Method for producing alcohol and feed by utilizing seaweed chemical waste material

A seaweed and chemical technology, applied in the field of marine resources and biology, can solve problems such as environmental pollution, lack of treatment methods and utilization methods, residues and wastes, and achieve the effect of solving environmental pollution problems

Inactive Publication Date: 2009-08-19
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continuous increase in the number and variety of chemical products produced by seaweed, the amount of waste formed after the chemical process of seaweed is also increasing, and in some areas, these residues are littered or lack effective treatment methods and utilization. Therefore, the treatment and comprehensive utilization of seaweed chemical waste is an urgent issue in the field of chemical processing of marine resources.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: Kelp waste residue, serial fermentation.

[0031] The method for producing ethanol and feed by utilizing seaweed chemical waste, consists of the following steps:

[0032] (1) Seaweed chemical waste selection: choose kelp waste residue, according to the water content of the waste residue, add an appropriate amount of water to make a suspension with a residue concentration of 30% in weight percentage, adjust the pH to 5 to 6 with dilute acid solution, and set aside .

[0033](2) Strain selection: select cellulase producing bacteria: Trichoderma viride (Trichoderma viride) AF93252 provided by the China Typical Culture Collection Center of Wuhan University, the preservation number is CCTCC NO.AF93252; Saccharomyces cerevisiae strain: Angelica, from Supermarket purchases.

[0034] (3) Preparation of liquid fermentation strains: use the cellulase-producing bacterial strain described in step (2), under aseptic conditions, through test tube slopes, shake flasks,...

Embodiment 2

[0042] Embodiment 2: Sargassum waste residue, serial fermentation

[0043] The method for producing ethanol and feed by utilizing seaweed chemical waste, consists of the following steps:

[0044] (1) Seaweed chemical waste selection: select Sargassum waste residue, add appropriate amount of water according to the water content of the waste residue to make a suspension with a residue concentration of 25% by weight, adjust the pH to 5.5 with dilute acid solution, and set aside.

[0045] (2) Strain selection: Trichoderma viride AF93252, provided by China Center for Type Culture Collection (CCTCC) of Wuhan University, [Accession No.] AF93252; Saccharomyces cerevisiae strain: Angelica, purchased from a supermarket.

[0046] (3) Preparation of liquid fermentation strains: use the cellulase-producing bacterial strain described in step (2), under aseptic conditions, through test tube slopes, shake flasks, first-level seed tanks, and second-level seed tanks to gradually amplify and cul...

Embodiment 3

[0054] Embodiment 3: kelp raw material, serial fermentation

[0055] The method for producing ethanol and feed by utilizing seaweed chemical waste, consists of the following steps:

[0056] (1) Selection of seaweed chemical waste: choose dry kelp to pulverize, add appropriate amount of water to make a suspension with a slag concentration of 35% by weight in a ratio of about 1:40, adjust the pH to 5 with dilute acid solution, and set aside .

[0057] (2) Strain selection: Trichoderma viride (Trichoderma viride) AF93252 provided by the China Center for Type Culture Collection (CCTCC) of Wuhan University, [preservation number] AF93252; Saccharomyces cerevisiae strain: Angelica, purchased from a supermarket.

[0058] (3) Preparation of liquid fermentation strains: use the cellulase-producing bacterial strain described in step (2), under aseptic conditions, through test tube slopes, shake flasks, first-level seed tanks, and second-level seed tanks to gradually amplify and cultivat...

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PUM

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Abstract

The invention discloses a method for producing alcohol and feed by alga chemical waste, i.e. using the cellulose-containing waste residues as raw materials formed in the course of producing sodium alginate, mannitol, I or trehalose glue products in the alga chemical industry, making enzymatic hydrolysis by cellulase and anaerobic fermentation by brewing yeast or double fermentation by cellulase producing bacteria and brewing yeast, then making solid-liquid separation and obtaining alcohol and feed. And the invention provides economic, environmental protection and effective industrial technique for waste residues and waste liquid in the alga chemical industry, able to turn waste into wealth and provide important technical support for full and high value utilization of alga resources and development of alga circulating economy.

Description

technical field [0001] The invention belongs to the technical field of marine resource biology, and in particular relates to a method for producing ethanol and protein feed through biotransformation of seaweed chemical wastes with enzymes and microorganisms. Background technique [0002] Seaweed mainly refers to brown algae (kelp, giant algae, mozuku, ascophyllum nodosum, wakame, hijiki, sargassum, rope algae, laver, etc.) and other algae that are naturally or artificially cultivated in the ocean. There are artificial breeding bases of different scales in Shandong, Fujian, Zhejiang and other places in my country. There are a large number of wild kelp and other rich algae resources along the coast of South America and North America. [0003] Seaweed is an important chemical raw material, which can be used to produce chemical products such as sodium alginate, mannitol, iodine, and fucoidan. After the large-scale promotion of seaweed and other brown algae breeding techniques ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P7/08A23K1/00C12R1/885A23K10/12
Inventor 吉爱国高培基
Owner SHANDONG UNIV
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