1. To accommodate it on the upflow tube we've had to trim off another inch or so of piping with the hacksaw.

2. Two methods to start-up the upflow anaerobic sludge blanket bed (UASB) reactor were investigated.

3. A pilot-scale study was conducted on the upflow anaerobic sludge blanket(UASB) and anaerobic baffled reactor(ABR) treatment of printing and dyeing wastewater which was difficult to degrade.

4. The action of effluent recycle on an upflow anaerobic filter is very complex.

4. try its best to gather and make good sentences.

5. Then this paper analyzes the operational characteristics of upflow filter and draws a conclusion that the flush process will affect filtered water quality.

6. Upflow Biologic Aerated Filter(UBAF)was used for advanced treatment of alkali straw pulp intermediate wastewater, which had been treated by activated sludge way.

7. The successful operation of an Upflow Anaerobic Sludge Bianket(UASB) reactor depends on the granulation of anaerobic sludge.

8. The sludge characteristics in a full-scale upflow anaerobic sludge blanket(UASB) reactor treating avermectin wastewater are investigated in the process of sludge granulation without carrier.

9. The kinetics of nitrification biofilm in upflow and pure oxygen has been studied.

10. Both results of the experiment and simulation show upflow rough filtration holds the characteristics of simple operation, easy maintenance and stable performance.

11. The filtration performance of upflow fiber bundle bed was conducted with suspended particles of different sizes.

12. An Upflow Anerobic Sludge Blanket(UASB)is adopted in lab to treat starch wastewater collected from a cassava starch factory in Nanning.

13. The paper presents the structure principle of anaerobic upflow filler. and makes a summary for its technical de sign and design parameter.

14. A computer-aided simulation used to observe the influence of changing filtration parameter on upflow rough filtration is necessary because of the long term of operation cycle.

15. The optimal designs of horizontal sedimentation tanks and plated upflow sedimentation tanks are made when sedimentation data is provided or not.

16. The effect of supplying trace metals of Fe, Co, Ni on the performance of lab scale upflow Anaerobic Filter(AF) treating simulated coking plant wastewater was studied in this paper.

17. Based on numerous test data, the influences of filter bed composition on the effect of direct filtration of raw water using an upflow polystyrene filter were discussed.

18. The development, technical principle, equipment structural characteristics and application cases of the technology of settling separation in narrow tilting upflow are described in a whole - sided way.

19. This paper presents preliminary results from studies comparing the two direction flow anaerobic filter with the traditional upflow anaerobic filter.

20. The primary treatment of the paper mill black liquor and furol after neutralizing treatment by the upflow anaerobic digester is introduced in this paper.

21. A catalytic process for preparing a monoalkylene glycol from a corresponding alkylene oxide utilizing an ion exchange resin and a reactor in which an upflow process is used is provided.