The combination of a booming cement market in India together with constantly rising energy costs are leading to increased usage of secondary fuels in the cement industry. Tecprosystems Pvt Ltd, India, with the support of MVW Lechtenberg, Germany is now starting the construction of a secondary fuels processing plant in Ajmer in the state of Rajasthan. July-Sep 2007

This study was undertaken to find out the biogas production potential of flower waste coming out from temples. Laboratory scale digesters of 1.5 L capacity were used and fed with flower waste without and with pretreatment.

Solid Recovered Fuel (SRF) is a solid fuel prepared from non hazardous waste, meeting the classification and old fuel and specification requirements of CEN-TS15359. SRF is processed, homogenized and upgraded to a quality that can be traded amongst producers and users. (July-Sep 2007)

Sequential batch reactor (SBR) process is basically a fill-and-draw activated sludge process. Being a very popular technology, SBR was not being frequently used for the treatment of wastewater like activated sludge process (ASP). This paper reviews two case studies, where SBR was used for capacity expansion of existing and ASP was converted to SBR.

Dairy industry generate large amount of white highly turbid liquid waste products which cannot be processed further in the industry and has to be discarded. They contain very high organic matter that may be in dissolved or colloidal form and is thus very high in BOD and total solids.

East Calcutta Wetland (ECW) is an example of wise use of cities solid and liquid waste through integrated resource recovery, mainly for pisciculture, vegetable as well as paddy cultivation and manure production. Amaranthus caudatus, Amaranthus blithum and Spinacia oleracea grown at ECW were analyzed for their accumulation of elements using Energy Dispersive X Ray Fluorescence (EDXRF) and compared to those grown in south eastern parts of West Bengal (Midnapur).

The present study deals with physico-chemical analysis, treatment and utilization of Deoband sugar mill effluent. The effluent is treated with alkaline solution of hexacyanoferrate (III). 2007

The paper discusses some low cost and energy saving technologies for water and wastewater treatment.