Enzymatic processing of municipal solid waste |
| |
| Authors: | Jacob Wagner Jensen Claus Felby Henning Jørgensen Georg Ørnskov Rønsch Nanna Dreyer Nørholm |
| |
| Institution: | 1. Forest and Landscape, University of Copenhagen, Rolighedsvej 23, DK-1958 Frederiksberg, Denmark;2. DONG Energy A/S, Kraftværksvej 53, DK-7000 Fredericia, Denmark;1. Key Laboratory for Solid Waste Management and Environment Safety, Ministry of Education of China, School of Environment, Tsinghua University, Beijing 100084, China;2. BESG Environmental Engineering Co., Ltd., Beijing Environment Sanitation Engineering Group Co., Ltd, Beijing 100101, China;1. Department of Civil and Mechanical Engineering, University of Cassino and the Southern Lazio, Via Di Biasio, 43, 03043 Cassino, FR, Italy;2. Telematic University Pegaso, Piazza Trieste e Trento, 48, 80132 Naples, Italy;3. Department of Mathematics and Applications Renato Caccioppoli, University of Naples Federico II, Via Claudio, 21, 80125 Naples, Italy;4. UNESCO-IHE Institute for Water Education, Westvest 7, 2611 AX Delft, The Netherlands;5. Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, Via Claudio, 21, 80125 Naples, Italy;1. CSIR-National Environmental Engineering Research Institute, Nagpur, Maharashtra, India;2. Visvesvaraya National Institute of Technology, Nagpur, Maharashtra, India |
| |
| Abstract: | The focus of this work was to investigate an enzymatic liquefaction of MSW organics, paper and cardboard. Liquefaction trials were conducted in different trial volumes: 50 g lab-scale trials and 50 kg vessel-tests and evaluated based on particle size and viscosity. The viscosity results showed that Celluclast 1.5 L had the singular significant effect on liquefaction of model MSW. No effect of α-amylase, protease and interaction in between and with cellulases on viscosity and particle size distribution was found in this study. Degradable material with a particle size above 1 mm after treatment was evaluated using SEM microscopy. These results showed that paper particles were the main obstacles needing additional treatment in order to become fully liquefied. In a pilot scale test treating authentic MSW; more than 90% of initial organic and paper dry matter (DM) was recovered as liquid slurry after sieving through a 5-mm sieve. These tests were performed at up to 35% DM, showing that this process can easily manage high DM loadings. MSW enzymatic liquefaction promotes the separation of organics and paper from solids, which facilitate the use of these degradable fractions, with minimal loss, capable to enter a biogas plant through existing pipes. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
