Bioprocess considerations for microalgal-based wastewater treatment and biomass production

Zeng, Xianhai; Guo, Xiaoyi; Su, Gaomin; Danquah, Michael K.; Zhang, Shiduo; Lu, Yinghua; Sun, Yong; Lin, Lu

doi:10.1016/j.rser.2014.11.033

Cited by 73 publications

(41 citation statements)

References 114 publications

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“…In recent years, the use of microalgae for removing chemical species from wastewater has received extensive attention . Light, carbon, nitrogen, phosphorous, and other minerals or micro‐nutrients are required for microalgae growth.…”

Section: Introductionmentioning

confidence: 99%

Sustainable microalgae‐based palm oil mill effluent treatment process with simultaneous biomass production

Halim

Guo

et al. 2016

Can J Chem Eng

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The production of copious quantities of waste palm oil mill effluent (POME) is an unavoidable consequence of palm oil industries, and requires effective treatment before discharge into the environment. Microalgae possess a significant nutrient bio‐sorption capacity in addition to high photosynthetic and carbon bio‐sequestration rates, and hence can be exploited for sustainable POME treatment operations. Bioprocess research on the use of microalgal cells to remove specific chemical species from POME is limited. This work investigated the application of the microalgae Chlorella vulgaris and Nannochloropsis sp. for nitrogen and phosphorus removal from POME with simultaneous biomass production. Both microalgae species displayed maximum total nitrogen and phosphorus removal efficiencies at 50 % POME concentration within 8 days. Studies on nitrogen and phosphorous addition demonstrated that a N/P molar ratio of 10:1 improved biomass accumulation with 90.0 % nitrogen and 82.1 % phosphorus removals. These results showed that high treatment efficiencies can be obtained using C. vulgaris and Nannochloropsis sp. for applications in industrial POME treatment.

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Section: Introductionmentioning

confidence: 99%

Sustainable microalgae‐based palm oil mill effluent treatment process with simultaneous biomass production

Halim

Guo

et al. 2016

Can J Chem Eng

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“…on the one hand the wastewater is treated rendering it more harmless to be disposed, and on the other hand producing valuable microalgal biomass for the generation of biofuels and other chemicals (Pittman et al, 2011;Zeng et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Fed-batch cultivation of Arthrospira and Chlorella in ammonia-rich wastewater: Optimization of nutrient removal and biomass production

Μάρκου

2015

Bioresource Technology

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“…This section reviews the current scenario and possibilities for microalgae cultivation/ processing in the fuel industry in Brazil. It is noteworthy, however, that there is an array of initiatives in the context of aquaculture and animal feed industries, rural and municipal wastewater treatment, coal-fired power stations, among others not covered here, that are currently being explored worldwide [5,13,19,25].…”

Section: Microalgae Production Integration To the Brazilian Fuel Indumentioning

confidence: 99%

“…* The sugarcane straw processing for cellulosic ethanol production was started in 2014 in Brazil** TRS: Total Recoverable Sugars. Based on information from references [4,25,31].…”

Section: Integration Of Microalgae Production To the Sugarcane-ethanomentioning

confidence: 99%

Microalgae biorefineries: The Brazilian scenario in perspective

2017

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Biorefineries have the potential to meet a significant part of the growing demand for energy, fuels, chemicals and materials worldwide. Indeed, the bio-based industry is expected to play a major role in energy security and climate change mitigation during the 21th century. Despite this, there are challenges related to resource consumption, processing optimization and waste minimization that still need to be overcome. In this context, microalgae appear as a promising non-edible feedstock with advantages over traditional land crops, such as high productivity, continuous harvesting throughout the year and minimal problems regarding land use. Importantly, both cultivation and microalgae processing can take place at the same site, which increases the possibilities for process integration and a reduction in logistic costs at biorefinery facilities. This review describes the actual scenario for microalgae biorefineries integration to the biofuels and petrochemical industries in Brazil, while highlighting the major challenges and recent advances in microalgae large-scale production.

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Bioprocess considerations for microalgal-based wastewater treatment and biomass production

Cited by 73 publications

References 114 publications

Sustainable microalgae‐based palm oil mill effluent treatment process with simultaneous biomass production

Sustainable microalgae‐based palm oil mill effluent treatment process with simultaneous biomass production

Fed-batch cultivation of Arthrospira and Chlorella in ammonia-rich wastewater: Optimization of nutrient removal and biomass production

Microalgae biorefineries: The Brazilian scenario in perspective

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