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Abstract Red Mud is a bauxite solid waste which dangerous for the environment because of its alkalinity (10-13). With very high pH, it can interfere with hydrological conditions areas that are directly affected by mud. Efforts to utilize red mud have use-value been widely carried out. consists Gibbsite, Hematite and Cristobalite. The main ingredients Fe 2 O 3 , Al SiO still be utilized 44.66%, ...

Bauxite residue (red mud), which is an industrial byproduct, contains valuable trace elements. Solid NH4Cl was used as a chlorinating agent during the microwave heating of red mud to convert elements into soluble metal chloride. Red heated using ovens under various conditions (i.e., with addition solid and range output powers times). Leaching tests were then conducted deionized (DI) water on mi...

Trawl surveys were conducted in 2000 and 2001 to examine patterns of distribution and abundance of postsettlement red snapper (Lutjanus campechanus) on a shell bank, Freeport Rocks Bathymetric High (FRBH), in the northwestern Gulf of Mexico. In addition, otolith-based methods were used to determine age, hatch-date, growth and mortality of new recruits associated with FRBH. Date and region were ...