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Utilization of whey with microbiological processing

Journal Article:

Abstract

Besides biogas production, the following processes and technologies are available in practice for microbiological processing: 1) Lactic acid Using thermophilic lactic acid bacteria, such as Lactobacillus bulgaricus, the procedure is economically performed at 45-50/sup 0/C. Since the bacteria are sensitive to high lactate concentrations, buffering with CaCO/sub 3/ or lime-milk is necessary. 2) Ethanol Using lactose-fermenting yeasts, such as Kluyvermyces fragilis, alcohol production is easily performed at 25/sup 0/C and at pH-values between 4 and 6, the dry matter contents varying between 5 and 15% (concentrated whey or permeate). Addition of ammonium sulphate is necessary. 3) Single Cell Protein One-stage production of single cell protein (SCP) is possible using lactose-fermenting aerobic yeasts (K. fragilis, Candida utilis etc.). The yeast procuced and utilized in animal feeding (as Milke replacement in calf rearing) is currently offered in the Federal Republic of Germany at a price of approximately DM 1.40/kg. Two-stage fermentation of Saccharomyces cerevisiae following lactic acid fermentation and addition of enzymatically hydrolyzed starch can be performed effluent-free.
Authors:
Publication Date:
Aug 01, 1981
Product Type:
Journal Article
Reference Number:
EDB-82-139660
Resource Relation:
Journal Name: Wiss. Umwelt ISU; (Germany, Federal Republic of); Journal Volume: 3
Subject:
09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES; 60 APPLIED LIFE SCIENCES; BUTANOLS; BIOSYNTHESIS; ETHANOL; LACTIC ACID; ANAEROBIC DIGESTION; METHANE; SINGLE CELL PROTEIN; WHEY; AEROBIC DIGESTION; BIOMASS; MICROORGANISMS; ALCOHOLS; ALKANES; BIOCONVERSION; CARBOXYLIC ACIDS; DIGESTION; ENERGY SOURCES; HYDROCARBONS; HYDROXY ACIDS; HYDROXY COMPOUNDS; INDUSTRIAL WASTES; MANAGEMENT; ORGANIC ACIDS; ORGANIC COMPOUNDS; PROCESSING; RENEWABLE ENERGY SOURCES; SYNTHESIS; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; 140504* - Solar Energy Conversion- Biomass Production & Conversion- (-1989); 550700 - Microbiology; 553000 - Agriculture & Food Technology
OSTI ID:
5204693
Country of Origin:
Germany
Language:
German
Other Identifying Numbers:
Journal ID: CODEN: WUISD
Submitting Site:
HEDB
Size:
Pages: 135-140
Announcement Date:

Journal Article:

Citation Formats

Teuber, M. Utilization of whey with microbiological processing. Germany: N. p., 1981. Web.
Teuber, M. Utilization of whey with microbiological processing. Germany.
Teuber, M. 1981. "Utilization of whey with microbiological processing." Germany.
@misc{etde_5204693,
title = {Utilization of whey with microbiological processing}
author = {Teuber, M}
abstractNote = {Besides biogas production, the following processes and technologies are available in practice for microbiological processing: 1) Lactic acid Using thermophilic lactic acid bacteria, such as Lactobacillus bulgaricus, the procedure is economically performed at 45-50/sup 0/C. Since the bacteria are sensitive to high lactate concentrations, buffering with CaCO/sub 3/ or lime-milk is necessary. 2) Ethanol Using lactose-fermenting yeasts, such as Kluyvermyces fragilis, alcohol production is easily performed at 25/sup 0/C and at pH-values between 4 and 6, the dry matter contents varying between 5 and 15% (concentrated whey or permeate). Addition of ammonium sulphate is necessary. 3) Single Cell Protein One-stage production of single cell protein (SCP) is possible using lactose-fermenting aerobic yeasts (K. fragilis, Candida utilis etc.). The yeast procuced and utilized in animal feeding (as Milke replacement in calf rearing) is currently offered in the Federal Republic of Germany at a price of approximately DM 1.40/kg. Two-stage fermentation of Saccharomyces cerevisiae following lactic acid fermentation and addition of enzymatically hydrolyzed starch can be performed effluent-free.}
journal = {Wiss. Umwelt ISU; (Germany, Federal Republic of)}
volume = {3}
journal type = {AC}
place = {Germany}
year = {1981}
month = {Aug}
}