asteroza + chemical   64

Principles of Dynamic Heterogeneous Catalysis: Surface Resonance and Turnover Frequency Response | ACS Catalysis
If the catalyst oscillates near the chemical reaction resonance frequency, you can break the Sabatier maximum catalyst reaction rate
catalyst  chemical  reaction  rate  mateirals  science  physics  chemistry  research  technology  vibration  oscillation  surface  resonance 
9 weeks ago by asteroza
Making industrial enzymes for high temp/highly acidic environments
artificial  enzyme  high  temperature  acidity  materials  science  biology  research  technology  chemical  industrial  process  manufacturing 
october 2018 by asteroza
Solugen - The Makers of Bioperoxide
Using CRISPR/cas9 enzymes to process biomass into hydrogen peroxide, with a more software like lifecycle to tweaking genes to make the oxidase enzymes
GM  CRISPR  cas9  enzyme  chemical  processing  biomass  peroxide  production  manufacturing  genetic  engineering  biology 
october 2017 by asteroza
IneraTec - Home
Interesting new Gas-to-Liquids conversion system using an innovative microstructured chemical reactor design. Fed by a direct atmospheric CO2 capture unit and an electrolysis unit, it converts CO2 and hydrogen into synfuels
CO2  conversion  GTL  liquid  synthetic  fuel  production  synfuel  syngas  chemical  reactor  Delicious 
november 2016 by asteroza
Influence of Polymer Electronics on Selective Dispersion of Single-Walled Carbon...
New polymer allows dispersing metallic nanotubes, leaving behind only the semiconducting nanotubes. Might be key to increasing production of nanotubes due to ease of separation.
semiconducting  metallic  carbon  nanotube  CNT  SWNT  filter  separation  polymer  chemical  manufacturing  materials  science  research  technology  Delicious 
august 2016 by asteroza
Functionalized olefin cross-coupling to construct carbon–carbon bonds : Nature : Nature Publishing Group
Apparently, using ethanol, silane, and an iron catalyst, they can join functionalized olefins in mild conditions, allowing the much easier synthesis for a whole load of new chemicals at lower cost.
functionalized  olefin  crosscoupling  organic  chemisty  materials  science  research  technology  manufacturing  chemical  synthesis  Delicious 
december 2014 by asteroza
Puralytics :: Product Overview
Currently trialing an artificial lilypad of sorts, that uses a photoreactive catalyst in the fabric mesh to use sunlight to help breakdown chemicals in water.
materials  science  research  technology  photoreactive  catalyst  water  remediation  detoxification  chemical  breakdown  photocatalytic  oxidation  reduction  Delicious 
october 2014 by asteroza
Harvesting Energy from CO2 Emissions - Environmental Science & Technology Letters (ACS Publications)
Requires a terrifyingly large membrane area (over 200 square kilometers for 1MW!), but interesting research.
amine  CO2  monoethanolamine  research  electrode  process  MEA  carbon  chemical  aqueous  porous  capture  power  generator  CCS  electrolyte  Delicious 
july 2013 by asteroza
Research News & Features - WSU Researchers Use Super-high Pressures to Create Super Battery
Okay, but does the new crystal structure stay that way when you take the pressure off the diamond anvils?
XeF2  technology  materials  density  chemical  high  research  xenon  energy  science  storage  difluoride  Delicious 
july 2013 by asteroza
New Coal Technology Harnesses Energy Without Burning, Nears Pilot-Scale Development
Interesting chemical loop method to bypass direct combustion of coal or syngas. Used sealed process to strip iron oxide of oxygen with coal or syngas carbon to produce CO2 and reduced iron oxide, along with any coal dregs. The reduced iron oxide is brought outside of the chemical reactor and exposed to air, which causes it to heat up exothermically as it reacquires oxygen, the heat of which can run a conventional boiler for a steam turbine power generator. Makes CO2 capture much easier, and allows isolation of slag materials for separation/vitrification, rather than sending it up as flue gases. Wonder if this could be paired with the chemical looping desalination processes proposed for high temperature nuclear reactors?
direct  CO2  looping  research  SCL  iron  syngas  CDCL  oxide  chemistry  coal  carbon  chemical  capture  power  CCS  Delicious 
february 2013 by asteroza
Fission-free Fusion Explosion by Chemical First Stage
Physicist seems to have found a way to achieve a fusion/hydrogen bomb with basically no fallout (a bang, x-rays, and gamma rays). Using a boron laced HMX chemical explosive sphere imploding on a liquid deuterium-tritium core, you can theoretically achieve 1000x gain over the conventional explosive (assuming a 30cm sphere yielding a 25 ton explosion. Not big on the atomic bomb scale in terms of gain factor or raw explosive power, but the no fallout part is kinda attractive from certain applications, such as Project Orion or Medusa class space propulsion.
HMX  research  physics  medusa  orion  project  propulsion  space  atomic  hydrogen  nuclear  tritium  deuterium  liquid  doped  laced  boron  stage  first  chemical  bomb  fusion  free  fission  Delicious 
january 2013 by asteroza
SRI Research Identifies Environmentally Friendly Process to Make Coal-Based Liquid Fuel
They found a way to cut capital cost in half versus a FT CTL plant by using LNG/methane as a hydrogen and heat source rather than water/steam, but the $/gallon is higher than a FT CTL plant. I suppose it might make sense in water poor areas that have either coal or LNG access.
CTL  LNG  methane  hydrogen  gasification  process  heat  synthetic  fuel  production  chemical  process  processing  research  petrochemical  liquid  coal  conversion  gasification  Delicious 
december 2011 by asteroza
AFLOWLIB.ORG: a distributed materials properties repository from high-throughput ab-initio calculation
Started By Duke University, a big encyclopedia of chemical combos/materials and their properties, via computational chemistry and sometimes backed by real experimental data. Basically, if you have a need for a material with certain properties, you can look it up here to find a good match, even if it doesn't quite exist yet.
materials  genome  repository  physical  electrical  property  database  chemical  structure  alloy  reference  science  research  technology  thermoelectric  Delicious 
december 2011 by asteroza
Carbon Engineering
Theoretically, the gravity amine scrubber could be paired with a solar updraft tower to get the necessary airflow.
direct  air  carbon  CO2  capture  startup  materials  science  chemical  process  engineering  solvent  wet  scrubber  gravity  amine  adsorbent  Delicious 
october 2011 by asteroza
LinkClick.aspx (application/pdf Object)
A different carbon capture setup, sending slightly pressurized exhaust gas through a supersonic cyclonic separator that freezes the CO2 and water out of the exhaust. Also claims 50% reduction in parasitic load. Basically the same as a twister setup for natural gas cleaning.
ICES  inertial  CO2  extraction  system  Cyclone  cyclonic  supersonic  swirl  twister  separator  chemical  process  manufacturing  industrial  research  carbon  capture  Delicious 
june 2011 by asteroza
2008-ECD-NHA-presentation.pdf (application/pdf Object)
Interesting use of recyclable hydroxides to reform biomass or coal/methane into hydrogen in one step at low temperatures with high hydrogen purity and no CO or CO2 production. Though if you want the CO or CO2, you can heat the resulting carbonate output (recaustication like at paper mills) to recover a relatively pure gas stream and recover the hydroxide for recycling back into the process inputs.
biomass  BFR  base  facilitated  reformer  chemical  production  process  materials  science  research  hydroxide  coal  methane  feedstock  hydrogen  gas  carbonate  filetype:pdf  media:document  Delicious 
june 2011 by asteroza
Stevens Microreactor Senior Design Team Invents Portable Hydrogen Reactor for Fuel Cells | Stevens Institute of Technology
Using plasma TV techniques to create plasma in microchannels to reform methane to hydrogen. Hrm, if that works, I wonder if you could use the SED TV technology for other applications?
hydrogen  gas  production  plasma  micochannel  microreactor  chemical  reactor  gasifier  reformer  research  technology  Delicious 
may 2011 by asteroza
Home - memsys
These guys made a cargo container system, that carries all it needs to do solar thermal seawater desalination, including the solar thermal arrays!
memsys  thermal  membrane  separation  separator  solar  seawater  water  desalination  chemical  processing  technology  materials  science  vacuum  effect  distillation  purification  Delicious 
april 2011 by asteroza
Roving mobile processing plants to produce biofuels
Interesting concept for a compact biomass to liquid biofuel mobile processing plant, to upgrade low yield biomass to more easily transportable/usable biofuel. Still needs an external hydrogen source, so for practical purposes you will dragging along a CNG or LPG tank to supply the hydrogen reformer, unless somebody feels like running a high power electrolysis rig.
H2Bioil  H2CAR  low  yield  biomass  mobile  biofuel  processing  production  hydropyrolysis  chemical  process  reactor  research  snygas  Delicious 
july 2010 by asteroza
Ground-breaking research finds way to convert CO2 into clean-burning biofuel
Interesting methanol sourcing from activated CO2, but how much of a pain is it to make the NHC's and hydrosilane?
activated  CO2  methanol  conversion  organic  catalyst  organocatlyst  NHC  N-heterocyclic  carbene  hydrosilane  materials  science  research  technology  chemical  process  green  energy  Delicious 
april 2009 by asteroza
Consecutive Thermal H2 and Light-Induced O2 Evolution from Water Promoted by a Metal Complex -- Kohl et al. 324 (5923): 74 -- Science
Okay, if this pans out, this could be huge. An artificial photosynthesis engine to produce hydrogen and oxygen, via a ruthenium metal complex. It's not clear if the hydrogen and oxygen liberation steps must be distinct. Could do a vertical torus pressure vessel half filled with cool water and a rotating catalyst bed ring, moving through pressure seals to separate the upper and lower halfs of the torus. Blast a quarter ring of the exposed exposed upper catalyst with hot water/steam to get a mixed steam/H2 stream, then blast the the other exposed quarter with the light to get O2, that by simple condensation of the stream will yield your hydrogen and oxygen. Dip the catalyst ring back into the cool water to regenerate the catalyst. I suppose there might be some chamber partitioning tricks to keep the oxygen and hydrogen separate.
artificial  photosynthesis  electrolysis  gas  separation  hydrogen  oxygen  water  ruthenium  metal  complex  catalyst  materials  science  research  chemical  process  engineering  thermal  H2  O2  evolution  Delicious 
april 2009 by asteroza / UK - Robot achieves scientific first
I thought things like this already existed, at least for pharmaceutical companies. Basically a robot that can test it's experiment results immediately, that does a brute force material/genetic/chemical combination testing regime to try to identify/quantify/catalog every possible combination. It's a kind of basic research that would take forever to do with humans, and is sometimes useful to double check existing data which actually was determined over 100 years ago that nobody has bothered to actually check since and assumes is accurate. Using AI to narrow the search parameters and not do a full brute forcing of every possible combination is in some ways smart, especially for biological/genetic studies where there can be predictive indicators from current experiments to assist in narrowing down which branch of a combinatorial tree is best to follow first.
automated  experiment  chemical  materials  biology  genetic  science  research  innovation  testing  robot  robotics  technology  AI  Delicious 
april 2009 by asteroza

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