Method and device for producing biological butanol with straw-like materials or agricultural and forestry wastes

A technology for agricultural and forestry waste and bio-butanol is applied in the field of devices for producing bio-butanol from straw materials or agricultural and forestry waste, and can solve the problem of high cost

Inactive Publication Date: 2010-12-29
ZHENGZHOU DAYANG GREASE CHEM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of these two methods is relatively high, both of which are to maximize the utilization of resources

Method used

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  • Method and device for producing biological butanol with straw-like materials or agricultural and forestry wastes
  • Method and device for producing biological butanol with straw-like materials or agricultural and forestry wastes
  • Method and device for producing biological butanol with straw-like materials or agricultural and forestry wastes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: as figure 1 As shown, the device for producing bio-butanol from straw materials or agricultural and forestry wastes includes a crushing device 1, a washing device 2, a hoist 3, a conveying device 4, a hydrolysis pot 5, a solid-liquid separation device 51, and a neutralization tank connected in sequence 7. Decolorization tank 9, ion exchange device 91, batching tank 11, sterilizing device 12, heat exchanger 13, three series-connected fermentation tanks 16, temporary storage tank 17, rectification device 20, liquid outlet of solid-liquid separation device 51 Connected with the neutralization tank 7, the solid outlet of the solid-liquid separation device 51 is connected with the batching tank 11 through the neutralization tank 6, the enzymolysis device 8 and the decolorization tank 10, the neutralization tank 7 and the decolorization tank 9 and the decolorization tank 9 and the ion exchange tank All are provided with solid-liquid separation device 71 between ...

Embodiment 2

[0027] Embodiment 2: as figure 1 As shown, the device for producing bio-butanol from straw materials or agricultural and forestry wastes is the same as that in Example 1.

[0028] The method for producing bio-butanol from straw materials or agricultural and forestry wastes comprises the following steps: (1) First, the sunflower straw is cleaned, then crushed by a crushing device 1, washed by a water washing device 2, sent to a hydrolysis pot 5, and then added Phosphoric acid with a mass percentage concentration of 5% is hydrolyzed, and the amount of phosphoric acid added is 6 times the weight of sunflower stalks, and then 110 ° C hot steam is passed through for 6 hours for hydrolysis, and the solid-liquid mixture after hydrolysis is separated into hydrolyzed liquid and solid; Add calcium carbonate to the hydrolyzate to neutralize the pH value to 5, then separate the solid from the liquid, add activated carbon to the liquid part for adsorption and decolorization, and then separ...

Embodiment 3

[0031] Embodiment 3: as figure 1 As shown, the device for producing bio-butanol from straw materials or agricultural and forestry wastes is the same as that in Example 1.

[0032] The method for producing bio-butanol from straw materials or agricultural and forestry wastes comprises the following steps: (1) first cleaning branches and sawdust, then crushing them through a crushing device 1, and then washing them with water in a washing device 2 and sending them into a hydrolysis pot 5, adding Soak in hot water at 98°C for 1 hour, then add oxalic acid with a mass percentage concentration of 10% for hydrolysis. The solid-liquid separation of the liquid mixture is divided into hydrolyzed liquid and solid matter; adding potassium carbonate and potassium hydroxide to the hydrolyzed liquid to neutralize the pH value to 7, then separating the solid-liquid, adding activated carbon to the liquid part for adsorption and decolorization, and then separating the solid-liquid, and the liqui...

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Abstract

The invention discloses a method for producing biological butanol with straw-like materials or agricultural and forestry wastes, comprising the following steps: the straw-like materials or agricultural and forestry wastes are firstly crushed and then soaked in hot water; then diluted acid is used as catalyst for carrying out hydrolysis on the mixture; then solid-liquid separation is carried out on the mixture, the adsorption and decoloration as well as the solid-liquid separation are carried out the liquid part, ion exchange and deacidification are carried out on the liquid material to enable the liquid material to become aqueous solution containing pentose; solid matter of the hydrolyzed diluted acid is firstly washed by water and then cellulose in the solid matter is enzymolyzed to obtain the aqueous solution containing hexose; aqueous solution containing pentose is solely fermented or the aqueous solution containing pentose and the aqueous solution containing hexose are mixed and then fermented, rectification separation is carried out on the consequential fermentation broth to obtain acetone, butanol and ethanol. The method of the invention realizes the maximum utilization of the straw-like materials or agricultural and forestry wastes, reduces cost of acetone, butanol and ethanol, thus being suitable for industrial large-scale application.

Description

technical field [0001] The invention belongs to the technical field of producing butanol from straw materials, and relates to a method for producing bio-butanol from straw materials or agricultural and forestry wastes, and also relates to a device for producing bio-butanol from straw materials or agricultural and forestry wastes. Background technique [0002] Straw materials and agricultural and forestry wastes are a large number of renewable resources, and agricultural and forestry wastes include leaves, branches and sawdust after wood processing. At least 800 million tons of straw materials are harvested in my country every year, and there are about 2.3 billion tons in the world. At present, although a part of straw materials and agricultural and forestry wastes are used for power generation, some are used as fuel, and some are used as raw materials for the production of furfural and xylose, etc., most of them are still not fully utilized, and there is still a waste of res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/16C12P7/10C12P7/28C12M1/00C12R1/145
CPCC12M21/12Y02E50/16C12M45/04C12M45/06C12M45/02Y02E50/10
Inventor 王建设王绍鹏
Owner ZHENGZHOU DAYANG GREASE CHEM EQUIP
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