期刊
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
卷 29, 期 -, 页码 80-91出版社
ELSEVIER
DOI: 10.1016/j.algal.2017.11.022
关键词
Bioprocess; Economic assessment; Phlorotannin; Polysaccharide; Process simulation; Seaweed
资金
- Premier's Research and Industry Fund of the South Australian Government
- Qingdao Gather Great Ocean Seaweed Industry Co., Ltd.
- Australian Research Council [LP150100225]
- Flinders University
- Australian Research Council [LP150100225] Funding Source: Australian Research Council
This article provides a case-study for the simulated industrial-scale production of high-value functional food products from the brown seaweed Ecklonia radiata. Three process scenarios at a batch processing scale of 2000 kg seaweed were assessed for their economic feasibility: Scenario 1: Enzyme-assisted production of a crude seaweed extract; Scenario 2: Scenario 1, followed by fractionation based on different molecular weights (MW); Scenario 3: Ethanolic extraction, followed by enzyme-assisted extraction and separation into high and low MW fractions. Scenario 2 demonstrated greater profitability, with a payback time of 1.6 years and a net present value (NPV) twice that of Scenario 1 (2.1 years and US$ 45.03M). Scenario 3 was not economically feasible, with a negative NPV and payback time that was three times longer than Scenario 1. To improve profitability, Scenario 4 was assessed, which integrated Scenario 1 (at the batch processing scale of 500 kg seaweed) with formulation of the extract as a functional ingredient into a juice-based beverage. This process was more profitable than Scenario 1, with a payback time and NPV of 1.1 years and US$ 89.43M, respectively.
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