P.A. Alphenaar

The effect of liquid upward velocity and hydraulic retention time on granulation in UASB reactors treating wastewater with a high sulphate content

P.A. Alphenaar, André Visser, G. Lettinga · Bioresource Technology · 1993 · 170 citations · Full text

Sewage Sludge Treatment, Engineering, High Sulphate Content +7

Phosphorus requirement in high-rate anaerobic wastewater treatment

P.A. Alphenaar, R. Sleyster, Peter De Reuver et al. · Water Research · 1993 · 71 citations

Engineering, Environmental Engineering, Biological Waste Treatment +6

The influence of substrate transport limitation on porosity and methanogenic activity of anaerobic sludge granules

P.A. Alphenaar, M Prez, G. Lettinga · Applied Microbiology and Biotechnology · 1993 · 63 citations

Methanogenic Activity, Anaerobic Sludge Granules, Engineering +9

Granulation and immobilisation of methanogenic and sulfate-reducing bacteria in high-rate anaerobic reactors

André Visser, P.A. Alphenaar, Yaohuan Gao et al. · Applied Microbiology and Biotechnology · 1993 · 60 citations

High-rate Anaerobic Reactors, Engineering, Biogas +14

Scanning electron microscopical method for internalstructure analysis of anaerobic granular sludge

P.A. Alphenaar, Nico Groeneveld, A.C. van Aelst · Micron · 1994 · 43 citations · Full text

Sewage Sludge Treatment, Engineering, Biogas +10