What are the possible ways for controlling the gas emissions from factories?

Can you help me to elaborate some mechanisms to control the gas emissions from factories, and is that possible to liquefy the gas and use as valuable products ( such as fuel sources, oil,........)?

05 June 2018 8,584 8 View

Size of hydrochar/activated hydrochar powder or granular for adsorption?

I am working with adsorption of (1) pollutant gases from synthetic biogas , (2) dyes from water, and (3) ammonium from synthetic water using hydrochar and activated hydrochar. In this, I need to...

04 May 2018 1,538 4 View

What are the two major possible reasons for reduction in salt rejection during biofouling process of RO membranes.?

How?

01 February 2018 2,912 0 View

Wastewater treatment systems in fish ponds include biological treatment of wastewater flowing directly into the pool. ..?

Wastewater treatment systems in fish ponds include biological treatment of wastewater flowing directly into the pool. The treated water could be used for irrigation, but there are public health...

01 February 2018 5,597 0 View

Which one gives better BET surface area?

I need to measure BET surface area of hydrochar powder. But I am sure that which size of particle can I use to get high better BET surface area. (Not the amount of powder but I mean size of the...

31 December 2017 8,244 4 View

What is the importance of nitrogen gas during chemical activation to produce porous materials?

Is that possible to find a porous char if the mixture (of char and chemical agent) are heat-treated in a closed batch reactor with out nitrogen gas flow in?

31 December 2017 2,146 1 View

How to check the quality and monitor the bottled water industry?

Assume you are appointed as the microbiologist expert of NGOs and to aid one country for monitoring system for bottled water. The general aim is to analyze the microbial quality of various brands...

11 December 2017 9,971 5 View

What is the importance of using nitrogen gas flow during chemical activation/ activation of hydrochar? Can you recommend me the flow rate and temp. ?

My sample is powder of hydrochar which is prepared from activated sludge and I want to activate with KOH. So, can you recommend me at what temperature and nitrogen gas flow rate is good for...

10 November 2017 6,938 2 View

What is the importance of nitrogen gas flow during chemical activation for the production of highly microporous carbons?

Hydrochar material can be chemically activated using KOH to synthesis of porous carbon materials. During this, the mixture (of hydrochar and KOH) can be heat-treated between 450 - 800 degree...

10 November 2017 2,078 3 View

Looking a paper: relates to hydrochar which prepared from activated sludge of wastewater treatment plant using hydrothermal carbonization ?

10 November 2017 7,171 1 View

What is the status of bread making and more bakery foods with the use of insect flour/powder?

Insects have been consumed by human diet since prehistoric times. At present, the idea of looking at insects as food has been getting traction worldwide, also in response to increasing food...

03 March 2021 6,223 5 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

How to Study a proton NMR of Graphene prepared by Electrochemical Exfoliation technique?

I performed a Proton NMR of graphene powder prepared by electrochemical exfoliation technique. It shows some peaks. But I can't understand it.

21 February 2021 8,947 3 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

How does a freeze dryer destruct your solid sample?

Several times I lost my sample during freeze drying. There was no solid or powder in the vial after freeze drying. I'm sure sample contained solute because i took its NMR spectrum. I covered the...

15 February 2021 6,749 2 View

Where would? can? positive charge(vacancy) be when grounded?

Hello I plasma(H2N2) treated Al2O3 plate (edge is connected to ground) and wondered if oxygen vacancy migration on the plate can occurs as electrons escape through edge. Or whatever positive...

15 February 2021 8,118 1 View