Effects of pre-treatment on Biochemical Methane Potential (BMP) testing using Baltic Sea  Fucus vesiculosus  feedstock

Romagnoli, Francesco; Pastare, Laura; Sabūnas, Audrius; Bāliņa, Karīna; Blumberga, Dagnija

doi:10.1016/j.biombioe.2017.06.013

Cited by 27 publications

(9 citation statements)

References 45 publications

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“…Ethanol yields were enhanced during microwave treatment of A. nodosum, with ethanol production up to 60.7% of the theoretical yield [132]. Microwave pre-treatment of F. vesiculosus also increased methane production by 92% compared to the untreated seaweed [120]. This is a 10% enhancement in BI compared to washing and chopping of F. vesiculosus, which had similar harvesting time and BMP measurement method.…”

Section: Thermal Treatmentmentioning

confidence: 80%

A Review of Seaweed Pre-Treatment Methods for Enhanced Biofuel Production by Anaerobic Digestion or Fermentation

et al. 2018

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Macroalgae represent a potential biomass source for the production of bioethanol or biogas. Their use, however, is limited by several factors including, but not restricted to, their continuous supply for processing, and low biofuel yields. This review examines recent pre-treatment processes that have been used to improve the yields of either biogas or bioethanol from macroalgae. Factors that can influence hydrolysis efficiency and, consequently, biofuel yields, are highly affected by macroalgal composition, including content of salts, heavy metals, and polyphenols, structural make-up, as well as polysaccharide composition and relative content of carbohydrates. Other factors that can influence biofuel yield include the method of storage and preservation.

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Section: Thermal Treatmentmentioning

confidence: 80%

A Review of Seaweed Pre-Treatment Methods for Enhanced Biofuel Production by Anaerobic Digestion or Fermentation

et al. 2018

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“…A twin shaft shredder is used. Shredding improves the digestion rate as well makes it easier to feed -in the feedstock [9].…”

Section: Description Of Scenariosmentioning

confidence: 99%

“…See Table 1 for details of anaerobic digestion details per algae species. The inputs are based on previous experiments [7]- [9] as well as literature analysis [12], [13]. As algae are growing naturally and are collected directly from nature, there are limits in the amounts available each year for collection.…”

Section: Description Of Scenariosmentioning

confidence: 99%

“…Study by Pastare et al [7] determined that Cerathophyllum demersum is a potentially viable algae species used for biomass production due to its availability as well as reported biogas yields. Further experimental analysis of locally collected algae and their biochemical methane potential have already been performed [5], [7]- [9]. Based on those results, all species can be considered usable for biogas production.…”

Section: Introductionmentioning

confidence: 99%

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Life Cycle Cost Analysis of Biogas Production from Cerathophyllum demersum, Fucus vesiculosus and Ulva intestinalis in Latvian Conditions

Pastare

Romagnoli

2019

Environmental and Climate Technologies

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Life cycle costs of co-digestion plant of cattle farm manure and locally available freshwater macrophyte C. demersum, marine brown algae F. vesiculosus, and marine green algae U. intestinalis; ratio 5:1) are analysed based on Latvian climatic and economic conditions. Biomass collection from nature and pre-treatment of biomass, biogas production, biogas treatment and utilization in combined heat and power plant are included in the boundaries. The weak points of scenarios are large capital investments, electricity sale price (and the application of feed-in tariff). As naturally grown algae and macrophytes are used, they are also sensitive to weather conditions each year as available amounts of biomass might change and decrease. Net Present Value is positive only for C. demersum with Internal Rate of Return of –14 % and Discounted Payback Period of 11 years.

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“…Pretreatments typically involve standalone chemical, biological, or physical treatments, or a combination of these treatments [14]. Pretreatments used prior to enzymatic hydrolysis include mechanical [15][16][17][18][19], thermal [19][20][21][22], chemical [23][24][25], and biological treatments [26,27]. A summary of pretreatments performed on macroalgae before ethanol or methane production is presented shown in Table 1.…”

Section: Introductionmentioning

confidence: 99%

Sequential Hydrothermal HCl Pretreatment and Enzymatic Hydrolysis of Saccharina japonica Biomass

Park

2021

Energies

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This study investigated the production of fermentable sugars from carbohydrate-rich macroalgae Saccharina japonica using sequential hydrolysis (hydrothermal acid pretreatment and enzymatic hydrolysis) to determine the maximum reducing sugar yield (RSy). The sequential hydrolysis was predicted by three independent variables (temperature, time, and HCl concentration) using response surface methodology (RSM). Enzymatic hydrolysis (8.17% v/wbiomass Celluclast® 1.5 L, 26.4 h, 42.6 °C) was performed after hydrothermal acid pretreatment under predicted conditions (143.6 °C, 22 min, and 0.108 N HCl concentration). Using this experimental procedure, the yields of hydrothermal acid pretreatment, enzymatic hydrolysis, and sequential hydrolysis were 115.6 ± 0.4 mg/g, 117.7 ± 0.3 mg/g, and 183.5 ± 0.6 mg/g, respectively. Our results suggested that sequential hydrolysis of hydrothermal acid pretreatment and enzymatic hydrolysis was more efficient than their single treatment.

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Effects of pre-treatment on Biochemical Methane Potential (BMP) testing using Baltic Sea Fucus vesiculosus feedstock

Cited by 27 publications

References 45 publications

A Review of Seaweed Pre-Treatment Methods for Enhanced Biofuel Production by Anaerobic Digestion or Fermentation

A Review of Seaweed Pre-Treatment Methods for Enhanced Biofuel Production by Anaerobic Digestion or Fermentation

Life Cycle Cost Analysis of Biogas Production from Cerathophyllum demersum, Fucus vesiculosus and Ulva intestinalis in Latvian Conditions

Sequential Hydrothermal HCl Pretreatment and Enzymatic Hydrolysis of Saccharina japonica Biomass

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