Renewables-2017

   Ca(OH)2 solution produced from CaO and water in separate small tanks, gradually intakes in corresponding ponds opened to the air, and capturing its diffused carbon dioxide by the said Ca(OH)2 in form of CaCO3 sediment, gradually extracted from the said ponds and thermally decomposed in CaO recycled and in CO2 as a product of USD 15.0/ton or much cheaper in quantity up to 320 ton annually per each m2 of the ponds area. CO2 concentration is constant of 1.6 gram/m3 at the solution surface under the open air and diffused through the water at D (diffusion coefficient) = 1600 m2/s The system productivity is determined by Ca(OH)2 intake in the pond = Q2(g/s), and by CO2(aq) diffusion through the pond being Q1(g/s) = 1600 m2/s * (1.6 g/m3 /H m) * S m2 = (2560 / H) * S Here H (m) is depth below which CO2 is completely captured, and S (m2) is its surface area. Q2 (g/s) fully react with Q1 = (M=44/M=74) * Q2 = (2560/ H) * S, so Q2 = 2560 * 74/44 * V / (H^2) = 4300 * V / H^2, or Q2 / V...

 https://cursorinfo.co.il/interest/muravi-pobedili-lyudej-v-eksperimentah-izrailskih-uchenyh/ 

Half-green artificial fuel as a step to green energy - edited.  Author: David Judbarovski, systems engineering, principle inventor, retired; Linkedin. judbarovski.blogspot.com. judbarovski@gmail.com. Abstract Offered fuel and technology of its production domestically and distribute, and zero-carbon, are in order of magnitude cheaper than present tariffs.  Such fuel will allow  (1) to reach energy independency;   (2) being sold a little cheaper than present prices, allow avoid economic shocks and  fill  a state budget and fund of breeding investment down to free Capex;  (3)  to use a present fuels' infrastructure ;  (4)  defense in war time and against terrorists; (5)  integration of renewable energy in national grid, even if all primary energy is 100% renewable one.   Short disclosure   (1) CO + 2H2 = CH2 + H2O +236 kJ.; CH2 = 18 * 28 + 145 * 4 - 236,000 * 0.25 * 0.065 / 3.6 = 504 + 580  -  10...

 Dear Dr. Martin Heller,  President and Laboratory  Director.! Dear Ladies and gentlemen !  (nrel.gov/aries/contact.html) Author: David Judbarovski, systems engineering, principle inventor, retired; Linkedin. judbarovski.blogspot.com. judbarovski@gmail.com. Abstract.   Artificial fuels to be competitible, wind and solar generators of primary energy had been designed by me to be enough thin, but strong, and now they reach about US cents 0.5 /kWh a little less or more. It allows H2 by USD 100 - 200 / MT by different chemistry, CO down to USD 17.0, CO2 from the air by special invented technology down to less than USD 5 - 10 /MT. All those allow incredible cheap basic carbon based fuels, e. g. hydrocarbons  -  CH2, practically free. Just bellow  I illustrate all them.   Short disclosure   (1) CO + 2H2 = CH2 + H2O +236 kJ.; CH2 = 18 * 28 + 145 * 4 - 236,000 * 0.004 / 3.6 = 504 + 580  - 655 = USD 430  and 430 /14 ...

 About 87% energy effective CO2 reduction to CO via formic acid.   Author: David Judbarovski. systems engineering, principle inventor, retired; linkedin.com .  judbsrovski.blogspot.com. Abstract.  (a) H2O = H2 + 0.5 O2 - 286 kJ / 0.90= 320 kJ;  (b) CO2 + H2 = CO2H2 + 32 kJ;  (c) CO2H2 = CO + H2O - 29 kJ; and totally  320 +  32  -29  = 324 kJ vs.- 283 kJ if  CO2 = CO  + 0.5 O2.  So my technology is 283 / 324 = 87 % energy effective.

  Advanced fuel and its recycling. Half-green variant. Edited. Author: David Judbarovski, systems engineering, principle inventor, retired. Linkedin.   judbarovski.blogspot.com . Abstract. MgH2 + 2 H2O = Mg(OH)2 + 2 H2- 278 kJ; 278 * 0.03 (energy efficiency) = 90 kJ electricity; 2 H2 = PEM electrolysis = 640 kJ, and totally 90 + 640 = 730 kJ electricity = 7900  kwh/MT MgH2. Recycling. Mg(OH)2 = MgO + H2O -38 kJ; MgO + CO = Mg + CO2 ( used in cycle) -318 kJ. 0.5 C + 0.5 CO2 = CO -86 kJ; Mg + H2 = MgH2 +75 kJ; CO + H2O = H2 + CO2 -3 kJ, and totally 370 kJ = 3950 kwh/MT MgH2 + 0.5 mol coal consume and 1.5 mol CO2 exhaust per mol MgH2. It allows to solve now unsolvable problem of integration huge renewable energy in national grids for energy production of any designed schedule, practically without loses during delivery and for war time and against terrorists attack. For example. for gigantic USA economics, it can be introduced without any problems to integrate it in national ...