Aquasust MBBR06 Introduction:
Size:Φ16*10mm
Hole Numbers:06
Material: 100% White Virgin HDPE
Weight:120KG/CBM
Densilty:0.96-0.98g/cm 3
Surface Area:>800m 2 /m 3
Porosity:>85%
Dosing Ratio:15-65%
Membrane-Forming Time:3-15days
Nitrification Efficiency :400-1200gNH 4 N/M 3 .d
BOD 5 Efficiency:2000-10000g BOD 5 /M 3 .d
COD 5 Efficiency:2000-15000 gCOD 5 /M 3 .d
Applicable Temperature:5-60℃
Life-Span:>15year
Moving Bed Biofilm Reactor (MBBR) FOR FISH POND
The aquaculture manufacturing needs land or sea space, and a water excellent personalized for the aquatic animals (Frid et al., 2012). The aquaculture can be performed in specific methods relying on the qualification of water- and area resources. For example, the farming can take vicinity offshore in cages the place the herbal water interchanges (FAO, 2012). However, the principal hassle with aquaculture in cages is the launch of organic- and ammonia compounds that contributes to eutrophication. Also, contaminations of illnesses and genetics to wild fish species have come to be a trouble due to the fact the device is now not closed or managed (Godfray et al., 2010). Technologies want to carry high-density options seeing that the meals manufacturing competes with different human things to do for power resources, land- and sea space.One type of aquaculture is the land based totally synthetic rearing gadgets descried by means of FAO's definition handbook, which permits a extra managed system. The water in the synthetic devices can be exchanged in small amounts, such as ponds and tanks, and the structures are thereby referred to as recirculating systems. If the water is exchanged in greater quantities the structures are known as raceways. However, the much less quantity of water that is exchanged, the greater is the demand of water remedy strategies inside the device that maintain the water pleasant for the cultivated animals. On the different hand, this offers the blessings of controlling the water pleasant in the device and additionally the launched water excellent to recipients. Recirculating Aquaculture Systems (RASs) are a cultivating approach developing in the aquaculture sector. RAS offers probability to high-density cultivation and waterquality manipulate on land. The gadget filters and treats the water earlier than recycling lower back to the tanks the place the fish is farmed. This needs water cure methods that allow each organic, inorganic, and organic water fantastic control. Since the machine incorporates residing animals it is of most significance to preserve the water excellent at tiers suitable for the farmed animals. The essential worries in water excellent are complete suspended solids (TSS) and turbidity of the water that can nourish the micro organism and have an effect on the fitness of the farmed animals. Bacteria depend and biofilm increase in the rearing tanks are parameters that point out the micro organism quantity and institution inside the system. Also, distinctive nitrogen compounds are in exclusive varieties poisonous to the farmed animals and want to be saved at suited levels.
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How does MBBR fish pond work?
RASs are land-based fish farming systems where the main outlet of the water flow is treated and recirculates for reuse into the rearing tanks where the farmed animals grow. The system is almost closed, resulting in minimized water consumption that reduces the requirement of location and the environmental impact. Also, the low water consumption enables control within the system such as nutrient cycle, hygiene, and biology. (Martins et al., 2010)
For fish farming in RAS the key components are: rearing tanks, particle removal, nitrogen removal, and disinfection, Figure 1. The rearing tanks keep the fish for growth, which demands water exchange, oxygen rich water, and a feeding regime. The particle removal separates the main particle content from the water, which mostly consists of fish feces and uneaten feed. The nitrogen removal-compartment treats mainly ammonium, which rises from degradation of nitrogenous organic matter and fish metabolism. The disinfection enables control of the diverse microflora which is a result of the nutrient rich water. The make-up water is new water from a water source, which flushes out nitrogenous end products and also makes up for water losses such as evaporation. (M. B. Timmons) |
1.MBBR-SBR SLUDGE PROCESS
2. ANAEROBIC-ANOXIC-OXIC PROCESS
3.OXIDATION DITCH-MBBR PROCESS
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