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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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Mineral Water Good for you
US5120452A - Process for purifying wastewater with ...
US5120452A - Process for purifying wastewater with ...

A process for treating wastewater the improvement which comprises admixing with the wastewater at least 0.5 percent by weight of a solution consisting of hypochlorous acid having a pH of less than...

Natural Zeolites in Water Treatment – How Effective is ...
Natural Zeolites in Water Treatment – How Effective is ...

8/11/2011, · 1.1.3. Drinking and grey water treatment. Several conventional methods are used for the removal of pollutants from drinking water, such as coagulation followed by filtration, membrane processes and ion exchange. Adsorption methods proved to be effective, economically efficient, easy …

Resource utilization of pickling wastewater (waste acid)
Resource utilization of pickling wastewater (waste acid)

Neutralization is the most commonly used method to treat pickling wastewater (waste acid). The commonly used neutralizing agents are limestone, soda, sodium hydroxide, fly ash, etc. The process of lime neutralization + three effect evaporation is adopted.

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

Such a low sulfuric ,acid, content obviously has no recovery value, so neutralization is often used. Method. The treatment of mine ,acid wastewater, generally adopts the lime neutralization method. ,Iron, and steel plant ,wastewater, treatment uses anionic polyacrylamide as a flocculant to ,treat wastewater, produced in …

How to Treat Wastewater from Fertiliser Industry? | Waste ...
How to Treat Wastewater from Fertiliser Industry? | Waste ...

In the second chamber, the acidic water is recycled to bring its concentration to about 5 per cent equivalence of hydrofluoric ,acid, in the effluent, by withdrawing ,acid, and adding freshwater to the system. In the final chamber, scrubbing is supplemented by adding finely ground limestone blown into the chamber with the entering gases.

Zinc removal from wastewater
Zinc removal from wastewater

5/11/2009, · We are dealing with some problems in our current system for treating ,wastewater,. Due to the high Zinc concentration, we are producing a huge volume of sludge at the end of the process. The treatment we use increases the pH until 6 with magnesium oxide and then, we add an organic flocculant in order to remove some ,iron, present in the effluent.

How to destroy Ferricyanide in Electroplating Wastewater
How to destroy Ferricyanide in Electroplating Wastewater

We next add 7.6 ml per gal of wastewater, of a coagulant, as a 10% solution mixed into water, to the batch. We have found this product at Chemetall Oakite (Enprox 8412). Mix this for 15 min into the batch. Finally, adjust the pH to 10.6, or what is appropriate to the product next used.

Wastewater treatment method of PCB circuit board factory ...
Wastewater treatment method of PCB circuit board factory ...

For the treatment of printed circuit board wastewater, the currently effective method is biodegradation, which mainly uses sludge or natural microorganisms returned from sewage treatment plants to...

Current Methods For Removing Heavy Metals From Industrial ...
Current Methods For Removing Heavy Metals From Industrial ...

Therefore, the green glass adsorbent can be used to ,treat wastewater, containing heavy metal ions with a concentration ranging from sub-ppm to %. The glass structure is retained on purpose during the transformation process, so the green glass adsorbent can work with acids and chemicals and can even be used to ,treat wastewater, in a low pH medium (equating to 0) to accomplish effective absorbing ...

(PDF) Flocculation : A New Way to Treat the Waste Water
(PDF) Flocculation : A New Way to Treat the Waste Water

So it is necessary to remove suspension in water and ,wastewater,. The coagulation-flocculation method is sustainable solution for different kind of surface water, ground water, synthetic water and ...

Treating Metal Finishing Wastewater
Treating Metal Finishing Wastewater

Treating Metal Finishing ,Wastewater, Sultan I. Amer, Ph.D. ... and the entire treatment requires several adjustments of pH as well as the addition of ,acid,, coagulant, lime or ... ,Iron, (Fe2+) 8.9 x 10 ...

What is Acidic Water and How Do You Treat It? – Fresh ...
What is Acidic Water and How Do You Treat It? – Fresh ...

Acidic water is extremely corrosive and can cause detrimental plumbing damages and incur astronomical repair costs. Furthermore, acidic water also leaches heavy metals from eroding pipes, exposing your water to copper, zinc, and even lead. For many well owners across the country, acidic water is a serious water quality problem. Join John Woodard, our Master Water Specialist, as we dive into ...

How To Apply Defoaming Agent In Different Wastewater ...
How To Apply Defoaming Agent In Different Wastewater ...

It is one of the industrial wastewater which is difficult to treat. The common treatment method of papermaking wastewater is coagulation method, which has the advantages of strong adaptability, simple equipment and convenient operation, but it has the disadvantages of high cost and large sludge production, the other is biological method, which has no secondary pollution.

Simplified Removal of Chelated Metals
Simplified Removal of Chelated Metals

of acid rinses, degreaser, and copper plating waste. Previously, the waste stream was treated with ferric chloride, caustic and polymer in a continuous setup.

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

Such a low sulfuric ,acid, content obviously has no recovery value, so neutralization is often used. Method. The treatment of mine ,acid wastewater, generally adopts the lime neutralization method. ,Iron, and steel plant ,wastewater, treatment uses anionic polyacrylamide as a flocculant to ,treat wastewater, …

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