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CR treatment of industrial 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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CR treatment of industrial acid wastewater
Ammonia - Wikipedia
Ammonia - Wikipedia

Ammonia, is a compound of nitrogen and ,hydrogen, with the formula NH 3.A stable binary hydride, and the simplest pnictogen hydride, ,ammonia, is a colourless gas with a distinct characteristic of a pungent smell. It is a common nitrogenous waste, particularly among aquatic organisms, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to ...

Water purification - Wikipedia
Water purification - Wikipedia

Water purification, is the process ,of removing, undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes. Most water is purified and disinfected for human consumption (drinking water), but ,water purification, may also be carried out for a variety of other purposes, including medical, pharmacological, chemical ...

BOD and COD Removal Hydrogen Peroxide - Knowledge ...
BOD and COD Removal Hydrogen Peroxide - Knowledge ...

Step-2: partially oxidized species + H2O2 ---> CO2 + H2O + inorganic salts. The extent of oxidation (and therefore the degree of direct BOD/COD reduction) typically depends on the amount of ,hydrogen, peroxide used. The theoretical ,hydrogen, peroxide requirement is about 2.1 lbs (as 100%) per lb-BOD and COD oxidized.

Treatment of brewery wastewater using electro-Fenton and ...
Treatment of brewery wastewater using electro-Fenton and ...

Ngene, & Tenebe, 2017). The electro-Fenton (EF) method is based on the ,principle, of ionization, oxi-dation, and separation of ,wastewater, constituents at atomic level using electric currents (electroly-sis) while activated carbon employs the ,principle, of surface adsorption (Atallah Aljubourya,

AMMONIA REMOVAL FROM WASTEWATER Dr. Rakesh Govind
AMMONIA REMOVAL FROM WASTEWATER Dr. Rakesh Govind

This ,principle, can be used to separate any dissolved gas, such as ammonia, ,hydrogen, sulfide, carbon dioxide or oxygen. Table 1 below gives some of the advantages of using a membrane

Odor and Volatile Organic Compound Removal from Wastewater ...
Odor and Volatile Organic Compound Removal from Wastewater ...

of ,hydrogen, sulfide and volatile organic compounds (VOCs) ,from wastewater, treatment plant waste air. The biofilter was designed for spatially separated removal of pollutants to mitigate the effects of ,acid, production resulting from ,hydrogen, sulfide oxidation. The inlet section of the upflow units was designated for ,hydrogen, sulfide removal and the

Introduction to Electrolysis Electrolysers and Hydrogen ...
Introduction to Electrolysis Electrolysers and Hydrogen ...

The ,principle, behind any ,hydrogen, production method is to efficiently remove the ,hydrogen, and exclude other elements present in the original compound. In most fossil fuels, ,hydrogen, is a major constituent and some have high ,hydrogen, to oxygen ratios, making them good candidates for ,hydrogen, production.

Recent Development in Ammonia Stripping Process for ...
Recent Development in Ammonia Stripping Process for ...

The ammonia stripping process is based on the ,principle, of mass transfer. It is a process, by which ,wastewater, is contacted with air to strip the ammonia gas present in the ,wastewater,. The presence of ammonia in ,wastewater, can be found in two forms, namely, ammonium ions and ammonia gas.

Treatment methods for the removal of phenol from water- A ...
Treatment methods for the removal of phenol from water- A ...

extracting solvent for the treatment of the coal gasification ,wastewater, containing 5000 mg/L phenols and 20,000 mg/L COD. The results of the trial plant showed that more than 93% of the phenol in the ,wastewater, was recovered, which was a by-product with economic benefit[21]. C. Ion exchange process

Introduction to Electrolysis Electrolysers and Hydrogen ...
Introduction to Electrolysis Electrolysers and Hydrogen ...

The ,principle, behind any ,hydrogen, production method is to efficiently remove the ,hydrogen, and exclude other elements present in the original compound. In most fossil fuels, ,hydrogen, is a major constituent and some have high ,hydrogen, to oxygen ratios, making them good candidates for ,hydrogen, production.

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · When chlorine gas is dissolved in wastewater, it rapidly hydrolyzes to hydrochloric acid (HCl) and hypochlorous acid (HOCl) as shown in the following chemical equation: Cl 2 +H 2 O ↔ H + +Cl - …

Hexanoic acid | C6H12O2 - PubChem
Hexanoic acid | C6H12O2 - PubChem

Hexanoic acid, is a C6, straight-chain saturated fatty ,acid,. It has a role as a human metabolite and a plant metabolite. It is a straight-chain saturated fatty ,acid, and a medium-chain fatty ,acid,.

Recent Development in Ammonia Stripping Process for ...
Recent Development in Ammonia Stripping Process for ...

The system also comprised of a heater to heat the ,wastewater, at 38°C and ammonia recovery via absorption with sulphuric ,acid,. Lastly, the effluent was neutralized after adding sulphuric ,acid,. As a result, they found that the ammonia stripping system for groundwater polluted with leachate displayed removal efficiency of 95.4% with initial ammonia concentration at 199.0 mg/L.

REMOVAL OF METALS FROM INDUSTRIAL WASTEWATER
REMOVAL OF METALS FROM INDUSTRIAL WASTEWATER

5.1.2.2 Hydroxide Precipitation. This process uses polymers and a variety of coagulants, for example, iron, salts, and alum for more efficient removal of heavy metal ,from wastewater,. Processes like sedimentation and filtration lead to precipitation of soluble metals as hydroxide.

Carbon capture storage and utilisation technologies: A ...
Carbon capture storage and utilisation technologies: A ...

1/3/2015, · CCS and CCU aim to capture CO 2 emissions from point sources such as power plants and industrial processes, to prevent the release into the atmosphere .The difference between CCS and CCU is in the final destination of the captured CO 2.In CCS, captured CO 2 is transferred to a suitable site for long-term storage , , , , , , , while in CCU, captured CO 2 is converted into commercial products , .

Principle and Process of Heavy Metal Removal from Sewage ...
Principle and Process of Heavy Metal Removal from Sewage ...

This study shows that heavy metals in sewage sludge can be removed easily by treating a sludge filter cake with phosphoric ,acid, containing ,hydrogen, peroxide for 1 h at room temperature.

Effects of microplastics on wastewater and sewage sludge ...
Effects of microplastics on wastewater and sewage sludge ...

15/2/2020, · ZnCl 2, NaI and CaCl 2 can be used to extract microplastics from sludge. They all rely on density-based extraction techniques, which use density differences between sludge and microplastics to separate them. When sludge samples are placed in high density salt solution, plastic particles tend to float to the surface of the solution, while denser sludge materials remain at the bottom of the ...

Myristic acid | C14H28O2 - PubChem
Myristic acid | C14H28O2 - PubChem

Tetradecanoic ,acid, is a straight-chain, fourteen-carbon, long-chain saturated fatty ,acid, mostly found in milk fat.It has a role as a human metabolite, an EC 3.1.1.1 (carboxylesterase) inhibitor, a Daphnia magna metabolite and an algal metabolite.

Sewage treatment - Wikipedia
Sewage treatment - Wikipedia

Sewage treatment, is the process ,of removing, contaminants from domestic and municipal ,wastewater,, containing mainly household sewage plus some industrial ,wastewater,.Physical, chemical, and biological processes are used to remove contaminants and produce treated ,wastewater, (or treated effluent) that is safe enough for release into the environment.

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