Technology and Services
Rejuvenation and Restoration for the City Lake/Ponds, following multipronged activities will be incorporated to reclamation the polluted Lake/ponds/Nallahs and rivers.
1) Bioremediation with beneficial Bacteria and Microorganisms by decomposing deposited sludge
- Reduction in COD/BOD levels
- Reduction in sludge yield and accumulation
- Reduction in foaming improving facility treatment capacity
- Removal of odor generation
- Improvement in floc formation and settling characteristics
- Improvement of FOG removal
- Removal of nutrients
Sufficient quantity of beneficial bacteria and other useful microorganisms will be introduced to reduce huge amount of organic load that is deposited in the lake/pond and improve its water quality for restoring the lake ecosystem.
The sludge reducing bacteria provide effective treatment at low cost in comparison to physical sludge removal. The treatment with bacteria significantly reduces accumulated sludge, minimizes odor, and improves Lake Quality. The treatment has been found to be highly effective in several industrial wastewaters. Following are the major benefits of the sludge digester (Bacteria).
2) Micro bubble Aeration of lake/ponds water
To oxygenate the lake water which is generally anoxic or has poor oxygen concentration, reduce BOD level, optimize nutrient load of nitrogen, phosphorus, and other elements in the whole lake column for proper growth of primary producers by improving the water quality, lake aeration will be done through aeration discs fixed at bottom covering the whole lake area connected with compressors.
3) Biomanipulation to Maintain the food chain Spectrum
The integrity of the lake ecosystem depends on the food chains present in the lake. Pond/ Lake hardly has any useful biological life. To develop a balanced ecosystem in lake/Ponds with ecological resilience, environment friendly biological life will be developed at the different trophic levels through Biomanipulation. The technical intervention will be done in such a manner that the population of the undesirable fish species (weed fishes) is reduced. The lake will be stocked with eco-friendly fishes/organisms (beneficial zooplankton, phytoplanktivorous fishes, weed eating fishes and insectivorous fishes) as per requirement. Also aquatic weeds present in the lake will be controlled through different deweeding methods and collected macrophytic vegetation will be used to produce biogas (CNG) and biofertilizer.
4) Catalytic Oxidation of Polluted Nallah water to be used in lake by Hydrobiox system by the Collection of drain trash
To reduce the trash and organic load coming from the urban runoff in the lake due to anthropogenic activities, hydrobiox technology will be used so that the undesired materials don't find entry into the lake.
5) Ozonation of Lake/ponds
The benefits of ozonation are as follows:
- Ozone dissolves into water 13 times faster than O2
- Kills viruses, bacteria, molds, spores, and cysts up to 3000 times faster than chlorine
- Oxidizes Nitrite to Nitrate
- Oxidizes organic nutrients, chlorohydrocarbons
- Precipitates iron, manganese, and heavy metals from water
- Produces increased water clarity
- Has been shown to affect soil absorption rates of salts and other compounds
In lakes which have very high organic matter, the aeration with oxygen has to be supplemented with ozone in permissible limit for effective restoration of the water quality of the lake. As Lake /ponds is highly polluted, oxygen in water column is almost absent, nutrient concentrations are very high due to inflow of sewage, organic matter is also very high, aeration is to be supplemented with ozonation.
6) Removal of Water Hyacinth & unwanted weeds
Water Hyacinth is considered one of the most noxious invasive aquatic weed. This plant is a floating aquatic perennial, with distinctive bladder-like swollen leaf petioles giving buoyancy. It has shiny rounded leaves with thick masses of feathery dark roots which can reach 2.5 m in length. It proliferates rapidly in lakes, dams and irrigation channels and chokes them.
Deweeding of water hyacinth will be practiced with biological, mechanical/ manual measures. The most common practice is trying manual methods but regeneration being faster than removal; lakes sooner than later get covered with water hyacinth. In recent years, harvesters are used for cleaning lake. The harvester vehicle is equipped with harvesting equipment.
7) Biomethanation Production(CNG)
BIOGAS & MANURE GENERATION FROM WATER HYACINTH BY ANAEROBIC BIOMETHANATION PROCESS. The HYDROMETHANATION Process consists of
- Reception and storing of press mud
- Mechanical agitation for slurry preparation
- Anaerobic Digestion / Gas holding
- Biogas generation
- De-watering of slurry to produce organic fertilizer
The Salient Features of Hydro methanation Process:
- Digester / Bioreactors are specially designed tanks.
- The Hydromethanation process takes place in closed vessels, thereby avoiding odour nuisance or leakage of biogas into the atmosphere.
- The Hydromethanation process produces both energy and organic fertilizer. Biogas produced by generators will be used preferentially to supply the Biogas requirements of the plant. The surface area required for a Hydromethanation plants only 20% of that required for an aerobic composting installation.
- The high quality biogas of the Hydromethanation process is converted into power in a power plant by the gas engine generator. Thus the Hydromethanation plant produces plenty of excess power for sale.
- The quality of Hydromethanation humus is very high. In the Hydromethanation process all disease-producing micro-organisms are liminated. The maturity is Grade IV or better according to the German classification. The organic matter content is 30-40%. Humus does not contain easily mineralizable carbon or pathogenic bacteria.
- Anaerobic digestion by the Hydromethanation process requires only 15-20 days as compared to a minimum of few months required for aerobic methods. In the Hydromethanation process, sewage can be conveniently and economically co-digested with solid waste.
8) Laboratory for Water Quality Monitoring
The continuous monitoring of the water quality including the physiochemical features, bacterial load, gases etc. will be very important for the management of the lake. A well equipped laboratory will be established to cater the analytical requirement of the water quality monitoring. The samples for the water quality analysis will analysed in the laboratory on daily and weekly basis as per requirement. The Laboratory will be equipped with necessary equipment like water quality analysers, laminar flow, BOD, COD analyser, H.P.L.C. etc.
9) Fisheries Development
Biodiversity development including fisheries for the balanced ecosystem of the lake will be one of the strategies for conservation of the lake. This will include development of the environmental friendly fish species and other useful aquatic life. The effort will also be made to stock Dolphin in the lake after its restoration.
Randhawa Brothers Enterprise
peqtl123@gmail.com
© Copyright 2020. All Rights Reserved.