发明名称 SULPHUR PELLET COMPRISING H2S-SUPPRESSANT
摘要 The invention provides a sulphur pellet comprising at least one H2S-suppressant. The invention further provides a process for the manufacture of sulphur pellets comprising at least one H2S-suppressant, comprising the steps of: (a) mixing elemental sulphur, one or more H2S~ suppressants and optionally a filler in a mixing unit to obtain a mixture; (b) shaping and/or pelletising the mixture obtained in step (a) in a pelletising unit to obtain H2S-suppressant~comprising sulphur pellets. The invention further provides a process for the manufacture of a sulphur-comprising asphalt paving mixture comprising the steps of: (i) preheating bitumen at a temperature of between 140 and 180 ~C; (ii)preheating aggregate at a temperature of between 140 and 180 ~C; (iii) mixing the hot bitumen with the hot aggregate in a mixing unit, wherein sulphur pellets comprising H2S-suppressant according to the invention are added in at least one of the steps (i), (ii) or (iii). The invention also provides the use of a sulphur~comprising asphalt paving mixture comprising H2S~ suppressant in the paving of roads.
申请公布号 CA2548142(C) 申请公布日期 2012.10.02
申请号 CA20042548142 申请日期 2004.12.08
申请人 SHELL CANADA LIMITED 发明人 DEME, IMANTS
分类号 C08K3/00;C01B17/00;C01B17/02;C04B28/36;C08K3/06;C08K3/08;C08K3/32 主分类号 C08K3/00
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