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

oil refinery projects

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 refinery projects
Need quick advice please - poured sulfuric acid into ...
Need quick advice please - poured sulfuric acid into ...

Recently, the bathroom (which is downstairs) has been backing up with the waste water from the kitchen sink (which is upstairs). I poured a, gallon of sulfuric acid, in the sink (again upstairs), waited 15 minutes as per the directions on the bottle, then ran some cold water. The water/acid mix backed up into the bathroom downstairs.

Reducing sewer corrosion through integrated urban water ...
Reducing sewer corrosion through integrated urban water ...

The presence of ,sulfate, in ,wastewater, and its conversion to sulfide in anaerobic sewers are generally considered unavoidable, and water utilities around the world have been focusing on the ,removal, of sulfide after its formation (3, 5–7), incurring mitigation costs comparable to the value of asset losses .

privatewell - DENR
privatewell - DENR

Nitrate,. ,Nitrate, is excess of 10 mg/L (as nitrogen) is of health significance to infants of six (6) months of age or less, and pregnant women. High ,nitrate, water should not be used for infant feeding or formula preparation. ,Nitrate, cannot be removed or reduced by boiling. Boiling will actually increase the concentration ,of nitrate, in the water.

wastewater | An-Najah Staff
wastewater | An-Najah Staff

The ,removal, of AR27 decreased with the increase in solution pH and temperature. Furthermore, the addition of chloride and ,nitrate, anions has no remarkable influence on AR27 ,removal, efficiency. On the other hand, the effects of ,sulfate, and bicarbonate anions on the ,removal, of AR27 were significant.

T E C H N I C A L M E M O R A N D U M Evaluation of Silica ...
T E C H N I C A L M E M O R A N D U M Evaluation of Silica ...

used for silica ,removal,. Each type of ion exchange is subject to resin fouling from silica and can experience chromatographic peaking as ,sulfate,, ,nitrate,, chloride or other more selective anions displace the silica. Bench Testing Bench testing of Electrocoagulation, Lime Softening, Precipitation, and flow through testing of Reverse

Available Online through Research Article www.ijptonline ...
Available Online through Research Article www.ijptonline ...

implement. The ,removal, and recovery conventional processes of phosphorus, ,nitrate, and organic matter such as oxidation with ozone, adsorption with activated carbon, clays and other adsorbent (3).biodegradation, coagulation and flocculation (9)and ion exchanger that are used in the ,wastewater, treatment facilities has several strong deficiencies.

ILSU LEE - Senior Environmental Engineer - Wood E&IS ...
ILSU LEE - Senior Environmental Engineer - Wood E&IS ...

• Nitrogen and phosphorus ,removal, from municipal and industrial ,wastewater, ... of in-situ bioremediation of ,underground sulfate, plume ... of perchlorate and ,nitrate removal, in membrane ...

Method and apparatus for bioremediation of mixed hazardous ...
Method and apparatus for bioremediation of mixed hazardous ...

A liquid substrate (i.e., mixed hazardous waste 50) comprising a dissolved ,sulfate, 51 and more moles of at least one dissolved electron donor with a molecular weight greater than that of acetic ,acid, (e.g., an aromatic hydrocarbon in mixed hazardous waste 50) than are required by ,sulfate,-reducing bacteria to biologically reduce at least a portion of the dissolved ,sulfate,, are delivered to first ...

CHAPTER 7
CHAPTER 7

ing ,underground, storage tank is shown in Figure 7.3. Because there are so many ,underground, storage tanks and only a small portion of them are corrosion resistant, the problem of leaking ,underground, storage tanks is a major source of diffuse pollution (Novotny, 2003). 7.3.3 Land Application of ,Wastewater

Membranes | Free Full-Text | Nitrate-Selective Anion ...
Membranes | Free Full-Text | Nitrate-Selective Anion ...

Nitrate, pollution in natural waters has become a worldwide issue, mainly caused by the abusive use of chemical fertilizers and insufficient ,wastewater, treatment [].The excessive concentration of nitrates in surface and groundwater causes the eutrophication of rivers and …

Guide to Laboratory Sink/Sewer Disposal of Wastes | Office ...
Guide to Laboratory Sink/Sewer Disposal of Wastes | Office ...

Only those organic compounds that are reasonably soluble in ,water, are suitable for ,sink,/sewer disposal. A compound is considered ,water, soluble if it dissolves to the extent of at least three percent. Chemicals listed below must be in concentrations of approximately one percent or less to be suitable for ,sink,…

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.

Fermentation Industry - JSTOR
Fermentation Industry - JSTOR

Sulfate, compounds are also common in fermentation industry ,wastewater,, particularly winery ,wastewater,, and identification of ap propriate treatment for these compounds is crucial toward ultimate disposal. Imai et al. (1998) developed a UAHB process to treat high strength fermentation ,wastewater, having elevated ,sulfate, and ammo Literature Review ...

Available Online through Research Article www.ijptonline ...
Available Online through Research Article www.ijptonline ...

implement. The ,removal, and recovery conventional processes of phosphorus, ,nitrate, and organic matter such as oxidation with ozone, adsorption with activated carbon, clays and other adsorbent (3).biodegradation, coagulation and flocculation (9)and ion exchanger that are used in the ,wastewater, treatment facilities has several strong deficiencies.

Minerals | Free Full-Text | Removal of Heavy Metals and ...
Minerals | Free Full-Text | Removal of Heavy Metals and ...

Heavy metal contamination is one of the most important environmental issues. Therefore, appropriate steps need to be taken to reduce ,heavy metals and metalloids, in water to acceptable levels. Several treatment methods have been developed recently to adsorb these pollutants. This paper reviews the ability of residuals generated as a by-product from the water treatment plants to adsorb heavy ...

Help Desk - The Water Network | by AquaSPE
Help Desk - The Water Network | by AquaSPE

Detection of ,underground, services (pipes / cables) and leak detection ... ,Sulfate, Radicals for Industrial ,Wastewater, Treatment Designing a RO system Bacteria Used for ,Wastewater, Treatment ... ,Nitrate removal, from ,waste water, generated at community urinals

Disposal of Laboratory Wastes: Requirements for Chemical ...
Disposal of Laboratory Wastes: Requirements for Chemical ...

Disposal should be followed by flushing with at least 100-fold excess of water at the sink. (That means for 100 ml of chemical disposed, run the water for about two minutes at maximum flow.) Note: Sulfuric, hydrochloric, acetic and, phosphoric acids, may be discharged in larger

Minerals | Free Full-Text | Removal of Heavy Metals and ...
Minerals | Free Full-Text | Removal of Heavy Metals and ...

Heavy metal contamination is one of the most important environmental issues. Therefore, appropriate steps need to be taken to reduce ,heavy metals and metalloids, in water to acceptable levels. Several treatment methods have been developed recently to adsorb these pollutants. This paper reviews the ability of residuals generated as a by-product from the water treatment plants to adsorb heavy ...

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City