Title: Figure 4-1 - Project Water Budget
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 Material Information
Title: Figure 4-1 - Project Water Budget
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Language: English
 Subjects
Spatial Coverage: North America -- United States of America -- Florida
 Notes
Abstract: Jake Varn Collection - Figure 4-1 - Project Water Budget (JDV Box 54)
General Note: Box 17, Folder 3 ( WaterTransbasin Transfers - 1970s ), Item 2
Funding: Digitized by the Legal Technology Institute in the Levin College of Law at the University of Florida.
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Bibliographic ID: WL00004101
Volume ID: VID00001
Source Institution: Levin College of Law, University of Florida
Holding Location: Levin College of Law, University of Florida
Rights Management: All rights reserved by the source institution and holding location.

Full Text
IIL


FIGURE 4-1


PROJECT WATER BUDGET


Average Daily Flows Mine & Chemical Plant Facilities


Supply Sources


Process Demands


GPM


Mine Net Rainfall(1) *- 2180


Mine Area Wells --4590


GPM GPM
-CRecirculation Water----90000
-Acid Rinse Water--- 3170 -Shipped Rock Entrainment----- 260
-Amine Flotation Water--- 3490-- Tailings Entrainment ----- 860
-Reagent Dilution 20 LColloidal Clay Entrainment--- 6330
-(Recirculation Water)---(90000)-


S90 (2) (3)
Recirculation Water-- 40000- 770(3
-Rock Grinding 530 -Process Evaporation 1460
--Acid Plants 2430 -- -Water in Gypsum, H2SO4, & DAP-.630
oi Chemical Plant Wells 3220 -DAP Plant & Shipping--- 210 -Non-Process Water- 780

Q -Lime Slaking, Etc.---- 140 -- Treated Pond Water-- 280
u R-(Recirculation Water --(40000)-
Chemical Plant Net Rainfall->610 Gypsum Stacks & Ponds--- 610
Domestic Wells 330 Domestic Water 330 Sanitary Drains 330
TOTALS 10930 10930 10930
SSurface Water 2790
Ground Water 8140
10930


(1) Net Rainfall = 7 inches (55 Annual Rainfall Less 48 Annual Evaporation)
(2) Rock Moisture from Mine Plant to Rock Grinding Mill
(3) Cooling Water from Chemical Plant to Mine Recirculating Water








-1----~~~.. --:- ....- ---?,. ~- .- ,~~---~-~l ,,. ....Ir--
_T _.- ... .. ... .. -~jI n .......... ._ -_..


End Uses




2-3-78
DZAFT


PHILLIPS PETROLEUM COMPANY
PROCESS WATER BALANCE
(Map 10)


2,o17
---* 2,*56 GPM














,17o7
t,17 GPM


DISPOSITION


--20,87



- 3,40

-T-->
I

I
I I



-33, 42








I
--25,9

-4--5



, <----


IMine

7

Washer

)0

Clay Removal



Flot. Feed Prep.

F4

Flotation


9

S.

>7


and & Clay Disposal


Recycle Water
88,177 GPM


'I

I
----31
I
r
I
""~I
I


---I-I


I
I
----~I



----~)


I
C----r


/o,72


115 GPM


5,1 q
---- 4,616 GPM


3o2
--- 306 GPM


q67
-- 1,046 GPM


--- 4,130 GPM
---- 4,4130 GPM


- Interstitial Water -
Pebble Product


--- Interstitial Water -
Clay


---- Interstitial Water -
Flot. Cone. Product


---- Interstitial Water -
Flot. Tailings


---- Seepage, Evaporation,
and Impoundment


1o, 7?4


bal: 10,243 GPM


Total: 19,243 GPM


Dased on 365 DPY, 24 HPD, 60 min. hr. ,


II '~ ~'~~I----~




2-3-18
De.A4


PHILLIPS PETROLEUM COMPANY
PROCESS WATER BALANCE
CONSUMPTIVE AND NONCONSUMPTIVE USE


CONSUMPTIVE


Interstitial Water -
Pebble Product

Interstitial Water -
Clay

Interstitial Water -
Flot. Cone. Product

Interstit:ial Water -
Flot. Tailings

Seepage, Evaporation,
Impoundment


75%


100loof 1


100o


3o0


4,646


306


0 +


501%


2,065


100


50/o


GPM


NON-
CONSUMPTIVE


25o


GPM


TOTAL

115 GPM


23 29


O 0 = 4,646 GPM


o 0 =


% 7 1,046

i'i? 2,065


-778 7,103


TOTALS:


% Allocation


69%
qk/


3,140

31/~*
279


50
306 GPM


= 1, 046 GPM

S 4, 130 GPM

S 10,243 GPM
= o100%


S Figure 2.
* 7 't[ ^h e0


loo~ldl" N


__


- qG




I/ 2j/ /;


SCUTH~EST F OTRIDTA 'ATERBa KAU NE.E2:T DIST-RICTT RESPONSES


Question 1: Based on the proposed w3::-er balance for rnning and
plant operations, how,- mui; water will be consi:uptively
used? Please submit a vat-.r balance (based on design
capability) for plant and: inning operations showing
sources and quantities of water input to the system;
sources destinations, and quantities of water recir-
culated in the system; and destination and quantities
of water discharged from the system.

The Phillips Petroleum Company phosphate rock ore body has unique
advantages that favor the efficient use of water for processing
operations. These advantages are:

1. The ore is a shallow ore body with an average overburden
plus matrix depth of 30 feet, based on current drilling
information. This means that 'The mining operations will
affect, only the shallow surface aquifer overlaying the
Hawthorne Formation.

2. The average clay content of the ore is 15~' which is
much lower than other areas in the Florida phosphate
field.

3. The ore is basically a flotation feed deposit and after
processing it yields an average of four weights of sand
tailings for each weight of clays.

4. Because of the mineralogical and chemical composition,
the clays have, on the average, better settling character-
istics than those clays derived from deposits to the
north.

Intensive development work conducted by Phillips Petroleum Company
has resulted in an efficient and sound use of water for the processing
operations. Figure 1. illustrates and lists the proposed water
balance for mining and plant operations, and Figure 2. illustrates
and lists the consumptive and nonconsumptive disposition of the
ground water requirement illustrated in Figure 1.

All GPM quantities are average flows based on 365 DPY, 24 HPD,
60 min. hr.

The following is a description of Figure 1.:

SOURCE

Matrix Moisture. The moisture is the inherent water in
the ore and is the average of all the core samples drilled
within the property boundaries. It amounts to 19 mois-
ture or 1,8o4 GPM.


II ___ ___~i




1/2o/78


7"--


SOURCE

Matrix Moisture -- 1,884 GPM ___


Water Rinse & Amine --- 8,256 GPM
Flet. Ground Water


DISPCSITITI:


I-----)
I
I

I
I
I
~----


Mine



Washer



Clay Removal


Flot. Feed Prep.


Flotation



Sand & Clay Disposal


Recycle Water
88,177 GPM


4----


-4)


91 GPM ---


--) 3,520 GPM. ----


Interstitial "-'ter -
Pebble Product


Interstitial Water -
Clay


- 305 GPM Interstitial Water -
Flot. Cone. Product


-- 964 GPM ---> Interstitial Water -
Flot. Tailings


-- 5,260 GPM


---> Seepage, Evaporation,
ahd Impoundmient


Total: 10,140 GPM


Total: 10,140 GPM


*Average flows are based on 365 DPY, 24 HPD, 60 min. hr.

Figure 1.


PHILLIPS PETROLEUM COMPANY
PROCESS WATER BALANCE




1/20/76


PHILLIPS PETROLEUM COMPANY
PROCESS WATER BALANCE
CONSUMPTIVE AND NONCONSUMPTIVE USE


CONSUMPTIVE


GPM


NON-
CONSUMPTIVE


Interstitial Water -
Pebble Product

Interstitial Water -
Clays
Interstitial Water -
Flot. Cone. Product

Interstitial Water -
Flot. Tailings

Seepage, Evaporation,
and Impoundment


75%


100%

100%0

0oo


50/o


TOTALS:
% Allocation


3,520 +

305 +

0 +


25%


100i


91 GPM


0 = 3,520 GPM


964


2,630

6,523
64


3,617
36%


S 305 GPM

S 96,. GPM


= 5,260 GPM

= 10,140 GPM
- o100o


Figure 2.


GPM


TOTAL


50%









-,ater Rinse and Amine Flotation Ground enter The amine
flotation is a process step which requires deep well
water with very low suspended solids and free of dis-
solved organic acids, for efficient operation. With
this objective in mind, the flotation feed to the amine
circuit is rinsed with ground water prior to flotation,
and the rinse water decanted and recirculated somewhere
else in the process. The thickened solids are then re-
pulped with ground water and subjected to amine Flotation.
The rinse step requires 2,682 GPIM and the flotation step
requires 5,574 GPM for a total of 8,256 GPM. The com-
bined amount of source ground water required is 10,140 GPM,
18.6;' of which is inherent with the phosphate rock ore
and 8l.14o is pumped from deep wells.
DISPOSITION

Interstitial VWater Pebble Product. The pebble pro-
duct is disposed in bins and allowed to dewater to
approximately 14fo moisture. This disposition of water
amounts to 91 GPM.

Interstitial Water Clayr. Water is required to wash
the clays off the flotation feed; however, the type of
clay associated with the phosphate rock has the peculiar-
ity of adsorbing water, In the Phillips ore body it is
expected that the clays will settle to an average of 20;
solids over a period of one year. The water disposition
to maintain 20% solids in the clays amounts to 3,520 GPM.

Interstitial W'ater Flot. Cone. Product. The flotation
concentrate product is allowed to dewater to 16/o moisture.
The amount of water retained by the concentrate amounts
to a disposition of 305 GPM.

Interstitial Water Flotation Tailings. The sands
produced in the flotation process are called flotation
tailings. These sands are used as a reclamation medium,
either by themselves or blended with the clays. In
either case, the water retained by the sands after
allowing them to set for one year amounts to a disposition
of 964 GPM.

Seepage, Evaporation, and Impoundment. The two major
sources of water leaving the plant are the water in
the flotation tailings and the water in the clays.
After impoundment, settling, and reclamation (either
separated or blended), the excess water associated with
these two products will be distributed as follows:

1. Be consumed by the product. (Tailings or
clays.)

2. Seep through the sandy impounding formation
and become part of the aquifer water.


-2-






-3-


3. Evaporate.

4. Become part of the water reclamation process
or be discharged from the property.

The low storage coefficient and medium to high trans-
missivity of the shallow aquifer is enhanced by canals
and ditches that criss-cross the property boundaries.
These factors taken into account result in 10% of the
water associated with the tailings and 12% of the
water associated with the clays to be distributed as
indicated under 1., 2., 3., and 4. above. On a yearly
average, the amount of water associated with this dis-
position amounts to 5,260 GPM.

In summary, the yearly average amount of water disposed of by the
plant amounts to 10,140 GPM.

Recycle Water. The major sources of recycle water in
the plant are:

1. Clean process water overflows. These flows
are used either immediately within the plant
in a counter current fashion, or are allowed
to clarify within the plant's battery limits
and used within a 24 hour period.

2. Water associated with the flotation tailings
sand. Some of this water is used immediately,
as indicated above. The rest is used to give
fluidity to the sand solids as they are pumped
to either settling areas and/or reclamation
areas. In either of these areas, the water
is allowed to phase out of the solids and
through a system of ditches and canals is
returned to the plant for reuse.

3. Water associated with the clays. This water
is sent to either clay impounding areas or
land reclamation areas. In either case, the
clear effluent water is returned to the plant
for reuse.

The clays are expected to settle to an average
compaction density of 20% solids after one year
of settling. The sands are expected to dry to
an average of 83.7% solids. By mixing the clays
with the sands at an average ratio of four parts
sand to each part of clay, it is expected that
the mixture will reach 55% solids after one year
of settling. Consequently, for the purpose of
recycling water, the same amount of water is
considered recoverable regardless of whether
or not the clays and tailings are impounded
separately or together at the average rate of


_~~I~






-4-


four parts of tailings to one part of clays.
The average amount of recycle water is 88,177 GPI
or roughly 90^ of the total plant and mine water
requirements.

The following is a description of Figure 2.:

Interstitial Water Pebble Product. Of the 91 GP~ of
water associated with the pebble, 23 GPM or 25% are
considered nonconsumptive and 68 GPM or 75% are considered
consumptive. The nonconsumptive portion is associated
with the poor quality pebble (mostly dolomite and/or
limestone) that will be disposed of with the flotation
tailings.

Interstitial Water Clays. The water associated with
the clays after reaching an average density of 20"O
solids is considered 100I consumptive. This amounts to
an average of 3,520 GPM of consumptive use and 0 GPM
nonconsumptive.

Interstitial Water Flot. Conc. Product. The water
associated with the flotation concentrate product after
reaching 84% solids is considered 100; consumptive. This
amounts to an average of 305 GPM of consumptive use and
0 GPM nonconsumptive.

Interstitial Water Flotation Tailings. The water
associated with the flotation tailings after reaching
an average of 83.7% solids is considered 100o non-
consumptive. The tailings sands are sent to impounding
areas where this water renters the regional water
supply and is available for reuse.

Seepage, Evaporation, and Impoundment. The water asso-
ciated with seepage, evaporation, and impoundment is
the water that is deposited with the tailings and clays
solids in impoundment areas. This water is distributed
among evaporation, seepage, and effluent discharge.
Each of these varies in amount according to the weather
and land conditions at different times of the year. The
average flow for this use is 6,576 GPM, 50 o of which is
considered consumptive and 501% nonconsumptive.

SUIR.IM RY

In summary, of the average 10,140 GPM of water required by
this operation, 6,523 GPM or 64% are considered consumptive
use and 3,617 GPM or 364 are considered nonconsumptive.
The consumptive use is 64% of the make up requirements and
represents 62.6% of the water crop on a yearly basis.
Also, 90% of the plant and mine water requirement is recycle
water, based on yearly average use. Nineteen percent of
the make up water required on a yearly average is inherent
with the phosphate rock matrix and 870 is pumped from the
deep Florida aquifer.




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