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

deep well drilling waste liquid emission treatment technology inc

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.

deep well drilling waste liquid emission treatment technology inc
Review on biological wastewater treatment and resources ...
Review on biological wastewater treatment and resources ...

There are two common fixed-film systems that are used today for wastewater treatment; they are trickling filters, and rotating biological contactors (RBCs). Numerous investigations have used biofilms for the treatment of wastewater, and recovery of nutrient sources, heavy metals, and other pollutants ( Costley & Wallis 2001 ; Andersson et al. 2008 ; Chavan & Mukherji 2008 ; Schneider …

New trends in removing heavy metals from industrial wastewater
New trends in removing heavy metals from industrial wastewater

1/10/2011, · It is evident from the literature survey of 94 articles (1999–2008) that: lime precipitation has been found as one of the most effective conventional means to treat inorganic effluent with a metal concentration higher than 1000 mg/L; new adsorbents and membrane filtration are the most frequently studied and widely applied for the treatment of the heavy metal-contaminated wastewater; …

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · However, the effluent recycling system can increase energy consumption and cost due to additional equipment requirements. Therefore, a process to treat acidic wastewater without the addition of bases or effluent recycling would prove beneficial to small- and medium-scale treatment plants that wish to treat their highly acidic wastewater on-site.

CONSTRUCTED WETLANDS TO TREAT WASTEWATER
CONSTRUCTED WETLANDS TO TREAT WASTEWATER

Constructed wetlands are proving to be a valid treatment option for acid mine drainage, hazardous waste site wastewaters, petroleum refinery wastes, compost and landfill leachates, agricultural wastes and pre-treated industrial wastewaters, such as those from pulp …

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · FBRs have been used to treat different kinds of wastewater in the beverage, food processing, pharmaceutical, and chemical industries due to their capacity for biosolid retention [ 11 ].

Wastewater Treatment through Low Cost Adsorption ...
Wastewater Treatment through Low Cost Adsorption ...

7/4/2016, · In this case, counterions with lower K ps values are ,used,, for instance sulphide ions (S 2 −) are ,used, to improve the ,wastewater, treatment of waters containing mercury or cadmium. Most of the treatments employed in our country only consider a alkaline chemical treatment by contacting the acidic stream with CaCO 3 or CaO or Ca ( OH ) 2 raising the pH up to a point …

Flue Gas Desulfurization Wastewater Treatment Primer
Flue Gas Desulfurization Wastewater Treatment Primer

1/3/2009, · Ferric chloride acts as an acid, lowering the pH from the level used in desaturation. Additional acid may be added to optimize coagulation and metals removal.

Removal and Recovery of Lead Ions from Wastewater of Lead ...
Removal and Recovery of Lead Ions from Wastewater of Lead ...

4 and ,can be used, as eluant solution, was put into the ,w aste wa ter, stor ing pot constantl y to maintain the volume of ,wastewater,. In this process, the polyacrylic ,acid can, be retained by membrane and separated from the Pb2+ ion. Because volume of the eluant solution in which the polyacrylic ,acid, had been eliminated through the

Sci Forschen Water and Wastewater Treatment
Sci Forschen Water and Wastewater Treatment

27/1/2018, · treated and ,acid,-treated. These three types of adsorbents were ,used, to remove phosphorus and nitrogen from the ,wastewater,. Five factors were analysed in the experiment; type of adsorbent, dosage, particle size, contact time and rotational speed. The reading of total nitrogen (TN), total phosphorus (TP) and pH

Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Since heavy metal ions are non-biodegradable, they ,can, accumulate their amounts along the food chain. Therefore, it is critical necessary to remove or minimize the heavy metal ions in ,wastewater, systematically. In this article, we mainly introduce three commonly ,used, methods for heavy metal elimination: chemical precipitation, ion exchange, and adsorption.

Agricultural wastewater treatment - Wikipedia
Agricultural wastewater treatment - Wikipedia

Ascarid worms and their eggs are also common in piggery waste and can infect humans if wastewater treatment is ineffective. Silage liquor. Fresh or wilted grass or other green crops can be made into a semi-fermented product called silage which can be stored and used as winter forage for

Refined soybean oil wastewater treatment and its ...
Refined soybean oil wastewater treatment and its ...

1/11/2018, · The release of refined soybean oil ,wastewater, (RSOW) with a high chemical oxygen demand (COD) and oil content burdens the environment. The conversion of RSOW into lipids by oleaginous yeasts may be a good way to turn this waste into usable products. The oleaginous yeast Trichosporon fermentans was ,used, for treating the RSOW without sterilization, dilution, or nutrient supplementation.

CHARACTERIZATION AND PERFORMANCE EVALUATION OF …
CHARACTERIZATION AND PERFORMANCE EVALUATION OF …

in WABE can be used to treat wastewater. The development of recyclable flocculants could minimize the cost of flocculation and could solve the problem of exhausted flocculants disposal [8]. Therefore, the aim of this study was to investigate the potential of WABE as flocculants agent by treating real wastewater. 2. Materials and Methods

Sci Forschen Water and Wastewater Treatment
Sci Forschen Water and Wastewater Treatment

27/1/2018, · treated and acid-treated. These three types of adsorbents were used to remove phosphorus and nitrogen from the wastewater. Five factors were analysed in the experiment; type of adsorbent, dosage, particle size, contact time and rotational speed. The reading of total nitrogen (TN), total phosphorus (TP) and pH

Refined soybean oil wastewater treatment and its ...
Refined soybean oil wastewater treatment and its ...

1/11/2018, · In the process of wastewater treatment, a large amount of saturated fatty acids was bioconverted into UFAS by T. fermentans. The fatty acid composition of the microbial lipids was similar to that of vegetable oil, which is commonly used in biodiesel production.

A review of treating oily wastewater - ScienceDirect
A review of treating oily wastewater - ScienceDirect

1/5/2017, · Fungi, can, effectively reduce the chemical oxygen demand of water, polyvinyl alcohol with a bacterial cell, can, be, used, to secure the loop processing of, waste, and obtain a high, COD, removal. Studies show ( Li et al., 2005 ), that in the system the addition of nitrogen (such as ammonium sulfate) can increase the, COD, removal.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City