Global energy demand: by region and through 2050?
…In turn, this suggests energy demand growth through 2050 will be somewhat front loaded. 0.9% is from rising useful energy demand per person. But these are not aggressive numbers. Small…
Albedo of different landscapes: a challenge for reforestation?
…and internet sources. The albedo impact of reforestation seems numerically very small. There is even an intriguing link where forests can increase the formation of clouds, which have the highest…
Hillcrest: ZVS inverter breakthrough?
…dial up the switching frequency to the max? Switches incur a small power loss every time they switch on and switch off. The reason is that when the switch is…
Membrane Technology and Research: CCS breakthrough?
…high permeability, reaching 2,000-3,000 GPU in Gen 2-3 designs. A small pilot test has been conducted at NCCC, in Barberton OH, in 2016, recirculating gas to a boiler operating on…
Blue ammonia projects: a screen?
…past projects, going back to 1982, have produced blue-ish or blue-grey ammonia. However, the average of these projects is small (0.3MTpa) and only captures c50% of the CO2 released from…
Blue steel: construction boom?
…This is 6% of the world’s steel output (which seems like a small amount, but for comparison, it represents about 5x more production than the world’s entire global supply of…
Energy transition: investment strategies?
…equity risk premium, and c5-10% for smaller/private companies? Our perspective is that there is great enthusiasm to invest in the energy transition. This means credit/equity risk premia for some of…
Nature based solutions to climate change?
…photosynthesis fixes 700GTpa of CO2, compared to anthropogenic CO2 emissions of 50GTpa, so small changes in the natural carbon cycle can have large impacts. (2) What are CO2 removals? Land…
Purified terephthalic acid: PTA production costs?
…liquid). Separating out the PTA uses a crystallizer, steam heating and pumps/blowers to drive off the liquid. Acetic acid is used as a solvent and small portions are consumed (not…
Acetylene: production costs?
…highly variable, with different commentators reaching starkly different numbers. One reason is that many integrated petrochemical facilities produce their own acetylene on site, and only a small share of production…