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Method for treating sausage casing wastewater

A treatment method and casing technology are applied in the field of casing wastewater treatment, which can solve the problems of high wastewater treatment cost, impact on enterprise economic benefits and high energy consumption, and achieve the effect of full energy utilization

Pending Publication Date: 2019-04-19
无锡优普克生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] my country is the world's largest producer of natural casings. Millions of tons of casing production wastewater are produced every year. The traditional treatment methods include biological methods, physical and chemical methods, and biophysical and chemical methods. There are common problems such as high energy consumption, complicated processes, and incomplete treatment. The high cost of wastewater treatment seriously affects the economic benefits of enterprises

Method used

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  • Method for treating sausage casing wastewater
  • Method for treating sausage casing wastewater
  • Method for treating sausage casing wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A treatment method for casing waste water, comprising the steps of:

[0053] 1) Sterilization: sterilize the artificial collagen casing wastewater to be treated at 115°C for 30 minutes;

[0054] 2) Solid-liquid separation: Cool the sterilized material to 60°C, and send it to a centrifuge at a centrifugal speed of 1500r / min for 10 minutes to obtain the filtrate and protein-rich solids;

[0055] 3) Desalination: pass the filtrate through a nanofiltration device to obtain high-salt wastewater, amino acid, and peptide solutions; high-salt wastewater undergoes multi-effect continuous crystallization to obtain crystallized salt and casing reuse water;

[0056] 4) Pulverizing and refining

[0057] Pulverizing and refining the protein-rich solids in step 2) to obtain a slurry;

[0058] 5) Enzymolysis

[0059] Mix the slurry of step 3) amino acid, peptide solution and step 4) into the enzymolysis tank, the mass ratio of amino acid, peptide solution and slurry is 1:3, add 1% c...

Embodiment 2

[0065] A treatment method for casing waste water, comprising the steps of:

[0066] 1) Sterilization: sterilize the artificial collagen casing wastewater to be treated at high temperature, the sterilization temperature is 120°C, and the sterilization time is 30 minutes;

[0067] 2) Solid-liquid separation: Cool the sterilized material to 65°C and send it to a centrifuge for centrifugation at a speed of 1500r / min for 20 minutes to obtain filtrate and protein-rich solids;

[0068] 3) Desalting: passing the filtrate through a nanofiltration device to obtain high-salt wastewater, amino acid and peptide solutions; the high-salt wastewater is continuously crystallized through multiple effects to obtain crystalline salt and casing reuse water;

[0069] 4) Pulverizing and refining

[0070] Pulverizing and refining the protein-rich solids in step 2) to obtain a slurry;

[0071] 5) Enzymolysis

[0072] Mix step 3) amino acid, peptide solution and step 4) slurry into the enzymolysis t...

Embodiment 3

[0078] A treatment method for casing waste water, comprising the steps of:

[0079] 1) Sterilization: sterilize the artificial collagen casing wastewater to be treated at high temperature at 125°C for 30 minutes;

[0080] 2) Solid-liquid separation: Cool the sterilized material at a cooling temperature of 70°C and send it to a centrifuge for centrifugation at a speed of 1500r / min for 30 minutes to obtain filtrate and protein-rich solids;

[0081] 3) Desalination: pass the filtrate through a nanofiltration device to obtain high-salt wastewater, amino acid, and peptide solutions; high-salt wastewater undergoes multi-effect continuous crystallization to obtain crystallized salt and casing reuse water;

[0082] 4) Pulverizing and refining

[0083] Pulverizing and refining the protein-rich solids in step 2) to obtain a slurry;

[0084] 5) Enzymolysis

[0085] Mix the slurry of step 3) amino acid, peptide solution and step 4) into the enzymolysis tank, the mass ratio of amino aci...

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Abstract

The invention discloses a method for treating sausage casing wastewater. The method comprises the following steps of: 1) sterilizing; 2) carrying out solid-liquid separation to obtain filtrate and protein-rich solid contents; 3) desalting, wherein the filtrate is passed through a nanofiltration device to obtain high salinity wastewater, amino acid solution and peptide solution; multiple-effect continuous crystallization is carried out on the high salinity wastewate to obtain crystallized salt and sausage casing recycle water; 4) crushing and pulping, wherein the protein-rich solid contents arecrushed and ground to obtain pulp; 5) carrying out enzymolysis, wherein amino acid, peptide solution and pulp are mixed and enzymolysis is carried out on the mixture; 6) concentrating, wherein the mixed solution is concentrated to obtain a concentrated material; and 7) carrying out spray drying, wherein the concentrated material is mixed with auxiliary materials, and spray drying is carried out to obtain an intestinal membrane protein powder. The invention provides the method for treating sausage casing wastewater, which combines a nanofiltration technology, a biological enzyme technology, ahigh salinity wastewater treatment technology and a spray drying technology; the method can meet requirements of sausage casing wastewater treatment, can bring economic benefits to enterprises, and ispracticable.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a treatment method for casing waste water. Background technique [0002] my country is the largest producer of natural casings in the world. Millions of tons of casing production wastewater are produced every year. The traditional treatment methods include biological methods, physical and chemical methods, and biophysical and chemical methods. There are common problems such as high energy consumption, complicated processes, and incomplete treatment. The high cost of wastewater treatment seriously affects the economic benefits of enterprises. [0003] From the perspective of comprehensive utilization of resources, the comprehensive utilization of casing production wastewater in my country is very weak. Casing casing wastewater is high-salt and high-protein wastewater with a salt content of 2-4% and crude protein of 4-8%. Organic substances such as protein have high recycli...

Claims

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Application Information

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IPC IPC(8): A23K20/147A23K20/142A23K10/14A23K10/26A23K10/37
CPCA23K10/14A23K10/26A23K10/37A23K20/142A23K20/147Y02P60/87
Inventor 周建根刘成林刘飞范军伟于淼王媚艳
Owner 无锡优普克生物科技有限公司
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