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 ...

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, ...

Brazilian independent power generator Epasa faced significant environmental and operational challenges with heavy fuel oil sludge. Through innovative engineering and problem-solving, the company ...

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 ...