Effect of tricarboxylic acid cycle regulator on carbon retention and organic component transformation during food waste composting
| Autor: | Xintong Gao, Qingbin Wei, Zimin Wei, Haixuan Zhou, Yue Zhao, Junqiu Wu, Qian Lu, Pengfei Tang |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Greenhouse Effect
0106 biological sciences Environmental Engineering Citric Acid Cycle chemistry.chemical_element Bioengineering 010501 environmental sciences Malonic acid complex mixtures 01 natural sciences Soil chemistry.chemical_compound 010608 biotechnology Humic acid Waste Management and Disposal 0105 earth and related environmental sciences chemistry.chemical_classification Renewable Energy Sustainability and the Environment Composting General Medicine Tricarboxylic acid Biodegradable waste Carbon Dioxide Carbon Refuse Disposal Food waste chemistry Greenhouse gas Environmental chemistry Carbon dioxide |
| Zdroj: | Bioresource Technology. 256:128-136 |
| ISSN: | 0960-8524 |
| DOI: | 10.1016/j.biortech.2018.01.142 |
| Popis: | Composting is an environment friendly method to recycling organic waste. However, with the increasing concern about greenhouse gases generated in global atmosphere, it is significant to reduce the emission of carbon dioxide (CO2). This study analyzes tricarboxylic acid (TCA) cycle regulators on the effect of reducing CO2 emission, and the relationship among organic component (OC) degradation and transformation and microorganism during composting. The results showed that adding adenosine tri-phosphate (ATP) and nicotinamide adenine dinucleotide (NADH) could enhance the transformation of OC and increase the diversity of microorganism community. Malonic acid (MA) as a competitive inhibitor could decrease the emission of CO2 by inhibiting the TCA cycle. A structural equation model was established to explore effects of different OC and microorganism on humic acid (HA) concentration during composting. Furthermore, added MA provided an environmental benefit in reducing the greenhouse gas emission for manufacture sustainable products. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect