Composting
Composting as a naturally occurring process is as old as time itself, yet it remains one of the most challenging areas of biological conversion technology. The sheer number of variables that compost makers have to manage in order to achieve a specific end result is daunting to say the least. Composting is all about a carefully calculated recipe that optimizes raw material composition through the incorporation of technology that aligns specific biological niches with various environmental parameters in such a manner that microbial conversion can proceed in a predictable and dependable manner...
Read MoreBokashi – An ancient concept with a modern twist.
Article by Piet Kruger I was recently contacted by Rupert Van Der Merwe, owner of a business producing and selling a range of EM based products. One of the ranges that the business manufactures is Bokashi bran that is used in Bokashi fermentation. It would come as no surprise to hear me confess that I have always had a thing for strange and exotic biological conversion processes, and consequently my fascination with the Bokashi process started many years ago. When Rupert explained what their business was all about, I thought it to be just the excuse I needed to write a short article about...
Read MoreMortality Compost And Sourdough Bread
In the words of my mentor, “You cannot make compost until you can bake bread”. The complexity of a composting process, the value of a balanced recipe and the importance of proper homogenization of raw materials can best be understood when compared to baking a loaf of sourdough bread. To make sourdough bread, one would need flour, lard, sugar, salt, water, and yeast. In addition to the ingredients, you also need a number of implements such as a mixing bowl, measuring cup, scale, wooden spoon, table, bread pan and obviously an oven. To knead the dough properly, you need a food...
Read MoreWhich Composting System Do I Prefer?
Which Composting System Do I Prefer? Article by Piet Kruger of Convertech Biological Conversion Technology “Which Composting System Do I Prefer?” is one of the most frequently asked questions that I encounter when dealing with organic waste management alternatives. Potential clients tend to look at composting from a different perspective than compost makers, and often are somewhat taken aback when presented with the intricacies and technical requirements of establishing and managing a compost facility. I find that more often that not the client’s expectations tend to lean towards a...
Read MoreMortality Composting and Pathogen Reduction
The traditional approach to mortality composting does not provide acceptable pathogen reduction capabilities when dealing with Specific Risk Material Composting by its very nature is not a very homogenous process and for this reason composting of Specific Risk Materials does not offer a truly reliable method of pathogen destruction. Multiple mechanisms are known to be involved in the inactivation of pathogens during composting. These methods may include exposure to heat, microbial antagonism, antibiotic production, parasitism, organic acid and ammonia production,competition for nutrients and...
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