SE8604357L - PROCEDURE FOR BIOSLAM HEAT TREATMENT - Google Patents

PROCEDURE FOR BIOSLAM HEAT TREATMENT

Info

Publication number
SE8604357L
SE8604357L SE8604357A SE8604357A SE8604357L SE 8604357 L SE8604357 L SE 8604357L SE 8604357 A SE8604357 A SE 8604357A SE 8604357 A SE8604357 A SE 8604357A SE 8604357 L SE8604357 L SE 8604357L
Authority
SE
Sweden
Prior art keywords
sludge
heat treatment
treatment
conventional heat
temperature
Prior art date
Application number
SE8604357A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8604357D0 (en
Inventor
H Damen
K Lahti-Nuuttila
T Peltola
Original Assignee
Enso Gutzeit Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enso Gutzeit Oy filed Critical Enso Gutzeit Oy
Publication of SE8604357D0 publication Critical patent/SE8604357D0/en
Publication of SE8604357L publication Critical patent/SE8604357L/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Paper (AREA)

Abstract

Process for the heat treatment of a biological sludge in which the pH of the sludge is adjusted to a value of between 3.0 and 4.5 and the sludge is then treated in a reactor 3 at a temperature which is lower than the temperature of conventional heat treatment of biological sludge at 110-150 DEG C and at a pressure which is lower than that of the conventional heat treatment. The dehydration properties of the sludge are appreciably improved in the treatment. As a result of the low pressure, the energy of a backpressure steam in the temperature range 110-130 DEG C can be employed for heating the sludge. It is further possible to improve the treatment by adding to the sludge a chemical substance acting as an oxidising agent. Less organic matter is dissolved in the process and more nutrient substances in relation to the quantity of organic matter dissolved than in the conventional heat treatment. The nutrient substance economy of the purification equipment can be adjusted by changing the treatment conditions. <IMAGE>
SE8604357A 1985-10-16 1986-10-15 PROCEDURE FOR BIOSLAM HEAT TREATMENT SE8604357L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI854034A FI854034L (en) 1985-10-16 1985-10-16 FOERFARANDE FOER VAERMEBEHANDLING AV BIOSLAM.

Publications (2)

Publication Number Publication Date
SE8604357D0 SE8604357D0 (en) 1986-10-15
SE8604357L true SE8604357L (en) 1987-04-17

Family

ID=8521519

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8604357A SE8604357L (en) 1985-10-16 1986-10-15 PROCEDURE FOR BIOSLAM HEAT TREATMENT

Country Status (4)

Country Link
DE (1) DE3635268A1 (en)
FI (1) FI854034L (en)
FR (1) FR2588549B3 (en)
SE (1) SE8604357L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4033342A1 (en) * 1990-10-19 1992-04-23 Oemv Deutschland Gmbh Treating waste water contg. sludge - by addn. of hydrogen peroxide, oxidn. and distillation to remove volatiles
CA2079400A1 (en) * 1991-10-11 1993-04-12 Geza L. Kovacs Process for enhancing the dewaterability of waste sludge from microbiological digestion
DE102010041582A1 (en) 2010-09-29 2012-03-29 Siemens Aktiengesellschaft Combined method for disinfection, process for the treatment of sludge

Also Published As

Publication number Publication date
FI854034L (en) 1987-04-17
SE8604357D0 (en) 1986-10-15
FR2588549B3 (en) 1988-01-08
FI854034A0 (en) 1985-10-16
DE3635268A1 (en) 1987-04-23
FR2588549A1 (en) 1987-04-17

Similar Documents

Publication Publication Date Title
KR930016353A (en) Method of treating wastewater containing inorganic ammonium salt
JPS551851A (en) Dehydration of organic sludge
SE8200067L (en) METHODS OF TREATMENT FOR THE OXIDATION OF ORGANIC SUBSTANCES IN OVERCritical Water
JP2006205017A (en) Treatment method and treatment system of organic waste
US5451319A (en) Anaerobic digestion process for sewage sludge
TR26660A (en) DISINFECTION OF THE LAGIM TORUS AND AOROBIC BALANCE - A PROCESSING PROCEDURE
FR2327965A1 (en) Dewatering activated sludge from effluent treatment - by acidifying, heating then separating the dehydrated sludge
SE8604357L (en) PROCEDURE FOR BIOSLAM HEAT TREATMENT
KR880007014A (en) Treatment of Corn Sediment
GB2003459A (en) Utilization of sludges formed as the by-product of sewage purification
JPS5710398A (en) Treatment of muddy substance
JPS54123246A (en) Heat treatment of organic waste
Sa´ nchez et al. Treatment of sewage water from tourist areas by anaerobic fixed-bed reactor
JPS5594698A (en) Method of improving dehydrating property of organic sludge
ES453321A1 (en) A procedure and a corresponding device for the continuous treatment of the wet mud obtained in a water treatment plant. (Machine-translation by Google Translate, not legally binding)
JPS5584598A (en) Treatment of cyanide-containing waste water from manufacturing process of organic compound
JPH0373360B2 (en)
SE7907019L (en) SET AND DEVICE FOR UTILIZATION OF SPLITTED GOODS WATER
NO171902B (en) PROCEDURE FOR THE REMOVAL OF INDUSTRIAL WATER OXYGEN USING MORPHOLINO HEXOSE REDUCTION
JPS59397A (en) Treatment of effluent from heat-treated sludge
Noland et al. Stabilization and disinfection of wastewater treatment plant sludges
JPS5742400A (en) Treatment of organic waste solution with sludge
JPS5556899A (en) Treatment method for sludge
JPS57197100A (en) Treatment of sewage sludge
JPS5689898A (en) Method of treating organic material containing waste matter and waste water

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8604357-7

Effective date: 19890524