deletions | additions       diff --git a/section_Experimental_subsection_Materials_The__.tex b/section_Experimental_subsection_Materials_The__.tex  index fc110ab..2b8a216 100644  --- a/section_Experimental_subsection_Materials_The__.tex  +++ b/section_Experimental_subsection_Materials_The__.tex 
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  Well aerated compost, 2 months old, derived from a commercially operated composting plant  of municipal solid waste, and was used as inoculum. Glass, stones or metal particles were removed  after which the compost was sieved through a screen of about 8 - 10 mm to obtain a homogenous homogeneous  inoculum of sufficient porosity, which didn’t did not  have to be improved due to the presence of small wood particles, The pH of the compost was verified at the beginning and at the end using an Oakton  Acorn pH 6 meter, reporting a pH of 7.80 and 7.15 respectively.   
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even air supply to composting reactor and the output CO$ _{2} $ from the reactor, the net CO$ _{2} $ emitted by  the composting itself is the result of output minus the input. There are several bioreactors designs,  depending of the CO$ _{2} $ measuring method and this one is simple and accurate with over 15,000  measurements per day acquired thru through  Labview software into data files. [3, 7,8,9,13]