Method for preparing cow dung/coal gangue compound biomass fuels
A biomass fuel and coal gangue technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of infectious diseases, low utilization rate, environmental pollution, etc., and achieve high calcination temperature, full utilization, and fast combustion Effect
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example 1
[0020] Take 1kg of fresh cow dung and put it into a pulverizer to pulverize it, sieve it to get 30 mesh cow dung particles, then dry the obtained cow dung particles naturally, when the water content is 10%, put it into a container, pour it into With a hydrochloric acid solution with a mass fraction of 60%, submerge the particles by 2cm, stir evenly, then move the container to an ultrasonic oscillator for oscillation, set the frequency to 15KHz, and oscillate for 30min; Put it into an oven, set the temperature at 60°C, keep the temperature for 1h, then take out the filtrate, mix it with calcium hydroxide at a mass ratio of 4:1, put the mixture into a container, and add 500mL of 30% hydrogen peroxide solution, use hydrogen to discharge the air in the container, then heat the container, set the temperature to 80°C, keep the temperature for 5h, then cool to room temperature, filter and collect the filtrate, and set aside; take 800g coal gangue, use Rinse its surface with water, th...
example 2
[0023]Take 3kg of fresh cow dung and put it into a pulverizer to pulverize it, sieve it to get 50 mesh cow dung particles, then dry the obtained cow dung particles naturally, when the water content is 15%, put it into a container, pour it into Hydrochloric acid solution with a mass fraction of 60%, submerge the particles for 5cm, stir evenly, then move the container to an ultrasonic oscillator for oscillation, set the frequency to 20KHz, and oscillate for 50min; Put it into an oven, set the temperature at 80°C, keep the temperature for 3 hours, then take out the filtrate, mix it with calcium hydroxide at a mass ratio of 4:1, put the mixture into a container, and add 900mL of 30% hydrogen peroxide solution, use hydrogen to discharge the air in the container, then heat the container, set the temperature to 90°C, keep the temperature for 10h, then cool to room temperature, filter and collect the filtrate, and set aside; take 1200g coal gangue, use Rinse its surface with water, th...
example 3
[0026] Take 2kg of fresh cow dung and put it into a pulverizer to pulverize it, sieve it to get 40 mesh cow dung particles, then dry the obtained cow dung particles naturally, when the water content is 12%, put it into a container, pour it into With a hydrochloric acid solution with a mass fraction of 60%, submerge the particles for 3cm, stir evenly, then move the container to an ultrasonic oscillator for oscillation, set the frequency to 18KHz, and oscillate for 40min; Put it into an oven, set the temperature at 70°C, keep the temperature for 2h, then take out the filtrate, mix it with calcium hydroxide at a mass ratio of 4:1, put the mixture into a container, and add 700mL of 30% hydrogen peroxide solution, use hydrogen to discharge the air in the container, then heat the container, set the temperature to 85°C, keep the temperature for 8h, then cool to room temperature, filter and collect the filtrate, and set aside; take 1000g coal gangue, use Rinse its surface with water, ...
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