Process for producing lignin diesel

A production process, lignin technology, applied in the production process of emulsified diesel oil containing lignin, can solve the problems of poor stability, high cost, low lignin addition, etc., and achieve stable system, easy operation and high lignin content Effect

Inactive Publication Date: 2011-09-14
NORTHEAST FORESTRY UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention proposes to form a homogeneous and stable emulsified diesel oil with an aqueous solution dissolved in alkali lignin and die

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] Example 1:

[0029] First, the emulsifier Span-80 and CTAB are mixed uniformly under the action of colloid mill in proportion, among which Span-80 is 1.945kg and CTAB is 1.055kg, and then the prepared emulsifier is sheared evenly by colloid mill strength. In 38.389kg diesel oil, a stable dispersion system is obtained, and then 1.111kg of co-emulsifier n-butanol and oil improver containing 0.01kg pyrogallic acid, 0.04kg cetyl alcohol and 0.05kg isooctyl nitrate are added, and finally 1.875kg of alkali lignin was dissolved in 5.625kg of water, added with 10% hydrogen peroxide, decolorized at 60°C for 40 minutes and filtered to remove impurities, then injected into the above dispersion system at a constant speed, continue to circulate and disperse 3 times with a colloid mill, take out the natural sedimentation for 2 days, filter the supernatant The liquid is lignin diesel.

Example Embodiment

[0030] Example 2:

[0031] First, the emulsifier Span-80 and CTAB are mixed uniformly under the action of an emulsifying pump in proportion, where Span-80 is 3.469kg and CTAB is 0.531kg, and then the prepared emulsifier is evenly dispersed in the emulsifying pump by strong shearing 39.519kg diesel oil, get a stable dispersion system, then add 1.481kg of co-emulsifier n-butanol and oil improver containing 0.005kg pyrogallic acid, 0.005kg cetyl alcohol and 0.025kg isooctyl nitrate, and finally add 1.25kg Kg of alkali lignin was dissolved in 3.75kg of water, added with 5% hydrogen peroxide, decolorized at 70℃ for 20 minutes and filtered to remove impurities, and then injected into the above dispersion system at a uniform speed. Use an emulsifying pump to continue circulating and dispersing for 5 times. Take out the natural sedimentation for 2 days, and filter the supernatant liquid That is lignin diesel.

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PUM

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Abstract

The invention discloses a process for producing lignin diesel. The method is characterized by comprising the following steps of: uniformly mixing the components of an emulsifier in a ratio, forcibly dispersing the uniformly mixed emulsifier and diesel by a physical means to obtain a stable dispersing system, then adding assistant emulsifier and an oil modifier in a certain ratio, injecting decolored alkali lignin aqueous solution from which impurities are removed into the system at a constant speed, continuously dispersing cyclically for certain times, taking out and naturally settling for 1 to 2 days, and filtering to obtain supernate, namely the lignin diesel. In the process, the lignin diesel is prepared from the waste lignin used as raw materials instead of partial diesel. The process has the advantages of simplicity, easiness in amplification, and industrialization and the like.

Description

technical field [0001] The invention relates to a fuel production process using biomass as a fuel additive, in particular to a lignin-containing emulsified diesel production process with the advantages of energy saving, environmental protection, long storage period, and convenient use. technical background [0002] Lignin is a kind of substance composed of polymerized aromatic alcohols, which are respectively: p-coumaryl alcohol, coniferyl alcohol, 5-hydroxy coniferyl alcohol, and sinapyl alcohol. It is a complex phenolic polymer formed by four alcohol monomers. A polycyclic polymer organic compound containing many electronegative groups. It is one of the components that make up the plant cell wall, mainly located between cellulose fibers, its composition and properties are relatively complex, and it has the function of strengthening the cell wall and bonding fibers in plant tissues. In woody plants, lignin accounts for 25% and is the second most abundant organic matter in ...

Claims

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Application Information

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IPC IPC(8): C10L1/32C10L1/19C10L1/222C10L1/182C10L1/14C10L1/23C10L1/188
Inventor 祖元刚赵修华李汶罡祖纯林祖柏实祖畅张宝友杨磊路琪张军孙志强
Owner NORTHEAST FORESTRY UNIVERSITY
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