Blausäure – HCN

Guichon fertigt Sonderarmaturen zur Herstellung von Blausäure – HCN

Ablassventile, Absperrventile, Keilplattenschieber, Kugelhähne, Absperrklappen, Rückschlagklappen Schaugläser & Siebfilter

FAQ
Rückschlagklappe
Typ : 902

DN 15 bis 600 PN 10 bis 420

Edelstähle, Duplexstähle, Nickellegierungen, Sonderstähle

Rückschlagklappe 
Typ : 902
Schauglas
Typ : 803

DN 15 bis 200 PN 10 bis 40
– Anschluss feste oder geschraubte Flansche
Edelstähle oder Sonderlegierungen
Schauglas 
Typ : 803

Herstellung

  • Materialen C-Stahl (CS), Edelstahl (SS), Duplex & Super Duplex, Titan (Ti), Zirkonium (Zr), Uranus® B6, Tantal (Ta), Nickel (Ni), Hastelloy®, Monel
  • Konstruktion Schweisstechnik, Gusstechnik, Aus dem Vollen (Monoblock)

Verwendung

  • Betriebsbedingungen Hochdruck, Hochtemperatur, Tieftemperatur, Abrasion, Korrosion, Hochviskosität, Vakuum, Langlebigkeit, Geräuscharmut, Totraumfreiheit
  • Medien Flüssigkeiten, Flüssigkeiten mit festen Bestandteilen, Gas, Pulver und pulverartige Medien, Viskose und hochviskose Medien

FAQ - Blausäure - HCN

Blausäure – HCN – Anwendungen von Blausäure :

Hydrocyanic acid is mainly used for the manufacture of products such as acrylonitrile, adiponitrile, cyanogen chloride, cyanuric chloride, acrylates and methacrylates, cyanide, ferrocyanide, chelating agents (EDTA, ….). It is also used as an insecticide and rodenticide, usually by fumigation.

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Blausäure – HCN – Herstellungsprozess von Blausäure :

Hydrogen cyanide (HCN) is an important chemical with over a million tons produced globally each year. The watery liquid or gas is used in a variety of syntheses including the production of adiponitrile (for nylon), methyl methacrylate, sodium cyanide and chelating agents. Most hydrogen cyanide is consumed at its production site, forming other higher-value products.

The method which has proved successful for HCN manufacture is based on that described by Andrussow in 1930 which employs methane, ammonia and air at high temperatures (1100-1200°C). Apart from the greater complexity of the recovery arrangements, the operating characteristics of the processes that are being used today are closely similar to those established by Andrussow.

The various modifications of the process differ in their sources of methane, in the proportions of reacting gases, in the nature of the platinum metal catalyst, and in the means of collecting and purifying the product, and recovering or recycling the excess ammonia. Commonly, unreacted ammonia is removed by washing with sulfuric acid. Hydrogen cyanide is then obtained as an aqueous solution by washing with water and followed by distillation and condensation. These steps are represented in figure 1

Figure 1. Flow diagram of the process for the catalytic synthesis of hydrogen cyanide from methane, ammonia and air.

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Blausäure – HCN – Empfohlene Ventile :

depending on temperature and concentration, the valves must be made with a compatible material such as Hastelloy C (276) 316 SS.

Posted in: FAQ - Blausäure - HCN