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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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Waste management in the Wine Industry - SlideShare
Waste management in the Wine Industry - SlideShare

10 Rinse water (tanks, floors, transfer lines, bottles, barrels, etc) Up to 43% Increase in Na, P, Cl, COD Increase in EC, SAR, COD Variation in pH Process Water ,Filtration, with filter aid Up to 15% Various Contaminants Increase COD and EC Acidification and stabilization of wine Up to 3% H2SO4 or NaCl Increase COD and EC Decrease in pH Cooling tower waste Up to 6% Various Salts Increase COD …

(PDF) Standard Methods For the Examination of Water and ...
(PDF) Standard Methods For the Examination of Water and ...

Standard Methods For the Examination ,of, Water ,and Wastewater,, 23nd edition, 2017

HF6128 FinalPaper 2017-11-13 10.06.04 DNXQPF
HF6128 FinalPaper 2017-11-13 10.06.04 DNXQPF

Experiment scheme, and ,design, idea This article uses corn starch as raw material because of its wide range and low price. Acrylamide was connected on the molecular chain of corn starch by cerium ion initiated copolymerization. Starch modified flocculant (FSM) was prepared. On the basis of the ,experiment,, the influence of the following

Reclamation of acid dye bath wastewater: Effect of pH on ...
Reclamation of acid dye bath wastewater: Effect of pH on ...

15/9/2006, · Abstract. This paper describes the effect of pH on the selection of the best treatment ,scheme, for the reclamation ,of acid, dye bath wastewaters (ADBW) of carpet manufacturing industry. ADBW, having acidic pH (5.0–5.9) originally, was subjected to pre-,filtration, through 1.0 μm microfiltration (MF) media prior to nanofiltration (NF).

Treatment of wastewater by electrocoagulation: a review ...
Treatment of wastewater by electrocoagulation: a review ...

17/11/2013, · The electrocoagulation (EC) process is an electrochemical means of introducing coagulants and removing suspended solids, colloidal material, and metals, as well as other dissolved solids from water and wastewaters. The EC process has been successfully employed in removing pollutants, pesticides, and radionuclides. This process also removes harmful microorganisms. More …

SYLLABI
SYLLABI

Experiment, No.1: Determination of pH, acidity-alkalinity of water sample ,Experiment, No.2: Total suspended solids, total dissolved solids (TDS) of water sample ,Experiment, No.3: Total hardness (TSS) and Ca & Mg hardness of water sample ,Experiment, No.4: Chloride, sulphate, nitrate in water sample

Recent Applications of Electrocoagulation in Treatment of ...
Recent Applications of Electrocoagulation in Treatment of ...

A comparison of EC and EO (electro-oxidation) in treating ,Acid, Green dye 50-based synthetic ,wastewater, was done. Both processes were carried out in novel cathodic H 2 -gas-stirred batch reactors. This was proposed to reduce the capital and operating costs of the reactor by making mechanical stirring unnecessary, provided that the EC cell is designed properly.

High Performance Nanofiltration Membrane for Effective ...
High Performance Nanofiltration Membrane for Effective ...

Figure 5. Retention of PFOA by PIP + BP, PIP, and NF270 membranes in (a) DI ,water, and (b) combined salt feed solutions. The combined salt feed solution was prepared by mixing 5 mM NaCl, 5 mM CaCl 2, and 5 mM Na 2 SO 4 for a total ionic strength of 35 mM. The PFOA concentration employed in NF experiments was 1 mg/L.

HF6128 FinalPaper 2017-11-13 10.06.04 DNXQPF
HF6128 FinalPaper 2017-11-13 10.06.04 DNXQPF

The starch [on graft chain can be removed by ,acid, solution 8].The method is to take the graft copolymer 1.0g at room temperature, add 5mL water and 5mL concentrated hydrochloric ,acid,, and heat in the distillation bottle for 2 minutes. Then, the precipitate is precipitated with methanol in ice

MIT - Massachusetts Institute of Technology
MIT - Massachusetts Institute of Technology

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Reclamation of acid dye bath wastewater: Effect of pH on ...
Reclamation of acid dye bath wastewater: Effect of pH on ...

This paper describes the effect of pH on the selection of the best treatment ,scheme, for the reclamation ,of acid, dye bath wastewaters (ADBW) of carpet manufacturing industry.

Expat Dating in Germany - chatting and dating - Front page DE
Expat Dating in Germany - chatting and dating - Front page DE

Expatica is the international community’s online home away from home. A must-read for English-speaking expatriates and internationals across Europe, Expatica provides a tailored local news service and essential information on living, working, and moving to your country of choice. With in-depth features, Expatica brings the international community closer together.

Education Development Center
Education Development Center

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(PDF) Treatment of petroleum refinery wastewater by ...
(PDF) Treatment of petroleum refinery wastewater by ...

This research has proven that Ca(OH)2 and Al2(SO4)3 were effective in treatment of oil ,wastewater,. Central Composite ,Design, was applied to two factors, the Al2(SO4)3 dosage and pH.

Richard M. Green Research Assistant i
Richard M. Green Research Assistant i

Results of Experiments #1 - #10 indicated that dilute acidification (0.006 M) of a sample with glycolic ,acid, is capable of approximating the autoclaving yield of the sample, but that even a ten (10) percent solution of that sample, after ,neutralization,, greatly inhibits subsequent algal. m. growth. Therefore, it was decided that glycolic ,acid, ...

Treatment of wastewater by electrocoagulation: a review ...
Treatment of wastewater by electrocoagulation: a review ...

17/11/2013, · The ,electrocoagulation, (EC) process is an electrochemical means of introducing coagulants and removing suspended solids, colloidal material, and metals, as well as other dissolved solids from water and wastewaters. The EC process has been successfully employed in removing pollutants, pesticides, and radionuclides.

Eclipse Git repositories
Eclipse Git repositories

abs acos acosh addcslashes addslashes aggregate aggregate_info aggregate_methods aggregate_methods_by_list aggregate_methods_by_regexp aggregate_properties aggregate_properties_by

BOP Operation Presentation-final (3) | Wastewater | Sewage ...
BOP Operation Presentation-final (3) | Wastewater | Sewage ...

Wastewater, treatment system E V E R L A S T I N G S I N C E R I TY D Y N A M I C L I F E The project of industrial ,wastewater, treatment system in power plant is set in the Southeast corner. Industrial ,wastewater, treatment system in 4 150MW unit capacity ,design,, industrial ,wastewater, treatment to deal with the capacity of 2 x 75m3 / h.

High-Performance Flocculants for Purification: Solving the ...
High-Performance Flocculants for Purification: Solving the ...

After standing for 30 min, PAFSi (2 mL, PFS or PAC) was added to ,wastewater, (50 mL, 11.53% of light transmittance at 2 cm under the surface) and mixed at 200 rpm for 3 min, followed by quiescent settling for 30 min Then, the ,wastewater, 2 cm below the liquid surface was collected for transmittance measurement under 590 nm of the maximum absorption wavelength, and the transmittance was …

Treatment of TMAH solutions from the microelectronics ...
Treatment of TMAH solutions from the microelectronics ...

1/10/2019, · The reaction of ,neutralization, time is set to 1 h. The amount of sulfuric ,acid, solution (50% wt) to add is 0.1 kg/h. During this step, the micronutrients are added (0.05 kg/L) for bacteria growth. The solution after ,neutralization, is sent to the biological section including three reactors in series.

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