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[1]代浩,李連龍,包強,等.投加菌劑對清淤底泥好氧堆肥效果的強化作用[J].中國給水排水,2021,37(13):70-76.
DAI Hao,LI Lian-long,BAO Qiang,et al.Aerobic Composting Performance of Dredged Sediment Enhanced by Microbial Agent Addition[J].China Water & Wastewater,2021,37(13):70-76.點擊復制
投加菌劑對清淤底泥好氧堆肥效果的強化作用
中國給水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第37卷 期數(shù): 2021年第13期 頁碼: 70-76 欄目: 出版日期: 2021-07-01
Title:Aerobic Composting Performance of Dredged Sediment Enhanced by Microbial Agent Addition
作者:代浩1，李連龍1，包強1，關仕林1，李飛1，蔣昌波2,3,4(1.中交一航局第三工程有限公司，遼寧大連116083；2.長沙理工大學水利工程學院，湖南長沙410114；3.洞庭湖水環(huán)境治理與生態(tài)修復湖南省重點實驗室，湖南長沙410114；4.湖南省環(huán)境保護河湖疏浚污染控制工程技術中心，湖南長沙410114)
Author(s):DAI Hao1,LI Lian-long1,BAO Qiang1,GUAN Shi-lin1,LI Fei1,JIANG Chang-bo2,3,4(1. No.3 Engineering Company Ltd. of CCCC First Harbor Engineering Company Ltd., Dalian 116083, China； 2. School of Hydraulic Engineering, Changsha University of Science & Technology, Changsha 410114, China； 3. Key Laboratory of Dongting Lake Aquatic Eco-Environmental Control and Restoration of Hunan Province, Changsha 410114, China； 4. Engineering and Technical Center of Hunan Provincial Environmental Protection for River-lake Dredging Pollution Control, Changsha 410114, China)
關鍵詞:菌劑; 好氧堆肥; 清淤底泥; 種子發(fā)芽指數(shù); C/N
Keywords:microbial agent; aerobic composting; dredged sediment; seed germination index; C/N
摘要:為解決清淤底泥好氧堆肥存在有機質含量低、高溫階段升溫不足的問題，從自然堆肥過程中分離提取優(yōu)勢菌株，制成微生物復合菌劑，通過投加菌劑強化清淤底泥好氧堆肥效果。結果表明，與對照組相比，試驗組堆體溫度升高快，高溫階段持續(xù)時間長，高于55 ℃的時間可達9 d，滿足《糞便無害化衛(wèi)生要求》(GB 7959—2012)的規(guī)定。菌劑投加促進了堆料腐熟，種子發(fā)芽指數(shù)從86.9%提高到96.3%。試驗組和對照組的C/N值分別降低了22.0%和14.3%，可見投加菌劑還可以提高堆料保氮效果。
Abstract:Aerobic composting of dredged sediment has the problems of low organic matter content and slow temperature rise in high temperature stage. To deal with the problems, dominant strains were isolated from the natural composting process to prepare mixed microbial agent, and it was applied to enhance the aerobic composting performance of dredged sediment. Compared with the control group, the experimental group possessed higher rate of temperature rise and longer high temperature stage, and the days with temperature above 55 ℃ lasted for 9 days, which met the requirement of Hygienic Requirements for Harmless Disposal of Night Soil (GB 7959-2012). The addition of mixed microbial agent promoted the maturity of the compost, and seed germination index increasing from 86.9% to 96.3%. Moreover, C/N ratios of the experimental and control groups decreased by 22.0% and 14.3%, respectively, indicating that the addition of mixed microbial agent could improve the nitrogen conservation of the compost.
更新日期/Last Update: 2021-07-01
[1]代浩,李連龍,包強,等.投加菌劑對清淤底泥好氧堆肥效果的強化作用[J].中國給水排水,2021,37(13):70-76.
DAI Hao,LI Lian-long,BAO Qiang,et al.Aerobic Composting Performance of Dredged Sediment Enhanced by Microbial Agent Addition[J].China Water & Wastewater,2021,37(13):70-76.
點擊復制
DAI Hao,LI Lian-long,BAO Qiang,et al.Aerobic Composting Performance of Dredged Sediment Enhanced by Microbial Agent Addition[J].China Water & Wastewater,2021,37(13):70-76.
投加菌劑對清淤底泥好氧堆肥效果的強化作用
中國給水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第37卷 期數(shù): 2021年第13期 頁碼: 70-76 欄目: 出版日期: 2021-07-01
- Title:
- Aerobic Composting Performance of Dredged Sediment Enhanced by Microbial Agent Addition
- 關鍵詞:
- 菌劑; 好氧堆肥; 清淤底泥; 種子發(fā)芽指數(shù); C/N
- 摘要:
- 為解決清淤底泥好氧堆肥存在有機質含量低、高溫階段升溫不足的問題，從自然堆肥過程中分離提取優(yōu)勢菌株，制成微生物復合菌劑，通過投加菌劑強化清淤底泥好氧堆肥效果。結果表明，與對照組相比，試驗組堆體溫度升高快，高溫階段持續(xù)時間長，高于55 ℃的時間可達9 d，滿足《糞便無害化衛(wèi)生要求》(GB 7959—2012)的規(guī)定。菌劑投加促進了堆料腐熟，種子發(fā)芽指數(shù)從86.9%提高到96.3%。試驗組和對照組的C/N值分別降低了22.0%和14.3%，可見投加菌劑還可以提高堆料保氮效果。
- Abstract:
- Aerobic composting of dredged sediment has the problems of low organic matter content and slow temperature rise in high temperature stage. To deal with the problems, dominant strains were isolated from the natural composting process to prepare mixed microbial agent, and it was applied to enhance the aerobic composting performance of dredged sediment. Compared with the control group, the experimental group possessed higher rate of temperature rise and longer high temperature stage, and the days with temperature above 55 ℃ lasted for 9 days, which met the requirement of Hygienic Requirements for Harmless Disposal of Night Soil (GB 7959-2012). The addition of mixed microbial agent promoted the maturity of the compost, and seed germination index increasing from 86.9% to 96.3%. Moreover, C/N ratios of the experimental and control groups decreased by 22.0% and 14.3%, respectively, indicating that the addition of mixed microbial agent could improve the nitrogen conservation of the compost.
更新日期/Last Update: 2021-07-01
