Global Patent Index - EP 1089942 A1

EP 1089942 A1 2001-04-11 - METHOD FOR TREATMENT OF AQUEOUS STREAMS COMPRISING BIOSOLIDS

Title (en)

METHOD FOR TREATMENT OF AQUEOUS STREAMS COMPRISING BIOSOLIDS

Title (de)

VERFAHREN ZUR BEHANDLUNG VON BIO-FESTSTOFFE ENTHALTENDEN WÄSSERIGEN STRÖMUNGEN

Title (fr)

PROCEDE DE TRAITEMENT DE COURANTS AQUEUX COMPRENANT DES SOLIDES BIOLOGIQUES

Publication

EP 1089942 A1 (EN)

Application

EP 99925834 A

Priority

  • US 9911550 W
  • US 8604898 A
  • US 31509999 A

Abstract (en)

[origin: WO9961377A1] A process is provided which can be used to clarify substantially aqueous streams and optionally separate biosolids, especially proteins, from food processing operations which comprises contacting an aqueous stream comprising biosolids with an anionic inorganic colloid and an organic polymer, to flocculate the biosolids.

IPC 1-7 (main, further and additional classification)

C02F 1/52

IPC 8 full level (invention and additional information)

B01D 21/01 (2006.01); C02F 1/52 (2006.01); C02F 1/56 (2006.01)

CPC (invention and additional information)

C02F 1/56 (2013.01); C02F 1/5236 (2013.01)

Citation (search report)

See references of WO 9961377A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IT LI LU NL PT SE

EPO simple patent family

WO 9961377 A1 19991202; AU 4204599 A 19991213; AU 739608 B2 20011018; BR 9911196 A 20011016; CA 2330052 A1 19991202; CA 2330052 C 20090428; CN 100360437 C 20080109; CN 1303355 A 20010711; CZ 20004318 A3 20011114; EP 1089942 A1 20010411; HU 0101995 A2 20010928; HU 0101995 A3 20050829; ID 27008 A 20010222; JP 2003520661 A 20030708; NO 20005993 A 20010122; NO 20005993 D0 20001127; NO 323051 B1 20061227; NZ 508464 A 20021220; PL 344523 A1 20011105; SK 17652000 A3 20020205

INPADOC legal status


2014-02-05 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20130827

2003-03-05 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030121

2001-04-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001102

2001-04-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB IT LI LU NL PT SE