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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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waste machine
Key technologies and equipment for contaminated surface ...
Key technologies and equipment for contaminated surface ...

9/1/2021, · Moreover, the contaminated surface waters are generally characterized by a relatively low concentration of pollutants compared to that of raw ,wastewater,, e.g., total nitrogen (TN) < 10 mg/L and total phosphorus (TP) < 1.0 mg/L, so it might not be effective and economic to use the treatment technologies and equipment used for domestic sewage or industrial ,wastewater, treatment .

Borates in Other Applications | U.S. Borax
Borates in Other Applications | U.S. Borax

Semi-permeable membranes used in ,wastewater, treatment are cleaned with a solution of sodium perborate tetrahydrate and EDTA, which gives better results than ,acid, washing. In heat-exchange devices, corrosion of metals or alloys can be combatted through the use of borates, which in the presence of oxygen promote the formation of a passivating layer (ferric oxide film) that prevents further ...

CRC ORE Annual Report 2011 - 2012 by CRC ORE - Issuu
CRC ORE Annual Report 2011 - 2012 by CRC ORE - Issuu

The ,technical, expertise, business ... an improved approach to the prevention of environmental issues such as ,acid mine, ... friendly new materials for the chemicals and ,wastewater,-treatment ...

Publications Library | Civil and Environmental Engineering ...
Publications Library | Civil and Environmental Engineering ...

Technical, note: Semi-automated classification of time-lapse RGB imagery for a remote Greenlandic river. Hydrology and Earth Systems Sciences. 19(6):2963-2969. Google Scholar

Business Transformation and Improvement
Business Transformation and Improvement

Challenges. Achieving full potential performance in heavy industries continues to get more and more complex due to operational underperformance or major changes in the business environment There’s a myriad of business and ,technical, systems required to build and operate assets safely while complying with regulatory requirements and stakeholder expectations.

Real Estate Developments - Hydroflux Epco
Real Estate Developments - Hydroflux Epco

In addition, if water scarcity is a ,bottleneck, for the development, Organica FCR limits infrastructure costs and thus enables cost-efficient ,wastewater, recycling. In fact, Organica was recently chosen by Marubeni – one the largest real estate developers in Southeast Asia – to provide a ,wastewater, treatment for one of its business parks in Indonesia.

Final Report Summary - NANO3BIO (NanoBioEngineering of ...
Final Report Summary - NANO3BIO (NanoBioEngineering of ...

Apart from conversion to glucosamine by ,acid, hydrolysis, the use as a flocculating agent to treat ,wastewater, is the largest application of chitosan covering one-third of the global market. The major reason for the growth in the global chitosan market is the rise in demand for products used for the treatment of contaminated water.

Opportunities – Water Research Commission
Opportunities – Water Research Commission

However, this is at an externalised environmental cost including negative impacts on surface and groundwater, poor waste management, ,acid mine, water formation and ecological degradation. Section 28 of the MPRDA imposes full rehabilitation of the mining area on the ,mine, owner; whilst the National Water Act requires that ,mine, owners cease, modify, comply, eliminate and remedy pollution impacts ...

5 Summary of the report - oeko.de
5 Summary of the report - oeko.de

namic limits taking advantage of ,technical, improvements, the treatment systems of Lynas for abating emissions of acidic gases and acids as well as for dust are neither state-of-the-art nor best-available-technology and causes sulfuric ,acid, emissions that are too high by a factor of at least two and PM 10

Global Water Pollution and Human Health | Annual Review of ...
Global Water Pollution and Human Health | Annual Review of ...

Water quality issues are a major challenge that humanity is facing in the twenty-first century. Here, we review the main groups of aquatic contaminants, their effects on human health, and approaches to mitigate pollution of freshwater resources. Emphasis is placed on chemical pollution, particularly on inorganic and organic micropollutants including toxic metals and metalloids as well as a ...

Water and Wastewater Treatment in Africa - Current ...
Water and Wastewater Treatment in Africa - Current ...

Limited sewer collection is a ,bottleneck, for ,wastewater, treatment. For example, ... water reuse and desalination, and rainwater treatment. For example, metals and sulfates can be recovered from ,acid mine, drainage [46]. Struvite (magnesium ... Although it is important for African countries to get financial aid and ,technical, support from the ...

Alkalinity Adjustments in my Wastewater Treatment Plant ...
Alkalinity Adjustments in my Wastewater Treatment Plant ...

A very common product, also known as hydrated lime or ,CaO, quicklime, lime can be ‘slurry-ized’ through the addition of water to dry lime powder. This slurry can be used to treat ,wastewater, to increase pH and alkalinity and is commonly used in potable water to “soften,” or remove hardness minerals, such as calcium and magnesium from drinking water.

Objection: Sedibelo Platinum Mine Water Use Licence
Objection: Sedibelo Platinum Mine Water Use Licence

There was, according to the FSE’s recollection, no reference to: The long term management ,of acid mine, water (the fact that AMD will continue to be produced long after the closure of gold and coal mines and the fact that continuous pumping of underground ,mine, water is a pre-requisite); The establishment of the 7 non-operational CMAs; and The compliance status by the DWS of the directives by ...

Biotechnological Advances in the Design of Algae-Based ...
Biotechnological Advances in the Design of Algae-Based ...

In addition to their use in biomass production and bioremediation, algae have been extensively exploited in biosensing applications. ,Algae-based biosensors, have demonstrated potential for sensitive, sustainable, and multiplexed detection of analytes of agroenvironmental and security interest. Their advantages include the availability of different algal bioreceptors including whole cells and ...

Enhancing CaO 2 fenton-like process by Fe(II)-oxalic acid ...
Enhancing CaO 2 fenton-like process by Fe(II)-oxalic acid ...

15/10/2019, · The following conclusions can be attained: (1) the MO degradation in the Fe 2+ /OA/,CaO, 2 modified Fenton system achieved 99% within 15 min, meanwhile the mineralization reached 38% after 180 min under the optimized addition of Fe 2+: OA: ,CaO, 2 (Fe 2+ = 1.5 mM, 1: 2: 2); (2) HO •, O 2 − · and 1 O 2 were confirmed as the dominant reactive species during the coupling process, and the MO …

Opportunities – Water Research Commission
Opportunities – Water Research Commission

However, this is at an externalised environmental cost including negative impacts on surface and groundwater, poor waste management, ,acid mine, water formation and ecological degradation. Section 28 of the MPRDA imposes full rehabilitation of the mining area on the ,mine, owner; whilst the National Water Act requires that ,mine, owners cease, modify, comply, eliminate and remedy pollution impacts ...

Sulfur Reduction in Acid Rock Drainage Environments
Sulfur Reduction in Acid Rock Drainage Environments

remove and recover metals from ,wastewater, from the mining and metallurgical industry,3−5 as it is naturally present in many metal-rich waters, such as ,acid mine, drainage. Microbiological sulfate reduction has been successfully applied at pH down to 2.5,6 which renders treatment of the acidic and metalliferous waters feasible.

EP1447383A1 - Method for reducing COD (chemical oxygen ...
EP1447383A1 - Method for reducing COD (chemical oxygen ...

Techniques for treating, waste, water by adding a valent ion, such as CaO/CaCO 3 , to reduce the chemical oxygen demand (COD) are disclosed. Organic acid intermediates formed from the oxidization of...

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