Title:
H2S抑止剤含有硫黄ペレット
Document Type and Number:
Japanese Patent JP2007514034
Kind Code:
A
Abstract:
The invention provides a sulphur pellet comprising at least one H2S-suppressant, comprising in the range of from 60 to 100 wt % elemental sulphur, based on the total weight of the pellet. 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 palletizing the mixture obtained in step (a) in a palletizing 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.
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Inventors:
Immantz Dieme
Application Number:
JP2006543546A
Publication Date:
May 31, 2007
Filing Date:
December 08, 2004
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C08K3/06; C01B17/00; C01B17/02; C04B14/30; C04B14/36; C04B22/02; C04B22/06; C04B26/26; C04B28/36; C08K3/00; C08K3/08; C08K3/32; C08K5/17; C08L95/00; E01C7/22; E01C7/26
Domestic Patent References:
| JPS4926325A | 1974-03-08 | |||
| JPS5163391A | 1976-06-01 | |||
| JPS50105716A | 1975-08-20 | |||
| JPS4942713A | 1974-04-22 | |||
| JPH08259821A | 1996-10-08 |
Attorney, Agent or Firm:
Kazuho Kawarada