FREMGANGSMAATE VED TILSETNING AV EN ILLELUKTENDE BESTANDDEL TIL EN GASS OG VAESKEGASSBLANDING,申请号NO19920004460-传众专利搜索

FREMGANGSMAATE VED TILSETNING AV EN ILLELUKTENDE BESTANDDEL TIL EN GASS OG VAESKEGASSBLANDING

申请公布号：NO924460(A)

申请号：NO19920004460

申请日期：1992.11.19

申请公布日期：1992.11.19

申请人：

AGA AB

发明人：SMAARS ERIK;SOUMINEN TIMO

分类号：B01F3/02;C10J1/28;C10L3/00;C10L3/10

主分类号：B01F3/02

摘要：The invention has regard to a method of adding a malodorant to a consumer gas, such as oxygen, natural gas, propane gas, town gas or some other combustible gas, an odorless, toxic gas or a more or less inert gas distributed to a consumer station for the purpose of warning individuals in the surroundings that there is a risk of fire, explosion, suffocation, toxicity or some other risk due to the presence of consumer gas in the surrounding atmosphere as a result of leakage, negligence or some other reason, said method including the step of mixing a master gas, i.e. a carrier gas diluted with malodorant, with the consumer gas. The characteristic feature of the method comprises dissolving the malodorant in the form of an organic sulphur compound or a mixture of two or more organic sulphur compounds, these compounds comprising tetrahydrothiophene, methyl mercaptan, ethyl mercaptan, propyl mercaptan and butyl mercaptan, dimethyl sulphide, diethyl sulphide and methylethyl sulphide, in condensed carbon dioxide, sulphur hexafluoride or dinitrogen oxide in a pressure vessel, thereby obtaining in the pressure vessel a liquid phase, consisting of a solution of malodorant in the condensed gas, and a gas phase; and removing the liquid phase from the vessel, vaporizing said liquid phase and supplying the resultant vapor phase to the consumer gas, which is distributed to the consumer. The invention also relates to a gas mixture consisting of the malodorant in condensed carbon dioxide, sulphur hexafluoride or nitrous oxide.