THE EFFECTIVENESS OF PSEUDOMONAS FLUORESCENS AS A CADMIUM METAL ABSORBER IN THE LEACHATE OF COLD WATER WASTE LANDFILLS

Yanti Rahayu, Dina Putri Mayaserly, Corry Handayani

Abstract


ABSTRACT

 

Garbage is a serious problem in big cities and regions but the development of waste management is not proportional to the rate of waste piles which will undergo a decomposition process marked by physical, biological and chemical changes. The organic material in the waste undergoes decomposition to produce leachate. Organic materials and heavy metals, especially Cd metal contained in the waste, can be reduced using the Pseudomonas fluorescens bacteria on a laboratory scale. The bacteria used is one of the bacteria as an absorber of Cd metal in leachate found in Cold Water TPA. The parameter tested was the optimal absorption capacity of Cd by Leachate. This research was conducted with a density of 0.5 × 108 / ml with an optimal absorption capacity of 41.622%, 1 × 108 / ml with an optimal absorption capacity of 55.202%, 2 × 108 / ml with an optimal absorption capacity of 59.082%, 3 × 108 / ml with an optimal absorption capacity of 66.313%. and 4 × 108 / ml optimal absorption capacity of 72.045% and from the results of research conducted on Leachate by the bacteria Speudomonas fluorescens was effective in absorbing Cd metal.

 

Keywords: Garbage, Cadmium Metal, leachate, Pseudomonas fluorescens


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