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Utilities are looking for the holy grail: reliable baseload electricity derived from a sustainable, low carbon source and available around the clock, whatever the weather. Biomass, despite the rapid growth in its use, is still not ticking all of these boxes. It has also recently received bad press from environmental and scientific agencies as they question whether it reduces greenhouse gas emissions compared with fossil fuels. An efficient Zorays Biogas Plant based on Multi-Fermenters and Single Digester using Wet Fermentation technique for separate Biomasses is designed, constructed and operated at Pakistan Council for Renewable Energy Technologies. Patent Accepted: Biogas Plant based on Multi-Fermenters and Single Digester

Zorays Biogas Theory:

Wet fermentation is considered to be suitable for waste sludge processing of vegetable and animal origin; in the operation of wastewater treatment plants. The fundamental and applied fundamental theory bases its operation on anaerobic digestion microorganism which helps to digestate in to Methane Gas and liquid component after separation – fugate/Bio-Fertilizer.

Zorays Biogas Idea:

This Multi-fermenters and Single Digester Biogas Plant utilizez input biomasses of waste of  agriculture and municipal waste. Fermenting various types of Biomasses collectively in one fermenter/ digester causes wastage of unutilized Biomasses upto 1/3 of total, which leaves the Digester with out fermentation and digestion with out complete conversion into Zorays Biogas. The idea of multi fermentation for achieving maximum Biogas is used to ferment various types of Biomasses in separate fermenters. As every type of Biomass takes its specific time in days  for fermentation, therefore separate fermentation arrangement for individual fermentation enables independent fermentation.

To the honor, Mr. Khalid Islam, Chief Consultant Zorays Solar, holds the patent with Intellectual Proprietary Organization on this technology.

Zorays Biogas Functionality:

Keeping in view record of duration of each Biomass, nearly fermentation Biomass is poured in to a common Digester one day or so earlier to its complete fermentation. In the common Digester various nearly fermentation Biomasses start  producing Biogas just after one day or so, respectively. In this way all the Biomasses are completely  converted collectively  in to use full Zorays Biogas and Bio Fertilizer coming out from the Digester is best quality fertilizer with out any unutilized, unfermented and undigested contents. Thus this Multi-fermenters and Single Digester gives excellent efficiency.

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