPD colourimetric method (APHA 4500-Cl.G) and add a stoichiometric amount of ,sodium, thiosulfate solution (APHA 4500- Cl.B.2d).

Sodium hypochlorite - Wikipedia
Sodium hypochlorite - Wikipedia

Sodium hypochlorite, (commonly known in a dilute solution as bleach) is a chemical compound with the formula NaOCl or NaClO, comprising a ,sodium, cation (Na +) and a hypochlorite anion (OCl − or ClO −It may also be viewed as the ,sodium, salt of hypochlorous ,acid,.The anhydrous compound is unstable and may decompose explosively. It ,can, be crystallized as a pentahydrate NaOCl ·5 H

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

During oil and natural ,gas production,, so-called “produced water” comprises the largest byproduct stream. In addition, many oil and gas operations are augmented via injection of hydraulic fracturing (HF) fluids into the formation. Both produced water and HF fluids may contain hundreds of individual chemicals, some known to be detrimental to public health and the environment.

What is Chlorination? — Safe Drinking Water Foundation
What is Chlorination? — Safe Drinking Water Foundation

23/1/2017, · ,Sodium, hypochlorite (NaOCl) is made up of the ,sodium, salts of hypochlorous ,acid, and is a chlorine-containing compound that ,can be used, as a disinfectant. It is produced when chlorine gas is dissolved into a ,sodium hydroxide, solution. It is in liquid form, clear with a light yellow color, and has a strong chlorine smell.

Sodium hypochlorite | NaOCl - PubChem
Sodium hypochlorite | NaOCl - PubChem

Soln of ,sodium hypochlorite, containing 0.45-0.50 g of the salt in 100 ml. Prepd by diluting with distilled water a soln of ,sodium hypochlorite,, adding a 5% soln of ,sodium, bicarbonate, nad adjusting to proper strength and concn according to procedure described in N.F. May be prepared also from 15.4 g chlorinated lime (30% available chlorine), 7.7 g anhydrous ,sodium, carbonate, and 6.4 g ,sodium, ...

Catalytic Ozonation to Treat Wastewater
Catalytic Ozonation to Treat Wastewater

less toxic and harmful to environment. Ozone is widely ,used, as an effective oxidant ,to treat wastewater,. Some of the intermediates like aldehydes and carboxylic acids are formed during ozonation process, which are not react with ozone. So complete mineralization of refractory compounds is not possible by using this process.

Sodium hydroxide | NaOH - PubChem
Sodium hydroxide | NaOH - PubChem

The organic chemical industry uses ,sodium hydroxide, for saponification reactions, production of nucleophilic anionic intermediates, etherification and esterification, basic catalysis, and the production of free organic bases. ,Sodium hydroxide, solution is ,used, for scrubbingwaste gases and neutralizing ,wastewater,.

Treatment of gas well production wastewaters - ProChemTech ...
Treatment of gas well production wastewaters - ProChemTech ...

Chemicals that ,can, be added to first process tank 110 ,can, include potassium permanganate, sulfuric ,acid,, and ,sodium hydroxide,. Chemical additions ,can, be in amounts sufficient to maintain the ,wastewater, in an oxidized condition and within the pH range of from 3.0 to 3.5.

SODIUM CYANIDE : Systemic Agent - CDC
SODIUM CYANIDE : Systemic Agent - CDC

Sodium cyanide, is ,used, commercially for fumigation, electroplating, extracting gold and silver from ores, and chemical manufacturing. Hydrogen cyanide gas released by ,sodium cyanide, has a distinctive bitter almond odor (others describe a musty “old sneakers smell”), but a large proportion of people cannot detect it; the odor does not provide adequate warning of hazardous concentrations.

Magnesium hydroxide - Wikipedia
Magnesium hydroxide - Wikipedia

Magnesium hydroxide, is ,used, in suspension as either an antacid or a laxative, depending on concentration. As an antacid, ,magnesium hydroxide, is dosed at approximately 0.5–1.5 g in adults and works by simple neutralization , by which the ,hydroxide, ions from the Mg(OH) 2 combine with acidic H + ions produced in the form of hydrochloric ,acid, by parietal cells in the stomach , to produce water.

water treatment - coagulation-flocculation typical ...
water treatment - coagulation-flocculation typical ...

It produces good results mainly when combined with aluminium sulphate in cold water. Not very stable, activated silica must be prepared immediately before use by partly neutralising the alkalinity of a sodium silicate solution. H 2 SO 4 is the customary acidifying agent but we …

Wastewater Treatment | Coagulants & Flocculants | USALCO
Wastewater Treatment | Coagulants & Flocculants | USALCO

As a ,wastewater treatment, solutions provider, USALCO ® offers a complete aluminum portfolio to municipalities and companies ,to treat, sewage and industrial waste.. Much of ,wastewater, produced today is contaminated with both soluble and insoluble impurities such as suspended solids, organics, pathogens, metals, nutrients and other priority pollutants that must be removed prior to discharge back ...

Sodium hydroxide | NaOH - PubChem
Sodium hydroxide | NaOH - PubChem

The organic chemical industry uses sodium hydroxide for saponification reactions, production of nucleophilic anionic intermediates, etherification and esterification, basic catalysis, and the production of free organic bases. Sodium hydroxide solution is used …

Removal of heavy metal ions from wastewaters: A review ...
Removal of heavy metal ions from wastewaters: A review ...

1/3/2011, · The metal hydroxides ,can, be removed by flocculation and sedimentation. A variety of hydroxides has been ,used, to precipitate metals from ,wastewater,, based on the low cost and ease of handling, lime is the preferred choice of base ,used, in ,hydroxide, precipitation at industrial settings (Baltpurvins et al., 1997) .

FLUORIDE WASTEWATER TREATMENT (FWT)
FLUORIDE WASTEWATER TREATMENT (FWT)

A white paper by Wastech Controls & Engineering, Inc. HF, or Hydrofluoric ,Acid,, is a high-volume chemical that is extremely corrosive. It is miscible with water with the release of heat and an acrid, irritating odor, forming a clear, colorless liquid. HF is a significant health hazard as a liquid, even in diluted quantities.

Is Sodium Hypochlorite The Best Way To Treat Water For The ...
Is Sodium Hypochlorite The Best Way To Treat Water For The ...

Sodium, hypochlorite is caustic and ,can, irritate, even burn, the eyes and skin on contact, so it needs to be handled by trained staff using protective gear. The need for controlled storage is one of the main drawbacks of using ,Sodium, Hypochlorite, along with the health and safety protocols involved.

water treatment - coagulation-flocculation typical ...
water treatment - coagulation-flocculation typical ...

It produces good results mainly when combined with aluminium sulphate in cold water. Not very stable, activated silica must be prepared immediately before use by partly neutralising the alkalinity of a sodium silicate solution. H 2 SO 4 is the customary acidifying agent but we …

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