EFFECT OF GEOPOLYMER CEMENT IN ACIDIC WELL

Che-ubong, Roosalee (2014) EFFECT OF GEOPOLYMER CEMENT IN ACIDIC WELL. [Final Year Project] (Unpublished)

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Abstract

Cement manufacturing industries which release a great amount of CO2; CO2 is one of the greenhouse gases which gives high impact to global warming. In this case, it is important to find and develop the environmental friendly cement slurry to reduce the amount of CO2 to the environment. Geopolymer cement is a geopolymer material in cement slurry that can reduce the CO2 in the part of manufacture. Furthermore, it has good compressive strength, low cost, stronger resistance to corrosion, acid resistance, and low cost. In the oil well cementing has various parameters that affect the cement properties such as pressure, temperature, acid and etc. This project is aimed to study on Fly-ash based Geopolymer cement properties on compressive strength at various concentrations of Sodium hydroxide (NaOH) and study the effect of Fly-ash based Geopolymer cement and Class G cement in sulfuric acid (H2SO4) at various concentrations. This would further on lead to the possibility of substituting Ordinary Portland Cement (OPC) with Fly-ash based Geopolymer cement. By substituting OPC with Fly-ash based Geopolymer cement, we should to find the best formulation of Fly-ash based Geopolymer cement slurry to indicate a high compressive strength than the OPC. This project manipulates several variables mainly the concentrations of NaOH solution, curing time and concentrations of H2SO4 solution at various concentrations in order to determine its effect on the Fly-ash Geopolymer compressive strength. The scope of study is focused on preparing the Fly-ash based Geopolymer cement slurry and testing cement slurry according to API-RP-10B. In the experiment, a variable is manipulated and its effect on the Geopolymer compressive strength is observed. From the experiments conducted, we are able to figure out the optimum condition for Fly-ash based Geopolymer cement that would result in a higher compressive strength. It is concluded that 12M of NaOH indicates a higher compressive strength than 10M and 15M. Curing time is directly proportional to compressive strength that means a longer curing time results a high compressive strength. Moreover, H2SO4 solution affects to loss compressive strength and the increasing of H2SO4 concentration considerably affects the compressive strength of OPC and Geopolymer Cement. All of these results has been presented and discussed. The objectives of the final year project have been achieved.

Item Type: Final Year Project
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments / MOR / COE: Geoscience and Petroleum Engineering
Depositing User: Mr Ahmad Suhairi Mohamed Lazim
Date Deposited: 28 Jan 2015 09:50
Last Modified: 25 Jan 2017 09:36
URI: http://utpedia.utp.edu.my/id/eprint/14574

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