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RENEWABLE AND NON- RENEWABLE ENERGIES BIOMASS mundo-energias-renovables…
RENEWABLE AND NON- RENEWABLE ENERGIES BIOMASS
: :
ENERGY
:
ability to cause a change in matter
Energy sources
:
biggest source of energy is a sun
primary sources
:check: coal
:check: wood
:check: wind
:check: water
secondary sources
:check: food
:check: electricity
BIOMASS
biomass
is the organic animal and plant matter used for energy:
:check:renewable
:check:living matter
:check:produces combustion
any type of biomass comes from the reaction of plant photosynthesis that takes advantage of the energy of the sun
TYPES OF BIOMASS
1.
Energy crops: such as corn and sugarcane used to obtain bioethanol
2.
Waste: from agricultural and livestock activities
BIOMASS CYCLE
RENEWABLE ENERGY
ENERGY SOURCES
NON-RENEWABLE:
found in nature in limited quantity, these cannot be substituted
.
limited
RENEWABLE:
inexhaustible natural sources for their large amount of energy and are capable of regeneration. unlimited*
NON-RENEWABLE ENERGY
BIOMASS TO BIOGAS
BIODIGESTER
they are simple machines that convert
raw materials
into usable by-products
Parameters for a biodigester:
:check: longer retention time, higher methane content.
:check:low fermentation temperatures, high percentage of methane = less gas
:check:pH approx. 7
HOW DOES IT WORK
compounds:
complex organic: proteins, carbohydrates and lipids.
Simple organic: sugars, amino acids, peptides.
Long chain fatty acids: propionic, butyric (volatile) alcohols.
TYPES OF BIODIGESTORS
:check: discontinuous
:check: semi-continuous
:check: continuous
BIOGAS PRODUCTION
Biogasification can be designated as a methane fermentation, which consists of the destruction of lean gas by microbial fermentation in anaerobic digestion.
:check:
Hydrolysis:
fermentation bacteria.
:check:
Acidification:
acetogenic bacteria.
:check:
Formation of methane:
methanogenic bacteria.
FACTORS INFLUENCING ANAEROBIC DIGESTION
:check:temperature
:check: carbon / nitrogen ratio
:check: pH control
:check: suitable bacteria system
:check: inhibition
