Fly ash is the fine solid particulate residue driven out of the boiler with the flue gases in coal-
fired power plants. Now it can be used for making geopolymer which acts as a cement-like …

The petroleum and cement manufacturing industries have been accused of contributing
substantial quantities of carbon dioxide (CO 2) into the atmosphere. Additionally, Portland …

Increasing greenhouse gas emissions have put pressure on global economies to adopt
strategies for climate-change mitigation. Large-scale geological hydrogen storage in salt …

Effective geologic sequestration of C02 requires long-term storage with very low leak rates.
Injection wells are an obvious leakage pathway for C02 because they perforate the …

Application of cement in high-pressure high-temperature (HPHT) carbonic acid containing
environment poses serious well integrity issues. HPHT condition facilitates acid attack on …

Emissions of greenhouse gases have been a major problem for the world for many decades,
and the geo-sequestration of carbon dioxide (CO2) has been proposed as one of the best …

Oil well cement is a necessary sealing material for carbon dioxide storage wells and oil and
gas wells containing carbon dioxide, but it is easily corroded by carbon dioxide fluids. Due to …

In the petroleum industry, ordinary Portland cement (OPC) is utilized for different cementing
applications. Yet, there are some technical and environmental issues for the usage of OPC …

Abstract In 1997 at Kyoto, Japan, world leaders agreed to reduce the carbon emission by
innovating existing and implementing new technologies. During a conference meeting in …

Driven by the needs for reduced waste disposal and a sustainable environment, many
efforts have been made to recycle coal combustion products. Fly ash, for instance, has been …