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Impact of carbonate hydroxylapatite (CHAP) addition on bio-hydrogen production from microwave pretreated sludge

机译:碳酸盐羟基磷灰石(CHAP)对微波预处理污泥的生物氢生产的影响

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摘要

In order to promote the hydrolysis and disintegration of waste sludge, the most logical approach is pretreatments to disrupt the microbial cells of sludge. After microwave pretreatments, the heavy metal which were toxicity to H_2 production were released from waste sludge, and the increase rate was 10.6 (Cu), 5.5(Cd), 3.6(Zn) and 1.6 (Ni) times after pretreatment. Carbonate hydroxylapatite (CHAP) had high efficiency in heavy metal removal. In this study, the effect of heavy metal removal on bio-hydrogen production from microwave pretreated sludge using CHAP was evaluated. 0.53 g/gVSS CHAP addition could enhance the bio-hydrogen yield by 53.6% compared with control, and the lag time was 9 h. Dosages of CHAP couldinfluence the hydrolysis, fermentation type and hydrogen yield of pretreated sludge.
机译:为了促进废污泥的水解和崩解,最逻辑的方法是预处理,以破坏污泥的微生物细胞。微波预处理后,对H_2产生的毒性的重金属从废污泥中释放出来,并且在预处理后,增加的速率为10.6(Cu),5.5(CD),3.6(Zn)和1.6(Ni)时间。碳酸酯羟基磷灰石(CHAP)在重金属中具有高效率。在该研究中,评估了使用CHAP从微波预处理污泥的重金属去除对生物氢产生的影响。与对照相比,0.53g / gvss Chap添加可以提高生物氢产率为53.6%,滞后时间为9小时。水解剂量的补充,进行预处理污泥的水解,发酵型和氢气产量。

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