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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.

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Constructed Wetlands - Water Canada
Constructed Wetlands - Water Canada

Treatment, wetlands represent green infrastructure, proving a long-term sustainable ,wastewater, management appropriate to communities throughout the country. Scott Wallace, P.E., is a principal with Stantec Consulting. He’s an expert on ,constructed wetland, design and consults on a wide variety of projects throughout North America.

Constructed Wetlands for Wastewater Treatment ...
Constructed Wetlands for Wastewater Treatment ...

These constructed wetlands replace the secondary activated sludge process in a wastewater treatment plant. Constructed wetlands have been used to treat a variety of wastewaters including urban runoff, municipal, industrial, agricultural and acid mine drainage (15).

A Constructed Wetland as a Reliable Method for Wastewater ...
A Constructed Wetland as a Reliable Method for Wastewater ...

26/7/2017, · ,Constructed, wetlands can similarly do the optimal ,treatment, conditions found in natural wetlands but provide the flexibility of being constructible at almost any location and can be used for primary and secondary ,wastewater treatment, as well as waters from variety of other sources including storm waters, landfill leachate, industrial and agricultural wastewaters, and ,acid,-mine drainage.

(PDF) Municipal and Industrial Wastewater Treatment Using ...
(PDF) Municipal and Industrial Wastewater Treatment Using ...

Constructed wetlands are being widely used for treating many classes of contaminants such as heavy metals, domestic and industrial wastewater, textile dye effluents, pesticides, petroleum...

Technical and Regulatory Guidance Document for Constructed ...
Technical and Regulatory Guidance Document for Constructed ...

decisions about the use of ,constructed treatment wetland, systems. While there is extensive ... this technology is now emerging as a valid ,treatment, option for a variety of waste streams, including ,acid, mine water, remedial wastewaters, and agriculture waste streams. ... 4.4 Industrial ,Wastewater Treatment, ...

Constructed Wetlands for Wastewater Treatment
Constructed Wetlands for Wastewater Treatment

Constructed treatment wetlands have evolved during the last five decades into a reliable treatment technology which can be applied to all types of wastewater including sewage, industrial and agricultural wastewaters, landfill leachate and stormwater runoff.

Recent Advances in Application of Constructed Wetland ...
Recent Advances in Application of Constructed Wetland ...

constructed, to mimic natural ,wetland, systems for treating ,wastewater, (Wu et al., 2015). These systems are mainly comprised of vegetation, substrates, soils, microorganisms and water. As inspired by the simulations on natural ,wetland,, the ,wastewater, purification in a ,constructed wetland treatment, system is achieved by the triple

Acid Mine Drainage Treatment Using Constructed Wetland
Acid Mine Drainage Treatment Using Constructed Wetland

In addition, constructed wetlands have been recently used for treating various wastewater types including point source domestic sewage, acid mine drainage, agricultural wastewater, landfill leachate, and non-point source storm water runoff.

Constructed Wetland - an overview | ScienceDirect Topics
Constructed Wetland - an overview | ScienceDirect Topics

Constructed wetlands or treatment wetlands are artificial wetlands that are used for treating organic, inorganic and excess nutrient contaminants in surface water, municipal wastewater, domestic sewage, refinery effluents, acid uranium mine drainage or landfill leachate.

Constructed Wetlands for Wastewater Treatment ...
Constructed Wetlands for Wastewater Treatment ...

These constructed wetlands replace the secondary activated sludge process in a wastewater treatment plant. Constructed wetlands have been used to treat a variety of wastewaters including urban runoff, municipal, industrial, agricultural and acid mine drainage (15).

WETLANDS CONTRUCTED WETLANDS AND THEIR'S ROLE IN ...
WETLANDS CONTRUCTED WETLANDS AND THEIR'S ROLE IN ...

Constructed wetlands, as treatment systems that use natural processes, are very adequate and highly efficient, low cost way in wastewater treatment for small communities, point pollution sources, depending, of course on conditions and adequate land spaces near those places. Some examples from Serbia of this way and approach are shown.

Water | Free Full-Text | Treatment of Winery Wastewater ...
Water | Free Full-Text | Treatment of Winery Wastewater ...

This paper reports a study on the performance of a multistage constructed wetland (CW) system adopted for winery wastewater and on the analysis of its suitability for irrigation reuse. The CW system treats about 3 m 3 ·day −1 of wastewater produced by a small winery located in Sicily (insular Italy).

Constructed Wetlands: Unlocking Water Treatment Technology ...
Constructed Wetlands: Unlocking Water Treatment Technology ...

By Adrian Irimia, Georg StockingerConstructed Wetlands: Unlocking Water Treatment Technology At Shell. Constructed Wetlands (CW) or engineered wetlands are water and wastewater treatment technologies well established in runoff control, acid mine water treatment, septage waste, sewage treatment and other applications.

Potential Use and Challenges of Constructed Wetlands for ...
Potential Use and Challenges of Constructed Wetlands for ...

Constructed, wetlands (CWs) can be defined as man-made, engineered systems designed and ,constructed, to use ,wetland, vegetation, soils, and related microbial assembly and natural processes to support the ,treatment, of ,wastewater, by optimizing the physical, chemical, and biological processes that occur in natural ,wetland, ecosystems .

Wastewater Treatment Using Constructed Wetlands
Wastewater Treatment Using Constructed Wetlands

1. ,WASTEWATER TREATMENT USING CONSTRUCTED WETLANDS, Macrophytes Floating Filter (FMF) Helophytes Semi-submerged Filter (FHS) José de Miguel Muñoz Eduardo Casado Fernández. 2. ,WETLAND, ZONES Phreatic level Photic Zone Pleuston Limnos Bentos Deep Zone Transition zone Nearest medium Furthest Coastal Zone Pel agic Zone (open waters) Transition zone.

WETLANDS CONTRUCTED WETLANDS AND THEIR'S ROLE IN ...
WETLANDS CONTRUCTED WETLANDS AND THEIR'S ROLE IN ...

Constructed wetlands, as treatment systems that use natural processes, are very adequate and highly efficient, low cost way in wastewater treatment for small communities, point pollution sources, depending, of course on conditions and adequate land spaces near those places. Some examples from Serbia of this way and approach are shown.

(PDF) Constructed Wetlands for Wastewater Treatment
(PDF) Constructed Wetlands for Wastewater Treatment

The first experiments using wetland macrophytes for wastewater treatment were carried out in Germany in the early 1950s. Since then, the constructed wetlands have evolved into a reliable wastewater...

Acid Mine Drainage Treatment Using Constructed Wetland
Acid Mine Drainage Treatment Using Constructed Wetland

In addition, constructed wetlands have been recently used for treating various wastewater types including point source domestic sewage, acid mine drainage, agricultural wastewater, landfill leachate, and non-point source storm water runoff.

Constructed Wetlands for Wastewater Treatment
Constructed Wetlands for Wastewater Treatment

Constructed treatment wetlands have evolved during the last five decades into a reliable treatment technology which can be applied to all types of wastewater including sewage, industrial and agricultural wastewaters, landfill leachate and stormwater runoff.

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