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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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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,.

Treatment of Waste Water Containing Ethylene Glycol using ...
Treatment of Waste Water Containing Ethylene Glycol using ...

oxidation for treatment of ,oily wastewater, containing alcoholic and phenolic compound with ,high concentration, of organic matter (COD≈11000 mg/L). They studied in a ,high,-pressure agitated autoclave reactor in the temperature range of 180–260 °C and oxygen pressure 1 …

ISSN 2250-3153 Palm Oil Mill Effluent (POME) Treatment ...
ISSN 2250-3153 Palm Oil Mill Effluent (POME) Treatment ...

as POME. This wastewater is a viscous, brownish liquid containing about 95–96% water, 0.6–0.7% oil and 4–5% total solids (including 2–4% SS, mainly debris from the fruit). It is acidic (pH 4–5), hot (80–90 0C), nontoxic (no chemicals are added during oil extraction), has high organic content (COD

CN101665311A - Catalysis and micro-electrolysis combined ...
CN101665311A - Catalysis and micro-electrolysis combined ...

The invention relates to a catalysis and micro-electrolysis combined technology for high-concentration refractory organic wastewater; the organic wastewater is collected to an adjusting tank and...

Oily wastewaters treatment using Pseudomonas sp. isolated ...
Oily wastewaters treatment using Pseudomonas sp. isolated ...

By contrast, Annibale et al. found that the same enzyme activity of Penicillium was highest when the fungus was cultivated on ,Oily wastewater, characterized by ,high, organic loads. Goncalves et al. (2009) applied ammonium chloride as a nitrogen resource in this regard and reported the maximum COD removal through using some kind of yeast 60% [ 25 ].

Skimming Oily Wastewater | Environmental XPRT
Skimming Oily Wastewater | Environmental XPRT

When oil concentration exceeds a certain level, usually 100 ppm or less, the generator can get hit with hefty surcharges by the local government providing wastewater treatment. At some level of oil concentration, the oily water effluent is prohibited from entering the sanitary sewer line.

Synthesis of a Novel Amphiphilic and Cationic Chitosan ...
Synthesis of a Novel Amphiphilic and Cationic Chitosan ...

In the study, the SDS concentration and pH value of the oily wastewater were kept at 6.9 × 10 −4 mol/L and 7.0, respectively. It was found that, when CS was used as the flocculant, the residual turbidity percentage decreased to about 15% at the CS dosage of 75 mg/L.

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

Because pH is simply another means of referring to the hydrogen ion concentration, acidic and basic solutions can be distinguished on the basis of pH values: pH < 7 Acidic solution . pH = 7 Neutral solution . pH > 7 Basic solution . Neutralization of wastewater that is highly acidic (low pH) or highly basic (high pH) is …

Treatment of Waste Water Containing Ethylene Glycol using ...
Treatment of Waste Water Containing Ethylene Glycol using ...

oxidation for treatment of ,oily wastewater, containing alcoholic and phenolic compound with ,high concentration, of organic matter (COD≈11000 mg/L). They studied in a ,high,-pressure agitated autoclave reactor in the temperature range of 180–260 °C and oxygen pressure 1 MPa and Increasing COD removal

Membrane Technology For Oily Wastewater Treatment ...
Membrane Technology For Oily Wastewater Treatment ...

The ,wastewater, will be also highly ,acidic, and ,oily, with Sulphate and Phosphate content that cause serious threat to environment and mostly the aquatic life. With the increasing demand on treating ,wastewater, from edible oil processing units, membrane technology including ceramic membrane bioreactor and RO /NF combined process has been applied to treat edible oil processing ,wastewater,.

4 of 6
4 of 6

lower volume, the ,oily wastewater, still higher ,concentration, of pollutants. Thus, ,oily wastewater, treatment is important. Now days, membrane are widely used to treat ,oily, waste. These membranes are microfiltration (MF), ultrafiltration (UF), nanofiltration (NF), reverse osmosis (RO). 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.

Short- and Long-Term Performance of the Thin-Film ...
Short- and Long-Term Performance of the Thin-Film ...

Overall, the newly developed FO membranes can recover ∼80% of the water at a ,high, average water flux of 10.4 LMH using 1 M NaCl as draw solution from a 500 ppm oil–water emulsion containing a low salt ,concentration, of 0.5 g/L. This, in turn, demonstrates the potential of the FO membranes for ,oily wastewater, reclamation.

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

Chemical fiber ,wastewater, contains ,high, organic matter content, various toxic substances, ,high, B/C and unstable, between 1000-10000mg/1, ,wastewater, treatment has poor biodegradability, ,wastewater, is ,acidic, or destructive, and contains aldehydes and cyanide Toxic substances such as benzene, benzene, etc., are likely to have toxic effects on microorganisms.

What chemicals are used and controlled in primary ...
What chemicals are used and controlled in primary ...

A pH or 7.0 is neutral and pH below 7.0 is acidic and pH above 7.0 is basic or alkaline. Modifying the ionic charge of wastewater changes the solubility of certain solids and also allows for physical solids to attract to each other. Selecting chemicals to adjust wastewater pH requires considering the chemical makeup of …

REVERSE OSMOSIS OF REFINERY OILY WASTEWATER …
REVERSE OSMOSIS OF REFINERY OILY WASTEWATER …

The pH effects were found to be complex; by increasing ,acidic, and basic nature of the feed, permeation flux was found to increase and rejection to reduce. The results showed that, RO is very suitable for treating and recycling refinery ,oily wastewater, effluents.

Membrane Technology For Oily Wastewater Treatment ...
Membrane Technology For Oily Wastewater Treatment ...

The wastewater will be also highly acidic and oily with Sulphate and Phosphate content that cause serious threat to environment and mostly the aquatic life. With the increasing demand on treating wastewater from edible oil processing units, membrane technology including ceramic membrane bioreactor and RO /NF combined process has been applied to treat edible oil processing wastewater.

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

Chemical fiber wastewater contains high organic matter content, various toxic substances, high B/C and unstable, between 1000-10000mg/1, wastewater treatment has poor biodegradability, wastewater is acidic or destructive, and contains aldehydes and cyanide Toxic substances such as benzene, benzene, etc., are likely to have toxic effects on microorganisms.

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