Biodegradation of phenol using a algal mat (Oscillatoria, Johannesbaptistia, Calothrix, Lyngbya, Chroococcus, Aphanothece)

Date

6-1996

Degree

Bachelor of Science in Chemistry

College

College of Arts and Sciences (CAS)

Adviser/Committee Chair

Juanita C. Mamaril

Abstract

ROBIELOS, ROY ANTHONY C. College of Arts and Sciences, University of the Philippines Los Banos. June 1996. BIODEGRADATION OF PHENOL USING AN ALGAL MAT (Oscillatoria, Johannesbaptistia Calothrix. Lyngbya, Chroococcus Aphanothece).

Adviser: Dr. Juanita C. Mainaril

ABSTRACT

Biodegradation of phenol using an algal mat was examined. Different strains of algae were used to construct the algal mat. The algae which were capable of utilizing phenol as a sole carbon source were Oscillatoria, Johannesbaptistia, Calothrix, Lyngbya, Chroococcus, and Aphanothece.

The constructed algal mat adapted for phenol tolerance showed an average of 68% and 67% degradation for using 10 and 5 grams of algae, respectively, while for 200 mg/L phenol, an average of 72%, 67A, 57/0 using 10, 5, 3 grams of algae, respectively were observed. For 100 mg/L phenol, 24.02% degradation was observed using 5 grams of algae.

The rate of disappearance of phenol followed FIRST •order kinetics. The half-lives for 500 mg/L were 7.20 and 6.96 days using 10 and 5 grams algae,respectively. For 200 mg/L, the computed half-lives were 5.08,7.45, and 5.33 days using 10, 5, 3 grams of algae, respectively. For 100 mg/L, 2.94 days was the half-life using 5 grams of algae.

The algal mat remained intact and still showed active growth even without nutrient supplementation after 15 days of incubation with standard phenol solution.

This study demonstrated the good potential of algal mat for the degradation of phenol.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

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