LIU Chang qing,CHEN Wan,ZENG Yi fang,et al.Hydrogen Production Capacity of Semi continuous Fermentation of SARD and CSTR Bio hydrogen Production Reactor[J].China Water & Wastewater,2018,34(21):7-11.
SARD与CSTR反应器半连续发酵产氢能力对比
- Title:
- Hydrogen Production Capacity of Semi continuous Fermentation of SARD and CSTR Bio hydrogen Production Reactor
- 文章编号:
- 1000-4602(2018)21-0007-06
- Keywords:
- sludge; food waste; bio-hydrogen production; semi-continuous anaerobic rotary drum; continuous stirred tank reactor
- 分类号:
- TU992
- 文献标志码:
- A
- 摘要:
- 污泥与餐厨垃圾含有丰富有机质，将其进行生物产氢具有处理固体废弃物和开发氢能的双重意义。生物反应器的高效启动是该技术的关键因素。采用SARD和CSTR反应器并辅以血清瓶，以污泥和餐厨垃圾作为反应基质，考察不同运行时间、投配比(回流比)下的氢气浓度及比产氢速率，以确定各反应器的最佳运行条件并筛选出较优的反应器。结果表明，SARD和CSTR在10~15 h内先后达到了50.34%和53.43%的氢气浓度最大值，最大比产氢速率分别为18.09、14.98 mL/（gDS·h）。投配比为50%、进料时间间隔为8 h是较理想的进料方式。SARD与CSTR反应器半连续运行的比产氢速率在稳定阶段分别维持在4.40、2.37 mL/（gDS·h）左右。相比较而言，SARD的运行效果优于CSTR，且半连续运行比批式运行的效果更佳。
- Abstract:
- Sludge and food wastes are rich in organic matter, and can be used as the substrate of biohydrogen production, which has a double significance for solid waste treatment and development of hydrogen energy. How to start the reactor efficiently is the key factors. SARD (semicontinuous anaerobic rotary drum) and CSTR(continuous stirred tank reactor) were used as hydrogen production reactor to investigate the influence of operation time and reflux ratio by adding sludge and food wastes, and analyzing hydrogen concentration and specific hydrogen yield. The results indicated that the hydrogen concentration reached the maximum value of 50.34% and 53.43% after 10-15 h in SARD and CSTR, respectively; the maximum specific hydrogen yield was 18.09 mL/(gDS·h) and 14.98 mL/(gDS·h) respectively. The better feeding mode was 50% adding ratio and interval 8 h. The specific hydrogen yields of SARD and CSTR were stable at 4.40 mL/(gDS·h）and 2.37 mL/(gDS·h) respectively. In comparison, semicontinuous operation was better than batch one, and SARD was better than CSTR.
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备注/Memo
基金项目：福建省科技厅重大专项(2015YZ0001-1)；福建省科技厅重点项目(2018Y0022)
通信作者：赵由才E-mail:zhaoyoucai@tongji.edu.cn
作者简介：
刘常青（1970- ），女，福建闽清人，博士，副教授，主要从事固体废物处理与资源化研究。
E-mail:mylcq@126.com
收稿日期：2018-03-23