Title:
H2S抑止剤含有硫黄ペレット
Document Type and Number:
Japanese Patent JP5296987
Kind Code:
B2
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.
Inventors:
Immantz Dieme
Application Number:
JP2006543546A
Publication Date:
September 25, 2013
Filing Date:
December 08, 2004
Export Citation:
Assignee:
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BESLOTEN VENNOOTSHAP
International Classes:
C08L95/00; C01B17/00; C01B17/02; C04B14/30; C04B14/36; C04B22/02; C04B22/06; C04B26/26; C04B28/36; C08K3/00; C08K3/06; C08K3/08; C08K3/32; C08K5/17; E01C7/22; E01C7/26
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Okimoto Kazuaki
Takumi Terachi
Yasuko Tagami
Katsuhiko Noguchi
Okumura Yoshimichi
Yasushi Kobayashi
Hiroyuki Tomita
Osamu Hoshino
Okimoto Kazuaki
Takumi Terachi
Yasuko Tagami
Katsuhiko Noguchi
Okumura Yoshimichi