A thermochemical process can convert lipids from sewage sludge into biodiesel, according to a new study (Environ. Sci. Technol., DOI: 10.1021/es3019435). The low cost and high yield of the sludge ...

Journal (Water Pollution Control Federation), Vol. 51, No. 4 (Apr., 1979), pp. 815-833 (19 pages) Strategies that are proposed for control of the activated sludge process usually are designed to ...

Understanding the microbial ecology of a system requires that the observed population dynamics can be linked to their metabolic functions. However, functional characterization is laborious and the ...

Sludge, a byproduct of sewage treatment, is often spread on fields as fertilizer. But growing research shows that toxic chemicals like PFAS are lurking in the muck — and getting into our food. Sludge, ...

We recently covered a startup, Ostara, that turns sludge liquid into high-quality commercial fertilizer. Now Victoria University of Wellington in New Zealand wants to do Ostara one better with Wetox, ...

An advanced membrane-chamber filter press improved material recovery and operating efficiency while lowering operating costs ...

In order to maintain optimum operating conditions in a FGD wet scrubber, a purge stream is discharged from the system to control the absorber equilibrium chloride concentration and acid insoluble ...

New Delhi: After successfully experimenting with treating sludge at the Kondli sewage treatment plant two years ago, Delhi Jal Board hasn’t adopted the technology at the remaining STPs. There was no ...