SULPHUR ADDITIVE AND SULPHUR MODIFIED BITUMEN

• Main Authors: CHINTHALAPATI, Siva Kesava Raju, KANALA, Raghava Krishna, KRISHNAMURTHY, Narayanan, DONI, Eswararao, BALASUBRAMANIAM, Ravi
• Format: Patent
• Language: English; French; German
• Published: 15.02.2023
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FERROUS OR NON-FERROUS ALLOYS; FIXED CONSTRUCTIONS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The present disclosure discloses an additive for preparing modified bitumen comprising a) sulphur with a weight percentage in the range of 90-95% with respect to the additive; b) at least two H2S suppressants with a combined weight percentage in the range of 4-7% with respect to the additive; c) bitumen with a weight percentage in the range of 0.5-3% with respect to the additive; and d) at least one smell masking agent in the range of 0.05-1.0% with respect to the additive. The present disclosure provides a convenient process for the preparation of the additive. The present disclosure also reveals a sulphur modified bitumen and a process for preparing the sulphur modified bitumen.