Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 35, Issue 14, Pages 1515-1522Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2017.1356850
Keywords
biofertilizer; bioremediation; cleaner production; effective microorganism technology; petroleum sludge
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A study was designed for the bioremediation of waste sludge from a petroleum refinery applying effective microorganism (EM) technology. The treated sludge was found rich in organic matter, nitrogen, phosphorus, potassium (N, P, K) and was mixed with clean soil (1:1) to prepare a product named as EM biofertilizer. The EM biofertilizer was compared with FYM. It was shown that the field using EM biofertilizer given 275kg yield compare to the 230kg yield obtained with farm yard manure (FYM). The quantity of heavy metals in onion using EM biofertlizer was all within the EU 2006 permissible limits.
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