7 results about "Potassium bicarbonate" patented technology

This invention relates to compositions, particularly aqueous compositions, comprising: (a) guanidine and / or at least one unsubstituted guanidine salt, and (b) one or more carbonate compounds selected from sodium bicarbonate, sodium carbonate, potassium bicarbonate, potassium carbonate, ammonium bicarbonate, and ammonium carbonate. The compositions are characterized in that the weight ratio of component (a) to component (b) is in the range of 1:14 to 54:1, and in each case, the weight ratio is determined based on the content of guanidine and carbonate ions in the entire composition. The invention further relates to industrial products comprising the compositions of the invention, and the use of the compositions for stabilizing aqueous industrial products against microbial invasion.

A method to produce alkali formate includes introducing a catholyte solution to an electrochemical reaction chamber having a cathode, the catholyte solution comprising a mixture of alkali formate and alkali bicarbonate, introducing carbon dioxide into the electrochemical reaction chamber with a cathode, and applying electricity to the membrane to cause formation and output of alkali formate. A method to produce potassium formate, comprising introducing a catholyte solution to electrochemical reaction chamber, the catholyte solution comprising a mixture of potassium formate and potassium bicarbonate, introducing carbon dioxide into the electrochemical reaction chamber, and applying electricity to the membrane to cause formation and output of potassium formate.

This invention discloses a method for preparing a GLP-1R receptor agonist and a method for preparing its intermediates. The method for preparing the GLP-1R receptor agonist and its intermediates comprises a method for preparing a compound of formula I-1, which includes the following steps: in the presence of an inorganic base, a compound of formula I-1-6 and a compound of formula I-1-7 are subjected to a substitution reaction in a solvent to obtain a compound of formula I-1; wherein the inorganic base includes one or more of potassium carbonate, potassium bicarbonate, sodium carbonate, and sodium bicarbonate. This method has the advantages of high yield and low cost in the preparation of GLP-1R receptor agonists and their intermediates, and shows good application prospects.

The present invention discloses a process for the pretreatment of biomass and an application for energy storage based on the synergistic action of a neutral, low-melting-point solvent and potassium bicarbonate, and in particular comprising the following steps: Step 1: Preparation of the neutral, low-melting-point solvent; Step 2: Pretreatment of wheat straw with the solvent obtained in Step 1 to obtain lignin; Step 3: Enzymatic saccharification of the product obtained in Step 2; Step 4: Production of DES-based lignin-carbon materials. This invention uses a neutral DES as the base solvent and potassium bicarbonate (KHCO₃) as a weak base synergist, with wheat straw being used as the primary raw material. The process is characterized by ease of handling, high practicality, and environmental friendliness without pollution.It synergistically optimizes the high value potential of lignin and delivers energy storage materials with high mechanical strength, superior electrochemical performance and excellent safety.

The present invention provides a hair treatment agent that can suppress the decrease in hair strength (firmness, resilience, resistance to breakage, and combability) caused by dyeing and bleaching treatments, while simultaneously suppressing the generation of unpleasant odors in the hair caused by these treatments. [Solution] A hair treatment agent used in mixture with a second agent containing hydrogen peroxide, comprising a carboxylic acid or a salt thereof and an alkaline agent, wherein the carboxylic acid is tartaric acid, the content of the carboxylic acid or salt thereof is 0.001 to 5% by mass, the alkaline agent is at least one selected from the group consisting of ammonia, diethanolamine, and aminomethylpropanol, and further contains a pH buffer, the pH buffer is a carbonate selected from the group consisting of ammonium bicarbonate, ammonium carbonate, sodium bicarbonate, sodium carbonate, potassium bicarbonate, and potassium carbonate, and the pH is 8.5 to 11.5.

The application discloses a kind of preparation method and application of nano confined zirconium phosphate biochar composite material, belong to environmental functional material technical field, its steps are: (1) peanut shell is crushed and mixed with potassium bicarbonate, pyrolysis activation is carried out under protective atmosphere, after washing ash with dilute hydrochloric acid, mesoporous biochar carrier is prepared;(2) zirconium oxychloride octahydrate is configured into precursor solution and is introduced into the carrier, and continuous stirring is carried out to promote zirconium ion to be fully diffused and impregnated in the mesoporous channel inside the carrier, (3) add phosphoric acid solution to carry out in-situ precipitation reaction, after washing, dry and obtain composite material.The application utilizes the channel confined effect of carrier, realizes the uniform dispersion of zirconium phosphate active component in the pore of biochar at nanoscale, effectively solves the problem of nano-particle agglomeration.The obtained material has excellent selective adsorption performance for heavy metals in wastewater, and the application process is simple, raw materials are cheap, and has wide application prospect in the field of heavy metal wastewater treatment.

The present invention provides carbonation methods for treating industrial byproduct streams comprising sodium sulfate with one or more carbonation reagents, including but not limited to (i) potassium bicarbonate and / or potassium carbonate; or (ii) carbon dioxide (CO2) and a potassium salt, thereby producing (i) a solid phase comprising one or more potassium sulfate salts and (ii) a liquid phase comprising carbonic acid salts in solution. The one or more potassium sulfate salts comprise potassium sulfate (K2SO4), glaserite, or other sodium potassium sulfate salts. The carbonic acid salts comprise sodium carbonate (Na2CO3) and / or sodium bicarbonate (NaHCO3). The present invention also provides processes for isolating the aforementioned salts from industrial byproduct streams. The present invention also provides cyclical processes for recovering and recycling reagents for producing the aforementioned salts from the industrial byproduct streams and from product streams containing the aforementioned salts.