Application of alginate-immobilized microalgae beads as biosorbent for removal of total ammonia and phosphorus from water of African cichlid (Labidochromis lividus) recirculating aquaculture system

Immobilized microalgae are a promising approach to incorporate microalgae in recirculating aquaculture system (RAS) for water purification. In the present study, two types of biosorbents including sodium alginate–immobilized Scenedesmus spp. and Chlorella spp. beads (algal beads) and sodium alginate...

Full description

Saved in:
Bibliographic Details
Published in:Environmental science and pollution research international 2022-02, Vol.29 (8), p.11432-11444
Main Authors: Sarkheil, Mehrdad, Ameri, Maryam, Safari, Omid
Format: Article
Language:English
Subjects:
Algae
Alginates
Alginic acid
Ammonia
Animals
Aquaculture
Aquatic microorganisms
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Beads
Biofilters
Biomass
Chlorella
Cichlids
Cultivation
Earth and Environmental Science
Ecotoxicology
Efficiency
Environment
Environmental Chemistry
Environmental Health
Environmental science
Experiments
Fish
Labidochromis lividus
Microalgae
Nitrates
Nitrogen
Phosphorus
Research Article
Sodium
Sodium alginate
Static tests
Survival
Waste Water Technology
Wastewater
Water Management
Water Pollution Control
Water purification
Water quality
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Immobilized microalgae are a promising approach to incorporate microalgae in recirculating aquaculture system (RAS) for water purification. In the present study, two types of biosorbents including sodium alginate–immobilized Scenedesmus spp. and Chlorella spp. beads (algal beads) and sodium alginate beads without microalgae (alginate beads) were prepared. In the first experiment (static test), the potential of two biosorbents to remove different concentrations of total ammonia nitrogen (TAN) and total phosphorus (TP) from water was investigated. In the second experiment, two prepared biosorbents were used as biofilter in a RAS for rearing African cichlid ( Labidochromis lividus ) for 30 days. The survival rate and growth indices of fingerling fish and removal efficiency of two biosorbents for TAN, NO 3 — N, and TP were determined. The results of static test showed that the removal efficiency and uptake capacity of the two biosorbents for TAN and TP increased during 30 days of the experiment, and these values for the algal beads were higher than the alginate beads. The TAN removal efficiency of the two biosorbents increased with increasing TAN concentration from 0.5 to 5 mg L −1 . The application of algal beads in the RAS improved the survival rate, final weight, final length, weight gain, and daily growth index (DGI%) indices of fish compared to those cultured in the RAS containing the alginate beads and the control ( P
ISSN:0944-1344
1614-7499
DOI:10.1007/s11356-021-16564-w