Hello Ken,
Appreciate your input.
(Just a quick summary in case anyone else is listening.)
While denatured ethanol may be used on the premises where it was produced,
it must be denatured for transport or use in vehicles off "premises".
It seems that BD would not render the spirits "unfit for beverage use", so
the question remains:
Can ethanol be denatured and still be used to make ethyl esters?
(I don't see methanol on the list below, but it is my understanding that
methanol is the denaturant in "denatured ethanol" available in hardware
stores.)
Which of the following will have the least/no effect on the process of
making ethyl esters?
A list of the approved denaturants from the section, "Authorized
Materials", ..... for making ethanol unfit for beverage use .... from the
(US) Code of Federal Regulations.)
Sec. 19.1005 Authorized materials. (a) General. The Director shall
determine and authorize for use materials for rendering spirits unfit for
beverage use which will not impair the quality of the spirits for fuel use.
Spirits treated under this section will be considered rendered unfit for
beverage use and eligible for withdrawal as fuel alcohol. (b) List. The
Director will compile and issue periodically a list of materials authorized for
rendering spirits unfit for beverage use. The list will specify for each
material (1) name and (2) quantity required to render spirits unfit for
beverage use. The list may be obtained at no cost upon request from the ATF
Distribution Center, 7943 Angus Court, Springfield, Virginia 22153. (c)
Authorized material. Until issuance of the initial list of materials authorized
for rendering spirits unfit for beverage use, proprietors are authorized to add
to each 100 gallons of spirits any of the following materials in the quantities
specified. (1) 2 gallons or more of-- (i) Gasoline or automotive
gasoline (for use in engines which require unleaded gasoline Environmental
Protection Agency and manufacturers specifications may require that unleaded
gasoline be used to render the spirits unfit for beverage use). (ii)
Kerosene, (iii) Deodorized kerosene, (iv) Rubber hydrocarbon solvent,
(v) Methyl isobutyl ketone, (vi) Mixed isomers of nitropropane, (vii)
Heptane, or, (viii) Any combination of (i) through (vii); or (2) \1/8\
ounce of denatonium benzoate N.F. and 2 gallons of isopropyl alcohol.(Sec. 232,
Pub. L. 96-223, 94 Stat. 278 (26 U.S.C. 5181))[T.D. ATF-198, 50 FR 8464, Mar.
1, 1985, as amended by T.D. ATF-249, 52 FR 5961, Feb. 27, 1987; T.D. ATF-442,
66 FR 12854, Mar. 1, 2001] Thanks, Tom
----- Original Message -----
From: Ken Provost
To: biofuel@sustainablelists.org
Sent: Sunday, November 26, 2006 12:45 PM
Subject: Re: [Biofuel] Ethyl Esters (was Making Methanol)
On Nov 26, 2006, at 7:47 AM, Thomas Kelly wrote:
The idea on denaturing the ethanol is to make it unsuitable for drinking.
Would ~ 2% BD make it unsuitable for drinking?
If not, couldn't it be denatured with methanol?
There are several levels of denaturing -- "fully denatured" needs to be
foul-tasting, not just poisonous. Biodiesel wouldn't qualify as either :-)
Ethanol denatured only with methanol is considered only partially
denatured, and is still subject to restrictions and reporting.
-K
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