Environmental Engineer at Envo Projects,Delhi,India.www.envoprojects.com I am collecting Articles i found interesting here so that i can read them at my leisure later on.This blog is for my own self improvement.TO AVOID COPYRIGHT VIOLATIONS, ALL POSTS ARE SHOWN ALONG WITH SOURCES FROM WHERE ITS TAKEN.PLEASE CONTACT ME IF YOU ARE THE AUTHOR AND YOUR NAME IS NOT DISPLAYED IN THE ARTICLE. +918076071358(WHATSAPP)
COPY RIGHTS : TO AVOID COPYRIGHT VIOLATIONS, ALL POSTS ARE SHOWN ALONG WITH SOURCES FROM WHERE ITS TAKEN. PLEASE CONTACT ME IN MY EMAIL SALEEMASRAF@GMAIL.COM , IF YOU ARE THE AUTHOR AND YOUR NAME IS NOT DISPLAYED IN THE ARTICLE.THE UNINTENTIONAL LAPSE ON MY PART WILL BE IMMEDIATELY CORRECTED.
I HAVE SHARED ALL MY PRACTICAL WATER TREATMENT EXPERIENCES WITH SOLVED EXAMPLE HERE SO THAT ANYBODY CAN USE IT.
SEARCH THIS BLOG BELOW FOR ENVO ,COMPACT STP,ETP,STP,FMR,MBBR,SAFF,IRON,ARSENIC,FLUORIDE,FILTER,RO,UASB,BIO GAS,AERATION TANK,SETTLING TANK,DOSING,AMC.
I had absolutely no money for the business. I
asked myself how will I get a domain registered? How will I buy hosting? How
will I form a company? How will I get an office?
I was amazed to recognize that he is the same person who was referred to my by few members on Quora to my question about the consultant / guide.
Finally, we started working on my startup. I
called him almost every other day and kept in touch through Facebook chat,
Whatsapp and Skype. He has helped me in designing the IT architecture,
marketing strategy, revenue model and even provided guidance for minor tasks
like what should be the logo, what should be the design of the flyer, how to
collect data, how to design UI among many other things.
I have just returned Rs. 1 Lakh to Shishir for
his loan, along with interest. Now, I am independent and I can call myself as a
successful entrepreneur. I am the founder and CEO of my startup.
How to make your own HOME COMPOSTER FOR FOOD WASTE FROM KITCHEN
Inputs:
Do
Compost: ∙ Vegetable Scraps ∙ Fruit rinds, cores, pits and peels ∙ Coffee
grounds and filters ∙ Tea bags and loose leaf tea ∙ Pasta, breads, cereals,
grains ∙ Paper napkins, towels ∙ Egg shells
Do Not Compost: ∙ Meat ∙ Fish and poultry ∙
Bones ∙ Oily foods ∙ Cheese ∙ Butter and dairy products ∙ Other animal products
Process:
Waste is collected and brought to the site where it is first
sorted out and shredded to a consistent size. cut everything down to 1.5"
size It is than put inside the composter.
One
of the easiest ways to compost non-meat food waste is using a garbage can sunk
in the ground. You can use an old or new can, but it should have a
tight-fitting lid. Galvanized metal cans work well and do not rust. Volume as per capacity. Drill or punch about 30 drain holes, 1/4 to 3/8
inches in diameter, in the can bottom and around the lower sides. If the lid is
not tight-fitting or if you do not have a lid, you can make a lid from a piece
of plywood and strap it on with bungee cords. Dig a hole in a well-drained corner of your yard and set the can into the hole, pushing
soil around the sides to firmly plant the can (see our drawing). You’re ready to
compost!
Composting
To compost, put vegetable-based food scraps in your can, alternately layering
with some dry leaves, sawdust, or shredded newspaper. The texture of the
finished compost will depend on the materials composted and how long they spend
in the can, and may range from a wet slurry to a dark, crumbly substance
similar to soil. Depending on your food habits, your composter will likely fill
in four to eight months
Harvesting
the Compost To harvest, shovel the top layer of un-composted food to one side
and shovel the dark, soil-like compost from the bottom. Finished compost should
be dry and sweet smelling; if it is wet and smelly, mix it with some soil
before using. In the meantime, make room for more food scraps in the can by
replacing the layer of un-composted food in the can or burying it in a trench
in the garden. Or, set up a second can. Use one until full and then switch to
the second, switching any un-composted food scraps between the two. Using
Finished Compost The most common uses of compost are as a soil enhancer for
planting.
How
to make or get accelerators or Bio cultures?
Bio cultures
are required with cooked foods it is necessary to accelerate the decomposition.
WE SUPPLY THIS BIO CULTURE
HOW IT WORKS:
Carbon/Nitrogen Ratio: = 30:1 This is the first law
one has to adhere to in order to ensure
rapid composting. Every ingredient you add into your
composter has it's own inherent C/N ratio, like
·Grass clipping
= 15:1
·Soft wood chips
= 226:1
·Vegetable Waste
= 11:1
·Poultry Manure
= 10:1
What you decide put into your composter the first day is the
weighted average of each of the individual items' C/N Ratio.
My ingredients, for example, are predominantly Grass Clippings
and Soft wood chips and I have computed my ratio to be 3 parts
grass clippings and 2 parts soft wood chips. You have to
perform the same calculation as I have, in order to arrive at
your final predominant ingredient ratio
.
Note: Remember to cut everything down to 1.5" size.
Water A 50% water content is necessary. This means the composter
may have to be watered from time to time if it appears dry and
the side vents will have to be left open if it appears wet. 50%
water content is as wet as a wrung out sponge. If you see
water settling on the bottom, it is too wet.
After the 3rd day of composting, when the waste (future
compost) has gone down to half it's original volume, the 55
Gallon drum is now only 1/2 full. This amount is below it's
critical mass and will loose heat at night when it the ambient is
cooler. This way you will loose 8 hours of valuable composting
time cutting into your 17 day harvest cycle. What I do is place a
20mil plastic sheet over the waste in order to insulate the
material and speed up the process.
Aeration Turn the barrel at least once every day. If you do that, the
entire process will take 2.5 weeks, or 17 days. If you turn every
other day and all other conditions are correct, the process will
take 25 days. Quite an amazing feat, considering a left alone
compost pile will take a whole year to mature.
Fine Tuning If you keep to the turning/tumbling schedule, one of 3 things
can go wrong and needs to be rectified mid-course.
·Add/subtract Water.
·Add Carbon rich
ingredient (High C/N Ratio).
·Add Nitrogen Rich
ingredient (Low C/N Ratio).
As long as the ingredients are moist, a pile not heating up over
120˚F indicates not enough nitrogen, while one that smells bad
indicates not enough carbon. Either condition can be
corrected by adding the required ingredient.
Note: Never add anything else, mid course, or your 17 day
timetable will be altered.
COMPOST
The end product is
this sweet smelling black gold that has to be sun
dried for a day or two (10% moisture content) and stored or
used immediately in your garden. One Ton of BMW will produce
approx. 500 KG of compost
Issue
Nothing is
happening. Barrel
doesn't seem to be
heating up at all.
Cause
- Not enough nitrogen
- Not enough oxygen
- Not enough moisture
- Compost is finished.
Resolution
- Make sure you have
enough nitrogen rich
sources like manure,
grass clippings or food
scraps.
- Rotate the Barrel
- A completely dry pile
doesn't compost
ENVO IS WORKING IN THIS FIELD SINCE 1994. An introduction to MBBR (moving
bed biofilm reactor )/ FM Reactor/ FAB /FMR Reactor sewage
treatment plant (STP)
THIS PLANT IS USED TO TREAT DIRTY WASTE WATER COMING OUT
FROM ANY PLACE BEFORE RELEASING IT TO DRAIN. GOVERNMENT DOES NOT ALLOW
UNTREATED DIRTY WASTE WATER TO BE RELEASED TO DRAIN DIRECTLY WITHOUT TREATMENT, IT IS
CALLED WATER POLLUTION.
WHERE THIS PLANT IS REQUIRED
1. Land
development-housing colony, hotels,Restaurants, resorts, office complexes,Multistory Buildings, Malls
CHARACTERISTICS OF DIRTY WASTE WATER COMING TO
STP: pH --8 TSS--300 ppm Oil & Grease --50 ppm BOD--250 ppm COD 650 ppm
CHARACTERISTIC OF TREATED WATER GOING OUT
OF STP TO DRAIN
pH --8
TSS--less than 100ppm Oil & Grease --less than 10 ppm BOD--less than 30 ppm COD less than 250 ppm
ENVO COMPACT MBBR STP is a complete unit,
pre-piped, pre-wired and ready to install. Engineered to serve with minimal
maintenance, and designed to meet the requirements of the state water quality
agency. Epoxy or other chemically resistant coatings, together with dependable
accessory equipment assure long life and low maintenance cost. And the
best part is the resale value. These total units can be re-located to serve
again.
Features of COMPACT STP
o Pre-engineered and prefabricated
structure
o Easily transported to the site
o Modular design allows easy
installation
o Simple operation-less manpower
required
o User friendly-low maintenance
o Long service life,
o Custom designed
o Efficient process, REDUCES BOD LOAD BY MORE THAN 80%
o World-class finishing
o Sludgecan be used as manure for horticulture purpose
o Branded electrical/mechanical
equipments used
o Good resale value
The Process of Treatment
Primary Treatment (DEWATS/Collection tank before COMPACT MBBR)
In primary treatment, floating and suspended solids are
settled and removed from sewage by bar screen. Following this, discharge from
the sewers enters a DEWATS/collection chamber .
Secondary Treatment (COMPACT MBBR )
This is the next level treatment where the bacteria in
sewage are used for further purification of the sewage. It’s a biological
process that removes about 85% or more of the organic matter in sewage compared
with primary treatment, where the purification level is about 50%. These
processes are variations of what is called the "Activated
Sludge" process, which provide a mechanism for bacteria, with air
added for oxygen, to come in contact with the wastewater to purify it.
In the activated sludge process, flow from the sewer goes
into the reactor, where compressed air is mixed with sludge in the presence of
synthetic media on which the purifying organisms grow and contact the
wastewater, removing contaminants in the process. The activated sludge allows
bacteria to feed on the "food" provided by the new wastewater in the
reactor, thus purifying it.
The flow, along with excess organisms that build up on
the media during the purification, then goes to a Tube Settler. Air flows up
through the media in the filters, to provide necessary oxygen for the bacteria
organisms. Clarified effluent flows to the receiving water, typically a river ,
after disinfection. Excess sludge is produced by the process and after
collection from the bottom of the tube settler it is dewatered, sometimes after
mixing with primary sludge, for use as fertilizer, disposed of in a landfill,
or incinerated.
Tertiary Treatment
Advanced level of water treatment is called tertiary
treatment of water - where heavy metals, toxic chemicals and other pollutants
are removed from wastewater to an altering degree. The tertiary treatment
methods include micro filtration, carbon adsorption, evaporation/distillation,
and chemical precipitation.
Civil Works:1.DEWATS(Collection tank),2..SDB,3.Treated
water tank 4.Foundation for compact
SPECIAL FEATURE OF OUR DESIGN:
We provide two-stage treatment. DEWATS is the first stage
treatment. Because of DEWATS, the blower capacity is reduced in the second
stage of MBBR treatment thereby reducing the maintenance cost during running of
the STP..
Environmental Entrepreneur,Green Biz.NRN Murthy of Infosys says that we Indians are weak in execution.We need to realize the need and practice of gud project management. Form a group of competent Managers,Give them responsibilities and review the project from day One.