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oil producing wastewater reinjection technology co. ltd inc

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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oil producing wastewater reinjection technology co. ltd inc
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

Solvometallurgy: An Emerging Branch of Extractive ...
Solvometallurgy: An Emerging Branch of Extractive ...

19/4/2017, · When ,no, H 2 SO 4 is used, a considerable amount of alkyl phosphoric ,acid, is deposited on the ore, and this cannot be recovered by washing the ,residue, with a diluent. The best efficiencies are observed by adding H 2 SO 4 to the solvent before or during the contact of the solvent with the ore.

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

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 …

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 ...

Hydrometallurgy - Academic Accelerator
Hydrometallurgy - Academic Accelerator

About. Hydrometallurgy aims to compile studies on novel processes, process design, chemistry, modelling, control, economics and interfaces between unit operations, and to provide a forum for discussions on case histories and operational difficulties.Topics covered include: leaching of metal values by chemical reagents or bacterial action at ambient or elevated pressures and temperatures ...

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) Standard Handbook of Environmental Engineering ...
(PDF) Standard Handbook of Environmental Engineering ...

Academia.edu is a platform for academics to share research papers.

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

Hydrometallurgy - Academic Accelerator
Hydrometallurgy - Academic Accelerator

About. Hydrometallurgy aims to compile studies on novel processes, process design, chemistry, modelling, control, economics and interfaces between unit operations, and to provide a forum for discussions on case histories and operational difficulties.Topics covered include: leaching of metal values by chemical reagents or bacterial action at ambient or elevated pressures and temperatures ...

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

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.

Solvometallurgy: An Emerging Branch of Extractive ...
Solvometallurgy: An Emerging Branch of Extractive ...

19/4/2017, · When ,no, H 2 SO 4 is used, a considerable amount of alkyl phosphoric ,acid, is deposited on the ore, and this cannot be recovered by washing the ,residue, with a diluent. The best efficiencies are observed by adding H 2 SO 4 to the solvent before or during the contact of the solvent with the ore.

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

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) Standard Handbook of Environmental Engineering ...
(PDF) Standard Handbook of Environmental Engineering ...

Academia.edu is a platform for academics to share research papers.

European Sustainable Phosphorus Platform - ESPP eNews no ...
European Sustainable Phosphorus Platform - ESPP eNews no ...

Take-away points are (1) industry needs a range of new solutions to achieve these lower limits, in particular for smaller sewage works (2) catchment approaches and smarter permitting (3) holistic approach to ,wastewater treatment,, e.g. metals input from chemical phosphorus removal (4) need to accelerate ,wastewater, industry innovation despite the 20-year investment and asset cycle (5) …

European Sustainable Phosphorus Platform - ESPP eNews no ...
European Sustainable Phosphorus Platform - ESPP eNews no ...

Take-away points are (1) industry needs a range of new solutions to achieve these lower limits, in particular for smaller sewage works (2) catchment approaches and smarter permitting (3) holistic approach to ,wastewater treatment,, e.g. metals input from chemical phosphorus removal (4) need to accelerate ,wastewater, industry innovation despite the 20-year investment and asset cycle (5) …

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