Cradle to Consumer
Identity ID
37b8ffe5-e072-4d50-b01e-b65bca9eeb53
Materials
Associated ID
2ddd25d8-1113-4afb-99c5-b7b553c8b8fa
Included activities starts
Included activities ends
Description
This dataset is a market dataset representing the consumption market of the region. The dataset includes the transport of the product from the gate to the consumption end, and the transport service is calculated based on the transport situation of the product in the region. Octanol (2-ethylhexanol) is widely used in fields such as organic synthesis, fine chemicals, solvents and extractants, pharmaceutical synthesis, fragrances, and the preparation of surfactants. Octanol is modeled as a pure substance, and when modeling this substance the user needs to add a solvent of their choice in the model; this dataset includes the main raw and auxiliary materials, energy, waste and air emissions of the production process, and infrastructure such as production equipment manufacturing and plant construction is not included within the dataset boundary; the data inventory is formed by merging data from multiple sources; the production activity of this product includes propylene hydroformylation reaction, butyraldehyde purification, hydrogenation reaction, octanol refining and other process steps.
Activity Description
The production activities of this product include propylene hydroformylation reaction, butyraldehyde purification, hydrogenation reaction, octanol refining and other processes.
Process Description
2-Ethylhexanol (2-EH for short) is commonly known as octanol and isooctyl alcohol, chemical formula C8H18O, CAS number 104-76-7. It is a colorless and transparent oily liquid at room temperature and pressure. It has a slight special smell, low volatility, freezing point of about -76°C, boiling point of about 184°C, and excellent low-temperature fluidity. Slightly soluble in water, miscible with most organic solvents such as ethanol, ether, acetone, aromatic hydrocarbons, etc., it has stable chemical properties and has the typical characteristics of long-chain fatty alcohols. It can undergo esterification, etherification, oxidation and other reactions, and is an important organic synthesis intermediate. Industrially, it is mainly used for plasticizer synthesis and fine chemical production; it is also used in solvents and extractants, medicine and spice industries. It can also be used to prepare defoaming agents, textile auxiliaries, etc. It is especially suitable for large-scale production scenarios of basic chemical products such as plasticizers and polymer monomers.
Time period
2022
2026
Geography
China,Zhejiang
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
The low-pressure propylene oxo synthesis method is an advanced mainstream technology for the production of isooctyl alcohol. It is produced by hydroformylation and hydrogenation of propylene and synthesis gas under the action of a rhodium catalyst. The process has high selectivity and few by-products. It accounts for more than 95% of the total production of isooctyl alcohol in the country. This data set represents the mainstream technology: propylene, synthesis gas (a mixture of carbon monoxide and hydrogen) and hydrogen are used as raw materials, and octanol (2-ethylhexanol) is synthesized through the action of a catalyst:
1. Propylene hydroformylation reaction: First, propylene and synthesis gas undergo a hydroformylation reaction under the action of a catalyst to generate crude aldehyde.
2. Separation and purification of butyraldehyde: Through the refining process, n-butyraldehyde and isobutyraldehyde are separated from the crude aldehyde.
3. Hydrogenation reaction: Butyraldehyde is subsequently converted into crude octanol through hydrogenation reaction.
4. Refining: Crude octanol enters the distillation unit and removes water, low-boiling point impurities and high-boiling point impurities through multi-tower distillation.