The disclosure relates to systems and methods to produce hydrogen (H2) gas from hydrogen sulfide (H2S). H2S is contacted with a catalyst to form H2 gas and sulfur adsorbed to the catalyst. The adsorbed sulfur is contacted with oxygen (O2) gas to convert the adsorbed sulfur to sulfur ...
The thermal production process, which uses steam to produce hydrogen from natural gas or other light hydrocarbons, is most common. Steam reforming of natural gas is currently the least expensive method of producing hydrogen and is used for about half of the world''s production of hydrogen. ...
The economics of biological methods of hydrogen production The costs to produce and utilize hydrogen are extremely high per unit of energy when compared to fossil fuel energy sources such as natural gas or gasoline... Resnick, Richard J. (Richard Jay), 被引量: 3发表: 0年 A Review on ...
根据倒数第二段第一行So, the hydrogen vehicle is out there and the numbers will be growing fairly soon.小题2:推理题。根据they could go into full-scale production of the FCX Clarity by 2020 if the world is prepared for them by then可知they就是指上文提及的the FCX Clarity,故C正确。小题3...
阅读理解. There are two methods by which hydrogen (氢) can be used to power cars. The first way is to use hydrogen to drive the engine, in much the same way as many cars use gas. The second method is to use the reaction of hydrogen with oxygen in a batt
The present invention relates to a process for preparing granular sodium percarbonate. More particularly, while the conventional dry process for granular sodium percarbonate performed in such a manner that hydrogen peroxide solution is s... CW Hong,Kim Yong ll,YH Chang,... - US 被引量: 76发表...
While polycondensation is the cheapest route, it is challenging to produce high molecular weight, solvent-free polylactic acid due to prolonged reaction times and solvent use. Thus, the most common route to address this is through ring-opening polymerization, which involves the conversion of lactide...
to produce the control wood biosorbent. The chemically modified (phosphorylated) biosorbent was prepared by suspending the control biosorbent in water and mixing it with phosphoric acid and urea. The mixture was then dried at 80 °C for 12 h, rinsed with hot water, and left to dry in the ...
Watch what direct PCR is, how it works, and how to get the most out ofa direct PCR kit. GC-rich PCR DNA templates containing high GC content (>65%) can be difficult to amplify because of the stronger hydrogen bonds between G an...
hydrogen from renewable sources. This Primer provides a general overview of the fundamental aspects that influence the hydrogen production potential of the process. Recent research studies and their main findings are highlighted. The current challenges and limitations of the process and ways to optimize...