E. Langerak

Effects of high calcium concentrations on the development of methanogenic sludge in upflow anaerobic sludge bed (UASB) reactors

G. Lettinga, J. V. Lier, E. Langerak, 1998 .

IMPACT OF LOCATION OF CaCO3 PRECIPITATION ON THE DEVELOPMENT OF INTACT ANAEROBIC SLUDGE

G. Lettinga, E. Langerak, H. Hamelers, 2000 .

Influence of phosphate and iron on the extent of calcium carbonate precipitation during anaerobic digestion

G. Lettinga, E. Langerak, H. Hamelers, 1999 .

Hardware for biological microgravity experiments in Soyuz missions

E. Langerak, H. Willemsen, 2007 .

Influent calcium removal by crystallization reusing anaerobic effluent alkalinity

G. Lettinga, E. Langerak, H. Hamelers, 1997 .

Control of calcium carbonate precipitation in anaerobic reactors

E. Langerak, 1998 .

To shred or to disassemble? Recycling of plastics in mass consumer goods

E. Langerak, E. Langerak, 1997, Proceedings of the 1997 IEEE International Symposium on Electronics and the Environment. ISEE-1997.