Annual productivity of Spirulina (Arthrospira) and nutrient removal in a pig wastewater recycling process under tropical conditions

Olguín, Eugenia J.; Galicia, Sonia; Mercado, Gabriel; Pérez, T. J.

doi:10.1023/a:1023856702544

Cited by 223 publications

(86 citation statements)

References 18 publications

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“…This type of integrated system allows for an economically viable method to both treat wastewater as well as culturing microalgae for biofuel (Mahapatra et al, 2013). Olguín et al (2003) describe a system where 84 to 96% of nitrogen and 72 to 87% of phosphorus was removed from the anaerobic effluent of piggery wastewater by growing algae, thereby reducing eutrophication in the environment.…”

Section: Wastewatermentioning

confidence: 99%

Algae for Africa: Microalgae as a source of food, feed and fuel in Kenya

Moejes¹,

Moejes²

2017

Afr. J. Biotechnol.

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Microalgae are unicellular photosynthetic organisms that inhabit diverse ecological habitats ranging from freshwater and brackish water to seawater and wastewater. They are also especially equipped to thrive in extreme temperatures and pH conditions. Decades of research have highlighted their potential as sources of biofuels, foods, feeds and high-value bio-actives. However, industrial-scale cultivation of microalgae is still not being carried out to its full potential. This review aims to shed light on the potential of microalgal-derived food, feed and fuel in developing countries and to what extent microalgae could be applied to sustainable development efforts with a special focus on Kenya. The Kenyan government has set out a development policy termed 'Kenya Vision 2030' that aims to transform the nation into a newly industrialised country with a high quality of life for all its people by the year 2030. Here we show that, not only does Kenya lie in an optimal geographical region for microalgal cultivation, but that microalgae has the capability to fulfil some of the 'Kenya Vision 2030' goals.

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Section: Wastewatermentioning

confidence: 99%

Algae for Africa: Microalgae as a source of food, feed and fuel in Kenya

Moejes¹,

Moejes²

2017

Afr. J. Biotechnol.

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“…1A). The ammonium removal rate and productivity in the Biocoil for the month of July were 15.5 ± 3.6 mg NH 4 (Table 1).…”

Section: Changes In Environmental Variablesmentioning

confidence: 99%

“…Maraseni and Maroulis [3] concluded that one pig produces 18 L of wastewater daily which corresponds to the sewage output of at least three persons. Poor piggery sewage management contributes significantly to climate change (carbon footprint) by emissions of greenhouse gases, nauseating odour, fly infestation, outbreak of diseases, pollution of soil, surface and ground waters by nutrient enrichment and leaching [3,4]. Hence, the sustainability of this industry depends on the management of the emerging environmental challenges posed by piggery operations.…”

Section: Introductionmentioning

confidence: 99%

“…However, the macromolecular composition (lipids, carbohydrates, proteins, nucleic acids) and pigments contents of microalgae biomass are influenced by growth conditions. Nutrient recovery from anaerobic digestion piggery effluent (ADPE) by microalgae has gained renewed interest over the last decade [2,4,12,13]. Several microalgae have been reported as good candidates for wastewater bioremediation including Chlamydomonas sp., Euglena sp., Micractinium sp., Botryococcus sp., Coelastrum sp., Chlorella sp., Scenedesmus sp., and Oscillatoria sp., (to mention a few) [13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

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Growth comparison of microalgae in tubular photobioreactor and open pond for treating anaerobic digestion piggery effluent

et al. 2016

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The overwhelming interest in the use of microalgae to handle associated nutrient surge from anaerobic digestion technologies for the treatment of wastewater, is driven by the need for efficient nutrient recovery, greenhouse gas mitigation, wastewater treatment and biomass reuse. Here, the feasibility of growth and ammonium nitrogen removal rate of semi-continuous mixed microalgae culture in paddle wheel-driven raceway pond and helical tubular closed photobioreactor (Biocoil) for treating sand-filtered, undiluted anaerobic digestion piggery effluent (ADPE) was compared under outdoor climatic conditions between June and September 2015 austral winter season. Two Biocoils, (airlift and submersible centrifugal pump driven) were tested. Despite several attempts in using airliftdriven Biocoil (e.g. modification of the sparger design), no net microalgae growth was observed due ) was 2.1 times higher than in raceway pond. While no significant differences were detected between the cultivation systems, the overall carbohydrate, lipid and protein contents of the consortium averaged 29.17 ± 3.22, 32.79 ± 3.26 and 23.29 ± 2.15% AFDW respectively, revealing its suitability as animal feed or potential biofuel feedstock. The consortium could be maintained in semi-continuous culture for more than three months without changes in the algal composition. Results indicated that microalgae consortium is suitable for simultaneous nutrient removal and biomass production from piggery effluent.

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“…Few literatures have succeeded in harvesting spirulina from wastewater with crude protein content of over 50%. Olguín et al (2003) A strain of Spirulina sp. was isolated from a TBW storage pool in Jiaxing City, China.…”

Section: Introductionmentioning

confidence: 99%

Production of aquatic feed grade algal powder from turtle breeding wastewater using a locally isolated Spirulina sp. JXSC-S1

Luo¹,

LuPing²

2015

Afr. J. Microbiol. Res.

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Spirulina sp. JXSC-S1 was isolated from a local turtle breeding wastewater storage pool in Jiaxing City, Zhejiang Province, China. Morphological studies revealed that the color, shape, spiral pitch, spiral wide and cell size of the strain fits the typical morphological characteristics of Spirulina platensis. Growth dynamics of the strain were studied in both Zarrouk medium and turtle breeding wastewater (TBW), and were compared with three S. platensis strains S6, S2 and Ns-90020 that are applied in large-scale Spirulina culturing in China. All strains grew well in Zarrouk medium. The strain JXSC-S1 demonstrated a growth rate of 1.64 day -1 , similar to the growth rates of S. platensis S6 and S2 and faster than S. platensis Ns-90020. When the culturing medium was changed to TBW, all the strains except the strain JXSC-S1 grew much slower than in Zarrouk meidum. By means of continuous TBW cultivation, the biomass yield of Spirulina sp. JXSC-S1 was up to 24±9 g·m -2 ·day -1 in dry weight, with 59.10±3.48% of crude protein in dry mass, meeting the Chinese Spirulina Standard for Animal Feed (GB/T 17423-1998). This study shows that Spirulina sp. JXSC-S1 can be used for production of aquatic protein feed by recycling nitrogen and phosphorus from TBW.

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Annual productivity of Spirulina (Arthrospira) and nutrient removal in a pig wastewater recycling process under tropical conditions

Cited by 223 publications

References 18 publications

Algae for Africa: Microalgae as a source of food, feed and fuel in Kenya

Algae for Africa: Microalgae as a source of food, feed and fuel in Kenya

Growth comparison of microalgae in tubular photobioreactor and open pond for treating anaerobic digestion piggery effluent

Production of aquatic feed grade algal powder from turtle breeding wastewater using a locally isolated Spirulina sp. JXSC-S1

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