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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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Double-duty catalyst generates hydrogen fuel while ...
Double-duty catalyst generates hydrogen fuel while ...

Hydrogen, is a pollution-free energy source when it's extracted from water using sunlight instead of fossil fuels. But current strategies for 'splitting' or breaking apart water molecules with ...

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 , .

Wastewater Laboratory Procedures And Chemistry
Wastewater Laboratory Procedures And Chemistry

If the ,wastewater, is exposed to the atmosphere, H2S will be released and a typical rotten egg odor will be detected. Anaerobic bacteria found in ,wastewater, can liberate H2S from the solids. When the gas leaves the ,wastewater, stream and comes in contact with moisture and oxygen, sulfuric ,acid, is formed which is very corrosive to concrete.

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,.

7 DEWATS components & design principles
7 DEWATS components & design principles

In the main, ,wastewater, treatment is the degradation of organic compounds, and subsequent oxidisation of carbon (C) to carbon dioxide (CO 2), nitrogen (N) to nitrate (NO 3), phosphorus (P) to phosphate (PO 4) and sulphur (S) to sulphate (SO 4). ,Hydrogen, (H) is also …

A Review on Advanced Oxidation Processes for Effective ...
A Review on Advanced Oxidation Processes for Effective ...

This ozone decomposition process can be accelerated by escalating the pH or ,hydrogen, peroxide concentration. 26 It is well known that Ozone is the predominant disinfectant in water while OH and O 3 both act as oxidants in the oxidation process in water with O 3 being highly selective and * OH is being highly reactive. 26 Hence ozonation can simultaneously be used for disinfection and …

Technologies for Recovering Nutrients from Wastewater: A ...
Technologies for Recovering Nutrients from Wastewater: A ...

9/5/2019, · Phosphorus recovery. Williams et al. indicate that ∼15% of phosphate fertilizer demand can be satisfied by recovering phosphates ,from wastewater, treatment plants.Only 2% and 6% of foodborne nitrogen (N) and phosphorus (P), respectively, are retained in the body during human growth, and there is no net retention once the body is fully grown (Jönsson et al., 2004).

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

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.

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.

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 ...

Environments | Free Full-Text | Advances in Circular ...
Environments | Free Full-Text | Advances in Circular ...

This review systematically outlines the recent advances in the application of circular bioeconomy technologies for converting agricultural ,wastewater, to value-added resources. The properties and applications of the value-added products from agricultural ,wastewater, are first summarized. Various types of agricultural ,wastewater,, such as piggery ,wastewater, and digestate from …

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, …

Types of Biological Wastewater Treatment Methods
Types of Biological Wastewater Treatment Methods

Types of Biological Wastewater Treatment Methods,! Due to rapid change in industrialisation, huge volume of liquid effluent is generating which is a matter of concern. Liquid effluent treatment methods were developed in response to the concern for public health and the adverse conditions caused by the discharge of liquid effluents to the environment. ADVERTISEMENTS: To […]

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 ...

gaseous odorous pollutants in a wastewater treatment ...
gaseous odorous pollutants in a wastewater treatment ...

Actions can be taken to limit the emission of ,hydrogen, sulphide, i.e. by combating the formation of sulphides in the water by ,removing, the anaerobic conditions: injecting an oxidizing (e.g. H 2 O 2), injecting NO 3– (anoxia and not anaerobia), or by precipitating …

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.

Types of Biological Wastewater Treatment Methods
Types of Biological Wastewater Treatment Methods

Types of Biological Wastewater Treatment Methods,! Due to rapid change in industrialisation, huge volume of liquid effluent is generating which is a matter of concern. Liquid effluent treatment methods were developed in response to the concern for public health and the adverse conditions caused by the discharge of liquid effluents to the environment. ADVERTISEMENTS: To […]

Effluent Treatment Plant Design Operation And Analysis Of ...
Effluent Treatment Plant Design Operation And Analysis Of ...

These parameters are all used as a measure of the nutrientspresent in the ,wastewater,, as a high nutrient content can result in excessive plant growth inreceiving water bodies, subsequent oxygen removal and the death of aquatic life.pHpH is a measure of the concentration of ,hydrogen, ions in the ,wastewater, and gives anindication of how ,acid, or alkaline the ,wastewater, is.

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