Hydroxycinnamic acid extraction from prairie biomass for enhancing performance in anaerobic digestion, Iowa, 2021-2022.

This dataset contains a series of batch and continuous anaerobic digestion (AD) experiments that document the effects of hydroxycinnamic acid (HCA) extraction as a pretreatment strategy for prairie biomass to enhance methane production and digestion performance. It includes data on chemical composition of raw inputs (prairie biomass, manure, inoculum), including elemental and solids content; methane and biogas yields under various conditions: untreated vs. HCA-treated biomass, co-digestion with manure at different ratios, and operational enhancements such as biochar supplementation and liquid digestate recirculation; digestate characteristics, including pH, ammonia concentration, and total phenolic content, under different treatment and operational scenarios; optimization data for HCA extraction, detailing the influence of temperature and time on HCA yield and lignin removal; and HCA composition data, including cumulative and species-specific yields (ferulic and p-coumaric acids), and acetyl bromide soluble lignin content.本数据集包含一系列分批式与连续式厌氧消化（anaerobic digestion, AD）实验，完整记录了以羟基肉桂酸（hydroxycinnamic acid, HCA）提取作为草原生物质预处理策略时，对甲烷产量与消化性能的提升效果。数据集涵盖以下多类实验数据：1. 原始进料（草原生物质、粪便、接种物）的化学成分数据，包括元素组成与固体物含量；2. 不同工况下的甲烷与沼气产率数据：涵盖未处理与HCA处理的生物质、不同配比粪便共消化，以及生物炭投加、沼液回流等工艺强化手段的相关数据；3. 不同处理及运行场景下的沼液特性数据，包含pH值、氨浓度与总酚类物质含量；4. HCA提取工艺优化数据，详细阐明了温度与反应时间对HCA产率及木质素去除率的影响；5. HCA组成数据，包括累积产率与物种特异性产率（阿魏酸及对香豆酸），以及乙酰溴可溶性木质素含量。