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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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Efficient Synthesis of α-FeOOH from Pickling Wastewater in ...
Efficient Synthesis of α-FeOOH from Pickling Wastewater in ...

The ,acid, pickling ,wastewater, requires ,neutralization,, filtration, sedimentation, and other purification processes to obtain the purified ferrous solution. First, 10 g of iron scraps was added to 500 mL of pickling ,wastewater, to neutralize the residual ,acid,. At the same time, the Fe 3+ in the solution was reduced to Fe 2+.

Final Report | An Electrochemical Method for Acid Mine ...
Final Report | An Electrochemical Method for Acid Mine ...

The water flowing from the waste chamber could be released to a ,neutralization, plant and subsequently released to the environment as it would now meet Effluent Limitation Guidelines set by the U.S. EPA for heavy metal content. This neutralized stream might also be used effectively in irrigation.

A review of measurement methods for peracetic acid (PAA)
A review of measurement methods for peracetic acid (PAA)

in ,wastewater, disinfection and has strong redox capacity for removing micro-pollutants from drinking water. However, commercial peroxyacetic ,acid, solutions are primarily multi-component mixtures of peroxyacetic ,acid,, acetic ,acid,, hydrogen peroxide, and water. During the process of water treatment, peroxyacetic ,acid, and hydrogen peroxide (H 2O

Comparison of Alkaline Treatment of Lead Contaminated ...
Comparison of Alkaline Treatment of Lead Contaminated ...

of acidic wastewater altered its pH to 8.0. The acidic wastewater was elevated to this pH to simulate the alka-line treatment process of the lead acid battery industry. To estimate the sludge generated by this lime addition process, a separate experiment was performed; 15.5 g of hydrated lime was added to one liter of acidic wastewater (pH = 0.96).

(PDF) Oxidative Degradation of Strong Acetic Acid Liquor ...
(PDF) Oxidative Degradation of Strong Acetic Acid Liquor ...

Table 1 gives a series of ,experimental, results on the investigations performed to determine the optimum concentration of metal ion for which the degradation of acetic ,acid, was maximum. The data show that the rate of degradation of acetic ,acid, increased with an increase in the metal ion concentration and attained a maximum value at AcOH:Fe 2+ :H 2 O 2 molar ratio of 1:0.15:3.15.

Final Report | An Electrochemical Method for Acid Mine ...
Final Report | An Electrochemical Method for Acid Mine ...

The water flowing from the waste chamber could be released to a ,neutralization, plant and subsequently released to the environment as it would now meet Effluent Limitation Guidelines set by the U.S. EPA for heavy metal content. This neutralized stream might also be used effectively in irrigation.

Removal of boron from wastewater by precipitation of a ...
Removal of boron from wastewater by precipitation of a ...

Boric acid and sulfuric acid were added to deionized water at initial concentrations of 0.7 g L −1 of boron and 50 g L −1 of sulfuric acid. The experiments were carried out in a 2.5‐L baffled vessel (diameter 150 mm, height 150 mm), mechanically stirred by a Rushton turbine (diameter 50 mm) and kept at constant temperature by a double‐wall–jacketed vessel.

Facile recovery of acetic acid from waste acids of ...
Facile recovery of acetic acid from waste acids of ...

20/8/2014, · This is the reason why, waste acids, can only be partially neutralized. The, experimental, parameters such as distillation time, types of alkali for, neutralization, and oil bath temperature on recovery of HAc were systematically investigated in this study. Download : Download full-size image; Fig. 1. Compenents of, waste acids, from electronic industry.

Biological neutralization of chlor-alkali industry wastewater
Biological neutralization of chlor-alkali industry wastewater

The metabolic product which the bacterium produces in order to neutralize alkaline ,wastewater, was found to be carboxylic ,acid, in nature by Fourier Transform- Infrared (FT-IR) spectroscopy.

(PDF) Oxidative Degradation of Strong Acetic Acid Liquor ...
(PDF) Oxidative Degradation of Strong Acetic Acid Liquor ...

Table 1 gives a series of experimental results on the investigations performed to determine the optimum concentration of metal ion for which the degradation of acetic ,acid, was maximum. The data show that the rate of degradation of acetic ,acid, increased with an increase in the metal ion concentration and attained a maximum value at AcOH:Fe 2+ :H 2 O 2 molar ratio of 1:0.15:3.15.

(PDF) ANAEROBIC TREATMENT OF A PETROCHEMICAL …
(PDF) ANAEROBIC TREATMENT OF A PETROCHEMICAL …

The experiment showed that settled ,wastewater, (0.56 g COD/g VSS) as well as terephthalic ,acid, (0.183 glg VSS), inhibited biogas production with respect to a control containing the same amount of sludge but without substrate (Fig. 3).

Lab 3 Report.docx - Environmental Engineering Laboratory ...
Lab 3 Report.docx - Environmental Engineering Laboratory ...

This describes the ,acid,-neutralizing capacity or ANC. The ANC is detrimental in ,wastewater, treatment. For humans, drinking water should be at a pH of 4-11, but 7 is preferable. In this lab, the concentration ,of acid, versus the concentration of base used to decrease …

Experimental of Flocculation-Sedimentation Aids in ...
Experimental of Flocculation-Sedimentation Aids in ...

At present, the ,neutralization, and precipitation treatment is mostly applied in ,acid, mine drainage treatment, which is widely used and with low running cost and so forth, but biggest problem is that the sediments float in the secondary settling tank and settle down difficultly, then the effluent always can't comply with the ,wastewater, discharge standard. The ,acid, mine drainage samples were from a copper mine in China, the paper was about ,acid, …

A review of measurement methods for peracetic acid (PAA)
A review of measurement methods for peracetic acid (PAA)

in ,wastewater, disinfection and has strong redox capacity for removing micro-pollutants from drinking water. However, commercial peroxyacetic ,acid, solutions are primarily multi-component mixtures of peroxyacetic ,acid,, acetic ,acid,, hydrogen peroxide, and water. During the process of water treatment, peroxyacetic ,acid, and hydrogen peroxide (H 2O

Acid Base Titration Lab Report - Lab Report on Acid-Base ...
Acid Base Titration Lab Report - Lab Report on Acid-Base ...

Acid Rain Lab Report - Acid and base titration lab report - Professional You Can Trust. An And titration is an experimental procedure used to determined the unknown concentration of an acid or base by precisely neutralizing it with an acid or base of Acid concentration. Base lets us quantitatively analyze the concentration of the unknown solution.

Calcined Mg/Al-LDH for acidic wastewater treatment ...
Calcined Mg/Al-LDH for acidic wastewater treatment ...

Wastewater, treatment ,Neutralization, Oxyanions removal ABSTRACT ,Acid, drainage (AD) poses a significant concern for water pollution due to its strong acidity and the toxicity of its various contaminants (e.g., heavy metal ions). In order to minimize the harmful effects of AD, the acidity must be neutralized and the contaminants be removed.

(PDF) ANAEROBIC TREATMENT OF A PETROCHEMICAL WASTEWATER …
(PDF) ANAEROBIC TREATMENT OF A PETROCHEMICAL WASTEWATER …

The experiment showed that settled wastewater (0.56 g COD/g VSS) as well as terephthalic acid (0.183 glg VSS), inhibited biogas production with respect to a control containing the same amount of sludge but without substrate (Fig. 3).

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