Sludge or waste activated sludge (WAS) generated from wastewater treatment plants may
be considered a nuisance. It is a key source for secondary environmental contamination on …

Utilization of waste sludge as a renewable resource for energy recovery is the appropriate
solution of how to manage the continuously increasing waste sludge generation effectively …

Oil cakes have been in use for feed applications to poultry, fish and swine industry. Being
rich in protein, some of these have also been considered ideal for food supplementation …

Wastewater originating from various industries is a major global environmental issue. The
conventional methods utilized for the removal of HM are observed as inappropriate when …

Wastewater treatment plants often face the problems of sludge settling mainly due to sludge
bulking. Generally, synthetic organic polymer and/or inorganic coagulants (ferric chloride …

Bacillus thuringiensis (Bt) has been extensively used for four decades in biopesticidal
formulations due to its safe environmental and human health records. The widespread use …

Recovery of bioenergy and biochemicals from wastewater has attracted growing and
widespread interests. In this respect, two-stage bioconversion process (TSBP) offers an …

Biosolids (BS) are organic dry matter produced from wastewater treatment plants (WWTPs).
The current yearly worldwide production of BS is estimated to be around 100–125 million …

In food processing industries that generate voluminous by-products and wastes, valorization
can help offset growing environmental problems and facilitate the sustainable use of …

The long residual action and toxicity of the chemical insecticides have brought about serious
environmental problems such as the emergence and spread of insecticide resistance in …