Patent · US Active

Sulfur steel-slag aggregate concrete

US8652251B2 · kind B2 · utility

1Cited by
12References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 2013
Grant dateFeb 18, 2014
Priority date
Expiry dateJan 28, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02W30/91
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A sulfur-steel slag aggregate concrete, and methods of preparing the sulfur-steel slag aggregate concrete and disposing of elemental sulfur, are disclosed. In embodiments, the sulfur-steel slag aggregate concrete includes elemental sulfur, steel slag aggregate, limestone powder, and sand. Modifiers, such as plasticizers, are not required and are not used in embodiments of the sulfur-sand limestone mortar. In embodiments of the method to prepare the sulfur-steel slag aggregate concrete, each of the elemental sulfur, limestone powder, steel-slag, and sand are heated to at least 140 C, then combined, and then allowed to solidify.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.