期刊论文

Mu, Dongyan

英文

Bioresource Technology

0960-8524

2017

230

33-42

10.1016/j.biortech.2016.12.108

The material flows in three pathways that produce equal amounts of algae per day are shown in Fig. 1. All three pathways need material and energy inputs including flue gas, synthetic fertilizers, freshwater, electricity and heat. They discharge wastewater containing N and P and emit CO2 and NOx to the atmosphere. Ash is also generated while in the heat and power system (HPS) during each of the three pathways. By recycling all the nutrients from the algae conversion processes, the synthetic N

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This study focuses on analyzing nutrient distributions and environmental impacts of nutrient recycling, reusing, and discharging in algal biofuels production. The three biomass conversion pathways compared in this study were: hydrothermal liquefaction technology (HTL), hydrothermal hydrolysis pretreatment +HTL (HTP), and wet lipid extraction (WLE). Carbon, nitrogen, and phosphorous (C, N, P) flows were described in each pathway. A primary cost analysis was conducted to evaluate the economic performance. The LCA results show that the HTP reduced...