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extra deep well drilling waste liquid harmless disposal technology ltd commodities

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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extra deep well drilling waste liquid harmless disposal technology ltd commodities
Application of Ferrate for Advanced Water and Wastewater ...
Application of Ferrate for Advanced Water and Wastewater ...

22/8/2019, · The degradation potential of ferrate for water and ,wastewater, treatment mainly depends upon the pH, initial ferrate concentration, presence of coexisting ,ions, and temperature . They can be easily reduced to insoluble and non-toxic Fe(III) species and can adsorb organic compounds, resulting in its removal [ 21 ].

Peanut shells can clean water - Down to Earth
Peanut shells can clean water - Down to Earth

The agricultural waste removes poisonous copper ,ions, from industrial ,wastewater,. A new study says the shells perform better than many other waste products such as saw dust. Though the industry uses many chemical processes to remove heavy metals for ,wastewater,, most of them are highly expensive. This new method seems to be cheaper and eco-friendly.

Uses and Properties of Acids and Bases - All you need to ...
Uses and Properties of Acids and Bases - All you need to ...

It goes from 0-14, and gives you the range of what is considered ,acidic, and what is considered basic. Any substance that is in the range of 0-6.9 is an acid, and everything from 7.1-14 is a base. Girl you a ten and by that on the pH scale you basic girl.

Treatment of Acidic Wastewater Containing Heavy Metal Ions ...
Treatment of Acidic Wastewater Containing Heavy Metal Ions ...

The process of treating ,acidic wastewater, with or without heavy metal ,ions, by coal cinder is introduced. The experiment showed that the process had the merits of favourable reaction velocities. 60 grams of coal cinder could ,make, increase in pH value from 1.90 to 6.00 of 100 ml ,acidic wastewater, in 3 minutes. And the removability of heavy metal ,ions, was better than 97.3 %.

Effects of sulfate ions and slightly acidic pH conditions ...
Effects of sulfate ions and slightly acidic pH conditions ...

The feasibility of utilizing CTAB-,silica gelatin composite, (C-SGC) to remove hexavalent chromium from aqueous solutions under different conditions was investigated. Removal of chromate was assessed through evaluation of the adsorption kinetics of chromate ,ions, on the composite under equilibrium conditions in the presence of sulfate ,ions, and at a slightly ,acidic, pH condition (pH 5.8).

Water Softening | Water Treatment | Water Softener
Water Softening | Water Treatment | Water Softener

This ,acidic, characteristic causes limestone to be dissolved, in the form of calcium and bicarbonate ,ions,, thus becoming hard. Problems Associated with Hard Water Calcium carbonate is moderately soluble in water and will come out of solution (i.e., form a precipitate) in the form of a hard scale when its concentration in water exceeds its solubility constant.

URI pH and Alkalinity
URI pH and Alkalinity

Hydrogen (H+) ,ions, (,ions, are atoms or groups of atoms with negative or positive charge) control acidity levels. pH measures the concentration of H+ and hydroxide (OH-) ,ions, which ,make, up water (H 2O): H+ + OH-= H 2O When the two ,ions, are in equal concentration, the water is neutral, whereas the water is ,acidic, if H+ > OH-and basic when OH-> H+.

The removal of fluosilicic acid ions in acid wastewater ...
The removal of fluosilicic acid ions in acid wastewater ...

A Silicon material is widely used in various industries, especially in the field of aerospace and solar energy. But a lot of ,acidic wastewater, from silicon etched is produced by machining process of silicon core during polysilicon production process of modified Siemens process, which contains nitric acid, flu silicic acid, and hydrofluoric acid. The waste acid will cause environmental ...

Dictionary of Water Terms - USGS
Dictionary of Water Terms - USGS

The positive ,ions, go through one membrane, while the negative ,ions, flow through a different membrane, leaving the end product of freshwater. (2) (Water Quality) An advanced method of water or ,wastewater, treatment that relies on a semi-permeable membrane to separate waters from pollutants.

WO2005009908A2 - System and method for treatment of acidic ...
WO2005009908A2 - System and method for treatment of acidic ...

The first reverse osmosis device treats ,wastewater, having pH that is less than about 3.5 and the second reverse osmosis device treats ,wastewater,, from the first reverse osmosis device, having a pH that is about 6 or higher.

Why is urea basic and not acidic? | Yahoo Answers
Why is urea basic and not acidic? | Yahoo Answers

8/5/2007, · First, the urea is spontaneously hydrolyzed to ammonia and carbon dioxide (this is why cat litter boxes smell like ammonia). If the surroundings are ,acidic,, ammonium ,ions, are produced: H2N-C(=O)-NH2 → 2NH3 + CO2(g) NH3 + H+ → NH4+ The ammonium ,ions, are changed to nitrate in two steps by two different organisms.

5.4 pH | Monitoring & Assessment | US EPA
5.4 pH | Monitoring & Assessment | US EPA

6/3/2012, · Changes in acidity can be caused by atmospheric deposition (acid rain), surrounding rock, and certain ,wastewater, discharges. The pH scale measures the logarithmic concentration of hydrogen (H+) and hydroxide (OH-) ,ions,, which ,make, up water (H+ + OH- = H2O). When both types of ,ions, are in equal concentration, the pH is 7.0 or neutral.

Why Measure PH? – New Jersey Center For Water Science And ...
Why Measure PH? – New Jersey Center For Water Science And ...

The pH scale measures the logarithmic concentration of hydrogen (H+) and hydroxide (OH-) ,ions,, which ,make, up water (H+ + OH- = H2O). When both types of ,ions, are in equal concentration, the pH is 7.0 or neutral. Below 7.0, the water is ,acidic, (there are more hydrogen ,ions, than hydroxide ,ions,).

Wastewater Treatment through Low Cost Adsorption ...
Wastewater Treatment through Low Cost Adsorption ...

7/4/2016, · In this case, counterions with lower K ps values are used, for instance sulphide ions (S 2 −) are used to improve the wastewater treatment of waters containing mercury or cadmium. Most of the treatments employed in our country only consider a alkaline chemical treatment by contacting the acidic stream with CaCO 3 or CaO or Ca ( OH ) 2 raising the pH up to a point where metals are partially …

Role of Ionic Moieties in Hydrogel Networks to Remove ...
Role of Ionic Moieties in Hydrogel Networks to Remove ...

A variety of methods for removing heavy metal ,ions, from ,wastewater, have been developed but because of their low efficiency, further production of toxic sludge or other waste materials, high expense, and lengthy procedures, limited progress has been achieved to date. Polymeric hydrogel has been attracting particular attention for the effective removal of heavy metal ,ions, from ,wastewater,. Here ...

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