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Home > Archives > Volume 20, No 11 (2022) > Article

DOI: 10.14704/nq.2022.20.11.NQ66163

STUDY OF LANDFILL LEACHATE WATER AS A SOURCE OF PLANT NUTRITION IN CENTRAL KALIMANTAN

Ruben Tinting Sirenden, Sulmin Gumiri, Bambang Supriyono Lautt, Liswara Neneng

Abstract

This study aims to examine the physical and chemical characteristics of leachate from the final waste processing site (FPS) in Palangka Raya City Central Kalimantan Province. The research was carried out at the final waste processing site in Palangka Raya City and at the Laboratory of the Center for Standardization and Industrial Research Banjarbaru, in April-May 2021. The method used was purposive sampling method for leachate sampling. Leachate samples were grouped into 4 station categories (S), namely S1, samples sourced from active waste landfill leachate (age < 5 years); S2, sample sourced from passive waste-backfill leachate (aged 5 - 10 years); S3, the sample is sourced from leachate in the inlet pond of the Leachate Water Treatment Plant (WWTP); S4, the sample is sourced from leachate from the WWTP outlet pond. The research data were statistically analyzed comparatively from each station. Parameters observed included: DOC (Dissolved Organic Carbon), P-Total (PO4), K-Total, N-Total, Nitrate (NO3-), and Sulfate (SO42-). The results showed that leachate from the final waste processing site in Central Kalimantan had DOC was45.57-817.50 mg L-1, PO4Total was 0.001-0.031 mg L-1, K-Total was 11.65-11.95 mg L-1, and N-Total was 69.79-586.24 mg L-1, Nitrate (NO3-) was 0.098- 0.283mg L-1, and sulfate (SO4-2) of 44.80-149.25 mg L-1. Landfill leachate in Palangka Raya FPS contains nutrients that have the potential and are suitable for use as organic fertilizer as a source of nutrients for plants.

Keywords

landfill waste, chemical properties of leachate, plant nutrition

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