He said the plant has three so-called tail gas units, which almost entirely reduce certain plant emissions.
2.
Improvements in sulphur extraction technology and the addition of tail gas clean-up units enabled processors to meet these stricter standards.
3.
The company also possesses a modern sulphuric acid plant which was commissioned in 1996, for utilizing the tail gas recycling DCDA ( Double Catalysis Double Absorption ) technology.
4.
The acid plant produces either 94 % or 98 % sulfuric acid with tail gas containing typically 50-70 ppm sulfur dioxide, resulting in a measured sulfur fixation of greater than 99.9 %.
5.
The tail gas from the Claus process still containing combustible components and sulfur compounds ( H 2 S, H 2 and CO ) is either burned in an incineration unit or further desulfurized in a downstream tail gas treatment unit.
6.
Again, as shown in the flow diagram, there are a number of processes available for treating the Claus unit tail gas and for that purpose a WSA process is also very suitable since it can work autothermally on tail gases.
7.
The tail gas from the Claus process still containing combustible components and sulfur compounds ( H 2 S, H 2 and CO ) is either burned in an incineration unit or further desulfurized in a downstream tail gas treatment unit.
8.
The residual gas from the Claus process is commonly called " tail gas " and that gas is then processed in a tail gas treating unit ( TGTU ) to recover and recycle residual sulfur-containing compounds back into the Claus unit.
9.
The residual gas from the Claus process is commonly called " tail gas " and that gas is then processed in a tail gas treating unit ( TGTU ) to recover and recycle residual sulfur-containing compounds back into the Claus unit.
10.
This is highly interesting in refineries, where e . g . hydrogen sulfide ( H 2 S ) gas, sour water stripper gas and Claus tail gas can be led to the SNOX plant, and thereby investment in other waste gas handling facilities can be saved.
मोबाइल