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Determination of phosphate in acid wastewater

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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Determination of phosphate in acid wastewater
SAMPLE PAPER CHEMISTRY THEORY (043) MM:70 Time: 3 Hours
SAMPLE PAPER CHEMISTRY THEORY (043) MM:70 Time: 3 Hours

questions carrying 4 marks each while Q. ,No,. ,3, to 16 carry 1 mark each. c) Section B: Q. ,No,. 17 to 25 are short answer questions and carry 2 marks each. d) Section C: Q. ,No,. 26 to 30 are short answer questions and carry ,3, marks each. e) Section D: Q. ,No,. 31 to 33 are long answer questions carrying 5 marks each. f) There is ,no, overall choice.

Disposal of Waste | Prudent Practices in the Laboratory ...
Disposal of Waste | Prudent Practices in the Laboratory ...

Halides and ,acid, halides such as PCl ,3,, PCl 5, SiCl 4, SOCl 2, SO 2 Cl 2, and POCl ,3, are water-reactive. The liquids can be hydrolyzed conveniently using 2.5 M sodium hydroxide by the procedure described earlier for acyl halides and anhydrides.

Biochar technology in wastewater treatment: A critical ...
Biochar technology in wastewater treatment: A critical ...

1/8/2020, · Additional studies are still need to: (1) develop the new low-cost and high-efficiency modification technology of biochar, (2) increase the practical application of biochar in ,wastewater treatment,, especially in industrial ,wastewater, and municipal ,wastewater treatment,, and (,3,) further improve the adsorption capacity of biochar on heavy metals, organic contaminants, nitrogen and …

A New Process For Sulfate Removal From Industrial Waters
A New Process For Sulfate Removal From Industrial Waters

Figure 1 shows the simplest version of the process where only final sulfate removal is required. Only Steps ,3, and 4 of the CESR process are shown. The CESR process can be added to an existing ,wastewater treatment, plant, and designed as a fully automated continuous process or a manual batch system.

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