农业化学开发中的碳足迹的快速估计:工艺质量强度与CO2排放的相关性
John Rohanna1, Audra Tenzeldam2, Robin Jenkins3
1Crop Protection Small Molecule Discovery and Development, Corteva Agriscience, Indianapolis, IN, USA.
Pest management science
|November 4, 2024
概括
一个新的工具使用工艺质量强度 (PMI) 来快速估计农作物保护产品的温室气体 (GHG) 排放. 这种方法支持农业和化学工业的可持续发展.
科学领域:
- 农业化学科学 农业化学科学
- 环境科学环境科学
- 化学工程是化学工程的组成部分.
背景情况:
- 农业部门必须平衡粮食生产与环境可持续性.
- 农作物保护产品对于粮食安全至关重要,但对其环境影响的评估具有挑战性.
- 传统的生命周期评估 (LCA) 对于产品开发的早期阶段是资源密集的.
研究的目的:
- 开发一种精简的方法来估计农业化学产品的碳足迹.
- 建立过程质量强度 (PMI) 和温室气体 (GHG) 排放之间的相关性.
- 支持农业化学研究和开发的早期决策.
主要方法:
- 开发一种新型工具,将工艺质量强度 (PMI) 与温室气体 (GHG) 排放相关联.
- 使用13种小分子活性成分 (AIs) 验证该工具.
- 包括剩余分析在内的统计分析,以评估预测可靠性.
主要成果:
- 在PMI和产品温室气体排放之间发现了强烈的线性相关性 (R2 = 0.95).
- 该模型实现了55g CO2/kg AI的平均绝对误差 (MAE) 和64kg CO2/kg AI的RMSE.
- 剩余分析证实了随机分布,表明可靠的预测性能.
结论:
- 基于PMI的工具提供了快速而准确的产品碳足迹 (PCF) 估计.
- 该工具有助于在农业化学品研发的早期阶段做出明智的决策.
- 该方法的简单性使其在化学行业广泛应用,有助于可持续性倡议.
相关概念视频
Light Acquisition
8.0K
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
8.0K
Mass Spectrum
5.3K
A mass spectrum is the graphical representation of the relative abundance of the charged fragments in an analyte plotted against their mass-to-charge ratio (m/z). The plot's x-axis represents the ratio of the mass of the charged fragment to the number of charges it carries. The y axis of the plot represents the relative abundance of each charged species. The relative abundance is calculated from the signal intensity of each charged species recorded at the detector. The most intense signal (the...
5.3K
Factors Affecting Activity Coefficient
1.6K
The extended Debye-Hückel equation indicates that the activity coefficient of an ion in an aqueous solution at 25°C depends on three partially interdependent properties: the ionic strength of the solution, the charge of the ion, and the ion size.
The activity coefficient value for an ion is close to one when the solution has almost zero ionic strength, i.e., when the solution shows close to ideal behavior. As the ionic strength of the solution increases from 0 to 0.1 mol/L, a...
The activity coefficient value for an ion is close to one when the solution has almost zero ionic strength, i.e., when the solution shows close to ideal behavior. As the ionic strength of the solution increases from 0 to 0.1 mol/L, a...
1.6K
Carbon-dioxide Fixation
866
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
866
Inorganic Nitrogen Assimilation
920
Nitrogen is an essential element in biological systems, forming a crucial component of proteins, nucleic acids, and other cellular constituents. Many bacteria and archaea acquire nitrogen in the form of nitrate (NO₃⁻) or ammonia (NH₃), which are then assimilated into biomolecules through specific enzymatic pathways.Assimilatory Nitrate ReductionWhen nitrate enters the cell, it undergoes a two-step reduction process known as assimilatory nitrate reduction. Initially, the enzyme...
920
Production of Biopesticides
99
Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...
99


