01 January 2018 1 2K Report

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?

More Yonas Zeslase Belete's questions See All
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 8,654 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 1,604 4 View

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

How?

01 February 2018 2,985 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 5,663 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 8,313 4 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 10,044 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 7,006 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 2,183 3 View

What is the difference between FTIR and FTIR-ATR, and which one is better to test for powder samples, why?

I have used the FTIR-ATR but I want to be sure that what will be using FTIR. ......

10 November 2017 923 6 View

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

A Hydrochar was prepared from activated sludge of wastewater treatment plant using hydrothermal carbonization at 250 °C for 4 hours. The SEM image result was found as the attached one. The...

10 November 2017 7,236 1 View

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