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Where is the source of hospital 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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Where is the source of hospital acid wastewater
Application of Red Mud in Wastewater Treatment
Application of Red Mud in Wastewater Treatment

RM is widely used as an adsorbent in the effective removal of heavy metal and non-metal ions, organic pollutants, and dyes in ,wastewater treatment, as well as sulfides and carbides in waste gas ,treatment,, in the adsorption of pollutants in soil, and in the restoration of contaminated soil. This approach achieved excellent results.

Acid Treatment Patents and Patent Applications (Class 71 ...
Acid Treatment Patents and Patent Applications (Class 71 ...

Patent number: 9573810. Abstract: In alternative embodiments, the invention provides processes and methods for the recovery or the removal of the so-called “Minor Elements” consisting of iron, aluminum and magnesium (expressed as oxides), from wet-process phosphoric acid using a continuous ion exchange approach.

SIPS 2018 - FLOGEN
SIPS 2018 - FLOGEN

Until recently, works performed on dismantlement of ,phosphogypsum, only concerned ,phosphogypsum, processing from apatite concentrate. In this case, none of the known developments were tested for ,phosphogypsum, produced on the basis of phosphorus, the chemical and mineralogical composition of which is markedly different from apatites.

Solvometallurgy: An Emerging Branch of Extractive Metallurgy
Solvometallurgy: An Emerging Branch of Extractive Metallurgy

from industrial process residues (e.g., bauxite ,residue,, goethite, jarosite, ,phosphogypsum,) or mine tailings, which were considered as waste until recently. Pyrometallurgical methods are often incapable of treating these residues in an economic way, because the metal concentrations are too low. Likewise, most hydrometallurgical processes are not

Let’s Make White Phosphorus Obsolete | ACS Central Science
Let’s Make White Phosphorus Obsolete | ACS Central Science

The appropriate I (2-3 g.), 20 cc. pyridine, and 7-10 cc. Ac2O stirred 3-4 hrs. at 60°, the soln. cooled, the volatiles removed in vacuo, the ,residue, dissolved in a little H2O, again evapd., the viscous ,residue, neutralized with satd. aq. Ba(OH)2 to phenolphthalein, the soln. filtered, evapd. in vacuo, the ,residue, dissolved in 25-30 cc. H2O, filtered, dild. with 3-4 vols. EtOH, allowed to stand, and the cryst. deposit …

METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM …
METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM …

This water ,treatment, plant isolates approximately 520 kg of struvite from 64,000 m 3 sewage per day. In the ,patent, literature, U.S. Pat. ,No,. 8,568,590, issued Oct. 29, 2013, describes a method for recovering phosphate from sewage ,treatment, plants using multi-stage anaerobic digestion.

5 Prospect of Comprehensive Treatment and Recycling of EMR ...
5 Prospect of Comprehensive Treatment and Recycling of EMR ...

5 Prospect of Comprehensive ,Treatment, and Recycling of EMR. Bạn đang xem bản rút gọn của tài liệu. Xem và tải ngay bản đầy đủ của tài liệu tại đây (8.09 MB, 401 trang ) 160 3 Resource Utilization of Electrolytic Manganese Residues

QUT ePrints: No conditions. Results ordered -Date Deposited.
QUT ePrints: No conditions. Results ordered -Date Deposited.

Gurkiran Kaur, Gurkiran , Couperthwaite, Sara , & Millar, Graeme (2018) ,Acid, mine drainage ,treatment, using Bayer precipitates obtained from seawater neutralization of Bayer liquor. Global Challenges, 2(12), Article number: 1800061 1-12. ,Acid, mine drainage ,treatment, using Bayer precipitates obtained from seawater neutralization of Bayer liquor

Upgrading and recovery of fertilizer value of ash from ...
Upgrading and recovery of fertilizer value of ash from ...

wastewater treatment, plant, Denmark, where P was mainly removed biologically with a minor amount of Fe salts. The co-gasification of both materials took place in June 2013. 2.2. Analytical methods and sampling For both gasification ashes, small batches of around 200 grams were sampled from the total mass collected. Each ash was

Calcium sulfate | CaSO4 - PubChem
Calcium sulfate | CaSO4 - PubChem

9.0X10+6 g of ,phosphogypsum, /,calcium sulfate, generated in the production of phosphoric ,acid, from phosphate rock/ is produced each year. However, it is considered as waste, owing to unsuitable physical properties and undesirable contaminants.

Upgrading and recovery of fertilizer value of ash from ...
Upgrading and recovery of fertilizer value of ash from ...

wastewater treatment, plant, Denmark, where P was mainly removed biologically with a minor amount of Fe salts. The co-gasification of both materials took place in June 2013. 2.2. Analytical methods and sampling For both gasification ashes, small batches of around 200 grams were sampled from the total mass collected. Each ash was

Recovery and separation of phosphorus as dicalcium ...
Recovery and separation of phosphorus as dicalcium ...

Similar to ,phosphogypsum,, the solid CaSO 4 ·2H 2 O byproduct of the wet phosphoric ,acid, process, can be used directly for various applications, although it may require some purification if the final product proves to have unacceptable levels of fluoride, organic matter, or radionuclides, such as Ra 226, Pb 210, Po 210, U 238 or U 234. 50 (2) At pH 7, the primary product, dicalcium phosphate ...

SIPS 2018 - FLOGEN
SIPS 2018 - FLOGEN

Until recently, works performed on dismantlement of ,phosphogypsum, only concerned ,phosphogypsum, processing from apatite concentrate. In this case, none of the known developments were tested for ,phosphogypsum, produced on the basis of phosphorus, the chemical and mineralogical composition of which is markedly different from apatites.

(PDF) Processing of Phosphate Ores and the Environmental ...
(PDF) Processing of Phosphate Ores and the Environmental ...

A review has been undertaken of technologies to remove and recover phosphorus from ,wastewater, and their potential to facilitate the recycling of phosphorus and its sustainability.

Let’s Make White Phosphorus Obsolete | ACS Central Science
Let’s Make White Phosphorus Obsolete | ACS Central Science

In places where ,wastewater treatment, is practiced, there are obvious ... This ratio is needed to guarantee the quality of both the phosphoric ,acid, and the ,phosphogypsum, ... (OH)2, and 100 cc. H2O stirred 2-3 hrs. at room temp. and filtered, the ,residue, washed with a little H2O, dissolved in …

METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM …
METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM …

This water treatment plant isolates approximately 520 kg of struvite from 64,000 m 3 sewage per day. In the patent literature, U.S. Pat. No. 8,568,590, issued Oct. 29, 2013, describes a method for recovering phosphate from sewage treatment plants using multi-stage anaerobic digestion.

Let’s Make White Phosphorus Obsolete | ACS Central Science
Let’s Make White Phosphorus Obsolete | ACS Central Science

The appropriate I (2-3 g.), 20 cc. pyridine, and 7-10 cc. Ac2O stirred 3-4 hrs. at 60°, the soln. cooled, the volatiles removed in vacuo, the ,residue, dissolved in a little H2O, again evapd., the viscous ,residue, neutralized with satd. aq. Ba(OH)2 to phenolphthalein, the soln. filtered, evapd. in vacuo, the ,residue, dissolved in 25-30 cc. H2O, filtered, dild. with 3-4 vols. EtOH, allowed to stand, and the cryst. deposit …

Solvometallurgy: An Emerging Branch of Extractive Metallurgy
Solvometallurgy: An Emerging Branch of Extractive Metallurgy

from industrial process residues (e.g., bauxite ,residue,, goethite, jarosite, ,phosphogypsum,) or mine tailings, which were considered as waste until recently. Pyrometallurgical methods are often incapable of treating these residues in an economic way, because the metal concentrations are too low. Likewise, most hydrometallurgical processes are not

Minerals | Free Full-Text | Concentration of Rare Earth ...
Minerals | Free Full-Text | Concentration of Rare Earth ...

The full processing of the bauxite ,residue, currently generated makes it possible to extract 6600–20,400 t of scandium per year. Therefore, a large number of studies have been dedicated to the recovery of rare-earth metals from various types of bauxite ,residue, obtained by processing various bauxites in the Bayer method and its variations.

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