食品研究与开发
食品研究與開髮
식품연구여개발
FOOD RESEARCH AND CEVELOPMENT
2014年
3期
47-50
,共4页
田亚红%常丽新%王丽萍%徐宵娲
田亞紅%常麗新%王麗萍%徐宵媧
전아홍%상려신%왕려평%서소왜
玉米秸秆%玉米芯%发酵%乙醇
玉米秸稈%玉米芯%髮酵%乙醇
옥미갈간%옥미심%발효%을순
corn stalk%corn cob%fermentation%ethanol
通过单因素和正交试验，研究了玉米秸秆、玉米芯两种原料分别发酵和混合发酵对乙醇生产的影响。结果表明，玉米秸秆和玉米芯分别发酵生产乙醇的最佳条件基本一致为：发酵时间72 h，接种量5%，pH为4.8；玉米秸秆和玉米芯混合发酵生产乙醇的最佳条件为：发酵时间72 h，接种量为5%，pH 5.3，玉米秸秆：玉米芯（质量比）为2∶3，乙醇浓度达7.96%，与分别发酵相比，乙醇浓度提高了20.6%。
通過單因素和正交試驗，研究瞭玉米秸稈、玉米芯兩種原料分彆髮酵和混閤髮酵對乙醇生產的影響。結果錶明，玉米秸稈和玉米芯分彆髮酵生產乙醇的最佳條件基本一緻為：髮酵時間72 h，接種量5%，pH為4.8；玉米秸稈和玉米芯混閤髮酵生產乙醇的最佳條件為：髮酵時間72 h，接種量為5%，pH 5.3，玉米秸稈：玉米芯（質量比）為2∶3，乙醇濃度達7.96%，與分彆髮酵相比，乙醇濃度提高瞭20.6%。
통과단인소화정교시험，연구료옥미갈간、옥미심량충원료분별발효화혼합발효대을순생산적영향。결과표명，옥미갈간화옥미심분별발효생산을순적최가조건기본일치위：발효시간72 h，접충량5%，pH위4.8；옥미갈간화옥미심혼합발효생산을순적최가조건위：발효시간72 h，접충량위5%，pH 5.3，옥미갈간：옥미심（질량비）위2∶3，을순농도체7.96%，여분별발효상비，을순농도제고료20.6%。
The effects of the individual and mixed fermentation of two kinds of raw materials corn stalk ,corn cob on ethanol production were studied by single factor and orthogonal experiments.The results showed that corn straw and corn cob respectively were basically the same as optimum conditions for production of ethanol by fermentation:fermentation time 72 h, inoculum 5%,pH 4.8;The mixed fermentation for ethanol productionwere as follows:fermentation time 72 h,inoculum for 5%,pH 5.3,corn straw:corn cob(ratio to weight) of 2∶3,ethanol concentrations 7.96%,Compared with separated fermentation, ethanol concentration increased by 20.6%.
