PYROLYSIS CHARACTERISTICS AND MATERIAL TRANSFORMATION CHARACTERISTICS OF CAMPUS ORGANIC WASTE TREATED BY VERMICOMPOSTING

XUE Zitao; CHU Xuefei; XING Libo; SUN Xiaojie; XING Meiyan

doi:10.13205/j.hjgc.202306012

Volume 41 Issue 6

Jun. 2023

Turn off MathJax

Article Contents

Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(6): 82-91

XUE Zitao, CHU Xuefei, XING Libo, SUN Xiaojie, XING Meiyan. PYROLYSIS CHARACTERISTICS AND MATERIAL TRANSFORMATION CHARACTERISTICS OF CAMPUS ORGANIC WASTE TREATED BY VERMICOMPOSTING[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(6): 82-91. doi: 10.13205/j.hjgc.202306012

Citation:

XUE Zitao, CHU Xuefei, XING Libo, SUN Xiaojie, XING Meiyan. PYROLYSIS CHARACTERISTICS AND MATERIAL TRANSFORMATION CHARACTERISTICS OF CAMPUS ORGANIC WASTE TREATED BY VERMICOMPOSTING[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(6): 82-91. doi: 10.13205/j.hjgc.202306012

Citation:

XUE Zitao, CHU Xuefei, XING Libo, SUN Xiaojie, XING Meiyan. PYROLYSIS CHARACTERISTICS AND MATERIAL TRANSFORMATION CHARACTERISTICS OF CAMPUS ORGANIC WASTE TREATED BY VERMICOMPOSTING[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(6): 82-91. doi: 10.13205/j.hjgc.202306012

PDF( 4368 KB)

PYROLYSIS CHARACTERISTICS AND MATERIAL TRANSFORMATION CHARACTERISTICS OF CAMPUS ORGANIC WASTE TREATED BY VERMICOMPOSTING

doi: 10.13205/j.hjgc.202306012

1. Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China;
2. Shanghai Municipal Engineering Design Institute (Group) Co., Ltd., Shanghai 200082, China;
3. Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China

Received Date: 2022-06-05
Available Online: 2023-09-02

Abstract

Abstract

The thermal stability and material transformation characteristics of organic waste treated by vermicomposting were investigated with campus kitchen waste assisted by campus green waste, wasted paper and sawdust. The results indicated that vermicomposting with kitchen waste, leaves and waste paper (1:1:1, by dry weight) with a vermicomposting cycle of 10 weeks, gained better organic stabilization and resource recovery effect. Furthermore, the thermogravimetric analysis showed that the weight loss of the heap decreased from 71.44% to 41.44% after vermicomposting, and the stability of vermicompost was enhanced. Additionally, the kinetic model deduced that the activation energy of the composting group decreased by 6.163 kJ/mol after vermicomposting, indicating that the composting process was accelerated. Humic acid and protein content increased by 20.13% and 17.3% after composting. The content of available nitrogen and available phosphorus in vermicompost increased by 6.54 times and 1.82 times, respectively, after vermicomposting. The vermicomposting treatment of campus kitchen waste, green waste and waste paper effectively accelerated the composting process, improved the degree of organic stabilization and resource utilization, and has the potential in realizing onsite treatment of campus organic wastes.
- campus organic wastes,
- vermicompost,
- organic conversion,
- pyrolysis characteristics,
- humification

FullText(HTML)

References(27)

References

[1]	李欢,周颖君,刘建国,等.我国厨余垃圾处理模式的综合比较和优化策略[J].环境工程学报, 2021, 15(7):2398-2408.
[2]	王晓槐,李军,魏肖楠,等."无废城市"建设下校园餐厨垃圾处理现状及对策研究:以兰州高校为例[J].环境科学与管理, 2021, 46(10):96-100.
[3]	张晓婷. 兰州市高校食堂餐厨垃圾处理监管研究[D].兰州:西北师范大学, 2019.
[4]	YANG F, LI G X, YANG Q Y, et al. Effect of bulking agents on maturity and gaseous emissions during kitchen waste composting[J]. Chemosphere, 2013, 93(7):1393-1399.
[5]	DING Y W, WEI J, XIONG J J, et al. Effects of operating parameters on in situ NH₃ emission control during kitchen waste composting and correlation analysis of the related microbial communities[J]. Environmental Science and Pollution Research, 2019, 26(12):11756-11766.
[6]	WANG X J, ZHANG W W, GU J, et al. Effects of different bulking agents on the maturity, enzymatic activity, and microbial community functional diversity of kitchen waste compost[J]. Environmental Technology, 2016, 37(20):2555-2563.
[7]	LI M, LI F, ZHOU J, et al. Fallen leaves are superior to tree pruning as bulking agents in aerobic composting disposing kitchen waste[J]. Bioresource Technology, 2022, 346:126374.
[8]	陈瑞建,章伟伟,云虹,等.废纸在人造板领域中的回收利用技术及研究进展[J].林产工业, 2019, 46(7):7-10.
[9]	BHAT S A, SINGH J, VIG A P. Earthworms as organic waste managers and biofertilizer producers[J]. Waste and Biomass Valorization, 2018, 9(7):1073-1086.
[10]	NDEGWA P M, THOMPSON S A. Effects of C-to-N ratio on vermicomposting of biosolids[J]. Bioresource Technology, 2000, 75(1):7-12.
[11]	SOOBHANY N, GUNASEE S, RAGO Y P, et al. Spectroscopic, thermogravimetric and structural characterization analyses for comparing Municipal Solid Waste composts and vermicomposts stability and maturity[J]. Bioresource Technology, 2017, 236:11-19.
[12]	HANC A, ENEV V, HREBECKOVA T, et al. Characterization of humic acids in a continuous-feeding vermicomposting system with horse manure[J]. Waste Management, 2019, 99:1-11.
[13]	SRIVASTAVA V, GOEL G, THAKUR V K, et al. Analysis and advanced characterization of municipal solid waste vermicompost maturity for a green environment[J]. Journal of Environmental Management, 2020, 255:109914.
[14]	LU M Y, SHI X S, FENG Q, et al. Effects of humic acid modified oyster shell addition on lignocellulose degradation and nitrogen transformation during digestate composting[J]. Bioresource Technology, 2021, 329:124834.
[15]	WANG X Q, WANG M M, ZHANG J, et al. Contributions of the biochemical factors and bacterial community to the humification process of in situ large-scale aerobic composting[J]. Bioresource Technology, 2021, 323:124599.
[16]	KURAJICA L, UJEVIĆ BOŠNJAK M, KINSELA A S, et al. Effects of changing supply water quality on drinking water distribution networks:changes in NOM optical properties, disinfection byproduct formation, and Mn deposition and release[J]. Science of the Total Environmen, 2021, 762:144159.
[17]	RODRÍGUEZ-VIDAL F J, GARCÍA-VALVERDE M, ORTEGA-AZABACHE B, et al. Using excitation-emission matrix fluorescence to evaluate the performance of water treatment plants for dissolved organic matter removal[J]. Spectrochimica Acta Part A:Molecular and Biomolecular Spectroscopy, 2021, 249:119298.
[18]	MAGO M, YADAV A, GUPTA R, et al. Management of banana crop waste biomass using vermicomposting technology[J]. Bioresource Technology, 2021, 326:124742.
[19]	ARORA M, KAUR A. Azolla pinnata, Aspergillus terreus and Eisenia fetida for enhancing agronomic value of paddy straw[J]. Scientific Reports, 2019, 9(1):1341.
[20]	BORUAH T, BARMAN A, KALITA P, et al. Vermicomposting of citronella bagasse and paper mill sludge mixture employing Eisenia fetida[J]. Bioresource Technology, 2019, 294:122147.
[21]	DEVI C, KHWAIRAKPAM M. Management of invasive weed Parthenium hysterophorus through vermicomposting using a polyculture of Eisenia fetida and Eudrilus eugeniae[J]. Environmental Science and Pollution Research, 2021, 28(23):29710-29719.
[22]	SHARMA D, PANDEY A K, YADAV K D, et al. Response surface methodology and artificial neural network modelling for enhancing maturity parameters during vermicomposting of floral waste[J]. Bioresource Technology, 2021, 324:124672.
[23]	李英凯,王亚利,杨晓磊,等.蚯蚓堆肥处理畜禽粪便的影响因素及其产物的应用综述[J].环境工程,2020,38(1):162-166 , 127.
[24]	ZMORA-NAHUM S, MARKOVITCH O, TARCHITZKY J, et al. Dissolved organic carbon (DOC) as a parameter of compost maturity[J]. Soil Biology and Biochemistry, 2005, 37(11):2109-2116.
[25]	高健. 基于热重分析的延边地区主要乔木树种的燃烧性研究[D].哈尔滨:东北林业大学,2020.
[26]	YANG H P, YAN R, CHEN H P, et al. Characteristics of hemicellulose, cellulose and lignin pyrolysis[J]. Fuel, 2007, 86(12/13):1781-1788.
[27]	CHEN W, WESTERHOFF P, LEENHEER J A, et al. Fluorescence excitation-emission matrix regional integration to quantify spectra for dissolved organic matter[J]. Environmental Science & Technology, 2003, 37(24):5701-5710.