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

extra deep well drilling residue harmless disposal technology 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.

extra deep well drilling residue harmless disposal technology ltd
(PDF) Anaerobic Treatment of a Petrochemical Wastewater ...
(PDF) Anaerobic Treatment of a Petrochemical Wastewater ...

Sedimentation resulted in 70% TSS and 37% COD removal. UASB digesters presented comparable treatment efficiencies with rather low COD removals: the best results were 46.4% for …

Neutralization of alkaline industrial wastewaters using ...
Neutralization of alkaline industrial wastewaters using ...

In the present study, generation of carboxylic ,acid, was found to be responsible for ,neutralization, of alkaline ,waste water, (Paavilainen et al., 1995; Kulshreshtha et al., 2010).

NATURA MONTENEGRINA Podgorica 2013 12(3-4): 995-1002 ...
NATURA MONTENEGRINA Podgorica 2013 12(3-4): 995-1002 ...

After ,neutralization, with CaO, the ,wastewater, from ,acid, sewer with 5 m3/h water flow continues in the equalization tank (P-6/EQ-101) where it is mixed together with the fecal ,wastewater, with quantity of 105 m3/h. After equalization procedure, the ,wastewater, is transported to three parallel bioreactors with dimensions of 1013 m3 each

Using Vitamin C to Neutralize Chlorine in Water Systems
Using Vitamin C to Neutralize Chlorine in Water Systems

Only one study (Tacoma Water Utility Report) evaluated the use of ascorbic acid to neutralize high levels of chlorine—up to 100 milligrams per liter. The Tacoma, WA, Water Utility Engineer recommends against using ascorbic acid to neutralize high levels of chlorine in large volumes of water because it lowers the pH of the treated water.

Volumetric Vinegar Analysis Essay - 1316 Words
Volumetric Vinegar Analysis Essay - 1316 Words

The solution NaOH was diluted to 8.3mL of 6M of NaOH to get 0.1M NaOH and placed in a flask with the oxalic ,acid, and phenolphthalein until it got balanced.The calculated molar concentration of acetic ,acid, was 0.06525M,average of three trials, which had a 3.9% acetic ,acid,.

MODELING & CONTROL pH NEUTRALIZATION PROCESS PILOT …
MODELING & CONTROL pH NEUTRALIZATION PROCESS PILOT …

Studies on dynamics and control of pH ,neutralization, have been carried out since 70’s until now due to its highly non-linear characteristic [4]. The problem that been faced is how to provide a good dynamic model of a pH ,neutralization, process. Thus, one of the main problems in this research was that the currently available model for pH

Waste management in the Wine Industry - SlideShare
Waste management in the Wine Industry - SlideShare

4 1.3 An Overview of Global Food Losses and Waste Almost one-third of food produced for human consumption, approximately 1.3 billion tonnes per year, which could feed the total global population of 7 billion, is either lost or wasted. Overall food loss primarily occurs in the production to retail phase of the food chain. Consumers in industrialized nations waste significantly more food than their counterparts …

2010 Annual Report | An Integrated Approach to ...
2010 Annual Report | An Integrated Approach to ...

Experiment, 11a and 12 were performed with Canola and calcium chloride at different pH conditions (≈7.0 and ≈10 respectively). Calcium hydroxide, being a strong alkali when added to water, was difficult to utilize when the target pH was 10 without adding a significant amount of concentrated hydrochloric ,acid, (,Experiment, 11b).

Adsorptive study of coagulation treatment of paint ...
Adsorptive study of coagulation treatment of paint ...

BEC extraction was based on modified ,report, of Sutherland . In this ,report,, 250 g of the BEF was initially soaked in excess ethanol while being stirred continuously for 90 min, after which the mixture was filtered with Whatman filter paper no. 3. The filtration residue was …

LAB REPORT CMT350.docx - OBJECTIVE To study the process ...
LAB REPORT CMT350.docx - OBJECTIVE To study the process ...

View LAB ,REPORT, CMT350.docx from CMT 200 at Universiti Teknologi Mara. OBJECTIVE To study the process analytical measurement of pH, ORP (REDOX), Conductivity, and Dissolved

Disposal of Waste Battery Electrolyte by Neutralization ...
Disposal of Waste Battery Electrolyte by Neutralization ...

4. After this electrolyte was kept stagnant for 2-3 hrs for complete settle down the heavy metal precipitate at the bottom of carboy. The solution was separated from precipitate

Disposal of Waste Battery Electrolyte by Neutralization ...
Disposal of Waste Battery Electrolyte by Neutralization ...

4. After this electrolyte was kept stagnant for 2-3 hrs for complete settle down the heavy metal precipitate at the bottom of carboy. The solution was separated from precipitate

NATURA MONTENEGRINA Podgorica 2013 12(3-4): 995-1002 ...
NATURA MONTENEGRINA Podgorica 2013 12(3-4): 995-1002 ...

After ,neutralization, with CaO, the ,wastewater, from ,acid, sewer with 5 m3/h water flow continues in the equalization tank (P-6/EQ-101) where it is mixed together with the fecal ,wastewater, with quantity of 105 m3/h. After equalization procedure, the ,wastewater, is transported to three parallel bioreactors with dimensions of 1013 m3 each

LAB REPORT CMT350.docx - OBJECTIVE To study the process ...
LAB REPORT CMT350.docx - OBJECTIVE To study the process ...

View LAB ,REPORT, CMT350.docx from CMT 200 at Universiti Teknologi Mara. OBJECTIVE To study the process analytical measurement of pH, ORP (REDOX), Conductivity, and Dissolved

Efficient Synthesis of α-FeOOH from Pickling Wastewater in ...
Efficient Synthesis of α-FeOOH from Pickling Wastewater in ...

The ,acid, pickling ,wastewater, requires ,neutralization,, filtration, sedimentation, and other purification processes to obtain the purified ferrous solution. First, 10 g of iron scraps was added to 500 mL of pickling ,wastewater, to neutralize the residual ,acid,. At the same time, the Fe …

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City