White is the color of purity, Blue stand for the patriotism and loyalty of the Texan people, While Red represents the bravery of the people who had lost their blood for the state. The colors employed for the flag of Texas are immensely symbolic and also express the allegiance of the state to the nation.
Total Kjeldahl Nitrogen (TKN) is the U.S. EPA-approved parameter used to measure organic nitrogen and ammonia. The TKN content of influent municipal wastewater is typically between 35 and 60 mg/L. Organic nitrogen compounds in wastewater undergo microbial conversion to NH3 and ammonium ion NH+ 4. Ammonium ion is the first inorganic nitrogen species produced during biological wastewater treatment.
Total Base Number (TBN) is the measure of a lubricantâs reserve alkalinity, which aids in the control of acids. formed during the combustion process. TBN can also be used as a measure of lubricant degradation in. service.1 Motor oils that have a high TBN and demonstrate good TBN retention are known to effectively.