在运输部门,生物乙醇,无论是常规的(由原料制成)
由糖和淀粉组成)或由木质纤维素生物质制成,是最具潜力的食物之一。
汽油作为燃料的替代品。
不幸的是,木质纤维素生物乙醇的生产仍然受到以下能量的限制。
下游工序密集,难以与石油或常规工序竞争。
生物乙醇 一个总体上更高效的进程和更大的竞争力将产生于一个可持续发展的进程。
允许热整合的过程体系结构。
本工作使用ASPENPLUS建模程序模拟两种不同的蒸馏过程
用秸秆生产10万吨乙醇的做法。 有关结果
通过厌氧模拟,为进一步处理蒸馏水提供了两种可能的方案。
消化器以产生沼气,蒸发系统以完成下游过程。
此外,还提供了IPSE模拟数据,用于对整个系统的夹点分析。
生物乙醇生产工艺。 确定与背景相关的最佳精馏思想
为进行特别静置处理后的工序,我们采用夹点分析来评估这些概念。
从能源的角度来看。

上游进程
通过铣削等方法增加预处理段表面积,可以改善预处理段表面积的增大预处理段表面积可以提高预处理段表面积。
次水解的成效。 其中C5-和C6-糖被还原为
单糖,使它们可用于乙醇发酵。 酸或酶均可。
用于水解。 产率可能从50%到95%不等,这取决于所使用的技术。
本研究选择酶解作为在爆炸前额外预处理步骤。
使复合木质素结构易受酶攻击。

下游进程
乙醇在蒸馏过程中与其他成分分离,而乙醇在蒸馏过程中与其他成分分离。
以共沸性的组合出现在柱头。 这个处理阶段使用大量
能源,并需要巧妙的内部热能管理。 接下来是乙醇和水的结合
采用变压吸附法脱水,使目标乙醇浓度降低。
到99.5%的重量。
蒸馏塔底部的副产品是蒸馏塔底部的副产品。 这是一项悬而未决的判决
木质素、水和其他未用于固态纤维的有机物质。
从能源的角度来看,这种静止处理过程效率低下,因为它是多级处理过程。
蒸发需要大量的初级蒸汽来蒸发水分并形成水蒸气。
专心致志 因此,应利用有机物料中丰富的液体部分,以产生高含氧量、高含氧量物质。
沼气并非不合理。

利用沼气作为额外主要产品,可以维持更可变的过程控制。
从SSF、蛋白质和提取物中提取的废糖可用于制造沼气,
导致糖的级联使用。 厌氧后可加入好氧相。
产生沼气以处理废水的发酵。

由于精馏是广泛用于生产工艺的工艺方法,因此改进这一工艺阶段至关重要。
不断地从混合物中分离乙醇。 如能提高整个过程的工作效率,便能提高效率。
这个过程部门的能源需求减少了。
根据下游过程建模的数据,总能源的百分之六十,而下游过程建模的耗氧量为百分之六十,其耗氧量为百分之三十。
蒸馏阶段可满足要求。 采用适当的精馏安排,并配合适当的精馏工序,以减低油烟的含水量。
如采用适当的静水处理,则这个比例可能会减少。 A. 固液分离过程
使用干固体剩饭作为运作所需的能量来源,可令食物自给自足。 其他报告
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https://www.marketwatch.com/press-release/the-driving-footwear-market-study-emphasizes-key-profitable-areas-in-the-industry-and-includes-an-in-depth-analysis-of-global-regional-and-country-sales-and-growth-2022-12-24
https://www.marketwatch.com/press-release/driving-clothing-market-size-market-challenges-analysis-sales-volume-share-and-forecast-research-2022—2028-2022-12-24
https://www.marketwatch.com/press-release/small-generator-market-size-2022—2028-provides-current-development-avg-selling-price-global-market-sales-volume-and-cagr-market-segment-by-application-and-comparison-by-region-2022-12-24
https://www.marketwatch.com/press-release/using-this-electric-rivet-gun-market-research-report-its-key-players-stakeholders-and-other-participants-will-be-able-to-keep-up-with-current-and-upcoming-business-developments-2022-12-24
https://www.marketwatch.com/press-release/shelf-stable-carton-market-size-2022—2028-sale-revenue-deployment-growth-factor-top-key-players-production-cost-segment-forecast-forecast-till-development-industry-analysis-2022-12-24
https://www.marketwatch.com/press-release/polymeric-paver-sand-market-size-2022—2028-regional-development-deployment-growth-factors-production-cost-2022-12-24

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