Zobrazeno 1 - 10
of 259
pro vyhledávání: '"Zečević, N."'
Publikováno v:
Kemija u Industriji, Vol 62, Iss 09-10, Pp 299-305 (2013)
In order to obtain additional quantities of hydrogen after the reforming reactions of natural gas and protect the ammonia synthesis catalyst, it is crucial to achieve and maintain maximum possible activity, selectivity and stability of the low temper
Externí odkaz:
https://doaj.org/article/b77d6c23de014c6a81f24379e0f80aeb
Autor:
Ćosić, L., Zečević, N.
Publikováno v:
Kemija u Industriji, Vol 62, Iss 01-02, Pp 13-18 (2013)
Industrial nitric acid production by oxidation of gaseous ammonia with Ostwald procedure produces an unwanted by-product – colorless nitrous oxide, N2O. As emission of N2O represents a very serious problem due of its huge contribution to global war
Externí odkaz:
https://doaj.org/article/71b1dd3354a24251a4f1b0cdf860bb53
Autor:
Ljubičić, M., Zečević, N.
Publikováno v:
Kemija u Industriji, Vol 61, Iss 07-08, Pp 335-340 (2012)
The heart of the nitric acid production process is the chemical reactor containing a platinum-based catalyst pack and an associated catchment system, which allows the ammonia oxidation reaction to take place efficiently. Under the severe operating co
Externí odkaz:
https://doaj.org/article/31fbc1fb65954ae295a28e4c61373a16
Publikováno v:
Kemija u Industriji, Vol 61, Iss 04, Pp 205-214 (2012)
Every industrial production, particularly chemical processing, demands special attention in conducting the technological process with regard to the security requirements. For this reason, production processes should be continuously monitored by means
Externí odkaz:
https://doaj.org/article/47209609e4fa4a0bb0dc6a8ef1c5c4b7
Publikováno v:
Kemija u Industriji, Vol 60, Iss 11, Pp 543-549 (2011)
This paper presents the application of low-temperature selective catalytic reduction of nitrous oxides in the tail gas of the dual-pressure process of nitric acid production. The process of selective catalytic reduction is carried out using the TiO2/
Externí odkaz:
https://doaj.org/article/1ccbadbfe3ee4ee39eaecd9a5fe04dec
Autor:
Zečević, N.
Publikováno v:
Kemija u Industriji, Vol 60, Iss 10, Pp 497-503 (2011)
The first step in processing raw water from the Pakra lake for use in fertilizer production at Petrokemija is oxidation of total organic carbon matter with gaseous chlorine, Cl2. Thereupon it is clarified and filtered with the help of a clarification
Externí odkaz:
https://doaj.org/article/9c4298cc554144a3978f3fb1af996b9c
Publikováno v:
Kemija u Industriji, Vol 60, Iss 10, Pp 491-496 (2011)
In the process of raw water treatment for use in the petrochemical industry, one of the most important treatments is the filtration process with process sand filters. A by-product of the filtration process of raw water is wastewater. The wastewater r
Externí odkaz:
https://doaj.org/article/ac78eafd878440ef9ea0fb8d2f27b3e9
Publikováno v:
Kemija u Industriji, Vol 60, Iss 02, Pp 51-59 (2011)
Tail gases of low calorific value, which are the by-product of oil-furnace carbon black industrial production, can be efficiently used as energy before their final release into the atmosphere. Apart from being used mainly for heating dryers, producti
Externí odkaz:
https://doaj.org/article/64f017820f5048cb9731999ae5e8cb66
Publikováno v:
Kemija u Industriji, Vol 59, Iss 01, Pp 1-9 (2010)
During the industrial production of oil furnace carbon black, tail gases containing oil-furnace carbon black dust particles are emitted to the atmosphere. In the carbon black plant, Petrokemija d. d., there are six exhaust stacks for tail gases. Each
Externí odkaz:
https://doaj.org/article/a308dbd39b984c36910398dfb94c41b0
Publikováno v:
Kemija u Industriji, Vol 58, Iss 01, Pp 11-23 (2009)
This paper describes the production technology of oil-furnace carbon black, as well as the selected solution for preventing the emissions of this process from contaminating the environment.The products of industrial oil-furnace carbon black productio
Externí odkaz:
https://doaj.org/article/956b4b6a160d4130aeefb33232d5086d