We are working on a robot that cleans solar panels using fresh water supply and a rotating brush. We are trying to conserve as much water at possible by recycling the dirty water that is collected from the cleaning to use it again on the panels.
Hurdle: All the filtration systems are just too heavy, big and energy demanding to be mounted on a robot (needs to be approx 25 kg max) which can clean 2500-5000TDS and 300-500NTU water into
Raza Abbas Reusing the dirty water which can be cleaned from the solar pannels needs some attention and filtration and yes there are several filtration methods available and I can comment about the filtering ....................
That for the filtering runoff water from dirty solar panels for reuse, consider the following methods:
1. Sedimentation: Allow particles to settle, then remove and dispose of the sediment.
2. Coarse filtration (e.g., 100-200 μm): Remove larger particles and debris using a mesh or cartridge filter.
3. Activated Carbon Filtration: Remove organic compounds, chlorine, and improve taste and odor.
4. Reverse Osmosis (RO) or Nanofiltration (NF): Effective for removing dissolved solids, bacteria, viruses, and other microorganisms.
5. Ultraviolet (UV) Light Disinfection: Inactivate bacteria, viruses, and other microorganisms.
Robotics technology is better for solar panel cleaning to produce automatic and semi-automatic robots specifically designed for solar panel cleaning. It provides portable semi-automatic robots for panels installed on places such as carports, greenhouses, and shed roofs. And it offers fixed roof robots for large installations in dusty environments that require regular cleaning.
Coating on solar panel of nano particles-solar panel coating to prevent dirt from accumulating in harsh environments. In India, PV panel efficiency is affected by a combination of high temperatures, high humidity, and high pollution.
However manual cleaning also can be done The water generation for cleaning is not more water it can be cleaned many ways, e.g. RO, activated carbon filtration etc.
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