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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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acid fracturing waste water harmless disposal hazardous waste
CN103121772A - Method for treating phosphorus-containing ...
CN103121772A - Method for treating phosphorus-containing ...

The invention discloses a method for commprehensively ,treating phosphorus-containing waste water,. The method mainly comprises the steps of: classifying ,waste water, with total ,phosphorus concentration, being 20-10000mg/L generated in a factory; for different types of ,phosphorus,-,containing waste water,, carrying out different combined pre-treatment of more than two of iron-carbon micro ...

Efficient Removal Approach of Micropollutants in ...
Efficient Removal Approach of Micropollutants in ...

27/10/2017, · Experimental investigations show that the ,removal, of such compounds from ,wastewater, is 30–50% superior to that of conventional activated sludge process. In addition, the ,removal, efficiencies of some compounds such as mefenamic acid, indomethacin, diclofenac, and gemfibrozil in MBR were 40%, 40%, 65%, and 32–42% [63, 64].

PHOSPHORUS RECOVERY FROM WASTEWATER BY STRUVITE ...
PHOSPHORUS RECOVERY FROM WASTEWATER BY STRUVITE ...

Traditional P ,removal, processes are based on ,phosphorus, fixation in activated sludge either by a biological (biological nutrient ,removal,, BNR) or chemical (precipitation by metal salts) method. These processes are efficient in the sense that they can reduce the P ,concentration, in ,wastewater, effluents to less than 1 mg.L-1 (Booker . et al.

Efficient Removal Approach of Micropollutants in ...
Efficient Removal Approach of Micropollutants in ...

27/10/2017, · Experimental investigations show that the ,removal, of such compounds from ,wastewater, is 30–50% superior to that of conventional activated sludge process. In addition, the ,removal, efficiencies of some compounds such as mefenamic acid, indomethacin, diclofenac, and gemfibrozil in MBR were 40%, 40%, 65%, and 32–42% [63, 64].

Design Manual Phosphorus Removal - EPA
Design Manual Phosphorus Removal - EPA

----- EPA/625/1-87/001 September 1987 Design Manual ,Phosphorus Removal, U.S. Environmental Protection Agency Office of Research and Development Center for Environmental Research Information Cincinnati, OH 45268 Water Engineering Research Laboratory Cincinnati, OH 45268 U.S. Environmental Protection Agency Region 5, Library (PL-12J) 77 West Jackson Boulevard, IZth Floor Chicago.

Adsorptive Removal of Phosphorus using Metal-Loaded ...
Adsorptive Removal of Phosphorus using Metal-Loaded ...

wastewater containing high, concentrations of ,phosphorus,, they are unsuitable for wastewaters ,containing, low or trace concentrations of ,phosphorus,. Adsorption and ion exchange technologies are much more suitable than other methods for removing low or trace concentrations of phosphate from aqueous solutions.

excess wastewater phosphorus Articles | Environmental XPRT
excess wastewater phosphorus Articles | Environmental XPRT

A ,high concentration, of ,phosphorus, in ,wastewater, may lead to excessive algae growth and de-oxygenation of the water. In this work, nanofiltration (NF) of ,phosphorus,-rich solutions is studied in order to investigate its potential in removing and recycling ,phosphorus,. ,Wastewater, samples from a pulp and paper plant were first analyzed.

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Usually phenolic ,wastewater, with a mass ,concentration, of 1000mg/L is called ,high,-,concentration, phenol-,containing wastewater,, and this kind of ,wastewater, must be recovered after treatment. The phenol-,containing wastewater, with a mass ,concentration, of less than 1000 mg/L is called a low ,concentration, phenol-,containing wastewater,.

CN103121772A - Method for treating phosphorus-containing ...
CN103121772A - Method for treating phosphorus-containing ...

The invention discloses a method for commprehensively ,treating phosphorus-containing waste water,. The method mainly comprises the steps of: classifying ,waste water, with total ,phosphorus concentration, being 20-10000mg/L generated in a factory; for different types of ,phosphorus,-,containing waste water,, carrying out different combined pre-treatment of more than two of iron-carbon micro ...

Wastewater To Resource: Design of a Sustainable Phosphorus ...
Wastewater To Resource: Design of a Sustainable Phosphorus ...

2.3.1 Process Efficiency of ,Phosphorus Removal, Technologies. The full results of the simulation are presented in the SI (Table S7). These suggest that each of the three pathways offer effective COD and total ,Phosphorus, (TP) ,removal,, resulting in a TP ,concentration, in the effluent below the discharge threshold of 1 mg P/L.

Phosphorus removal from secondary wastewater effluent ...
Phosphorus removal from secondary wastewater effluent ...

This study investigated the use of copper smelter slag for the ,removal, of ,phosphorus, from secondary ,wastewater, effluent through batch tests. The media was physically and chemically characterized and showed presence of Fe 2 O 3 (45.22%), SiO 2 (14.98%), Al 2 O 3 (3.21%), CaO (1.99%), SO 3 (1.77%) and MgO (1.33%). Scanning electron microscopy monographs revealed smooth and flat surface and no ...

Suitability of nutrients removal from brewery wastewater ...
Suitability of nutrients removal from brewery wastewater ...

22/11/2018, · This ,removal, analysis revealed that as the ,concentration, of ,phosphorus, in the inlet ,wastewater, deviated from 14 mg l − 1, the ,removal, percentage of this nutrient decreased. ,Removal, of ,phosphorus, tends not to be as ,high, as nitrogen ,removal, in ,wastewater, treatment using macrophytes [ 51 ] because the macrophytes systems do not provide the direct metabolic pathway to remove ,phosphorus,.

Chemical Analyser and Online Monitoring of Potable Water
Chemical Analyser and Online Monitoring of Potable Water

The ,concentration, of Alkalinity in Sewage samples ,containing, Ammonia/Ammonium is very important for correct Nitrogen ,removal, via ... Because most waste waters contain eco harmful Phosphates it is common also to remove ,phosphorus, by use of Ferric or Alum salts. These solutions are highly ,acidic, and hence can strip the natural Alkalinity from the ...

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Usually phenolic ,wastewater, with a mass ,concentration, of 1000mg/L is called ,high,-,concentration, phenol-,containing wastewater,, and this kind of ,wastewater, must be recovered after treatment. The phenol-,containing wastewater, with a mass ,concentration, of less than 1000 mg/L is called a low ,concentration, phenol-,containing wastewater,.

Basics of Wastewater Treatment : Barnstable County ...
Basics of Wastewater Treatment : Barnstable County ...

Domestic ,wastewater, usually contains only trace amounts of iron and aluminum. However, the sandy soil of Cape Cod frequently contains significant amounts of iron bound to the surface of sand particles. It is likely that this iron binds with ,phosphorus, and causes some ,removal, of total ,phosphorus, …

Effective phosphate removal for advanced water treatment ...
Effective phosphate removal for advanced water treatment ...

of both primary (,high, phosphorous ,concentration,) and secondary (low ,phosphorus concentration,) clarifier effluent. The inert elec-trodeworking time (10s) and total electrocoagulation times (1, 3, 5 and 7min) were selected based on detectable final concentrations of phosphate. The impact of EC on phosphate ,removal, and energy utilization

(PDF) Reactive phosphorus removal from aquaculture and ...
(PDF) Reactive phosphorus removal from aquaculture and ...

The aquaculture and poultry ,wastewater, effluents that were tested contain low concentrations of ,phosphorus,, as indicated in Figure 2, and thus the ability of the gel to bind ,phosphorus, should be substantially higher in ,wastewater, effluents ,containing, higher nutrient concentrations than the ones used in this study.Hydrogel Regeneration.

Adsorptive Removal of Phosphorus using Metal-Loaded ...
Adsorptive Removal of Phosphorus using Metal-Loaded ...

wastewater containing high, concentrations of ,phosphorus,, they are unsuitable for wastewaters ,containing, low or trace concentrations of ,phosphorus,. Adsorption and ion exchange technologies are much more suitable than other methods for removing low or trace concentrations of phosphate from aqueous solutions.

Aqueous Phosphate Removal and Electricity Production Using ...
Aqueous Phosphate Removal and Electricity Production Using ...

Abstract: ,Phosphorus, (P) surplus is a key factor in water eutrophication, and aqueous phosphate ,removal, is a concern. In this study, ferrous ions (Fe 2þ ) were generated in situ by iron–air fuel cells and were used in the ,removal, of P from synthetic P-,containing wastewater,.

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