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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 wetland - Wikipedia
Constructed wetland - Wikipedia

A ,constructed wetland, (CW) is an artificial wetland to treat municipal or industrial ,wastewater,, greywater or stormwater runoff. It may also be designed for land reclamation after mining, or as a mitigation step for natural areas lost to land development.Constructed wetlands are engineered systems that use natural functions vegetation, soil, and organisms to treat ,wastewater,.

Removal of heavy metal ions from wastewaters: A review ...
Removal of heavy metal ions from wastewaters: A review ...

1/3/2011, · To make progress in ,heavy metals adsorption, to AC without the expense of decline in the pollutants ,adsorption,, additives and AC composite could be an option. Additives of alginate ( Park et al., 2007 ), tannic ,acid, ( Üçer et al., 2006 ), magnesium ( Yanagisawa et al., 2010 ), surfactants ( Ahn et al., 2009 ) and AC composite could be effective adsorbents for ,heavy metals,.

Heavy metal ions adsorption from mine waters by sawdust
Heavy metal ions adsorption from mine waters by sawdust

Heavy, metal ions ,adsorption, from ,mine, waters by sawdust (naslov ne postoji na srpskom) Stanković Velizar, Božić Dragana, Gorgievski Milan, Bogdanović G. Univerzitet u Beogradu, Tehnički fakultet u Boru e-adresa: vstankovic@tf.bor.ac.rs. Projekat: Projekat Ministarstva nauke ...

ASSESSMENT AND REMOVAL OF HEAVY METAL …
ASSESSMENT AND REMOVAL OF HEAVY METAL …

resulting ,acid mine, drainage, which is often rich in ,heavy metals, (because acids dissolve ,metals,), is one of the many environmental impacts of mining. Effluent from the pulp and paper industry is generally high in suspended solids and BOD.

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial wastewater treatment, describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Summary The mining of metallic ores (e.g. iron, copper, lead, zinc, molybdenum, and tungsten), precious ,metals, such as gold, platinum and silver, and large scale coal mining all produces ,wastewater, (U.S.EPA, 2010). As discussed below, this ,waste water, is usually ,mine, drainage pumped from mining areas, water used and discharged from the processing of the…

Constructed Wetlands for Treating Acid Mine Drainage
Constructed Wetlands for Treating Acid Mine Drainage

The design of a constructed wetland for the treatment of acid mine drainage varies upon site characteristics. According to Fennessy and Mitsch (1989), the most important design considerations are: biochemical processes, loading rate and retention time, slope, substrate, vegetation, sediment control, morphometry, seasonality, and regulatory issues.

Abatement of Heavy Metals Concentration in Mine Waste ...
Abatement of Heavy Metals Concentration in Mine Waste ...

This research demonstrates the potential of the ACs, produced in a locally developed reactor, for removal of heavy metals in wastewater. The ACs could be used as excellent, effective and inexpensive materials for removing heavy metals from mine wastewater.

120 Adsorption Of Heavy Metals From Wastewater PPTs View ...
120 Adsorption Of Heavy Metals From Wastewater PPTs View ...

View ,Adsorption Of Heavy Metals, From ,Wastewater, PPTs online, safely and virus-free! Many are downloadable. Learn new and interesting things. Get ideas for …

Adsorption of Pb(II) from wastewater by natural and ...
Adsorption of Pb(II) from wastewater by natural and ...

removal ,of heavy metals,, which was found in simulated ,acid mine, drainage [39]. The ,heavy metals, such as Pb > Cu > Zn was investigated using this manure. ,Adsorption, kinetics indicated that the ,heavy, metal ions reached equilibrium within 60 min of ,adsorption, process, indicating rapid ,adsorption, rate.

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Summary The mining of metallic ores (e.g. iron, copper, lead, zinc, molybdenum, and tungsten), precious ,metals, such as gold, platinum and silver, and large scale coal mining all produces ,wastewater, (U.S.EPA, 2010). As discussed below, this ,waste water, is usually ,mine, drainage pumped from mining areas, water used and discharged from the processing of the…

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · 2. Toxicity effects of some ,heavy metals, in the ,wastewater, [1,3,5]All ,heavy metals, are effected to human and environment by different ways. For example; lead in the environment is mainly particulate bound with relatively low mobility and bioavailability.

Adsorption – Mine Closure
Adsorption – Mine Closure

Adsorption, is technically well suited for the treatment of metal containing ,mine, water. General advantages of ,adsorption, (e.g. García et al. 2013) include: Possibility for metal recovery; Suitable for dilute solutions; Some sorbent materials remove acidity from/produce alkalinity to the treated water; ,Design,, scale-up and operation are relatively simple

Improving the Adsorption of Heavy Metals from Water Using ...
Improving the Adsorption of Heavy Metals from Water Using ...

We introduce the application of hen egg shell waste to improve the ,adsorption, capacities ,of heavy,-metal ions using commercial carbons via the modification of their surface chemistry. Specifically, a calcium solution extracted from egg shell waste has been used as a low-cost activation agent to improve the ,adsorption, properties of three commercial carbons.

Heavy metal ions adsorption from mine waters by sawdust
Heavy metal ions adsorption from mine waters by sawdust

Heavy, metal ions ,adsorption, from ,mine, waters by sawdust (naslov ne postoji na srpskom) Stanković Velizar, Božić Dragana, Gorgievski Milan, Bogdanović G. Univerzitet u Beogradu, Tehnički fakultet u Boru e-adresa: vstankovic@tf.bor.ac.rs. Projekat: Projekat Ministarstva nauke ...

A review on the adsorption of heavy metals by clay ...
A review on the adsorption of heavy metals by clay ...

15/1/2017, · In contrast, organoclays have received limited interest as adsorbents ,of heavy metals, primarily because the organic cations compete with ,metals, for ,adsorption, sites on the clay mineral surfaces. A study reported the ,adsorption, of Pb (II) and Hg (II) by montmorillonites modified with natural organic cations [140] .

Variation in Extracellular Polymeric Substances from ...
Variation in Extracellular Polymeric Substances from ...

Heavy metals,, which are commonly present in high ammonia-contg. ,wastewater,, can cause inhibitory effects to anammox reaction. This study proposes a novel approach to enhance the adaptability of anammox granules to ,heavy, metal [Zn(II)] shock by org. carbon (sodium acetate, NaAc) treatment, paying special attention to optimization of the treatment dosage and duration.

Adsorption and surface precipitation of metals on ...
Adsorption and surface precipitation of metals on ...

Hydrochemical, and Pb- and Sr- isotopic constraints on the precipitation and dilution of ,metals, in acidified ,mine, water: an example from the abandoned Dongjin Au-Ag-Cu ,mine,, Korea. Geosciences Journal 2008, 12 (4) , 411-418.

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