Description
Boicides
Summary
Biocides, also called bactericides or antimicrobials, are used in
oil and gas production. Their air is to kill microorganisms,
especially bacteria, or interfere with their activity.
Microorganisms in oilfields or in injection water are generally
classified by their effect. Sulfate-reducing bacteria (SRBs),
denitrifying bacteria (hNRB), slime forming bacteria,
iron-oxidizing bacteria, and miscellaneous organisms such as algae,
sulfide-oxidizing bacteria (NR-SOB), yeas and molds, and protozoa
can be encountered in bodies of water of oilfields to be
treated.
Micro-organisms
Micro-organisms are an important group of living organisms which
take care of decomposition of organic matter. They are heavily
abundant in the entire ecosystem and can easily be adapted to more
severe conditions. Given adequate food sources, for instance,
bacteria are capable of doubling their population in *0 minutes
under many conditions. Thus a single bacterium can become a
thriving colony of millions of bacteria in a few hours. In water
systems, bacteria flourish in the pH range between 5 and 9 in the
temperature range of *5 to **0 degree. Bacteria grow best in fresh
waters, but are capable of growth in brine of concentrations as
high as **0,**0 ppm. This results in the unwanted presence of
micro-organisms in industrial processes and significant
microbiological control costs.
For the purpose of industrial water treatment where open and closed
systems are used, bacteria may best be classified according to
their oxygen requirement. Obligate aerobes grow only in the
presence of molecular oxygen, while obligate anaerobes grows only
in the absence of oxygen in environments of low oxidation/reduction
potentials facultative anaerobes grow either in the presence or
absence of oxygen.
Techinical Specification of biocides
Appearance: Yellow transparent liquid
PH Value: ***0
Content of active ingredient (%): ≥*5
Density (*0degree) (g/cm^3): ≥0.9
Freezing point (degree) : ≥**0
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