Comparative studies on water- and vapor-based hydrothermal carbonization: process analysis

Hydrothermal carbonization (HTC) reactor systems used to convert wet organic wastes into value-added hydrochar are generally classified in the literature as liquid water-based (HTC) or vapor-based (VTC). However, the distinction between the two is often ambiguous. In this paper, we theoretically developed models for predicting reactor pressure, volume fraction of liquid water, and water distribution between phases as a function of temperature., Methods are described in the manuscript http://dx.doi.org/10.3390/en13215733. Descriptions corresponding to each figure and table in the manuscript are placed on separate tabs to clarify abbreviations and summarize the data headings and units. Figures 1 and 6 were generated using the NIST Reference Thermodynamic and Transport Properties software (REFPROP) v. 10.0 (https://www.nist.gov/srd/refprop). For Fig.6, the temperatures and moalr volumes of different feedstock and HTC conditions reported in the literature were plotted to the T-v diagram generated from the REFPROP. These literature data points are included in the xlsx file.,水热碳化（Hydrothermal Carbonization, HTC）反应器系统可将湿有机废弃物转化为增值水焦，现有文献中通常将其划分为基于液态水的（HTC）与基于蒸汽的（VTC）两类。然而二者之间的界限往往较为模糊。本研究从理论层面构建了模型，可基于温度预测反应器压力、液态水体积分数以及相间水分布情况。研究方法详见论文http://dx.doi.org/10.3390/en13215733。论文中各图表对应的说明被置于独立标签页中，用于厘清缩写规则并汇总数据表头与单位。图1与图6的绘制采用了美国国家标准与技术研究院（National Institute of Standards and Technology, NIST）参考热力学与传输性质软件（REFPROP）v10.0版本（访问地址：https://www.nist.gov/srd/refprop）。针对图6，研究将文献中报道的不同原料与HTC工况下的温度及摩尔体积数据，绘制于基于REFPROP生成的T-v相图中。上述文献数据点已收录于本数据集附带的xlsx文件中。