anodes for the electrolytic production of nitrogen

Kerry Renard Berger Inventions, Patents and Patent

Anodes for the Electrolytic Production of Nitrogen Trifluoride and Fluorine Publication number: 20140110269 Abstract: A process and an anode for the production of nitrogen trifluoride or fluorine where the anode in the electrolytic cell is made primarily from parallel ordered anisotropic carbon, including needle coke and/or mesocarbon microbeads.

Effect of Elemental Composition on the Structure,

A schematic drawing of the electrolysis cell used for ozone production and in situ measurement showing (1) standard UV cells, (2) 0.1 M H 2 SO 4 solution as the electrolyte, (3) modified Ti mesh anode, (4) Pt foil cathode, (5) Ag AgCl wire reference electrode, and (6) cell cover.

Preparation of renewable lignin

It could be speculated that the C SAN-750 with higher content of nitrogen might possess the better performance as the anodes for lithium-ion batteries. The specific surface area and pore structure of the carbon materials were investigated by Bruauer–Emmett–Teller (BET) equation, and the related textural properties were summarized in Table 2 .

SELENIUM AND TELLURIUM: STATE OF THE MARKETS, THE CRISIS,

As in the case of selenium, the main industrial source of tellurium is sludge formed in the electrolytic cleaning of copper anodes. The market for tellurium is extremely small, and according to various estimates the total commercial production of this element

Actinium radioisotope products of enhanced purity

Electrolytic production of high purity aluminum using inert anodes Patent Ray, Siba P [Murrysville, PA]; Liu, Xinghua [Monroeville, PA]; Weirauch, Jr., Douglas A. (Murrysville, PA) A method of producing commercial purity aluminum in an electrolytic reduction cell comprising inert anodes is disclosed.

Anodes for the Electrolytic Production of Nitrogen

Thus, there remains a need for anodes which form fewer by-products in the electrolytic production of NF 3 or F 2 and thereby produce higher purity NF 3 or F 2, anodes which have better dimensional integrity, and anodes that minimize or reduce polarization.

Performances of metal fluoride added carbon anodes with

2011/4/301. Introduction A large amount of nitrogen trifluoride (NF 3) is currently produced and consumed as a dry etchant and a cleaning gas for CVD processes in the electronic industry in Japan.Two methods are known for electrolytic production of NF 3: One is the electrolysis of molten NH 4 F2HF with nickel anode, and the other is the electrolysis of molten NH 4 FKF4HF with carbon anode .

Utilization of Biocoke as Raw Material for Carbon Anode Production

results in anodes with properties similar to those of the standard anodes. Keywords: biocoke, carbon anode, GHG emissions, CO 2 and air reactivities, petroleum coke 1. Introduction Carbon anode plays multiple roles during the electrolytic production of

Processes

The production of chlorates and perchlorates during electrolytic treatment of synthetic urine by BDD and DSA anodes hinders any technical applications. However, the control of the current density can play an important role in overcoming this obstacle because lowering the current density to values ≤20 mA/cm 2 with DSA anodes produces very low amounts of chlorates and perchlorates, which fits

Inert anode designs for reduced operating voltage of

Inert anodes useful in electrolytic aluminum production cells are disclosed. The inert anodes have sloped bottom surfaces with controlled bubble release angles. In one embodiment, the bottom surface is substantially conical with a bubble release angle of up to 30

2.C.3 Aluminium production Aluminium production (electrolysis) 030310 Secondary aluminium production

2.C.3 Aluminium production EMEP/EEA emission inventory guidebook 2013 6 Sderberg anodes are made in situ from a paste of calcined petroleum coke and coal tar pitch, which is baked by the heat arising from the molten bath. The current is fed into the

Electrolytic, Rounds, High

Electrolytic Cobalt Rounds are used wherever a high-purity form of cobalt is required; for example, in the production of cobalt-based super alloys. Cobalt is an important constituent of alloys with high temperature oxidation, corrosion resistance properties and a critical component of a wide variety of magnetic alloy and hard metals.

Electrolytic production of sodium persulfate

This invention relates to the electrolytic production of sodium persulfate using a neutral anolyte feed solution. Salts of peroxydisulfuric acid, particularly ammonium peroxydisulfate and sodium peroxydisulfate are chemicals which have been found particularly useful by the printed circuit industry as the best available materials for cleaning copper before plating and soldering operations.

Electrolytic Manganese Manganese Dioxide from Low

The production cost of electrolytic manganese dioxide is reckoned at about Rs. 600 per ton, allow ing margin for various factors; the price of the imported product is more than Rs. 1,000 per ton. IN the past five years (1951 to 1956) a total

DEVELOPMENT OF TECHNIQUES AND TOOLS FOR THE

DEVELOPMENT OF TECHNIQUES AND TOOLS FOR THE DETERMINATION OF CARBON ANODE QUALITY Duygu Kocaefe1, Yasar Kocaefe1, Dipankar Bhattacharyay1, Bazoumana Sanogo1, Yao Ahoutou1, Hang Sun1, Patrick Coulombe2 1Centre universitaire de recherche sur l'aluminium (CURAL), University of Quebec at Chicoutimi, 555, boul. de l'Universit, Chicoutimi,

Electrolytic production of NF3 with a LiNiO2 coated nickel

2001/8/31A nickel sheet coated with LiNiO 2 powder having average particle sizes of 40 and 50 μm in diameter by atmospheric plasma spraying technique was employed as the anode for electrolytic production of NF 3.In electrolysis of a molten NH 4 F2HF at 100 C and 25 mA cm −2, the anode gas generated at the LiNiO 2 coated Ni sheet anode was composed of N 2, O 2, NF 3, N 2 F 2, N 2 F 4,

Electrolytic and electro

Production of oxidants increases with the current density although in lower ratio than expected. These results are of great importance because clearly point out that electrolytic technologies can be applied to minimize the diffuse pollution associated to pharmaceuticals before discharge into municipal sewers.

Electrocoagulation for Treatment of Industrial Effluents and Hydrogen Production

sacing anodes to be used up in electrolytic oxidation for the production of Al(OH)3XH2O and Fe(OH)3XH2O respectively in different batch experiments. This study was also partially focused to compare the effectiveness of Aluminium (Al) and Iron (Fe) as

Electrolytic process for the production of ozone

Lead dioxide anodes on the other hand, require perhaps 90 minutes to reach maximum ozone production. Ozone current efficiencies were determined utilizing electrolytes, anodes, currents, in accordance with the invention, were determined in a series of tests.

NF3 Production from Electrolysis in Molten Fluorides

2013/1/1Boron-doped diamond anodes have been developed to suppress the anode effect and a gradual increase in electrolytic voltage in the production of F 2 []. Figure 11.10 shows the galvanostatic polarization curves of BDD anodes with various concentrations of boron in a molten NH 4 F • 2.0HF without a Ni 2 + ion and a pristine carbon FE-5 anode in a NH 4 F • KF • 4.0HF.

Production of high purity radiothallium (Patent)

Electrolytic production of high purity aluminum using inert anodes Patent Ray, Siba P [Murrysville, PA]; Liu, Xinghua [Monroeville, PA]; Weirauch, Jr., Douglas A. (Murrysville, PA) A method of producing commercial purity aluminum in an electrolytic reduction cell comprising inert anodes is disclosed.

Effect of Elemental Composition on the Structure,

A schematic drawing of the electrolysis cell used for ozone production and in situ measurement showing (1) standard UV cells, (2) 0.1 M H 2 SO 4 solution as the electrolyte, (3) modified Ti mesh anode, (4) Pt foil cathode, (5) Ag AgCl wire reference electrode, and (6) cell cover.

Exploring the Emission Characteristics and Reduction Potential of

In the production of electrolytic aluminum, procedures invol-ving anode assembly, residual treatment, the mixer furnace, electrolytic cells, and so on are polluting Figure 1. Output of electrolytic aluminum, alumina, and carbon for aluminum in China between 2005

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