APPLICATION OF ANAEROBIC-UF MEMBRANE REACTOR FOR TREATMENT OF A WASTE-WATER CONTAINING HIGH-STRENGTH PARTICULATE ORGANICS

被引:64
作者
HARADA, H
MOMONOI, K
YAMAZAKI, S
TAKIZAWA, S
机构
[1] SHINKO PANTEC CO LTD,DIV RES & DEV,NISHI KU,KOBE 65122,HYOGO,JAPAN
[2] UNIV TOKYO,DEPT URBAN ENGN,BUNKYO KU,TOKYO 113,JAPAN
关键词
ANAEROBIC PROCESS; CELLULOSE DEGRADATION; METHANOGENS; PERMEATE FLUX; ULTRAFILTRATION MEMBRANE;
D O I
10.2166/wst.1994.0630
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A cross-flow ultrafiltration (UF) membrane separation was applied to anaerobic process for treatment of a wastewater containing high proportion of particulate COD. A synthetic wastewater with the total strength of 5000 mg COD . l(-1) consisting of soluble and particulate COD (cellulose) in the ratio of 1:1 was fed to the reactor. The reactor was operated for 190 days at two loading rates, i.e. 1.5 and 2.5 kg COD . m(-3). d(-1). More than 98% of COD removal was consistently achieved throughout the duration, and the system was furthermore likely to accommodate much higher loading. Although the permeate COD was always kept at less than 80 mg COD . l(-1), soluble COD of reactor broth accumulated up to 1200 mg COD . l(-1). The biomass concentration saturated around 15 000 mg MLVSS . l(-1). There was no tendency for cellulose to accumulate in the reactor over the whole period, which constituted only 1-2% of the total solids retained in the reactor. The methanogenic activity of the sludge increased 3.4 times for H-2/CO2 and 10 times for acetate after 40 days operation. Afterwards, however, a further cultivation caused declines to 50% of the respective peak values for both substrates, because of a low sludge loading. The methanogenic activity using cellulose as a test substrate also exhibited a similar tendency. The membrane permeate flux deteriorated significantly with the cultivation time, owing to the change in theological properties of the reactor mixed liquor that had been caused not only by increment of MLSS but also by accumulation of soluble high molecular organics.
引用
收藏
页码:307 / 319
页数:13
相关论文
共 9 条
[1]   ACTIVITY MEASUREMENTS AS A TOOL TO CHARACTERIZE THE MICROBIAL COMPOSITION OF METHANOGENIC ENVIRONMENTS [J].
DOLFING, J ;
BLOEMEN, WGBM .
JOURNAL OF MICROBIOLOGICAL METHODS, 1985, 4 (01) :1-12
[2]  
HENZE M, 1983, WATER SCI TECHNOL, V15, P1
[3]   HIGH-RATE ANAEROBIC-DIGESTION OF WOOL SCOURING WASTE-WATER IN A DIGESTER COMBINED WITH MEMBRANE-FILTER [J].
HOGETSU, A ;
ISHIKAWA, T ;
YOSHIKAWA, M ;
TANABE, T ;
YUDATE, S ;
SAWADA, J .
WATER SCIENCE AND TECHNOLOGY, 1992, 25 (07) :341-350
[4]   FIELD-TEST OF A COMPOSITE METHANE GAS-PRODUCTION SYSTEM INCORPORATING A MEMBRANE MODULE FOR MUNICIPAL SEWAGE [J].
KIRIYAMA, K ;
TANAKA, Y ;
MORI, I .
WATER SCIENCE AND TECHNOLOGY, 1992, 25 (07) :135-141
[5]   UASB-PROCESS DESIGN FOR VARIOUS TYPES OF WASTEWATERS [J].
LETTINGA, G ;
POL, LWH .
WATER SCIENCE AND TECHNOLOGY, 1991, 24 (08) :87-107
[6]  
LI A, 1984, IND WASTE C PURDUE U, V39, P672
[7]   THE TREATMENT OF LIQUOR WASTE-WATER CONTAINING HIGH-STRENGTH SUSPENDED-SOLIDS BY MEMBRANE BIOREACTOR SYSTEM [J].
NAGANO, A ;
ARIKAWA, E ;
KOBAYASHI, H .
WATER SCIENCE AND TECHNOLOGY, 1992, 26 (3-4) :887-895
[8]   PRACTICAL APPLICATION OF THE ADUF PROCESS TO THE FULL-SCALE TREATMENT OF A MAIZE-PROCESSING EFFLUENT [J].
ROSS, WR ;
BARNARD, JP ;
STROHWALD, NKH ;
GROBLER, CJ ;
SANETRA, J .
WATER SCIENCE AND TECHNOLOGY, 1992, 25 (10) :27-39
[9]   APPLICATION OF THE ADUF PROCESS TO BREWERY EFFLUENT ON A LABORATORY SCALE [J].
STROHWALD, NKH ;
ROSS, WR .
WATER SCIENCE AND TECHNOLOGY, 1992, 25 (10) :95-105