Re: ORGLIST: ammonia

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From: Jacob Zabicky (Jacob.Zabicky$##$uab.es)
Date: Fri Jan 01 1904 - 03:13:56 EST

>Date: Fri, 1 Jan 1904 04:24:54 +0100
>To: Jeffry Soon <skhieng$##$pd.jaring.my>
>From: Jacob Zabicky <jzabicky$##$einstein.uab.es>
>Subject: Re: ORGLIST: ammonia
>Cc:
>Bcc:
>X-Attachments:
>
>Dear Jeffry,
>
>I don't know on which side of the chemical business you are and what are
>the local rules for handling chemicals. My personal view is that you
>should go expensive so you come out cheap: Contract the services of a
>chemical engineer to design a safe contraption. Your problem sounds
>simple, but once you scale up beyond the laboratory scale there are many
>details concerning transfer phenomena, materials, piping, safety and
>regulations that have to be taken into account. One little detail may
>illustrate the thing: You'll probably use as source liquid ammonia in
>cylinders. Letting out ammonia of a cylinder at the rate necessary for
>your desired output may cause fast cooling with considerable slowdown.
>Then you need some heating. How, how much and where to heat are technical
>questions to decide upon.
>
>
>Yours sincerely,
>
>Jacob
>
>> Dear all I was looking the simple process about 1000 L per day of
>>dilution ammonia gas into ammonium hydroxide (22-25)%. And the heat
>>produce during dilution. please advise Also, some latest recipe to
>>turn Ammonium nitrate Fertilizer into ANFO for blasting rock use. Since,
>>ammonium nitrate explosive grade is expensive compare to the fertilizer
>>grade. please advise. Anybody can show me whether there is some site
>>like this question-ask-answer for chemical engineer process. please
>>advise Jeffery Soon Kong Hieng South East Asia-MALAYSIA AJ CHEMICALS
>>SDN BHD. Quality assurance & Technical Manager. Bs. Che. Eng.
>
>
>

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Group de Fisica dels Materials II Fax.: +34 93 581 2155
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