Method for recovery of waste water residues
Abstract
A method for recovery of waste water residues containing the activated sludge biomass, fibre and bark comprising the steps of treating these with alkali solution having a concentration of 5-80 g/l on the Na/sub 2/O basis at a temperature of 20/sup 0/-70/sup 0/ C. and dewatering the reaction mixture obtained, the alkali filtrate decanted containing the activated sludge alkali hydrolysis products being used to dissolve the melt in the course of preparing the alkali pulping liquor, and the dewatered alkali mass being added, in an amount of up to 40 percent by mass, to the fibred mass composition for the manufacture of cardboard and wood-fibre board.
- Inventors:
- Publication Date:
- OSTI Identifier:
- 6025018
- Patent Number(s):
- US 4481072
- Assignee:
- Vsesojuznoe Nauchno-Proizvodstven Noe Obiedinenie Tselljulozno-Bumazhnoi Promyshlennosti (Union of Soviet Socialist Republics)
- Resource Type:
- Patent
- Resource Relation:
- Patent Priority Date: Priority date 20 Aug 1982, Union of Soviet Socialist Republics (USSR); Other Information: PAT-APPL-410162
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 09 BIOMASS FUELS; BIOMASS; MATERIALS RECOVERY; PAPER INDUSTRY; WASTE PRODUCT UTILIZATION; WASTE WATER; FILTRATION; WATER TREATMENT; WOOD; DEHYDRATION; FIBERS; HYDROLYSIS; MEDIUM TEMPERATURE; PURIFICATION; RESIDUES; SLUDGES; SODIUM OXIDES; ALKALI METAL COMPOUNDS; CHALCOGENIDES; CHEMICAL REACTIONS; DECOMPOSITION; ENERGY SOURCES; HYDROGEN COMPOUNDS; INDUSTRY; LIQUID WASTES; LYSIS; MANAGEMENT; OXIDES; OXYGEN COMPOUNDS; PROCESSING; RECOVERY; RENEWABLE ENERGY SOURCES; SEPARATION PROCESSES; SODIUM COMPOUNDS; SOLVOLYSIS; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; WATER; WOOD PRODUCTS INDUSTRY; 140504* - Solar Energy Conversion- Biomass Production & Conversion- (-1989)
Citation Formats
Grudinin, V P, Bukhteev, B M, and Dergunova, T V. Method for recovery of waste water residues. United States: N. p., 1984.
Web.
Grudinin, V P, Bukhteev, B M, & Dergunova, T V. Method for recovery of waste water residues. United States.
Grudinin, V P, Bukhteev, B M, and Dergunova, T V. 1984.
"Method for recovery of waste water residues". United States.
@article{osti_6025018,
title = {Method for recovery of waste water residues},
author = {Grudinin, V P and Bukhteev, B M and Dergunova, T V},
abstractNote = {A method for recovery of waste water residues containing the activated sludge biomass, fibre and bark comprising the steps of treating these with alkali solution having a concentration of 5-80 g/l on the Na/sub 2/O basis at a temperature of 20/sup 0/-70/sup 0/ C. and dewatering the reaction mixture obtained, the alkali filtrate decanted containing the activated sludge alkali hydrolysis products being used to dissolve the melt in the course of preparing the alkali pulping liquor, and the dewatered alkali mass being added, in an amount of up to 40 percent by mass, to the fibred mass composition for the manufacture of cardboard and wood-fibre board.},
doi = {},
url = {https://www.osti.gov/biblio/6025018},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 06 00:00:00 EST 1984},
month = {Tue Nov 06 00:00:00 EST 1984}
}
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