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

oil extraction wastewater reinjection control technology systems pvt ltd

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.

oil extraction wastewater reinjection control technology systems pvt ltd
(PDF) Current Technologies for Biological Treatment of ...
(PDF) Current Technologies for Biological Treatment of ...

The various chemicals such as biocides and stain repellents used for brightening, sequestering, anticreasing, sizing, softening, and wetting of the yarn or fabric are also present in ,wastewater, ...

HJ 2036-2013 PDF.
HJ 2036-2013 PDF.

6.1.2 ,Dye, industrial ,wastewater, treatment should be based on biological treatment and physicochemical treatment as a comprehensive treatment process. 6.1.3 It should be determined according to the current national and local pollutant discharge standards, the water quality ,characteristics, of ,wastewater, and the drainage direction after treatment.

Ammonium Nitrate - an overview | ScienceDirect Topics
Ammonium Nitrate - an overview | ScienceDirect Topics

S.B. DuTeaux, in Encyclopedia of Toxicology (Third Edition), 2014 ,Ammonium Nitrate, Characteristics. ,Ammonium nitrate, (NH 4 NO 3, CAS RN: 6484-52-2) is a crystalline powder varying in color from almost white to brown.It is classified as an oxidizer and will accelerate burning when involved in a fire. ,Ammonium nitrate, itself does not burn, but in contact with other combustible materials it ...

Enhanced treatment of dispersed dye-production wastewater ...
Enhanced treatment of dispersed dye-production wastewater ...

The detailed ,characteristics, of the dispersed ,dye,-production ,wastewater, are provided in Table 1. The molecular structures of the disperse dyes and their syntheses are shown in Fig. S3 .

Dyes and their removal technologies from wastewater: A ...
Dyes and their removal technologies from wastewater: A ...

1/1/2021, · Efficiency: 53%–61% (hydrolyzed ,dye,) 88–91% (unhydrolyzed ,dye,) for RB5 88%–93% for RR231 ,dye,. Coagulation : Condition: 1000 mg/L Moringa oleifera oilseed residues suspension stirred at rt. for 2 h, 0.1 g/L ,dye,.

Adsorption behaviors of acid dye by amphoteric chitosan ...
Adsorption behaviors of acid dye by amphoteric chitosan ...

The present research shows that CGMSs are an effective adsorbent for the removal of AR337 ,dye, from aqueous solution. The removal ,of Acid, Red ,dye, is pH dependent and the maximum removal was attained at pH 1 in the studied range. Pseudo-first-order, pseudo-second-order, and intraparticle diffusion models were used to fit the experimental kinetic data.

Zero Valent Iron Nanoparticle-Loaded Nanobentonite ...
Zero Valent Iron Nanoparticle-Loaded Nanobentonite ...

A zero valent iron-loaded nano-bentonite intercalated carboxymethyl chitosan (nZVI@nBent–CMC) composite was fabricated and characterized by FT-IR, TEM, TEM–EDX, XRD, BET surface area, and zeta potential measurements. The as-fabricated nZVI@nBent–CMC composite exhibited excellent ,removal, efficiency for both anionic Congo red (CR) dye and cationic crystal violet (CV) dye. The maximum ...

Biodecolourization and biodetoxification of dye-containing ...
Biodecolourization and biodetoxification of dye-containing ...

15/1/2019, · Four types of ,wastewater, using different compositions and dyes (,Acid, Red 357 and ,Acid, Orange 142) were produced and used in the assays. Three culture conditions were studied. The efficiency of the treatment was assessed in terms of biodecolourization, mycoremediation: reduction of chemical oxygen demand (COD), biological oxygen demand (BOD), total organic carbon (TOC) and …

(PDF) Textile dye wastewater characteristics and ...
(PDF) Textile dye wastewater characteristics and ...

27/11/2018, · Two different concentrations (7 mg/l and 215 mg/l) were used for each ,dye, at two different hydraulic retention times (48 h and 96 h). According to results for the low concentration of BR46, there ...

(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,…

Clean Technol. | Free Full-Text | Removal of Acid Dyes ...
Clean Technol. | Free Full-Text | Removal of Acid Dyes ...

Abstract. Fish scales (FS), a byproduct of the fish processing industry, are often discarded carelessly. In this present study, FS were used as a promising bio-sorbent for the removal of anionic ,acid, dyes (,acid, red 1 (AR1), ,acid, blue 45 (AB45) and ,acid, yellow 127 (AY127)) from the wastewaters of textile coloration.

Biodecolourization and biodetoxification of dye-containing ...
Biodecolourization and biodetoxification of dye-containing ...

15/1/2019, · Four types of ,wastewater, using different compositions and dyes (,Acid, Red 357 and ,Acid, Orange 142) were produced and used in the assays. Three culture conditions were studied. The efficiency of the treatment was assessed in terms of biodecolourization, mycoremediation: reduction of chemical oxygen demand (COD), biological oxygen demand (BOD), total organic carbon (TOC) and …

Biological treatment of textile dye Acid violet‐17 by ...
Biological treatment of textile dye Acid violet‐17 by ...

The objective of the reported study was to develop cheap and effective biological system for treatment of effluents containing intensely coloured ,Acid, violet‐17 ,dye, (AV‐17, a TPM ,dye,), which is the most commonly used ,dye, by textile processing industries (TPI) situated around the city of …

Bioflocculant production by Haloplanus vescus and its ...
Bioflocculant production by Haloplanus vescus and its ...

The highest flocculating rate of 81.86 and 95.07% for the COD and chroma of acid brilliant scarlet gelb rot (yellow/red, GR) dye wastewater were achieved at a dosage of 150 mg/L, pH 2.0 and contact time 100 min. Overall, these findings indicate bioflocculation offers an effective alternative method of decreasing acid brilliant scarlet GR during dye wastewater treatment.

Textile Dyes: Dyeing Process and Environmental Impact ...
Textile Dyes: Dyeing Process and Environmental Impact ...

Textile wastewaters are characterized by extreme fluctuations in many parameters such as chemical oxygen demand (COD), biochemical oxygen demand (BOD), pH, color and salinity. The composition of the wastewater will depend on the different organic-based compounds, chemicals and dyes used in the dry and wet-processing steps [ 6, 18 ].

Bioremediation and Detoxification of Synthetic Wastewater ...
Bioremediation and Detoxification of Synthetic Wastewater ...

25/7/2011, · Effective dye wastewater treatment using this isolate will demand the optimization of medium components and physicochemical conditions for maximum decolorization and detoxification. The advantages of this biological process are low cost, rapid degradation, and simple handling and, hence, could be applied to treat wastewater from dyeing and printing operations and in bioremediation of dye …

Textile dye wastewater characteristics and constituents of ...
Textile dye wastewater characteristics and constituents of ...

27/11/2018, · The artificial textile ,wastewater, contained the ,dye, maxilon red at two concentrations (25 mg/l and 50 mg/l), starch, lab lemco, diammonium phosphate, magnesium sulphate heptahydrate, calcium chloride, iron(II) sulphate heptahydrate, nickel(II) sulphate heptahydrate, manganese(II) chloride tetrahydrate, zinc sulphate heptahydrate, boric ,acid,, cobalt(II) chloride hexahydrate and copper(II) …

Textile Dye Removal from Wastewater Effluents Using ...
Textile Dye Removal from Wastewater Effluents Using ...

A pH of 7 was found to be optimum for the removal of both whale and mediblue dyes, while the optimum pH for fawn and mixed ,dye, removal was found to be between 9 and 10. Optimum temperature for whale and mediblue ,dye, removal was 35 °C, and that for fawn and mixed ,dye, varied between 40–45 °C and 35–40 °C, respectively.

Dyes and their removal technologies from wastewater: A ...
Dyes and their removal technologies from wastewater: A ...

1/1/2021, · Efficiency: 53%–61% (hydrolyzed ,dye,) 88–91% (unhydrolyzed ,dye,) for RB5 88%–93% for RR231 ,dye,. Coagulation : Condition: 1000 mg/L Moringa oleifera oilseed residues suspension stirred at rt. for 2 h, 0.1 g/L ,dye,.

Biological treatment of textile dye Acid violet‐17 by ...
Biological treatment of textile dye Acid violet‐17 by ...

The objective of the reported study was to develop cheap and effective biological system for treatment of effluents containing intensely coloured ,Acid, violet‐17 ,dye, (AV‐17, a TPM ,dye,), which is the most commonly used ,dye, by textile processing industries (TPI) situated around the city of …

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City