Influence of sulfide loading and cell concentration to biological sulphur recovery performance using Thiobacillus sp. consortiums

• Main Author: Hendrawan - Nim: 13013080 , Andre
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/21062
• Institution: Institut Teknologi Bandung

Conventional sulphur recovery process like Claus or liquid redox process are not economically attractive when used to treat sulphide gas (H2S) contained in natural gas in Indonesia. Biological sulphur recovery is used as a more economically attractive alternative process to treat little amount of H2S in Indonesian natural gas. <br /> <br /> <br /> This research aim to explicate the sulfide loading influencing biological sulphur recovery process which is sulfide concentration and dilution rate. Experiment is conducted in laboratorium scale of biological sulphur recovery unit (BSRU) by Thiobacilus sp. consortiums as the biocatalyst. <br /> <br /> <br /> Operation conditions in which examining are sulphide concentration and dillution rate. Sulphide concentration is performed at 68, 136 and 204 ppm by using sodium sulphide (Na2S). Dilution rate is observed at 0.08; 0.11; and 0.20/hour. Operation parameter profiles such as pH, sulphide concentration, biomass, redox potential, dissolve oxygen (DO), and alkalinity are observed. Biosulphur is investigated qualitatively by using settling test and XRD analysis. The highest sulphur yield is achieved at sulphide concentration 136 ppm and dilution rate 0,08/hour.