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

In the acid industrial wastewater of an enterprise

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.

In the acid industrial wastewater of an enterprise
A novel process for comprehensive resource utilization of ...
A novel process for comprehensive resource utilization of ...

5/3/2021, · After separating the APV ,wastewater, into two streams, V(V) in one stream is precipitated as ,iron, vanadate by addition of Fe 3+ while Cr(VI) in the other stream is reduced and precipitated as Cr(OH) 3, after which the two streams are mixed together to guarantee the complete conversion of V and Cr in both streams, resulting in the transfer of V and Cr in APV ,wastewater, into a solid waste called …

Wastewater treatment and reclamation: A review of pulp and ...
Wastewater treatment and reclamation: A review of pulp and ...

It is a highly energetic form of oxygen that has the capability of breaking down many hard-to-biodegrade ,organic, compounds found in pulping and bleaching wastewaters in two ways, directly reacting with dissolved substances, and indirectly producing hydroxyl radicals; the reaction is improved ,under, basic pH ,conditions,, without the need to apply ultraviolet light, use a catalyst, or add iron ...

DESIGEN OF WASTEWATER TREATMENT PLANT
DESIGEN OF WASTEWATER TREATMENT PLANT

4)Total nitrogen (TN), mg/ℓ : total nitrogen include ,organic, nitrogen, ammonia, nitrite, and nitrate. 5) PH:is indication of ,acidic, or basic natur e of ,wastewater,. a solution is neutral at PH 7. 1-3-3 Microbiological Quality: The municipal ,wastewater, contains microorganisms that play

WET2020-online Technical Program
WET2020-online Technical Program

Wastewater, Treatment at Various ,Organic, Loading Rates: Process Performance, Membrane Fouling Mechanisms, Response of Microbial Community 24 1D-07 OGAWA, Eriko (00022129) Adsorption Characteristics of Soluble Heavy Metals in Anaerobically Digested Sewage Sludge ,under Acidic Conditions, by Fibrous Chelating Agent 25 1D-08 GAMBOA, Maribet

A review on the occurrence of micropollutants in the ...
A review on the occurrence of micropollutants in the ...

1/3/2014, · The attached growth processes offer the following advantages over activated sludge processes in ,wastewater, treatment (Guo et al., 2012): 1) better oxygen transfer, high nitrification rate and higher biomass concentrations; 2) more effective in ,organic, removal, and can apply for high ,organic, loading rates at relatively shorter HRT; 3) allowing the development of microorganisms with relatively ...

Minerals | Free Full-Text | Study on Chromaticity Removal ...
Minerals | Free Full-Text | Study on Chromaticity Removal ...

Under, the detection ,conditions,, comparing the HPLC chromatogram of the effluent, the salicylic hydroxamic acid ,wastewater, oxidated by O 3 after 5, 10, 20, and 40 min, the types of residual intermediate products were listed as follows: salicylic hydroxamic acid was mainly degraded to salicylic acid, o-benzoquinone, and catechol after 5 min ozonation.

Slaughterhouse Wastewater: Treatment Management and ...
Slaughterhouse Wastewater: Treatment Management and ...

18/4/2016, · The meat processing industry is one of the largest consumers of total freshwater used in the agricultural and livestock industry worldwide. Meat processing plants (MPPs) produce large amounts of slaughterhouse ,wastewater, (SWW) because of the slaughtering process and cleaning of facilities. SWWs need significant treatment for a sustainable and safe discharge to the environment due to the high ...

Why and how to treat urban wastewater? - Encyclopedia of ...
Why and how to treat urban wastewater? - Encyclopedia of ...

The COD/BOD 5 ratio of raw urban ,wastewater, (2 to 2.5) indicates that ,organic, pollution can be easily removed biologically in a ,wastewater, treatment plant. Nitrogen Kjeldahl [6] (NK) takes into account the total content ,of organic, nitrogen (included in urea, amino acids, proteins…) and ammoniacal nitrogen (N …

The Making Shaping and Treating of Steel: Steelmaking and ...
The Making Shaping and Treating of Steel: Steelmaking and ...

2.3.2 Transport Properties 2.3.3 Pore Diffusion 2.4 Properties of Molten ,Steel, 2.4.1 Selected Thermodynamic Data 2.4.2 Solubility of Gases in Liquid ,Iron, 2.4.3 ,Iron,-Carbon Alloys 2.4.4 Liquidus Temperatures of Low Alloy Steels 2.4.5 Solubility of ,Iron, Oxide in Liquid ,Iron, 2.4.6 Elements of Low Solubility in Liquid ,Iron, 2.4.7 Surface Tension 2.4.8 Density 2.4.9 Viscosity 2.4.10 Diffusivity ...

A novel process for recovery of iron titanium and ...
A novel process for recovery of iron titanium and ...

15/1/2013, · In the NaOH molten salt roasting ,process,, the metallic ,iron, is oxidized into ferriferous oxide, MgTi 2 O 5 and M 3 O 5 were converted to Na 2 TiO 3 and NaMO 2, respectively. (3) In the water leaching ,process,, Na + is exchanged with H + , and the crystal structures of the Na 2 TiO 3 is converted to undefined structure of H 2 TiO 3 , and NaMO 2 is converted to α-NaFeO 2 -type structure of HMO 2 .

Electrochemical technologies for wastewater treatment and ...
Electrochemical technologies for wastewater treatment and ...

Under, optimal ,conditions,, FEE reached up to 98%, at an energy consumption of 6.49 kW h kg −1. This electrolysis system was proposed to remediate groundwater contaminated by chlorinated ,organic, solvents or ,wastewater, contaminated with chlorinated compounds. 314

Leachate - Wikipedia
Leachate - Wikipedia

A ,leachate, is any liquid that, in the course of passing through matter, extracts soluble or suspended solids, or any other component of the material through which it has passed.. ,Leachate, is a widely used term in the environmental sciences where it has the specific meaning of a liquid that has dissolved or entrained environmentally harmful substances that may then enter the environment.

General Presentation - ISIJ
General Presentation - ISIJ

Development of continuous ,desiliconization process, in hot metal runner at blast furnace. Hot metal dephosphorization technique for getting the lower final phosphorus content utilizing the FeO dynamic control. Effect of temperature and slag composition on P2O5 condensation behavior in solid 2CaO%SiO2.

Flotation Froth - an overview | ScienceDirect Topics
Flotation Froth - an overview | ScienceDirect Topics

Froth ,flotation, is a process that selectively separates materials based upon whether they are water repelling (hydrophobic) or have an affinity for water (hydrophilic). Importantly, the word ,flotation, is also used in the literature to describe the process in density separation in which lighter microplastics float to the surface of a salt solution.

Treatment of fish processing industry wastewater using ...
Treatment of fish processing industry wastewater using ...

In the treatment of paper mill ,wastewater,, with use of AOP (UV + H 2 O 2) within 45 min of reaction time, BI increases from 0.21 to 0.7 (Jamil et al. 2011). In the treatment of coking ,wastewater,, the BOD 5 /COD ratio increased from 0.163 to 0.224 after 4 hr of UV treatment, and toxicity also decreased due to COD reduction (Xing et al. 2015).

CN100564267C - Produce the method for iron oxide black ...
CN100564267C - Produce the method for iron oxide black ...

A kind of is the method for raw material production ,iron, oxide black with the ,desiliconization, mud cake, may further comprise the steps: (1) system ferrous ,iron, solution; (2) ,iron, oxide yellow crystal seed preparation; (3) ,desiliconization, mud cake pre-treatment; (4) oxidation slurrying; (5) synthetic; (6) sieve; (7) press filtration; (8) oven dry; (9) check, packing.The present invention is the raw material production ,iron, oxide black with ,steel, mill's spent pickle liquor ,desiliconization, …

General Characteristics and Treatment Possibilities of ...
General Characteristics and Treatment Possibilities of ...

Both indicators are reduced by over 95%, while TKN is decreased by more than 96 and TP by 80%. ,Under, aerobic ,conditions,, the indigenous microflora composed of lactic acid bacteria may reach over 10 9 CFU/mL, which will downgrade CIP-induced alkaline pH variations . Various alternatives for aerobic treatment of dairy effluents are also used.

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.

(PDF) Standard Methods For the Examination of Water and ...
(PDF) Standard Methods For the Examination of Water and ...

Standard Methods For the Examination of Water and Wastewater,, 23nd edition, 2017. Toan Tran. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 32 Full PDFs related to this paper. READ PAPER. ,Standard Methods For the Examination of Water and Wastewater,…

Combining Electrocatalysts and Biobased Adsorbents for ...
Combining Electrocatalysts and Biobased Adsorbents for ...

Efficient treatment of domestic and industrial ,wastewater, is one of the major challenges of the 21st century. Among the inorganic pollutants, nitrogen species are significant contaminants and the management of the nitrogen cycle is one the most crucial parts of ,wastewater, purification. Herein, we report an integrated method that minimizes the amount of chemicals used, can be empowered by ...

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City